diff --git a/.github/workflows/bench.yml b/.github/workflows/bench.yml
deleted file mode 100644
index 152d4a6..0000000
--- a/.github/workflows/bench.yml
+++ /dev/null
@@ -1,114 +0,0 @@
-# This script is provided by github.com/bool64/dev.
-name: bench
-on:
- pull_request:
- workflow_dispatch:
- inputs:
- old:
- description: 'Old Ref'
- required: false
- default: 'master'
- new:
- description: 'New Ref'
- required: true
-
-env:
- GO111MODULE: "on"
- CACHE_BENCHMARK: "off" # Enables benchmark result reuse between runs, may skew latency results.
- RUN_BASE_BENCHMARK: "on" # Runs benchmark for PR base in case benchmark result is missing.
- GO_VERSION: 1.17.x
-jobs:
- bench:
- runs-on: ubuntu-latest
- steps:
- - name: Install Go stable
- if: env.GO_VERSION != 'tip'
- uses: actions/setup-go@v2
- with:
- go-version: ${{ env.GO_VERSION }}
- - name: Install Go tip
- if: env.GO_VERSION == 'tip'
- run: |
- curl -sL https://storage.googleapis.com/go-build-snap/go/linux-amd64/$(git ls-remote https://github.com/golang/go.git HEAD | awk '{print $1;}').tar.gz -o gotip.tar.gz
- ls -lah gotip.tar.gz
- mkdir -p ~/sdk/gotip
- tar -C ~/sdk/gotip -xzf gotip.tar.gz
- ~/sdk/gotip/bin/go version
- echo "PATH=$HOME/go/bin:$HOME/sdk/gotip/bin/:$PATH" >> $GITHUB_ENV
- - name: Checkout code
- uses: actions/checkout@v2
- with:
- ref: ${{ (github.event.inputs.new != '') && github.event.inputs.new || github.event.ref }}
- - name: Go cache
- uses: actions/cache@v2
- with:
- # In order:
- # * Module download cache
- # * Build cache (Linux)
- path: |
- ~/go/pkg/mod
- ~/.cache/go-build
- key: ${{ runner.os }}-go-cache-${{ hashFiles('**/go.sum') }}
- restore-keys: |
- ${{ runner.os }}-go-cache
- - name: Restore benchstat
- uses: actions/cache@v2
- with:
- path: ~/go/bin/benchstat
- key: ${{ runner.os }}-benchstat
- - name: Restore base benchmark result
- if: env.CACHE_BENCHMARK == 'on'
- id: benchmark-base
- uses: actions/cache@v2
- with:
- path: |
- bench-master.txt
- bench-main.txt
- # Use base sha for PR or new commit hash for master/main push in benchmark result key.
- key: ${{ runner.os }}-bench-${{ (github.event.pull_request.base.sha != github.event.after) && github.event.pull_request.base.sha || github.event.after }}
- - name: Checkout base code
- if: env.RUN_BASE_BENCHMARK == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && (github.event.pull_request.base.sha != '' || github.event.inputs.old != '')
- uses: actions/checkout@v2
- with:
- ref: ${{ (github.event.pull_request.base.sha != '' ) && github.event.pull_request.base.sha || github.event.inputs.old }}
- path: __base
- - name: Run base benchmark
- if: env.RUN_BASE_BENCHMARK == 'on' && steps.benchmark-base.outputs.cache-hit != 'true' && (github.event.pull_request.base.sha != '' || github.event.inputs.old != '')
- run: |
- export REF_NAME=master
- cd __base
- make | grep bench-run && (BENCH_COUNT=5 make bench-run bench-stat && cp bench-master.txt ../bench-master.txt) || echo "No benchmarks in base"
- - name: Benchmark
- id: bench
- run: |
- export REF_NAME=new
- BENCH_COUNT=5 make bench
- OUTPUT=$(make bench-stat-diff)
- echo "${OUTPUT}"
- OUTPUT="${OUTPUT//$'\n'/%0A}"
- echo "::set-output name=diff::$OUTPUT"
- OUTPUT=$(make bench-stat)
- echo "${OUTPUT}"
- OUTPUT="${OUTPUT//$'\n'/%0A}"
- echo "::set-output name=result::$OUTPUT"
- - name: Comment Benchmark Result
- continue-on-error: true
- uses: marocchino/sticky-pull-request-comment@v2
- with:
- GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
- header: bench
- message: |
- ### Benchmark Result
- Benchmark diff with base branch
-
- ```
- ${{ steps.bench.outputs.diff }}
- ```
-
-
- Benchmark result
-
- ```
- ${{ steps.bench.outputs.result }}
- ```
-
diff --git a/.golangci.yml b/.golangci.yml
index 97710e1..6f4af1f 100644
--- a/.golangci.yml
+++ b/.golangci.yml
@@ -16,10 +16,14 @@ linters-settings:
check-exported: false
unparam:
check-exported: true
+ cyclop:
+ max-complexity: 15
linters:
enable-all: true
disable:
+ - gosec
+ - nilnil
- lll
- maligned
- gochecknoglobals
diff --git a/LICENSE b/LICENSE
index 3b9e882..8bc397f 100644
--- a/LICENSE
+++ b/LICENSE
@@ -1,6 +1,6 @@
MIT License
-Copyright (c) 2021 bool64
+Copyright (c) 2022 Viacheslav Poturaev
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
diff --git a/Makefile b/Makefile
index 4b37b06..32cb7be 100644
--- a/Makefile
+++ b/Makefile
@@ -30,7 +30,6 @@ endif
-include $(DEVGO_PATH)/makefiles/main.mk
-include $(DEVGO_PATH)/makefiles/lint.mk
-include $(DEVGO_PATH)/makefiles/test-unit.mk
--include $(DEVGO_PATH)/makefiles/bench.mk
-include $(DEVGO_PATH)/makefiles/reset-ci.mk
# Add your custom targets here.
diff --git a/README.md b/README.md
index 7ece3e4..db22474 100644
--- a/README.md
+++ b/README.md
@@ -1,17 +1,158 @@
-# go-template
+# Cucumber database steps for Go
-[![Build Status](https://github.com/bool64/go-template/workflows/test-unit/badge.svg)](https://github.com/bool64/go-template/actions?query=branch%3Amaster+workflow%3Atest-unit)
-[![Coverage Status](https://codecov.io/gh/bool64/go-template/branch/master/graph/badge.svg)](https://codecov.io/gh/bool64/go-template)
-[![GoDevDoc](https://img.shields.io/badge/dev-doc-00ADD8?logo=go)](https://pkg.go.dev/github.com/bool64/go-template)
-[![Time Tracker](https://wakatime.com/badge/github/bool64/go-template.svg)](https://wakatime.com/badge/github/bool64/go-template)
-![Code lines](https://sloc.xyz/github/bool64/go-template/?category=code)
-![Comments](https://sloc.xyz/github/bool64/go-template/?category=comments)
+[![Build Status](https://github.com/godogx/dbsteps/workflows/test/badge.svg)](https://github.com/godogx/dbsteps/actions?query=branch%3Amaster+workflow%3Atest)
+[![Coverage Status](https://codecov.io/gh/bool64/dbsteps/branch/master/graph/badge.svg)](https://codecov.io/gh/bool64/dbsteps)
+[![GoDevDoc](https://img.shields.io/badge/dev-doc-00ADD8?logo=go)](https://pkg.go.dev/github.com/godogx/dbsteps)
+[![Time Tracker](https://wakatime.com/badge/github/bool64/dbsteps.svg)](https://wakatime.com/badge/github/bool64/dbsteps)
+![Code lines](https://sloc.xyz/github/bool64/dbsteps/?category=code)
+![Comments](https://sloc.xyz/github/bool64/dbsteps/?category=comments)
-
+This module implements database-related step definitions
+for [`github.com/cucumber/godog`](https://github.com/cucumber/godog).
-Project template with GitHub actions for Go.
+## Database Configuration
-## Usage
+Databases instances should be configured with `Manager.Instances`.
-Create a new repository from this template, check out it and run `./run_me.sh` to replace template name with name of
-your repository.
+```go
+dbm := dbsteps.Manager{}
+
+dbm.Instances = map[string]dbsteps.Instance{
+ "my_db": {
+ Storage: storage,
+ Tables: map[string]interface{}{
+ "my_table": new(repository.MyRow),
+ "my_another_table": new(repository.MyAnotherRow),
+ },
+ },
+}
+```
+
+Row types should be structs with `db` field tags, for example:
+
+```go
+type MyRow struct {
+ ID int `db:"id"`
+ Name string `db:"name"`
+}
+```
+
+These structures are used to map data between database and `gherkin` tables.
+
+## Table Mapper Configuration
+
+Table mapper allows customizing decoding string values from godog table cells into Go row structures and back.
+
+```go
+tableMapper := dbsteps.NewTableMapper()
+
+// Apply JSON decoding to a particular type.
+tableMapper.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+ m := repository.Meta{}
+ err := json.Unmarshal([]byte(s), &m)
+ if err != nil {
+ return nil, err
+ }
+ return m, err
+}, repository.Meta{})
+
+// Apply string splitting to github.com/lib/pq.StringArray.
+tableMapper.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+ return pq.StringArray(strings.Split(s, ",")), nil
+}, pq.StringArray{})
+
+// Create database manager with custom mapper.
+dbm := dbsteps.Manager{
+ TableMapper: tableMapper,
+}
+```
+
+## Step Definitions
+
+Delete all rows from table.
+
+```gherkin
+Given there are no rows in table "my_table" of database "my_db"
+```
+
+Populate rows in a database.
+
+```gherkin
+And these rows are stored in table "my_table" of database "my_db"
+| id | foo | bar | created_at | deleted_at |
+| 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+| 2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+| 3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+```
+
+```gherkin
+And rows from this file are stored in table "my_table" of database "my_db"
+ """
+ path/to/rows.csv
+ """
+```
+
+Assert rows existence in a database.
+
+For each row in gherkin table database is queried to find a row with `WHERE` condition that includes provided column
+values.
+
+If a column has `NULL` value, it is excluded from `WHERE` condition.
+
+Column can contain variable (any unique string starting with `$` or other prefix configured with `Manager.VarPrefix`).
+If variable has not yet been populated, it is excluded from `WHERE` condition and populated with value received from
+database. When this variable is used in next steps, it replaces the value of column with value of variable.
+
+Variables can help to assert consistency of dynamic data, for example variable can be populated as ID of one entity and
+then checked as foreign key value of another entity. This can be especially helpful in cases of UUIDs.
+
+If column value represents JSON array or object it is excluded from `WHERE` condition, value assertion is done by
+comparing Go value mapped from database row field with Go value mapped from gherkin table cell.
+
+```gherkin
+Then these rows are available in table "my_table" of database "my_db"
+| id | foo | bar | created_at | deleted_at |
+| $id1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+| $id2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+| $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+```
+
+```gherkin
+Then rows from this file are available in table "my_table" of database "my_db"
+ """
+ path/to/rows.csv
+ """
+```
+
+It is possible to check table contents exhaustively by adding "only" to step statement. Such assertion will also make
+sure that total number of rows in database table matches number of rows in gherkin table.
+
+```gherkin
+Then only these rows are available in table "my_table" of database "my_db"
+| id | foo | bar | created_at | deleted_at |
+| $id1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+| $id2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+| $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+```
+
+```gherkin
+Then only rows from this file are available in table "my_table" of database "my_db"
+ """
+ path/to/rows.csv
+ """
+```
+
+Assert no rows exist in a database.
+
+```gherkin
+And no rows are available in table "my_another_table" of database "my_db"
+```
+
+The name of database instance `of database "my_db"` can be omitted in all steps, in such case `"default"` will be used from database instance name.
+
+## Concurrent Usage
+
+Please note, due to centralized nature of database instance, scenarios that work with same tables would conflict.
+In order to avoid conflicts, `dbsteps` locks access to a specific scenario until that scenario is finished.
+The lock is per table, so if scenarios are operating on different tables, they will not conflict.
+It is safe to use concurrent scenarios.
\ No newline at end of file
diff --git a/_testdata/Database.feature b/_testdata/Database.feature
new file mode 100644
index 0000000..f7af2e4
--- /dev/null
+++ b/_testdata/Database.feature
@@ -0,0 +1,27 @@
+Feature: Database Query
+
+ Scenario: Successful Query
+ Given there are no rows in table "my_table" of database "my_db"
+
+ And rows from this file are stored in table "my_table" of database "my_db"
+ """
+ _testdata/rows.csv
+ """
+
+ And these rows are stored in table "my_table" of database "my_db"
+ | id | foo | bar | created_at | deleted_at |
+ | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+
+ Then only these rows are available in table "my_table" of database "my_db"
+ | id | foo | bar | created_at | deleted_at |
+ | $id1 | $foo1 | abc | 2021-01-01T00:00:00Z | NULL |
+ | $id2 | $foo1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+
+ Then only these rows are available in table "my_table" of database "my_db"
+ | id | foo | bar | created_at | deleted_at |
+ | $id1 | $foo1 | abc | 2021-01-01T00:00:00Z | NULL |
+ | $id2 | $foo1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+
+ And no rows are available in table "my_another_table" of database "my_db"
diff --git a/_testdata/DatabaseConcurrent.feature b/_testdata/DatabaseConcurrent.feature
new file mode 100644
index 0000000..dfdc5c3
--- /dev/null
+++ b/_testdata/DatabaseConcurrent.feature
@@ -0,0 +1,19 @@
+Feature: No locking for different tables
+
+ Scenario: Table 1
+ Given I sleep
+ Given I should not be blocked for "db1::t1"
+ Given there are no rows in table "t1" of database "db1"
+ And I sleep
+
+ Scenario: Table 2
+ Given I sleep
+ Given I should not be blocked for "db2::t2"
+ Given there are no rows in table "t2" of database "db2"
+ And I sleep
+
+ Scenario: Table 3
+ Given I sleep
+ Given I should not be blocked for "db3::t3"
+ Given there are no rows in table "t3" of database "db3"
+ And I sleep
diff --git a/_testdata/DatabaseConcurrentBlocked.feature b/_testdata/DatabaseConcurrentBlocked.feature
new file mode 100644
index 0000000..029eb4d
--- /dev/null
+++ b/_testdata/DatabaseConcurrentBlocked.feature
@@ -0,0 +1,19 @@
+Feature: No locking for different tables
+
+ Scenario: Table 1
+ Given I sleep
+ Given I should not be blocked for "db1::t1"
+ Given there are no rows in table "t1" of database "db1"
+ And I sleep
+
+ Scenario: Table 1 again
+ Given I sleep
+ Given I should not be blocked for "db1::t1"
+ Given there are no rows in table "t1" of database "db1"
+ And I sleep
+
+ Scenario: Table 3
+ Given I sleep
+ Given I should not be blocked for "db3::t3"
+ Given there are no rows in table "t3" of database "db3"
+ And I sleep
diff --git a/_testdata/DatabaseDefault.feature b/_testdata/DatabaseDefault.feature
new file mode 100644
index 0000000..1dcec71
--- /dev/null
+++ b/_testdata/DatabaseDefault.feature
@@ -0,0 +1,27 @@
+Feature: Database Query
+
+ Scenario: Successful Query
+ Given there are no rows in table "my_table"
+
+ And rows from this file are stored in table "my_table"
+ """
+ _testdata/rows.csv
+ """
+
+ And these rows are stored in table "my_table"
+ | id | foo | bar | created_at | deleted_at |
+ | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+
+ Then only these rows are available in table "my_table"
+ | id | foo | bar | created_at | deleted_at |
+ | $id1 | $foo1 | abc | 2021-01-01T00:00:00Z | NULL |
+ | $id2 | $foo1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+
+ Then only these rows are available in table "my_table"
+ | id | foo | bar | created_at | deleted_at |
+ | $id1 | $foo1 | abc | 2021-01-01T00:00:00Z | NULL |
+ | $id2 | $foo1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+
+ And no rows are available in table "my_another_table"
diff --git a/_testdata/DatabaseFail.feature b/_testdata/DatabaseFail.feature
new file mode 100644
index 0000000..859cc49
--- /dev/null
+++ b/_testdata/DatabaseFail.feature
@@ -0,0 +1,6 @@
+Feature: Database Query
+
+ Scenario: Failing Query
+ Then only these rows are available in table "my_table" of database "my_db":
+ | id | foo | bar | created_at | deleted_at |
+ | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
diff --git a/_testdata/rows.csv b/_testdata/rows.csv
new file mode 100644
index 0000000..010bcca
--- /dev/null
+++ b/_testdata/rows.csv
@@ -0,0 +1,4 @@
+id,foo,bar,created_at,deleted_at
+1,foo-1,abc,2021-01-01T00:00:00Z,NULL
+2,foo-1,def,2021-01-02T00:00:00Z,2021-01-03T00:00:00Z
+3,foo-2,hij,2021-01-03T00:00:00Z,2021-01-03T00:00:00Z
diff --git a/dev_test.go b/dev_test.go
index 99a9b88..265a9c4 100644
--- a/dev_test.go
+++ b/dev_test.go
@@ -1,3 +1,3 @@
-package mypackage_test
+package dbsteps_test
import _ "github.com/bool64/dev" // Include CI/Dev scripts to project.
diff --git a/go.mod b/go.mod
index 2067a03..54edaca 100644
--- a/go.mod
+++ b/go.mod
@@ -1,5 +1,31 @@
-module github.com/bool64/go-template
+module github.com/godogx/dbsteps
go 1.17
-require github.com/bool64/dev v0.2.5
+require (
+ github.com/DATA-DOG/go-sqlmock v1.5.0
+ github.com/Masterminds/squirrel v1.5.2
+ github.com/bool64/dev v0.2.5
+ github.com/bool64/shared v0.1.4
+ github.com/bool64/sqluct v0.1.9
+ github.com/cucumber/godog v0.12.3
+ github.com/jmoiron/sqlx v1.3.4
+ github.com/stretchr/testify v1.7.0
+ github.com/swaggest/form/v5 v5.0.1
+)
+
+require (
+ github.com/bool64/ctxd v1.0.0 // indirect
+ github.com/cucumber/gherkin-go/v19 v19.0.3 // indirect
+ github.com/cucumber/messages-go/v16 v16.0.1 // indirect
+ github.com/davecgh/go-spew v1.1.1 // indirect
+ github.com/gofrs/uuid v4.2.0+incompatible // indirect
+ github.com/hashicorp/go-immutable-radix v1.3.1 // indirect
+ github.com/hashicorp/go-memdb v1.3.2 // indirect
+ github.com/hashicorp/golang-lru v0.5.4 // indirect
+ github.com/lann/builder v0.0.0-20180802200727-47ae307949d0 // indirect
+ github.com/lann/ps v0.0.0-20150810152359-62de8c46ede0 // indirect
+ github.com/pmezard/go-difflib v1.0.0 // indirect
+ github.com/spf13/pflag v1.0.5 // indirect
+ gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 // indirect
+)
diff --git a/go.sum b/go.sum
index ed7b77d..6752e28 100644
--- a/go.sum
+++ b/go.sum
@@ -1,8 +1,355 @@
+cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
+cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU=
+cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU=
+cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY=
+cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc=
+cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0=
+cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o=
+cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE=
+cloud.google.com/go/firestore v1.1.0/go.mod h1:ulACoGHTpvq5r8rxGJ4ddJZBZqakUQqClKRT5SZwBmk=
+cloud.google.com/go/pubsub v1.0.1/go.mod h1:R0Gpsv3s54REJCy4fxDixWD93lHJMoZTyQ2kNxGRt3I=
+cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
+dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
+github.com/BurntSushi/toml v0.3.1/go.mod h1:xHWCNGjB5oqiDr8zfno3MHue2Ht5sIBksp03qcyfWMU=
+github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym/WlBOVXweHU+Q+/VP0lqqI8lqeDx9IjBqo=
+github.com/DATA-DOG/go-sqlmock v1.5.0 h1:Shsta01QNfFxHCfpW6YH2STWB0MudeXXEWMr20OEh60=
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diff --git a/manager.go b/manager.go
new file mode 100644
index 0000000..b728523
--- /dev/null
+++ b/manager.go
@@ -0,0 +1,931 @@
+// Package dbsteps provides godog steps to handle database state.
+//
+// Database Configuration
+//
+// Databases instances should be configured with Manager.Instances.
+//
+// dbm := dbsteps.Manager{}
+//
+// dbm.Instances = map[string]dbsteps.Instance{
+// "my_db": {
+// Storage: storage,
+// Tables: map[string]interface{}{
+// "my_table": new(repository.MyRow),
+// "my_another_table": new(repository.MyAnotherRow),
+// },
+// },
+// }
+//
+// Table TableMapper Configuration
+//
+// Table mapper allows customizing decoding string values from godog table cells into Go row structures and back.
+//
+// tableMapper := dbsteps.NewTableMapper()
+//
+// // Apply JSON decoding to a particular type.
+// tableMapper.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+// m := repository.Meta{}
+// err := json.Unmarshal([]byte(s), &m)
+// if err != nil {
+// return nil, err
+// }
+// return m, err
+// }, repository.Meta{})
+//
+// // Apply string splitting to github.com/lib/pq.StringArray.
+// tableMapper.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+// return pq.StringArray(strings.Split(s, ",")), nil
+// }, pq.StringArray{})
+//
+// // Create database manager with custom mapper.
+// dbm := dbsteps.Manager{
+// TableMapper: tableMapper,
+// }
+//
+//
+// Step Definitions
+//
+// Delete all rows from table.
+//
+// Given there are no rows in table "my_table" of database "my_db"
+//
+// Populate rows in a database with a gherkin table.
+//
+// And these rows are stored in table "my_table" of database "my_db"
+// | id | foo | bar | created_at | deleted_at |
+// | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+// | 2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+// | 3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+//
+// Or with an CSV file
+//
+// And rows from this file are stored in table "my_table" of database "my_db"
+// """
+// path/to/rows.csv
+// """
+//
+// Assert rows existence in a database.
+//
+// For each row in gherkin table DB is queried to find a row with WHERE condition that includes
+// provided column values.
+//
+// If a column has NULL value, it is excluded from WHERE condition.
+//
+// Column can contain variable (any unique string starting with $ or other prefix configured with Manager.VarPrefix).
+// If variable has not yet been populated, it is excluded from WHERE condition and populated with value received
+// from database. When this variable is used in next steps, it replaces the value of column with value of variable.
+//
+// Variables can help to assert consistency of dynamic data, for example variable can be populated as ID of one entity
+// and then checked as foreign key value of another entity. This can be especially helpful in cases of UUIDs.
+//
+// If column value represents JSON array or object it is excluded from WHERE condition, value assertion is done
+// by comparing Go value mapped from database row field with Go value mapped from gherkin table cell.
+//
+// Then these rows are available in table "my_table" of database "my_db"
+// | id | foo | bar | created_at | deleted_at |
+// | $id1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+// | $id2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+// | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+//
+// Rows can be also loaded from CSV file.
+//
+// Then rows from this file are available in table "my_table" of database "my_db"
+// """
+// path/to/rows.csv
+// """
+//
+// It is possible to check table contents exhaustively by adding "only" to step statement. Such assertion will also
+// make sure that total number of rows in database table matches number of rows in gherkin table.
+//
+// Then only these rows are available in table "my_table" of database "my_db"
+// | id | foo | bar | created_at | deleted_at |
+// | $id1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+// | $id2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+// | $id3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+//
+// Rows can be also loaded from CSV file.
+//
+// Then only rows from this file are available in table "my_table" of database "my_db"
+// """
+// path/to/rows.csv
+// """
+//
+// Assert no rows exist in a database.
+//
+// And no rows are available in table "my_another_table" of database "my_db"
+package dbsteps
+
+import (
+ "context"
+ "encoding/csv"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "os"
+ "reflect"
+ "strings"
+ "time"
+
+ "github.com/Masterminds/squirrel"
+ "github.com/bool64/shared"
+ "github.com/bool64/sqluct"
+ "github.com/cucumber/godog"
+ "github.com/jmoiron/sqlx"
+ "github.com/stretchr/testify/assert"
+ "github.com/swaggest/form/v5"
+)
+
+// Default is the name of default database.
+const Default = "default"
+
+// RegisterSteps adds database manager context to test suite.
+func (m *Manager) RegisterSteps(s *godog.ScenarioContext) {
+ m.sync.register(s)
+ m.registerPrerequisites(s)
+ m.registerAssertions(s)
+}
+
+func (m *Manager) registerPrerequisites(s *godog.ScenarioContext) {
+ s.Step(`no rows in table "([^"]*)" of database "([^"]*)"$`,
+ m.noRowsInTableOfDatabase)
+
+ s.Step(`no rows in table "([^"]*)"$`,
+ func(ctx context.Context, tableName string) (context.Context, error) {
+ return m.noRowsInTableOfDatabase(ctx, tableName, Default)
+ })
+
+ s.Step(`these rows are stored in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName, database string, data *godog.Table) (context.Context, error) {
+ return m.theseRowsAreStoredInTableOfDatabase(ctx, tableName, database, Rows(data))
+ })
+
+ s.Step(`rows from this file are stored in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName, database string, filePath string) (context.Context, error) {
+ return m.rowsFromThisFileAreStoredInTableOfDatabase(ctx, tableName, database, filePath)
+ })
+
+ s.Step(`these rows are stored in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, data *godog.Table) (context.Context, error) {
+ return m.theseRowsAreStoredInTableOfDatabase(ctx, tableName, Default, Rows(data))
+ })
+
+ s.Step(`rows from this file are stored in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, filePath string) (context.Context, error) {
+ return m.rowsFromThisFileAreStoredInTableOfDatabase(ctx, tableName, Default, filePath)
+ })
+}
+
+func (m *Manager) registerAssertions(s *godog.ScenarioContext) {
+ s.Step(`only rows from this file are available in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName, database string, filePath string) (context.Context, error) {
+ return m.onlyRowsFromThisFileAreAvailableInTableOfDatabase(ctx, tableName, database, filePath)
+ })
+
+ s.Step(`only these rows are available in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName, database string, data *godog.Table) (context.Context, error) {
+ return m.onlyTheseRowsAreAvailableInTableOfDatabase(ctx, tableName, database, Rows(data))
+ })
+
+ s.Step(`only rows from this file are available in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, filePath string) (context.Context, error) {
+ return m.onlyRowsFromThisFileAreAvailableInTableOfDatabase(ctx, tableName, Default, filePath)
+ })
+
+ s.Step(`only these rows are available in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, data *godog.Table) (context.Context, error) {
+ return m.onlyTheseRowsAreAvailableInTableOfDatabase(ctx, tableName, Default, Rows(data))
+ })
+
+ s.Step(`no rows are available in table "([^"]*)" of database "([^"]*)"$`,
+ m.noRowsAreAvailableInTableOfDatabase)
+
+ s.Step(`no rows are available in table "([^"]*)"$`,
+ func(ctx context.Context, tableName string) (context.Context, error) {
+ return m.noRowsAreAvailableInTableOfDatabase(ctx, tableName, Default)
+ })
+
+ s.Step(`rows from this file are available in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ m.rowsFromThisFileAreAvailableInTableOfDatabase)
+
+ s.Step(`these rows are available in table "([^"]*)" of database "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName, database string, data *godog.Table) (context.Context, error) {
+ return m.theseRowsAreAvailableInTableOfDatabase(ctx, tableName, database, Rows(data))
+ })
+
+ s.Step(`rows from this file are available in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, filePath string) (context.Context, error) {
+ return m.rowsFromThisFileAreAvailableInTableOfDatabase(ctx, tableName, Default, filePath)
+ })
+
+ s.Step(`these rows are available in table "([^"]*)"[:]?$`,
+ func(ctx context.Context, tableName string, data *godog.Table) (context.Context, error) {
+ return m.theseRowsAreAvailableInTableOfDatabase(ctx, tableName, Default, Rows(data))
+ })
+}
+
+// NewManager initializes instance of database Manager.
+func NewManager() *Manager {
+ return &Manager{
+ TableMapper: NewTableMapper(),
+ Instances: make(map[string]Instance),
+ sync: newSynchronized(nil),
+ Vars: &shared.Vars{},
+ }
+}
+
+// Manager owns database connections.
+type Manager struct {
+ sync *synchronized
+
+ TableMapper *TableMapper
+ Instances map[string]Instance
+
+ // Vars allow sharing vars with other steps.
+ Vars *shared.Vars
+}
+
+// Instance provides database instance.
+type Instance struct {
+ Storage *sqluct.Storage
+ // Tables is a map of row structures per table name.
+ // Example: `"my_table": new(MyEntityRow)`
+ Tables map[string]interface{}
+ // PostNoRowsStatements is a map of SQL statement list per table name.
+ // They are executed after `no rows in table` step.
+ // Example: `"my_table": []string{"ALTER SEQUENCE my_table_id_seq RESTART"}`.
+ PostCleanup map[string][]string
+
+ vars *shared.Vars
+}
+
+// RegisterJSONTypes registers types of provided values to unmarshal as JSON when decoding from string.
+//
+// Arguments should match types of fields in row entities.
+// If field is a pointer, argument should be a pointer: e.g. new(MyType).
+// If field is not a pointer, argument should not be a pointer: e.g. MyType{}.
+func (m *Manager) RegisterJSONTypes(values ...interface{}) {
+ for _, t := range values {
+ rt := reflect.TypeOf(t)
+ m.TableMapper.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+ v := reflect.New(rt)
+ err := json.Unmarshal([]byte(s), v.Interface())
+
+ return reflect.Indirect(v).Interface(), err
+ }, t)
+ }
+}
+
+func (m *Manager) instance(ctx context.Context, tableName, dbName string) (Instance, interface{}, context.Context, error) {
+ if dbName == "" {
+ dbName = Default
+ }
+
+ instance, found := m.Instances[dbName]
+ if !found {
+ return Instance{}, nil, ctx, fmt.Errorf("%w %s", errUnknownDatabase, dbName)
+ }
+
+ row, found := instance.Tables[tableName]
+ if !found {
+ return Instance{}, nil, ctx, fmt.Errorf("%w %s in database %s", errUnknownTable, tableName, dbName)
+ }
+
+ // Locking per table.
+ _, err := m.sync.acquireLock(ctx, dbName+"::"+tableName)
+ if err != nil {
+ return Instance{}, nil, ctx, err
+ }
+
+ if m.Vars != nil {
+ ctx, instance.vars = m.Vars.Fork(ctx)
+ }
+
+ return instance, row, ctx, nil
+}
+
+func (m *Manager) noRowsInTableOfDatabase(ctx context.Context, tableName, dbName string) (context.Context, error) {
+ instance, _, ctx, err := m.instance(ctx, tableName, dbName)
+ if err != nil {
+ return ctx, err
+ }
+
+ // Deleting from table
+ _, err = instance.Storage.Exec(
+ ctx,
+ instance.Storage.DeleteStmt(tableName),
+ )
+ if err != nil {
+ return ctx, fmt.Errorf("failed to delete from table %s in db %s: %w", tableName, dbName, err)
+ }
+
+ if instance.PostCleanup != nil {
+ for _, statement := range instance.PostCleanup[tableName] {
+ _, err := instance.Storage.Exec(
+ ctx,
+ sqluct.StringStatement(statement),
+ )
+ if err != nil {
+ return ctx, fmt.Errorf("failed to execute post cleanup statement %q for table %s in db %s: %w",
+ statement, tableName, dbName, err)
+ }
+ }
+ }
+
+ return ctx, err
+}
+
+var errMissingFileName = errors.New("missing file name")
+
+func loadTableFromFile(filePath string) (rows [][]string, err error) {
+ if filePath == "" {
+ return nil, errMissingFileName
+ }
+
+ f, err := os.Open(filePath) // nolint:gosec // Intended file inclusion.
+ if err != nil {
+ return nil, err
+ }
+
+ defer func() { // nolint:gosec // False positive: G307: Deferring unsafe method "Close" on type "*os.File" (gosec)
+ clErr := f.Close()
+ if clErr != nil && err == nil {
+ err = clErr
+ }
+ }()
+
+ c := csv.NewReader(f)
+
+ rows, err = c.ReadAll()
+ if err != nil {
+ return nil, fmt.Errorf("failed to read CSV: %w", err)
+ }
+
+ return rows, nil
+}
+
+// Rows converts godog table to a nested slice of strings.
+func Rows(data *godog.Table) [][]string {
+ d := make([][]string, 0, len(data.Rows))
+
+ for _, r := range data.Rows {
+ row := make([]string, 0, len(r.Cells))
+
+ for _, c := range r.Cells {
+ row = append(row, c.Value)
+ }
+
+ d = append(d, row)
+ }
+
+ return d
+}
+
+func (m *Manager) rowsFromThisFileAreStoredInTableOfDatabase(ctx context.Context, tableName, dbName string, filePath string) (context.Context, error) {
+ data, err := loadTableFromFile(filePath)
+ if err != nil {
+ return ctx, fmt.Errorf("failed to load rows from file: %w", err)
+ }
+
+ return m.theseRowsAreStoredInTableOfDatabase(ctx, tableName, dbName, data)
+}
+
+func (m *Manager) theseRowsAreStoredInTableOfDatabase(ctx context.Context, tableName, dbName string, data [][]string) (context.Context, error) {
+ instance, row, ctx, err := m.instance(ctx, tableName, dbName)
+ if err != nil {
+ return ctx, err
+ }
+
+ // Reading rows.
+ rows, err := m.TableMapper.SliceFromTable(data, row)
+ if err != nil {
+ return ctx, fmt.Errorf("failed to map rows table: %w", err)
+ }
+
+ colNames := data[0]
+
+ storage := instance.Storage
+ stmt := storage.InsertStmt(tableName, rows, sqluct.Columns(colNames...))
+
+ // Inserting rows.
+ _, err = storage.Exec(ctx, stmt)
+
+ if err != nil {
+ query, args, toSQLErr := stmt.ToSql()
+ if toSQLErr != nil {
+ return ctx, toSQLErr
+ }
+
+ return ctx, fmt.Errorf("failed to insert rows %q, %v: %w", query, args, err)
+ }
+
+ return ctx, err
+}
+
+func (m *Manager) onlyRowsFromThisFileAreAvailableInTableOfDatabase(ctx context.Context, tableName, dbName string, filePath string) (context.Context, error) {
+ data, err := loadTableFromFile(filePath)
+ if err != nil {
+ return ctx, fmt.Errorf("failed to load rows from file: %w", err)
+ }
+
+ return m.assertRows(ctx, tableName, dbName, data, true)
+}
+
+func (m *Manager) onlyTheseRowsAreAvailableInTableOfDatabase(ctx context.Context, tableName, dbName string, data [][]string) (context.Context, error) {
+ return m.assertRows(ctx, tableName, dbName, data, true)
+}
+
+func (m *Manager) noRowsAreAvailableInTableOfDatabase(ctx context.Context, tableName, dbName string) (context.Context, error) {
+ return m.assertRows(ctx, tableName, dbName, nil, true)
+}
+
+func (m *Manager) rowsFromThisFileAreAvailableInTableOfDatabase(ctx context.Context, tableName, dbName string, filePath string) (context.Context, error) {
+ data, err := loadTableFromFile(filePath)
+ if err != nil {
+ return ctx, fmt.Errorf("failed to load rows from file: %w", err)
+ }
+
+ return m.assertRows(ctx, tableName, dbName, data, false)
+}
+
+func (m *Manager) theseRowsAreAvailableInTableOfDatabase(ctx context.Context, tableName, dbName string, data [][]string) (context.Context, error) {
+ return m.assertRows(ctx, tableName, dbName, data, false)
+}
+
+type testingT struct {
+ Err error
+}
+
+func (t *testingT) Errorf(format string, args ...interface{}) {
+ t.Err = fmt.Errorf(format, args...) // nolint:goerr113
+}
+
+type tableQuery struct {
+ storage *sqluct.Storage
+ mapper *TableMapper
+ table string
+ data [][]string
+ row interface{}
+ colNames []string
+ skipWhereCols []string
+ postCheck []string
+ vars *shared.Vars
+}
+
+func (t *tableQuery) exposeContents(err error) error {
+ qb := t.storage.SelectStmt(t.table, t.row).Limit(50)
+
+ var colNames []string
+
+ if t.data != nil {
+ colNames = t.data[0]
+ }
+
+ table, queryErr := t.queryExistingRows(t.storage, colNames, qb)
+ if queryErr != nil {
+ err = fmt.Errorf("%w, failed to query existing rows: %v", err, queryErr)
+ } else {
+ err = fmt.Errorf("%w, rows available:\n%v", err, table)
+ }
+
+ return err
+}
+
+func (t *tableQuery) checkCount(ctx context.Context) error {
+ dataCnt := 0
+
+ if t.data != nil {
+ dataCnt = len(t.data) - 1
+ }
+
+ qb := t.storage.QueryBuilder().
+ Select("COUNT(1) AS c").
+ From(t.table)
+
+ cnt := struct {
+ Count int `db:"c"`
+ }{}
+
+ err := t.storage.Select(ctx, qb, &cnt)
+ if err != nil {
+ return err
+ }
+
+ if cnt.Count != dataCnt {
+ return fmt.Errorf("%w: %d expected, %d found",
+ errInvalidNumberOfRows, dataCnt, cnt.Count)
+ }
+
+ return nil
+}
+
+func (m *Manager) makeTableQuery(ctx context.Context, tableName, dbName string, data [][]string) (*tableQuery, context.Context, error) {
+ instance, row, ctx, err := m.instance(ctx, tableName, dbName)
+ if err != nil {
+ return nil, ctx, err
+ }
+
+ t := tableQuery{
+ storage: instance.Storage,
+ mapper: m.TableMapper,
+ table: tableName,
+ data: data,
+ row: row,
+ vars: instance.vars,
+ }
+
+ if t.data != nil {
+ t.colNames = data[0]
+ t.skipWhereCols = make([]string, 0, len(t.colNames))
+ t.postCheck = make([]string, 0, len(t.colNames))
+ }
+
+ return &t, ctx, nil
+}
+
+func (t *tableQuery) receiveRow(index int, row interface{}, _ []string, rawValues []string) error {
+ qb := t.storage.QueryBuilder().
+ Select(t.colNames...).
+ From(t.table)
+
+ eq := t.storage.WhereEq(row, sqluct.Columns(t.colNames...))
+
+ for _, sk := range t.skipWhereCols {
+ delete(eq, sk)
+ }
+
+ t.skipWhereCols = t.skipWhereCols[:0]
+
+ for _, col := range t.colNames {
+ if _, ok := eq[col]; !ok {
+ continue
+ }
+
+ qb = qb.Where(squirrel.Eq{col: eq[col]})
+ }
+
+ dest := reflect.New(reflect.TypeOf(row).Elem()).Interface()
+
+ err := t.storage.Select(context.Background(), qb, dest)
+ if err != nil {
+ query, args, qbErr := qb.ToSql()
+ if qbErr != nil {
+ return fmt.Errorf("failed to build query: %w", qbErr)
+ }
+
+ return fmt.Errorf("failed to query row %d (%+v) with %q %v: %w", index, row, query, args, err)
+ }
+
+ colOption := sqluct.Columns(t.colNames...)
+
+ pc := t.postCheck
+ t.postCheck = t.postCheck[:0]
+
+ return t.doPostCheck(t.colNames, pc,
+ combine(t.storage.Mapper.ColumnsValues(reflect.ValueOf(row), colOption)),
+ combine(t.storage.Mapper.ColumnsValues(reflect.ValueOf(dest), colOption)),
+ rawValues)
+}
+
+func combine(keys []string, vals []interface{}) map[string]interface{} {
+ m := make(map[string]interface{}, len(keys))
+ for i, k := range keys {
+ m[k] = vals[i]
+ }
+
+ return m
+}
+
+func (t *tableQuery) skipDecode(column, value string) bool {
+ // Databases do not provide JSON equality conditions in general,
+ // so if value looks like a non-scalar JSON it is removed from WHERE condition and checked for equality
+ // using Go values during post processing.
+ if len(value) > 0 && (value[0] == '{' || value[0] == '[') && json.Valid([]byte(value)) {
+ t.postCheck = append(t.postCheck, column)
+ t.skipWhereCols = append(t.skipWhereCols, column)
+
+ return false
+ }
+
+ // If value looks like a variable name and does not have an associated value yet,
+ // it is removed from decoding and WHERE condition.
+ if t.vars != nil && t.vars.IsVar(value) {
+ if _, found := t.vars.Get(value); found {
+ return false
+ }
+
+ t.skipWhereCols = append(t.skipWhereCols, column)
+
+ return true
+ }
+
+ return false
+}
+
+func (t *tableQuery) makeReplaces(onSetErr *error) (map[string]string, error) {
+ replaces := make(map[string]string)
+
+ if t.vars == nil {
+ return nil, nil
+ }
+
+ if vars := t.vars.GetAll(); len(vars) > 0 {
+ replaces = make(map[string]string, len(vars))
+
+ for k, v := range vars {
+ s, err := t.mapper.Encode(v)
+ if err != nil {
+ return nil, err
+ }
+
+ replaces[k] = s
+ }
+ }
+
+ t.vars.OnSet(func(key string, val interface{}) {
+ s, err := t.mapper.Encode(val)
+ if err != nil {
+ *onSetErr = err
+ }
+
+ replaces[key] = s
+ })
+
+ return replaces, nil
+}
+
+func (m *Manager) assertRows(ctx context.Context, tableName, dbName string, data [][]string, exhaustiveList bool) (_ context.Context, err error) {
+ t, ctx, err := m.makeTableQuery(ctx, tableName, dbName, data)
+ if err != nil {
+ return ctx, err
+ }
+
+ defer func() {
+ // Expose table contents to simplify test debugging.
+ if err != nil {
+ err = t.exposeContents(err)
+ }
+ }()
+
+ if exhaustiveList {
+ err = t.checkCount(ctx)
+ if err != nil {
+ return ctx, err
+ }
+ }
+
+ if data == nil {
+ return ctx, nil
+ }
+
+ var onSetErr error
+
+ replaces, err := t.makeReplaces(&onSetErr)
+ if err != nil {
+ return ctx, err
+ }
+
+ // Iterating rows.
+ err = m.TableMapper.IterateTable(IterateConfig{
+ Data: data,
+ Item: t.row,
+ SkipDecode: t.skipDecode,
+ Replaces: replaces,
+ ReceiveRow: t.receiveRow,
+ })
+
+ if err == nil && onSetErr != nil {
+ err = onSetErr
+ }
+
+ return ctx, err
+}
+
+func (t *tableQuery) doPostCheck(colNames []string, postCheck []string, argsExp, argsRcv map[string]interface{}, rawValues []string) error {
+ for i, name := range colNames {
+ if t.vars.IsVar(rawValues[i]) {
+ t.vars.Set(rawValues[i], argsRcv[name])
+ }
+
+ pc := false
+
+ for _, col := range postCheck {
+ if col == name {
+ pc = true
+
+ break
+ }
+ }
+
+ if !pc {
+ continue
+ }
+
+ te := testingT{}
+
+ assert.Equal(&te, indirect(argsExp[name]), indirect(argsRcv[name]))
+
+ if te.Err != nil {
+ return fmt.Errorf("unexpected row contents at column %s (%#v, %#v): %w",
+ name, indirect(argsExp[name]), indirect(argsRcv[name]), te.Err)
+ }
+ }
+
+ return nil
+}
+
+func indirect(v interface{}) interface{} {
+ rv := reflect.ValueOf(v)
+ for rv.Kind() == reflect.Ptr {
+ rv = rv.Elem()
+ }
+
+ return rv.Interface()
+}
+
+// ParseTime tries to parse time in multiple formats.
+func ParseTime(s string, formats ...string) (time.Time, error) {
+ if len(formats) == 0 {
+ formats = []string{
+ time.RFC3339Nano,
+ "2006-01-02T15:04:05.999999999",
+ "2006-01-02 15:04:05",
+ "2006-01-02",
+ time.RFC3339,
+ }
+ }
+
+ var (
+ t time.Time
+ err error
+ )
+
+ for _, f := range formats {
+ if t, err = time.Parse(f, s); err == nil {
+ return t, nil
+ }
+ }
+
+ return t, err
+}
+
+// NewTableMapper creates tablestruct.TableMapper with db field decoder.
+func NewTableMapper() *TableMapper {
+ tm := &TableMapper{
+ Decoder: form.NewDecoder(),
+ Encoder: form.NewEncoder(),
+ }
+ tm.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+ return ParseTime(s)
+ }, time.Time{})
+ tm.Decoder.RegisterFunc(func(s string) (interface{}, error) {
+ t, err := ParseTime(s)
+ if err != nil {
+ return nil, err
+ }
+
+ return &t, nil
+ }, new(time.Time))
+
+ tm.Decoder.SetMode(form.ModeExplicit)
+ tm.Decoder.SetTagName("db")
+ form.RegisterSQLNullTypesDecodeFunc(tm.Decoder)
+
+ tm.Encoder.SetMode(form.ModeExplicit)
+ tm.Encoder.SetTagName("db")
+ form.RegisterSQLNullTypesEncodeFunc(tm.Encoder, null)
+
+ return tm
+}
+
+var (
+ errWrongType = errors.New("failed to assert type *interface{}")
+ errInvalidNumberOfRows = errors.New("invalid number of rows in table")
+ errUnknownTable = errors.New("unknown table")
+ errUnknownDatabase = errors.New("unknown database")
+)
+
+func (t *tableQuery) queryExistingRows(db *sqluct.Storage, colNames []string, qb squirrel.Sqlizer) (table string, err error) {
+ rows, err := db.Query(context.Background(), qb)
+ if err != nil {
+ return "", err
+ }
+
+ defer func() {
+ if closeErr := rows.Close(); closeErr != nil && err == nil {
+ err = closeErr
+ }
+ }()
+
+ cols, err := rows.Columns()
+ if err != nil {
+ return "", err
+ }
+
+ if len(colNames) == 0 {
+ colNames = cols
+ }
+
+ var (
+ width = map[string]int{}
+ res = make(map[string][]string)
+ )
+
+ for _, col := range colNames {
+ width[col] = len(col)
+ }
+
+ cnt := 0
+
+ for rows.Next() {
+ cnt++
+
+ err = t.formatRow(rows, cols, width, res)
+ if err != nil {
+ return "", err
+ }
+ }
+
+ result := t.renderRows(colNames, res, width, cnt)
+
+ return result, rows.Err()
+}
+
+func (t *tableQuery) renderRows(colNames []string, res map[string][]string, width map[string]int, cnt int) string {
+ result := "|"
+
+ for _, col := range colNames {
+ if _, ok := res[col]; !ok {
+ continue
+ }
+
+ result += " " + col + strings.Repeat(" ", width[col]-len(col)) + " |"
+ }
+
+ result += "\n"
+
+ for i := 0; i < cnt; i++ {
+ result += "|"
+
+ for _, col := range colNames {
+ vv, ok := res[col]
+ if !ok {
+ continue
+ }
+
+ v := vv[i]
+ result += " " + v + strings.Repeat(" ", width[col]-len(v)) + " |"
+ }
+
+ result += "\n"
+ }
+
+ return result
+}
+
+func (t *tableQuery) formatRow(rows *sqlx.Rows, cols []string, width map[string]int, res map[string][]string) error {
+ // Create a slice of interface{} to represent each column,
+ // and a second slice to contain pointers to each item in the columns slice.
+ columns := make([]interface{}, len(cols))
+ columnPointers := make([]interface{}, len(cols))
+
+ for i := range columns {
+ columnPointers[i] = &columns[i]
+ }
+
+ // Scan the result into the column pointers.
+ if err := rows.Scan(columnPointers...); err != nil {
+ return err
+ }
+
+ // Create map and retrieve the value for each column from the pointers slice,
+ // storing it in the map with the name of the column as the key.
+ for i, col := range cols {
+ val, ok := columnPointers[i].(*interface{})
+ if !ok {
+ return fmt.Errorf("%w of %T", errWrongType, columnPointers[i])
+ }
+
+ var v string
+
+ if *val == nil {
+ v = null
+ } else if b, ok := (*val).([]byte); ok {
+ v = string(b)
+ } else {
+ s, err := t.mapper.Encode(*val)
+ if err != nil {
+ return err
+ }
+
+ v = s
+ }
+
+ if len(v) > width[col] {
+ width[col] = len(v)
+ }
+
+ res[col] = append(res[col], v)
+ }
+
+ return nil
+}
diff --git a/manager_concurrency_test.go b/manager_concurrency_test.go
new file mode 100644
index 0000000..90037a5
--- /dev/null
+++ b/manager_concurrency_test.go
@@ -0,0 +1,149 @@
+package dbsteps // nolint:testpackage
+
+import (
+ "bytes"
+ "context"
+ "database/sql/driver"
+ "fmt"
+ "math/rand"
+ "testing"
+ "time"
+
+ "github.com/DATA-DOG/go-sqlmock"
+ "github.com/bool64/sqluct"
+ "github.com/cucumber/godog"
+ "github.com/jmoiron/sqlx"
+ "github.com/stretchr/testify/assert"
+)
+
+func (s *synchronized) isLocked(ctx context.Context, service string) bool {
+ s.mu.Lock()
+ defer s.mu.Unlock()
+
+ lock := s.locks[service]
+
+ return lock != nil && lock != ctx.Value(s.ctxKey).(chan struct{})
+}
+
+func TestNewManager_concurrent(t *testing.T) {
+ dbm := NewManager()
+
+ db1, mock1, err := sqlmock.New()
+ assert.NoError(t, err)
+ db2, mock2, err := sqlmock.New()
+ assert.NoError(t, err)
+ db3, mock3, err := sqlmock.New()
+ assert.NoError(t, err)
+
+ mock1.ExpectExec(`DELETE FROM t1`).
+ WillReturnResult(driver.ResultNoRows)
+ mock2.ExpectExec(`DELETE FROM t2`).
+ WillReturnResult(driver.ResultNoRows)
+ mock3.ExpectExec(`DELETE FROM t3`).
+ WillReturnResult(driver.ResultNoRows)
+
+ dbm.Instances = map[string]Instance{
+ "db1": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db1, "sqlmock")),
+ Tables: map[string]interface{}{"t1": nil},
+ },
+ "db2": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db2, "sqlmock")),
+ Tables: map[string]interface{}{"t2": nil},
+ },
+ "db3": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db3, "sqlmock")),
+ Tables: map[string]interface{}{"t3": nil},
+ },
+ }
+
+ suite := godog.TestSuite{
+ ScenarioInitializer: func(s *godog.ScenarioContext) {
+ dbm.RegisterSteps(s)
+ s.Step(`^I should not be blocked for "([^"]*)"$`, func(ctx context.Context, key string) error {
+ if dbm.sync.isLocked(ctx, key) {
+ return fmt.Errorf("%s is locked", key)
+ }
+
+ return nil
+ })
+ s.Step("^I sleep$", func() {
+ time.Sleep(time.Millisecond * time.Duration(rand.Int63n(100)))
+ })
+ },
+ Options: &godog.Options{
+ Format: "pretty",
+ Strict: true,
+ Paths: []string{"_testdata/DatabaseConcurrent.feature"},
+ Concurrency: 10,
+ },
+ }
+
+ if suite.Run() != 0 {
+ t.Fatal("test failed")
+ }
+}
+
+func TestNewManager_concurrent_blocked(t *testing.T) {
+ dbm := NewManager()
+
+ db1, mock1, err := sqlmock.New()
+ assert.NoError(t, err)
+ db2, mock2, err := sqlmock.New()
+ assert.NoError(t, err)
+ db3, mock3, err := sqlmock.New()
+ assert.NoError(t, err)
+
+ mock1.ExpectExec(`DELETE FROM t1`).
+ WillReturnResult(driver.ResultNoRows)
+ mock2.ExpectExec(`DELETE FROM t2`).
+ WillReturnResult(driver.ResultNoRows)
+ mock3.ExpectExec(`DELETE FROM t3`).
+ WillReturnResult(driver.ResultNoRows)
+
+ dbm.Instances = map[string]Instance{
+ "db1": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db1, "sqlmock")),
+ Tables: map[string]interface{}{"t1": nil},
+ },
+ "db2": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db2, "sqlmock")),
+ Tables: map[string]interface{}{"t2": nil},
+ },
+ "db3": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db3, "sqlmock")),
+ Tables: map[string]interface{}{"t3": nil},
+ },
+ }
+
+ out := bytes.Buffer{}
+
+ suite := godog.TestSuite{
+ ScenarioInitializer: func(s *godog.ScenarioContext) {
+ dbm.RegisterSteps(s)
+ s.Step(`^I should not be blocked for "([^"]*)"$`, func(ctx context.Context, key string) error {
+ if dbm.sync.isLocked(ctx, key) {
+ return fmt.Errorf("%s is locked", key)
+ }
+
+ return nil
+ })
+ s.Step("^I sleep$", func() {
+ time.Sleep(time.Millisecond * time.Duration(rand.Int63n(100)))
+ })
+ },
+ Options: &godog.Options{
+ Output: &out,
+ Format: "pretty",
+ Strict: true,
+ Paths: []string{"_testdata/DatabaseConcurrentBlocked.feature"},
+ Concurrency: 10,
+ },
+ }
+
+ if suite.Run() != 1 {
+ t.Fatal("test failed")
+ }
+
+ assert.Contains(t, out.String(), "db1::t1 is locked")
+}
diff --git a/manager_test.go b/manager_test.go
new file mode 100644
index 0000000..cc31e06
--- /dev/null
+++ b/manager_test.go
@@ -0,0 +1,376 @@
+package dbsteps_test
+
+import (
+ "bytes"
+ "database/sql"
+ "database/sql/driver"
+ "testing"
+ "time"
+
+ "github.com/DATA-DOG/go-sqlmock"
+ "github.com/bool64/sqluct"
+ "github.com/cucumber/godog"
+ "github.com/godogx/dbsteps"
+ "github.com/jmoiron/sqlx"
+ "github.com/stretchr/testify/assert"
+)
+
+func mustParseTime(value string) time.Time {
+ var (
+ t time.Time
+ err error
+ )
+
+ for _, layout := range []string{time.RFC3339, time.RFC3339Nano, "2006-01-02", "2006-01-02 15:04:05"} {
+ t, err = time.Parse(layout, value)
+ if err == nil {
+ break
+ }
+ }
+
+ if err != nil {
+ panic(err)
+ }
+
+ return t
+}
+
+func TestManager_RegisterContext(t *testing.T) {
+ type RowKey struct {
+ Foo *string `db:"foo"`
+ Bar sql.NullString `db:"bar"`
+ }
+
+ type row struct {
+ ID int `db:"id"`
+ RowKey
+ CreatedAt time.Time `db:"created_at"`
+ DeletedAt *time.Time `db:"deleted_at"`
+ }
+
+ dbm := dbsteps.NewManager()
+ db, mock, err := sqlmock.New()
+ assert.NoError(t, err)
+
+ dbm.Instances = map[string]dbsteps.Instance{
+ "my_db": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db, "sqlmock")),
+ Tables: map[string]interface{}{
+ "my_table": new(row),
+ "my_another_table": new(row),
+ },
+ },
+ }
+
+ // Given there are no rows in table "my_table" of database "my_db"
+ mock.ExpectExec(`DELETE FROM my_table`).
+ WillReturnResult(driver.ResultNoRows)
+
+ // And rows from this file are stored in table "my_table" of database "my_db"
+ // """
+ // _testdata/rows.csv
+ // """
+ mock.ExpectExec(`INSERT INTO my_table \(id,created_at,deleted_at,foo,bar\) VALUES .+`).
+ WithArgs(
+ 1, mustParseTime("2021-01-01T00:00:00Z"), nil, "foo-1", "abc",
+ 2, mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"), "foo-1", "def",
+ 3, mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"), "foo-2", "hij",
+ ).
+ WillReturnResult(driver.ResultNoRows)
+
+ // And these rows are stored in table "my_table" of database "my_db":
+ // | id | foo | bar | created_at | deleted_at |
+ // | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ mock.ExpectExec(`INSERT INTO my_table \(id,created_at,deleted_at,foo,bar\) VALUES .+`).
+ WithArgs(
+ 1, mustParseTime("2021-01-01T00:00:00Z"), nil, "foo-1", "abc",
+ ).
+ WillReturnResult(driver.ResultNoRows)
+
+ // Then only these rows are available in table "my_table" of database "my_db":
+ // | id | foo | bar | created_at | deleted_at |
+ // | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ // | 2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ // | 3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(3))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE bar = \$1 AND created_at = \$2 AND deleted_at IS NULL`).
+ WithArgs(
+ "abc", mustParseTime("2021-01-01T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"), nil))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE foo = \$1 AND bar = \$2 AND created_at = \$3 AND deleted_at = \$4`).
+ WithArgs(
+ "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE foo = \$1 AND bar = \$2 AND created_at = \$3 AND deleted_at = \$4`).
+ WithArgs(
+ "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ // Assertion with interpolated variables.
+ // Then only these rows are available in table "my_table" of database "my_db":
+ // | id | foo | bar | created_at | deleted_at |
+ // | | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ // | | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ // | | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(3))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at IS NULL`).
+ WithArgs(
+ 1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"), nil))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at = \$5`).
+ WithArgs(
+ 2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at = \$5`).
+ WithArgs(
+ 3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ // And no rows are available in table "my_another_table" of database "my_db"
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_another_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(0))
+
+ buf := bytes.NewBuffer(nil)
+
+ suite := godog.TestSuite{
+ Name: "DatabaseContext",
+ TestSuiteInitializer: nil,
+ ScenarioInitializer: func(s *godog.ScenarioContext) {
+ dbm.RegisterSteps(s)
+ },
+ Options: &godog.Options{
+ Format: "pretty",
+ Output: buf,
+ Paths: []string{"_testdata/Database.feature"},
+ Strict: true,
+ Randomize: time.Now().UTC().UnixNano(),
+ },
+ }
+ status := suite.Run()
+
+ if status != 0 {
+ t.Fatal(buf.String())
+ }
+}
+
+func TestManager_RegisterContext_fail(t *testing.T) {
+ type RowKey struct {
+ Foo string `db:"foo"`
+ Bar sql.NullString `db:"bar"`
+ }
+
+ type row struct {
+ ID int `db:"id"`
+ RowKey
+ CreatedAt time.Time `db:"created_at"`
+ DeletedAt *time.Time `db:"deleted_at"`
+ }
+
+ dbm := dbsteps.NewManager()
+ db, mock, err := sqlmock.New()
+ assert.NoError(t, err)
+
+ dbm.Instances = map[string]dbsteps.Instance{
+ "my_db": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db, "sqlmock")),
+ Tables: map[string]interface{}{
+ "my_table": new(row),
+ },
+ },
+ }
+
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(2))
+
+ createdAt := time.Date(2020, 1, 1, 1, 1, 1, 1, time.UTC)
+
+ mock.ExpectQuery(`SELECT id, created_at, deleted_at, foo, bar FROM my_table LIMIT 50`).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "created_at", "deleted_at", "foo", "bar"}).
+ AddRow(1, createdAt, nil, "my-foo", "bar-1").
+ AddRow(2, createdAt, nil, "my-foo", "bar-122"))
+
+ buf := bytes.NewBuffer(nil)
+
+ suite := godog.TestSuite{
+ Name: "DatabaseContext",
+ TestSuiteInitializer: nil,
+ ScenarioInitializer: func(s *godog.ScenarioContext) {
+ dbm.RegisterSteps(s)
+ },
+ Options: &godog.Options{
+ Format: "pretty",
+ Output: buf,
+ Paths: []string{"_testdata/DatabaseFail.feature"},
+ Strict: true,
+ },
+ }
+ status := suite.Run()
+
+ assert.Contains(t, buf.String(), `
+| id | foo | bar | created_at | deleted_at |
+| 1 | my-foo | bar-1 | 2020-01-01T01:01:01.000000001Z | NULL |
+| 2 | my-foo | bar-122 | 2020-01-01T01:01:01.000000001Z | NULL |
+`)
+
+ if status == 0 {
+ t.Fatal(buf.String())
+ }
+}
+
+func TestManager_RegisterContext_default(t *testing.T) {
+ type RowKey struct {
+ Foo *string `db:"foo"`
+ Bar sql.NullString `db:"bar"`
+ }
+
+ type row struct {
+ ID int `db:"id"`
+ RowKey
+ CreatedAt time.Time `db:"created_at"`
+ DeletedAt *time.Time `db:"deleted_at"`
+ }
+
+ dbm := dbsteps.NewManager()
+ db, mock, err := sqlmock.New()
+ assert.NoError(t, err)
+
+ dbm.Instances = map[string]dbsteps.Instance{
+ "default": {
+ Storage: sqluct.NewStorage(sqlx.NewDb(db, "sqlmock")),
+ Tables: map[string]interface{}{
+ "my_table": new(row),
+ "my_another_table": new(row),
+ },
+ PostCleanup: map[string][]string{
+ "my_table": {"RESET SEQUENCE"},
+ },
+ },
+ }
+
+ // Given there are no rows in table "my_table"
+ mock.ExpectExec(`DELETE FROM my_table`).
+ WillReturnResult(driver.ResultNoRows)
+
+ // PostCleanup raw statement.
+ mock.ExpectExec(`RESET SEQUENCE`).
+ WillReturnResult(driver.ResultNoRows)
+
+ // And rows from this file are stored in table "my_table"
+ // """
+ // _testdata/rows.csv
+ // """
+ mock.ExpectExec(`INSERT INTO my_table \(id,created_at,deleted_at,foo,bar\) VALUES .+`).
+ WithArgs(
+ 1, mustParseTime("2021-01-01T00:00:00Z"), nil, "foo-1", "abc",
+ 2, mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"), "foo-1", "def",
+ 3, mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"), "foo-2", "hij",
+ ).
+ WillReturnResult(driver.ResultNoRows)
+
+ // And these rows are stored in table "my_table":
+ // | id | foo | bar | created_at | deleted_at |
+ // | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ mock.ExpectExec(`INSERT INTO my_table \(id,created_at,deleted_at,foo,bar\) VALUES .+`).
+ WithArgs(
+ 1, mustParseTime("2021-01-01T00:00:00Z"), nil, "foo-1", "abc",
+ ).
+ WillReturnResult(driver.ResultNoRows)
+
+ // Then only these rows are available in table "my_table":
+ // | id | foo | bar | created_at | deleted_at |
+ // | 1 | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ // | 2 | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ // | 3 | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(3))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE bar = \$1 AND created_at = \$2 AND deleted_at IS NULL`).
+ WithArgs(
+ "abc", mustParseTime("2021-01-01T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"), nil))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE foo = \$1 AND bar = \$2 AND created_at = \$3 AND deleted_at = \$4`).
+ WithArgs(
+ "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE foo = \$1 AND bar = \$2 AND created_at = \$3 AND deleted_at = \$4`).
+ WithArgs(
+ "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ // Assertion with interpolated variables.
+ // Then only these rows are available in table "my_table":
+ // | id | foo | bar | created_at | deleted_at |
+ // | | foo-1 | abc | 2021-01-01T00:00:00Z | NULL |
+ // | | foo-1 | def | 2021-01-02T00:00:00Z | 2021-01-03T00:00:00Z |
+ // | | foo-2 | hij | 2021-01-03T00:00:00Z | 2021-01-03T00:00:00Z |
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(3))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at IS NULL`).
+ WithArgs(
+ 1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(1, "foo-1", "abc", mustParseTime("2021-01-01T00:00:00Z"), nil))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at = \$5`).
+ WithArgs(
+ 2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(2, "foo-1", "def", mustParseTime("2021-01-02T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ mock.ExpectQuery(`SELECT .+ FROM my_table WHERE id = \$1 AND foo = \$2 AND bar = \$3 AND created_at = \$4 AND deleted_at = \$5`).
+ WithArgs(
+ 3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z"),
+ ).
+ WillReturnRows(sqlmock.NewRows([]string{"id", "foo", "bar", "created_at", "deleted_at"}).
+ AddRow(3, "foo-2", "hij", mustParseTime("2021-01-03T00:00:00Z"), mustParseTime("2021-01-03T00:00:00Z")))
+
+ // And no rows are available in table "my_another_table"
+ mock.ExpectQuery(`SELECT COUNT\(1\) AS c FROM my_another_table`).WillReturnRows(sqlmock.NewRows([]string{"c"}).AddRow(0))
+
+ buf := bytes.NewBuffer(nil)
+
+ suite := godog.TestSuite{
+ Name: "DatabaseContext",
+ TestSuiteInitializer: nil,
+ ScenarioInitializer: func(s *godog.ScenarioContext) {
+ dbm.RegisterSteps(s)
+ },
+ Options: &godog.Options{
+ Format: "pretty",
+ Output: buf,
+ Paths: []string{"_testdata/DatabaseDefault.feature"},
+ Strict: true,
+ Randomize: time.Now().UTC().UnixNano(),
+ },
+ }
+ status := suite.Run()
+
+ if status != 0 {
+ t.Fatal(buf.String())
+ }
+}
diff --git a/run_me.sh b/run_me.sh
deleted file mode 100755
index 42e0530..0000000
--- a/run_me.sh
+++ /dev/null
@@ -1,27 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-# Init script to kick-start your project
-url=$(git remote get-url origin)
-
-url_nopro=${url#*//}
-url_noatsign=${url_nopro#*@}
-
-gh_repo=${url_noatsign#"github.com:"}
-gh_repo=${gh_repo#"github.com/"}
-gh_repo=${gh_repo%".git"}
-
-copyright="$(date +%Y) $(git config user.name)"
-project_name=$(basename $gh_repo)
-
-echo "## Replacing all go-template references by $project_name"
-find . -type f -not -name run_me.sh -print0 | xargs -0 perl -i -pe "s|2021 bool64|$copyright|g"
-find . -type f -not -name run_me.sh -print0 | xargs -0 perl -i -pe "s|bool64/go-template|$gh_repo|g"
-find . -type f -not -name run_me.sh -print0 | xargs -0 perl -i -pe "s|go-template|$project_name|g"
-
-echo "## Removing this script"
-rm ./run_me.sh
-
-echo "## Please check the @TODO's:"
-git grep TODO | grep -v run_me.sh
-
diff --git a/sync.go b/sync.go
new file mode 100644
index 0000000..f8516de
--- /dev/null
+++ b/sync.go
@@ -0,0 +1,116 @@
+package dbsteps
+
+import (
+ "context"
+ "errors"
+ "strings"
+ "sync"
+
+ "github.com/cucumber/godog"
+)
+
+type sentinelError string
+
+// Error returns the error message.
+func (e sentinelError) Error() string {
+ return string(e)
+}
+
+const errMissingScenarioLock = sentinelError("missing scenario lock key in context")
+
+// synchronized keeps exclusive access to the scenario steps.
+type synchronized struct {
+ mu sync.Mutex
+ locks map[string]chan struct{}
+ onRelease func(lockName string) error
+ ctxKey *struct{ _ int }
+}
+
+func newSynchronized(onRelease func(lockName string) error) *synchronized {
+ return &synchronized{
+ locks: make(map[string]chan struct{}),
+ onRelease: onRelease,
+ ctxKey: new(struct{ _ int }),
+ }
+}
+
+// acquireLock acquires resource lock for the given key and returns true.
+//
+// If the lock is already held by another context, it waits for the lock to be released.
+// It returns false is the lock is already held by this context.
+// This function fails if the context is missing current lock.
+func (s *synchronized) acquireLock(ctx context.Context, lockName string) (bool, error) {
+ currentLock, ok := ctx.Value(s.ctxKey).(chan struct{})
+ if !ok {
+ return false, errMissingScenarioLock
+ }
+
+ s.mu.Lock()
+ lock := s.locks[lockName]
+
+ if lock == nil {
+ if s.locks == nil {
+ s.locks = make(map[string]chan struct{})
+ }
+
+ s.locks[lockName] = currentLock
+ }
+
+ s.mu.Unlock()
+
+ // Wait for the alien lock to be released.
+ if lock != nil && lock != currentLock {
+ <-lock
+
+ return s.acquireLock(ctx, lockName)
+ }
+
+ if lock == nil {
+ return true, nil
+ }
+
+ return false, nil
+}
+
+// register adds hooks to scenario context.
+func (s *synchronized) register(sc *godog.ScenarioContext) {
+ sc.Before(func(ctx context.Context, sc *godog.Scenario) (context.Context, error) {
+ lock := make(chan struct{})
+
+ // Adding unique pointer to context to avoid collisions.
+ return context.WithValue(ctx, s.ctxKey, lock), nil
+ })
+
+ sc.After(func(ctx context.Context, sc *godog.Scenario, err error) (context.Context, error) {
+ s.mu.Lock()
+ defer s.mu.Unlock()
+
+ // Releasing locks owned by scenario.
+ currentLock, ok := ctx.Value(s.ctxKey).(chan struct{})
+ if !ok {
+ return ctx, errMissingScenarioLock
+ }
+
+ var errs []string
+
+ for key, lock := range s.locks {
+ if lock == currentLock {
+ delete(s.locks, key)
+ }
+
+ if s.onRelease != nil {
+ if err := s.onRelease(key); err != nil {
+ errs = append(errs, err.Error())
+ }
+ }
+ }
+
+ close(currentLock)
+
+ if len(errs) > 0 {
+ return ctx, errors.New(strings.Join(errs, ", ")) // nolint:goerr113
+ }
+
+ return ctx, nil
+ })
+}
diff --git a/table.go b/table.go
new file mode 100644
index 0000000..0bce71e
--- /dev/null
+++ b/table.go
@@ -0,0 +1,164 @@
+package dbsteps
+
+import (
+ "errors"
+ "fmt"
+ "reflect"
+ "strings"
+
+ "github.com/swaggest/form/v5"
+)
+
+const null = "NULL"
+
+// TableMapper maps data from Go value to string and back.
+type TableMapper struct {
+ Decoder *form.Decoder
+ Encoder *form.Encoder
+}
+
+func isNil(v interface{}) bool {
+ if v == nil {
+ return true
+ }
+
+ rv := reflect.ValueOf(v)
+ if rv.Kind() == reflect.Ptr && rv.IsZero() {
+ return true
+ }
+
+ return false
+}
+
+// Encode converts Go value to string.
+func (m *TableMapper) Encode(v interface{}) (string, error) {
+ if m.Encoder == nil {
+ m.Encoder = form.NewEncoder()
+ }
+
+ if isNil(v) {
+ return null, nil
+ }
+
+ vv, err := m.Encoder.Encode(v)
+ if err != nil {
+ return "", fmt.Errorf("failed to stringify variable value of type %T: %w", v, err)
+ }
+
+ return vv[""][0], nil
+}
+
+// SliceFromTable creates a slice from gherkin table, item type is used as slice element type.
+func (m *TableMapper) SliceFromTable(data [][]string, item interface{}) (interface{}, error) {
+ itemType := reflect.TypeOf(item)
+ if itemType == nil {
+ return nil, errNilItemStruct
+ }
+
+ if itemType.Kind() == reflect.Ptr {
+ itemType = itemType.Elem()
+ }
+
+ result := reflect.MakeSlice(reflect.SliceOf(itemType), len(data)-1, len(data)-1)
+
+ err := m.IterateTable(IterateConfig{
+ Data: data, Item: item,
+ ReceiveRow: func(index int, row interface{}, colNames []string, rawValues []string) error {
+ result.Index(index).Set(reflect.Indirect(reflect.ValueOf(row)))
+
+ return nil
+ },
+ })
+ if err != nil {
+ return nil, err
+ }
+
+ return result.Interface(), nil
+}
+
+// IterateConfig controls behavior of TableMapper.IterateTable.
+type IterateConfig struct {
+ Data [][]string
+ SkipDecode func(column, value string) bool
+ Item interface{}
+ Replaces map[string]string
+ ReceiveRow func(index int, row interface{}, colNames []string, rawValues []string) error
+}
+
+var (
+ errNilItemStruct = errors.New("nil item struct received")
+ errRowRequired = errors.New("header and at least one row required in table")
+)
+
+func itemType(v interface{}) (reflect.Type, error) {
+ itemType := reflect.TypeOf(v)
+ if itemType == nil {
+ return nil, errNilItemStruct
+ }
+
+ if itemType.Kind() == reflect.Ptr {
+ itemType = itemType.Elem()
+ }
+
+ return itemType, nil
+}
+
+// IterateTable walks gherkin table calling row receiver with mapped row.
+// If receiver returns error iteration stops and error is propagated.
+func (m *TableMapper) IterateTable(c IterateConfig) error {
+ if m.Decoder == nil {
+ m.Decoder = form.NewDecoder()
+ }
+
+ if len(c.Data) < 2 {
+ return errRowRequired
+ }
+
+ colNames := c.Data[0]
+
+ itemType, err := itemType(c.Item)
+ if err != nil {
+ return err
+ }
+
+ values := make(map[string][]string, len(colNames))
+
+ for rowIndex, row := range c.Data[1:] {
+ itemBuf := reflect.New(itemType)
+ raw := make([]string, 0, len(colNames))
+
+ for i, cell := range row {
+ raw = append(raw, cell)
+
+ if c.SkipDecode != nil && c.SkipDecode(colNames[i], cell) {
+ continue
+ }
+
+ cell = strings.TrimSuffix(cell, "::string")
+
+ if v, found := c.Replaces[cell]; found {
+ cell = v
+ }
+
+ if cell != null {
+ values[colNames[i]] = []string{cell}
+ } else {
+ delete(values, colNames[i])
+ }
+ }
+
+ val := itemBuf.Interface()
+
+ err := m.Decoder.Decode(val, values)
+ if err != nil {
+ return err
+ }
+
+ err = c.ReceiveRow(rowIndex, itemBuf.Interface(), colNames, raw)
+ if err != nil {
+ return err
+ }
+ }
+
+ return nil
+}
diff --git a/table_test.go b/table_test.go
new file mode 100644
index 0000000..7980ecc
--- /dev/null
+++ b/table_test.go
@@ -0,0 +1,65 @@
+package dbsteps_test
+
+import (
+ "testing"
+ "time"
+
+ "github.com/godogx/dbsteps"
+ "github.com/stretchr/testify/assert"
+ "github.com/swaggest/form/v5"
+)
+
+func TestMapper_SliceFromTable(t *testing.T) {
+ type Emb struct {
+ B string `db:"b"`
+ Map map[string]int `db:"m"`
+ }
+
+ type item struct {
+ A int `db:"a"`
+ Emb
+ }
+
+ data := [][]string{
+ {"a", "b"},
+ {"1", "b1"},
+ {"2", "b2"},
+ }
+
+ m := &dbsteps.TableMapper{
+ Decoder: form.NewDecoder(),
+ }
+ m.Decoder.SetTagName("db")
+ res, err := m.SliceFromTable(data, new(item))
+ assert.NoError(t, err)
+
+ result, ok := res.([]item)
+ assert.True(t, ok)
+ assert.Len(t, result, 2)
+ assert.Equal(t, 1, result[0].A)
+ assert.Equal(t, "b1", result[0].B)
+ assert.Equal(t, 2, result[1].A)
+ assert.Equal(t, "b2", result[1].B)
+}
+
+func TestTableMapper_Encode(t *testing.T) {
+ tm := dbsteps.TableMapper{}
+
+ for _, tc := range []struct {
+ v interface{}
+ s string
+ }{
+ {"abc", "abc"},
+ {123, "123"},
+ {123.45, "123.45"},
+ {nil, "NULL"},
+ {(*time.Time)(nil), "NULL"},
+ {time.Time{}, "0001-01-01T00:00:00Z"},
+ {&time.Time{}, "0001-01-01T00:00:00Z"},
+ {new(int), "0"},
+ } {
+ s, err := tm.Encode(tc.v)
+ assert.NoError(t, err)
+ assert.Equal(t, tc.s, s)
+ }
+}