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Simplify testing for Cloud Posse components #41

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@Nuru Nuru commented Nov 27, 2024

what

  • Add simplified support for testing Cloud Posse AWS Components

why

  • Enable feature parity between manual and automated testing by moving configuration and features to Atmos

@Nuru Nuru requested a review from mcalhoun November 27, 2024 08:35
@Nuru Nuru requested review from a team as code owners November 27, 2024 08:35
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coderabbitai bot commented Nov 27, 2024

Walkthrough

The changes introduce new functionalities in the aws_component_helper package, specifically for managing AWS component tests. A new function, GetAtmosTestOptions, is added to create test-specific options, while setup_subject.go includes several functions for test management, including cleanup and result handling. Modifications to generateCommand and GetCommonOptions in cmd.go enhance the handling of the AtmosBasePath option. These updates improve code organization and modularity without altering existing functionalities.

Changes

File Path Change Summary
pkg/atmos/aws-component-helper/atmos.go Added function: GetAtmosTestOptions(t *testing.T, componentName string, stackName string, vars map[string]interface{}) *atmos.Options.
pkg/atmos/aws-component-helper/setup_subject.go Added functions: awsComponentTestCleanup, IsLocalAwsComponentTest, AwsComponentTestHelper; Added struct: ComponentTestResults.
pkg/atmos/cmd.go Modified generateCommand to handle AtmosBasePath; Updated GetCommonOptions with a commented-out section regarding the --base-path flag limitations.

Sequence Diagram(s)

sequenceDiagram
    participant T as Test
    participant H as AwsComponentTestHelper
    participant C as Cleanup
    participant R as Results

    T->>H: Start Test
    H->>H: Prepare Environment
    H->>H: Generate Test ID
    H->>C: Cleanup Resources
    C->>C: Destroy AWS Component
    C->>H: Cleanup Complete
    H->>R: Return Test Results
    R->>T: End Test
Loading

🐇 "In the code where rabbits hop,
New functions sprout, we never stop!
With tests so neat and options bright,
Our AWS dreams take joyful flight.
Cleanup done, results in hand,
In the world of code, we proudly stand!" 🐇


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Actionable comments posted: 7

🧹 Outside diff range and nitpick comments (3)
pkg/atmos/aws-component-helper/atmos.go (2)

13-21: LGTM! The new function provides a simpler interface for test options.

The implementation aligns well with the PR's objective of simplifying testing. It provides a streamlined way to create test options without the complexity of backend configuration and temporary directories.

Consider adding a docstring to clarify:

  • The purpose of this simplified version vs GetAtmosOptions
  • When to use each function
  • The behavior of default retryable errors
+// GetAtmosTestOptions provides a simplified interface for creating Atmos options in test scenarios.
+// Unlike GetAtmosOptions, it omits backend configuration and temporary directory settings,
+// while still maintaining default retryable errors for robust testing.
 func GetAtmosTestOptions(t *testing.T, componentName string, stackName string, vars map[string]interface{}) *atmos.Options {

13-21: Consider refactoring for code reuse and consistency.

The new GetAtmosTestOptions and existing GetAtmosOptions share similar patterns. Consider:

  1. Making GetAtmosTestOptions build upon GetAtmosOptions to maintain consistency
  2. Extracting common option initialization logic to reduce duplication

Example approach:

func GetAtmosTestOptions(t *testing.T, componentName string, stackName string, vars map[string]interface{}) *atmos.Options {
    // Create a minimal test suite with only essential fields
    suite := &TestSuite{
        RandomIdentifier: "test",  // or generate a random identifier
        SkipNukeTestAccount: true, // skip default tags for simplicity
    }
    return GetAtmosOptions(t, suite, componentName, stackName, vars)
}

This would:

  • Ensure consistent behavior
  • Reduce maintenance overhead
  • Make it easier to add new features to both functions
pkg/atmos/cmd.go (1)

17-17: Clarify the TODO comment intention

The TODO comment "replace with command line argument" lacks context about what needs to be replaced and why. Please elaborate on:

  • What specific functionality needs to move to command line arguments?
  • Why is this change needed?
  • What is blocking this change currently?
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between c751907 and 85cebe6.

📒 Files selected for processing (3)
  • pkg/atmos/aws-component-helper/atmos.go (1 hunks)
  • pkg/atmos/aws-component-helper/setup_subject.go (1 hunks)
  • pkg/atmos/cmd.go (2 hunks)
🔇 Additional comments (2)
pkg/atmos/aws-component-helper/atmos.go (1)

13-21: Verify integration with existing test workflows.

Let's ensure the new function is properly integrated with existing test patterns.

✅ Verification successful

Let me gather more information about the test workflow integration.


Let me do one final check to understand the relationship between the new and existing functions.


Integration with test workflows is properly implemented

The new GetAtmosTestOptions function follows the established patterns in the codebase:

  • It correctly uses WithDefaultRetryableErrors which is the standard approach across test files
  • It provides a simpler interface for basic test scenarios, complementing the more comprehensive GetAtmosOptions function
  • The implementation maintains consistency with existing test helper functions
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Description: Check usage patterns and potential impact

# Find all test files that might use these functions
echo "Searching for test files that might use these functions..."
fd -e go -e tf test

# Look for existing usage patterns of GetAtmosOptions
echo "Checking existing usage patterns..."
rg -A 3 "GetAtmosOptions\(" 

# Check if there are any existing similar test helper functions
echo "Checking for similar test helpers..."
ast-grep --pattern 'func $name($t *testing.T, $_ string, $_ string, $_ map[string]interface{}) *atmos.Options'

Length of output: 2552


Script:

#!/bin/bash
# Check how GetAtmosTestOptions is being used and its relationship with GetAtmosOptions

# Look for usages of GetAtmosTestOptions
echo "Checking GetAtmosTestOptions usage..."
rg -A 3 "GetAtmosTestOptions\("

# Check the test files content to understand the testing patterns
echo "Checking test patterns in aws-component-helper..."
rg "func Test" pkg/atmos/aws-component-helper/

# Look for other similar test setup functions
echo "Looking for related test setup functions..."
ast-grep --pattern 'func $name($t *testing.T, $_ string, $$$) *atmos.Options'

Length of output: 2021


Script:

#!/bin/bash
# Check the implementation details and usage context

# Look for the relationship between GetAtmosTestOptions and GetAtmosOptions
echo "Checking the context of both functions..."
rg -B 5 -A 10 "func GetAtmos.*Options" pkg/atmos/aws-component-helper/atmos.go

# Check for any test files that might be using these options
echo "Checking test files for options usage..."
rg "atmos\.Options" test/aws-component-helper/test/basic_test.go

# Look for WithDefaultRetryableErrors usage
echo "Checking WithDefaultRetryableErrors usage..."
rg "WithDefaultRetryableErrors" pkg/atmos/

Length of output: 2910

pkg/atmos/cmd.go (1)

17-26: Verify integration with AWS component testing

Let's verify how these changes to AtmosBasePath handling integrate with the AWS component testing functionality.

Also applies to: 56-62

✅ Verification successful

Let me gather more information about the AWS component testing integration by checking the actual implementation details.


Let me check the actual test implementation to complete the verification.


Changes to AtmosBasePath handling are properly integrated with AWS component testing

The verification shows that the changes are well-integrated with AWS component testing:

  • The AWS component helper correctly uses ATMOS_BASE_PATH environment variable in test setup and teardown
  • The environment variable is properly managed throughout the test lifecycle:
    • Set during test suite setup in setup_test_suite.go
    • Used for test source validation in setup_subject.go
    • Properly cleaned up in tear_down_suite.go
  • The changes maintain compatibility with existing test patterns as seen in basic_test.go
🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for usage of ATMOS_BASE_PATH in AWS component test files
rg "ATMOS_BASE_PATH" --type go

# Search for any AWS component test files that might be affected by these changes
fd -e go -x grep -l "aws.*component.*test"

# Look for any test helper initialization that might use these options
ast-grep --pattern 'func $_(t $_, options *Options) {
  $$$
}'

Length of output: 612


Script:

#!/bin/bash
# Check the implementation details of AWS component helper files
cat pkg/atmos/aws-component-helper/setup_subject.go
cat pkg/atmos/aws-component-helper/setup_test_suite.go
cat pkg/atmos/aws-component-helper/tear_down_suite.go

# Look for any test files that use these helpers
rg "aws-component-helper" --type go -l

Length of output: 7408


Script:

#!/bin/bash
# Check the basic test implementation
cat test/aws-component-helper/test/basic_test.go

# Look for any Options usage in the test files
rg "Options" test/aws-component-helper/test/ -A 5

Length of output: 2061

Comment on lines +56 to +62
// TODO:
// if options.AtmosBasePath != "", then add args "--base-path", options.AtmosBasePath to the args
// Unfortunately, as of Atmos 1.109.0, the flag "--base-path" does not work
// if options.AtmosBasePath != "" {
// args = append([]string{"--base-path", options.AtmosBasePath}, args...)
// }

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🛠️ Refactor suggestion

Remove commented code and track the issue properly

The commented code block indicates that the --base-path flag doesn't work in Atmos 1.109.0, but leaves the code in place without proper tracking. Instead of keeping commented code:

  1. Remove the commented code
  2. Create an issue to track when this will be supported
  3. Document the current workaround (using ATMOS_BASE_PATH environment variable)
- // TODO:
- // if options.AtmosBasePath != "", then add args "--base-path", options.AtmosBasePath to the args
- // Unfortunately, as of Atmos 1.109.0, the flag "--base-path" does not work
- // if options.AtmosBasePath != "" {
- // 	args = append([]string{"--base-path", options.AtmosBasePath}, args...)
- // }

+ // NOTE: Atmos base path is currently set via ATMOS_BASE_PATH environment variable in generateCommand()
+ // as the --base-path flag is not supported as of Atmos 1.109.0
+ // Track progress at: <link-to-issue>
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
// TODO:
// if options.AtmosBasePath != "", then add args "--base-path", options.AtmosBasePath to the args
// Unfortunately, as of Atmos 1.109.0, the flag "--base-path" does not work
// if options.AtmosBasePath != "" {
// args = append([]string{"--base-path", options.AtmosBasePath}, args...)
// }
// NOTE: Atmos base path is currently set via ATMOS_BASE_PATH environment variable in generateCommand()
// as the --base-path flag is not supported as of Atmos 1.109.0
// Track progress at: <link-to-issue>

Comment on lines +21 to +24
if err != nil {
fmt.Printf("Error cloning options: %v", err)
return shell.Command{}
}
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🛠️ Refactor suggestion

Improve error handling for clone failure

Returning an empty shell.Command{} when cloning fails could lead to silent failures downstream. Consider either:

  1. Propagating the error up the call chain, or
  2. Setting a default fallback behavior
- if err != nil {
-   fmt.Printf("Error cloning options: %v", err)
-   return shell.Command{}
- }
+ if err != nil {
+   // Either propagate the error:
+   panic(fmt.Sprintf("Failed to clone options: %v", err))
+   // Or use original options as fallback:
+   options.EnvVars["ATMOS_BASE_PATH"] = options.AtmosBasePath
+ }

Committable suggestion skipped: line range outside the PR's diff.

t.Log("Copying files to temp folder...")
testRoot, err = files.CopyTerraformFolderToTemp(testSrcRoot, t.Name())
require.NoError(t, err)
err = copyDirectoryRecursively(filepath.Join(testSrcRoot, "state"), filepath.Join(testRoot, "state"))
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⚠️ Potential issue

Ensure copyDirectoryRecursively function is defined or imported

The function copyDirectoryRecursively used on line 70 is not defined in this file or imported from any package. This will result in a build error.

Please define the copyDirectoryRecursively function or import it from the appropriate package to ensure the code compiles correctly.

pkg/atmos/aws-component-helper/setup_subject.go Outdated Show resolved Hide resolved
pkg/atmos/aws-component-helper/setup_subject.go Outdated Show resolved Hide resolved
}
} else {
// if the destroy failed, leave the temp directory in place
assert.NoError(t, err, "Failed to destroy subject. Leaving source and state in %v\n\nDestroy output:\n%v\n\n", tmpDir, out)
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🛠️ Refactor suggestion

Avoid failing the test during cleanup when destroy operation fails

If the destroy operation fails during cleanup, using assert.NoError will fail the test at the end. Consider logging the error to report the issue without failing the entire test.

Apply this diff to log the error instead:

-    			assert.NoError(t, err, "Failed to destroy subject. Leaving source and state in %v\n\nDestroy output:\n%v\n\n", tmpDir, out)
+    			t.Errorf("Failed to destroy subject. Leaving source and state in %v\n\nDestroy output:\n%v\n\nError: %v", tmpDir, out, err)
📝 Committable suggestion

‼️ IMPORTANT
Carefully review the code before committing. Ensure that it accurately replaces the highlighted code, contains no missing lines, and has no issues with indentation. Thoroughly test & benchmark the code to ensure it meets the requirements.

Suggested change
assert.NoError(t, err, "Failed to destroy subject. Leaving source and state in %v\n\nDestroy output:\n%v\n\n", tmpDir, out)
t.Errorf("Failed to destroy subject. Leaving source and state in %v\n\nDestroy output:\n%v\n\nError: %v", tmpDir, out, err)

Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
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Actionable comments posted: 0

🧹 Outside diff range and nitpick comments (2)
pkg/atmos/aws-component-helper/setup_subject.go (2)

48-48: Use string comparison for empty strings

Replace len(existingTestID) > 0 with existingTestID != "" for more idiomatic code.

Apply this diff:

-return err == nil && len(existingTestID) > 0
+return err == nil && existingTestID != ""

64-64: Use string comparison for empty strings

Replace len(existingTestID) == 0 with existingTestID == "" for more idiomatic code.

Apply this diff:

-if err != nil || len(existingTestID) == 0 {
+if err != nil || existingTestID == "" {
📜 Review details

Configuration used: CodeRabbit UI
Review profile: CHILL

📥 Commits

Reviewing files that changed from the base of the PR and between 85cebe6 and ea0672c.

📒 Files selected for processing (1)
  • pkg/atmos/aws-component-helper/setup_subject.go (1 hunks)
🧰 Additional context used
📓 Learnings (1)
pkg/atmos/aws-component-helper/setup_subject.go (1)
Learnt from: Nuru
PR: cloudposse/test-helpers#41
File: pkg/atmos/aws-component-helper/setup_subject.go:29-29
Timestamp: 2024-11-27T09:40:52.752Z
Learning: In the `awsComponentTestCleanup` function in `pkg/atmos/aws-component-helper/setup_subject.go`, we should fail the test if unable to remove the temporary directory during cleanup, as this indicates a potential problem that warrants investigation.
🔇 Additional comments (1)
pkg/atmos/aws-component-helper/setup_subject.go (1)

70-71: ⚠️ Potential issue

Function copyDirectoryRecursively is undefined

The function copyDirectoryRecursively used on line 70 is not defined in this file or imported from any package. This will result in a compilation error.

Please define the copyDirectoryRecursively function or import it from the appropriate package to ensure the code compiles correctly.

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