Skip to content

Merge pull request #8 from oppia/develop #17

Merge pull request #8 from oppia/develop

Merge pull request #8 from oppia/develop #17

Workflow file for this run

# Contains jobs corresponding to code coverage.
name: Code Coverage
# Controls when the action will run. Triggers the workflow on pull request
# events or push events in the develop branch.
on:
pull_request:
push:
branches:
# Push events on develop branch
- develop
concurrency:
group: ${{ github.workflow }}-${{ github.event.pull_request.number || github.run_id }}
cancel-in-progress: true
jobs:
check_unit_tests_completed:
name: Check unit test completed
runs-on: ubuntu-latest
steps:
- name: Wait for unit tests to checks
uses: ArcticLampyrid/[email protected]
with:
workflow: unit_tests.yml
sha: auto
compute_changed_files:
name: Compute changed files
needs: check_unit_tests_completed
runs-on: ubuntu-20.04
outputs:
matrix: ${{ steps.compute-file-matrix.outputs.matrix }}
can_skip_files: ${{ steps.compute-file-matrix.outputs.can_skip_files }}
env:
CACHE_DIRECTORY: ~/.bazel_cache
steps:
- uses: actions/checkout@v2
with:
fetch-depth: 0
- name: Set up Bazel
uses: abhinavsingh/setup-bazel@v3
with:
version: 6.5.0
- uses: actions/cache@v2
id: scripts_cache
with:
path: ${{ env.CACHE_DIRECTORY }}
key: ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-${{ github.sha }}
restore-keys: |
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-
# This check is needed to ensure that Bazel's unbounded cache growth doesn't result in a
# situation where the cache never updates (e.g. due to exceeding GitHub's cache size limit)
# thereby only ever using the last successful cache version. This solution will result in a
# few slower CI actions around the time cache is detected to be too large, but it should
# incrementally improve thereafter.
- name: Ensure cache size
env:
BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }}
run: |
# See https://stackoverflow.com/a/27485157 for reference.
EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}"
CACHE_SIZE_MB=$(du -smc $EXPANDED_BAZEL_CACHE_PATH | grep total | cut -f1)
echo "Total size of Bazel cache (rounded up to MBs): $CACHE_SIZE_MB"
# Use a 4.5GB threshold since actions/cache compresses the results, and Bazel caches seem
# to only increase by a few hundred megabytes across changes for unrelated branches. This
# is also a reasonable upper-bound (local tests as of 2021-03-31 suggest that a full build
# of the codebase (e.g. //...) from scratch only requires a ~2.1GB uncompressed/~900MB
# compressed cache).
if [[ "$CACHE_SIZE_MB" -gt 4500 ]]; then
echo "Cache exceeds cut-off; resetting it (will result in a slow build)"
rm -rf $EXPANDED_BAZEL_CACHE_PATH
fi
- name: Configure Bazel to use a local cache
env:
BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }}
run: |
EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}"
echo "Using $EXPANDED_BAZEL_CACHE_PATH as Bazel's cache path"
echo "build --disk_cache=$EXPANDED_BAZEL_CACHE_PATH" >> $HOME/.bazelrc
shell: bash
- name: Compute file matrix
id: compute-file-matrix
env:
compute_all_files: ${{ contains(github.event.pull_request.title, '[RunAllTests]') }}
# See: https://docs.github.com/en/webhooks-and-events/webhooks/webhook-events-and-payloads#pull_request. Defer to origin/develop outside a PR (such as develop's main CI runs).
base_commit_hash: ${{ github.event.pull_request.base.sha || 'origin/develop' }}
# https://unix.stackexchange.com/a/338124 for reference on creating a JSON-friendly
# comma-separated list of test targets for the matrix.
run: |
bazel run //scripts:compute_changed_files -- $(pwd) $(pwd)/changed_files.log $base_commit_hash compute_all_files=$compute_all_files
FILE_BUCKET_LIST=$(cat ./changed_files.log | sed 's/^\|$/"/g' | paste -sd, -)
echo "Changed files (note that this might be all files if configured to run all or on the develop branch): $FILE_BUCKET_LIST"
echo "::set-output name=matrix::{\"changed-files-bucket-base64-encoded-shard\":[$FILE_BUCKET_LIST]}"
if [[ ! -z "$FILE_BUCKET_LIST" ]]; then
echo "::set-output name=can_skip_files::false"
else
echo "::set-output name=can_skip_files::true"
echo "No files are affected by this change. If this is wrong, you can add '[RunAllTests]' to the PR title to force a run."
fi
code_coverage_run:
name: Run Code Coverage
needs: compute_changed_files
if: ${{ needs.compute_changed_files.outputs.can_skip_files != 'true' }}
runs-on: ubuntu-20.04
strategy:
fail-fast: false
max-parallel: 10
matrix: ${{ fromJson(needs.compute_changed_files.outputs.matrix) }}
env:
CACHE_DIRECTORY: ~/.bazel_cache
steps:
- uses: actions/checkout@v2
- name: Set up JDK 11
uses: actions/setup-java@v1
with:
java-version: 11
- name: Set up Bazel
uses: abhinavsingh/setup-bazel@v3
with:
version: 6.5.0
- uses: actions/cache@v2
id: scripts_cache
with:
path: ${{ env.CACHE_DIRECTORY }}
key: ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-${{ github.sha }}
restore-keys: |
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-
- name: Set up build environment
uses: ./.github/actions/set-up-android-bazel-build-environment
- name: Configure Bazel to use a local cache (for scripts)
env:
BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }}
run: |
EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}"
echo "Using $EXPANDED_BAZEL_CACHE_PATH as Bazel's cache path"
echo "build --disk_cache=$EXPANDED_BAZEL_CACHE_PATH" >> $HOME/.bazelrc
shell: bash
- name: Extract caching bucket
env:
CHANGED_FILES_BUCKET_BASE64_ENCODED_SHARD: ${{ matrix.changed-files-bucket-base64-encoded-shard }}
run: |
# See https://stackoverflow.com/a/29903172 for cut logic. This is needed to remove the
# user-friendly shard prefix from the matrix value.
CHANGED_FILES_BUCKET_BASE64=$(echo "$CHANGED_FILES_BUCKET_BASE64_ENCODED_SHARD" | cut -d ";" -f 2)
SHARD_NAME=$(echo "$CHANGED_FILES_BUCKET_BASE64_ENCODED_SHARD" | cut -d ";" -f 1)
bazel run //scripts:retrieve_changed_files -- $(pwd) $CHANGED_FILES_BUCKET_BASE64 $(pwd)/file_bucket_name $(pwd)/changed_files $(pwd)/bazel_test_targets
FILE_CATEGORY=$(cat ./file_bucket_name)
CHANGED_FILES=$(cat ./changed_files)
BAZEL_TEST_TARGETS=$(cat ./bazel_test_targets)
echo "File category: $FILE_CATEGORY"
echo "Changed Files: $CHANGED_FILES"
echo "Bazel test targets: $BAZEL_TEST_TARGETS"
echo "Shard name: $SHARD_NAME"
echo "SHARD_NAME=$SHARD_NAME" >> $GITHUB_ENV
echo "FILE_CACHING_BUCKET=$FILE_CATEGORY" >> $GITHUB_ENV
echo "CHANGED_FILES=$CHANGED_FILES" >> $GITHUB_ENV
echo "BAZEL_TEST_TARGETS=$BAZEL_TEST_TARGETS" >> $GITHUB_ENV
# For reference on this & the later cache actions, see:
# https://github.com/actions/cache/issues/239#issuecomment-606950711 &
# https://github.com/actions/cache/issues/109#issuecomment-558771281. Note that these work
# with Bazel since Bazel can share the most recent cache from an unrelated build and still
# benefit from incremental build performance (assuming that actions/cache aggressively removes
# older caches due to the 5GB cache limit size & Bazel's large cache size).
- uses: actions/cache@v2
id: test_cache
with:
path: ${{ env.CACHE_DIRECTORY }}
key: ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-tests-${{ env.FILE_CACHING_BUCKET }}-${{ github.sha }}
restore-keys: |
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-tests-${{ env.FILE_CACHING_BUCKET }}-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-tests-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-binary-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-
# This check is needed to ensure that Bazel's unbounded cache growth doesn't result in a
# situation where the cache never updates (e.g. due to exceeding GitHub's cache size limit)
# thereby only ever using the last successful cache version. This solution will result in a
# few slower CI actions around the time cache is detected to be too large, but it should
# incrementally improve thereafter.
- name: Ensure cache size
env:
BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }}
run: |
# See https://stackoverflow.com/a/27485157 for reference.
EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}"
CACHE_SIZE_MB=$(du -smc $EXPANDED_BAZEL_CACHE_PATH | grep total | cut -f1)
echo "Total size of Bazel cache (rounded up to MBs): $CACHE_SIZE_MB"
# Use a 4.5GB threshold since actions/cache compresses the results, and Bazel caches seem
# to only increase by a few hundred megabytes across changes for unrelated branches. This
# is also a reasonable upper-bound (local tests as of 2021-03-31 suggest that a full build
# of the codebase (e.g. //...) from scratch only requires a ~2.1GB uncompressed/~900MB
# compressed cache).
if [[ "$CACHE_SIZE_MB" -gt 4500 ]]; then
echo "Cache exceeds cut-off; resetting it (will result in a slow build)"
rm -rf $EXPANDED_BAZEL_CACHE_PATH
fi
- name: Configure Bazel to use a local cache
env:
BAZEL_CACHE_DIR: ${{ env.CACHE_DIRECTORY }}
run: |
EXPANDED_BAZEL_CACHE_PATH="${BAZEL_CACHE_DIR/#\~/$HOME}"
echo "Using $EXPANDED_BAZEL_CACHE_PATH as Bazel's cache path"
echo "build --disk_cache=$EXPANDED_BAZEL_CACHE_PATH" >> $HOME/.bazelrc
shell: bash
- name: Build Oppia Tests
env:
BAZEL_TEST_TARGETS: ${{ env.BAZEL_TEST_TARGETS }}
run: |
# Attempt to build 5 times in case there are flaky builds.
# TODO(#3759): Remove this once there are no longer app test build failures.
i=0
# Disable exit-on-first-failure.
set +e
while [ $i -ne 5 ]; do
i=$(( $i+1 ))
echo "Attempt $i/5 to build test targets"
bazel build --keep_going -- $BAZEL_TEST_TARGETS
done
# Capture the error code of the final command run (which should be a success if there isn't a real build failure).
last_error_code=$?
# Reenable exit-on-first-failure.
set -e
# Exit only if the most recent exit was a failure (by using a subshell).
(exit $last_error_code)
- name: Run Oppia Coverage
env:
CHANGED_FILES: ${{ env.CHANGED_FILES }}
run: |
echo "CHANGED FILES: $CHANGED_FILES"
bazel run //scripts:run_coverage -- $(pwd) $CHANGED_FILES --format=PROTO --processTimeout=15
- name: Upload Coverage Report Artifact
uses: actions/upload-artifact@v4
with:
name: coverage-report-${{ env.SHARD_NAME }} # Saving with unique names to avoid conflict
path: coverage_reports
evaluate_code_coverage_reports:
name: Evaluate Code Coverage Reports
runs-on: ubuntu-20.04
needs: [ check_unit_tests_completed, code_coverage_run ]
# The expression if: ${{ !cancelled() }} runs a job or step regardless of its success or failure while responding to cancellations,
# serving as a cancellation-compliant alternative to if: ${{ always() }} in concurrent workflows.
if: ${{ !cancelled() && needs.check_unit_tests_completed.result == 'success'}}
env:
CACHE_DIRECTORY: ~/.bazel_cache
steps:
- uses: actions/checkout@v2
- name: Download Coverage Report Artifacts
uses: actions/download-artifact@v4
with:
path: coverage-report-artifact
pattern: coverage-report-*
merge-multiple: true
- name: Filter Coverage Reports
run: |
# Find all coverage_report.pb files in the current directory and subdirectories
PB_FILES_LIST=($(find . -name "coverage_report.pb" -type f -print0 | xargs -0 -n 1 echo))
echo "${PB_FILES_LIST[@]}" > pb_files.txt
- name: Set up Bazel
uses: abhinavsingh/setup-bazel@v3
with:
version: 6.5.0
- uses: actions/cache@v2
id: scripts_cache
with:
path: ${{ env.CACHE_DIRECTORY }}
key: ${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-${{ github.sha }}
restore-keys: |
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-scripts-
${{ runner.os }}-${{ env.CACHE_DIRECTORY }}-bazel-
- name: Set up build environment
uses: ./.github/actions/set-up-android-bazel-build-environment
- name: Generate Markdown Coverage Report
run: |
bazel run //scripts:coverage_reporter -- $(pwd) pb_files.txt
- name: Upload Generated Markdown Report
uses: actions/upload-artifact@v4
if: ${{ !cancelled() }} # IMPORTANT: Upload reports regardless of success or failure status
with:
name: final-coverage-report
path: coverage_reports/CoverageReport.md
# Reference: https://github.community/t/127354/7.
check_coverage_results:
name: Check Code Coverage Results
needs: [ check_unit_tests_completed, compute_changed_files, code_coverage_run, evaluate_code_coverage_reports ]
# The expression if: ${{ !cancelled() }} runs a job or step regardless of its success or failure while responding to cancellations,
# serving as a cancellation-compliant alternative to if: ${{ always() }} in concurrent workflows.
if: ${{ !cancelled() }}
runs-on: ubuntu-20.04
steps:
- name: Check unit tests passed
if: ${{ needs.check_unit_tests_completed.result != 'success' }}
run: exit 1
- name: Check coverages passed
if: ${{ needs.compute_changed_files.outputs.can_skip_files != 'true' && needs.code_coverage_run.result != 'success' }}
run: exit 1
- name: Check that coverage status is passed
if: ${{ needs.compute_changed_files.outputs.can_skip_files != 'true' && needs.evaluate_code_coverage_reports.result != 'success' }}
run: exit 1