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https://github.com/firebase/firebase-ios-sdk
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39 lines
3.1 KiB
Markdown
39 lines
3.1 KiB
Markdown
# Code Coverage Report Generation
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This tool is to help generate coverage reports for pull requests. It's defined by the [test_coverage workflow](https://github.com/firebase/firebase-ios-sdk/blob/master/scripts/code_coverage_report/code_coverage_file_list.json).
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Coverage reports of SDK frameworks will be displayed in a pull request if the change is under corresponding SDK file patterns.
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[UpdatedFilesCollector](https://github.com/firebase/firebase-ios-sdk/tree/master/scripts/code_coverage_report/generate_code_coverage_report/Sources/UpdatedFilesCollector) will detect file changes and compare file paths to file patterns in [code_coverage_file_list.json](https://github.com/firebase/firebase-ios-sdk/blob/master/scripts/code_coverage_report/code_coverage_file_list.json). If updated file paths fit any patterns, corresponding SDK coverage job will be triggered.
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## Add a new coverage workflow
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To create a code coverage workflow for a new SDK,
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1. Add `newsdk` and its patterns in [code_coverage_file_list.json](https://github.com/firebase/firebase-ios-sdk/blob/master/scripts/code_coverage_report/code_coverage_file_list.json).
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2. Add a new output flag, e.g. `newsdk_run_job`, in the [coverage workflow](https://github.com/firebase/firebase-ios-sdk/blob/64d50a7f7b3af104a88f9c9203285ae20ea309d4/.github/workflows/test_coverage.yml#L17). `newsdk_run_job` should be aligned with the name of SDK `newsdk` in code_coverage_file_list.json.
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3. Add a newsdk coverage job in the [workflow](https://github.com/firebase/firebase-ios-sdk/blob/master/.github/workflows/test_coverage.yml):
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```
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pod-lib-lint-newsdk:
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needs: check
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# Don't run on private repo unless it is a PR.
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if: always() && github.repository == 'Firebase/firebase-ios-sdk' && (needs.check.outputs.newsdk_run_job == 'true'|| github.event.pull_request.merged)
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runs-on: macOS-latest
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strategy:
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matrix:
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target: [iOS]
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steps:
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- uses: actions/checkout@v2
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- name: Setup Bundler
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run: scripts/setup_bundler.sh
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- name: Build and test
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run: ./scripts/code_coverage_report/pod_test_code_coverage_report.sh FirebaseNewSDK "${{ matrix.target }}"
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- uses: actions/upload-artifact@v2
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with:
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name: codecoverage
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path: /Users/runner/*.xcresult
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```
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Add the job name to the [`needs` of `create_report` job](https://github.com/firebase/firebase-ios-sdk/blob/64d50a7f7b3af104a88f9c9203285ae20ea309d4/.github/workflows/test_coverage.yml#L277).
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4. If this newsdk podspec has unit test setup, e.g. [database](https://github.com/firebase/firebase-ios-sdk/blob/64d50a7f7b3af104a88f9c9203285ae20ea309d4/FirebaseDatabase.podspec#L44-L57), with `unit_tests.scheme = { :code_coverage => true }`, the code coverage workflow should run unit tests through podspecs and utilize those coverage data and nothing is needed to update here. Otherwise, add [another way of running tests](https://github.com/firebase/firebase-ios-sdk/blob/64d50a7f7b3af104a88f9c9203285ae20ea309d4/scripts/code_coverage_report/pod_test_code_coverage_report.sh#L26) and generating xcresult bundles with code coverage data in pod_test_code_coverage_report.sh.
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