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CI: Track backend code coverage (#100856)

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* CI: Track backend code coverage

This is a super rudimentary way to track this coverage. The important bit for me is the ability to extract the coverage
files.

* CI: Allow tests to fail

* Codeowners: Assign ownership of coverage tracking

* CI: Join coverage info in the job

* CI: Attempt to parallellise tests

* CI: Upload despite failures

* CI: Pattern is not regex

* CI: Set up repository and Go before merging

* CI: Generate go before checking coverage

* CI: Multi-line string

* CI: Backticks execute commands; avoid them

* CI: Make the output a bit prettier

Tabs are absurdly large.

* CI: Remove comment on retention
This commit is contained in:
Mariell Hoversholm
2025-02-18 14:35:06 +01:00
committed by GitHub
parent 46a537aa02
commit 6f9fc8fa0c
4 changed files with 100 additions and 3 deletions
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.github/workflows/backend-coverage.yml
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name: Backend Coverage (OSS)
on:
push:
paths:
- pkg/**
- .github/workflows/backend-coverage.yml
- go.*
branches:
- main
pull_request:
jobs:
unit-tests:
name: Run unit tests (OSS)
runs-on: ubuntu-latest
if: github.repository == 'grafana/grafana'
steps:
- name: Check out repository
uses: actions/checkout@v4.2.2
- name: Setup Go environment
uses: actions/setup-go@v5.3.0
with:
go-version-file: go.work
- name: Run tests
run: make gen-go test-go-unit
- name: Upload coverage file
uses: actions/upload-artifact@v4
if: success() || failure()
with:
name: unit-cov
path: unit.cov
retention-days: 1
compression-level: 9 # this is raw text, and includes a _lot_ of repetition. compressing it should yield pretty good results.
integration-tests:
name: Run integration tests (OSS)
runs-on: ubuntu-latest
if: github.repository == 'grafana/grafana'
steps:
- name: Check out repository
uses: actions/checkout@v4.2.2
- name: Setup Go environment
uses: actions/setup-go@v5.3.0
with:
go-version-file: go.work
- name: Run tests
run: make gen-go test-go-integration
- name: Upload coverage file
uses: actions/upload-artifact@v4
if: success() || failure()
with:
name: integration-cov
path: integration.cov
retention-days: 1
compression-level: 9 # this is raw text, and includes a _lot_ of repetition. compressing it should yield pretty good results.
report-coverage:
name: Report coverage from unit and integration tests (OSS)
needs: [unit-tests, integration-tests]
runs-on: ubuntu-latest
# we don't do always() so as to not run even if the workflow is cancelled
if: github.repository == 'grafana/grafana' && (success() || failure())
steps:
- name: Check out repository
uses: actions/checkout@v4.2.2
- name: Setup Go environment
uses: actions/setup-go@v5.3.0
with:
go-version-file: go.work
- name: Generate Go
run: make gen-go
- uses: actions/download-artifact@v4
with:
pattern: '*-cov'
path: .
merge-multiple: true
- name: Join coverage outputs
run: |
cp unit.cov backend.cov
tail -n+2 integration.cov >> backend.cov
- name: Convert coverage info to per-func stats
run: go tool cover -func backend.cov > backend-funcs.log
- name: Upload coverage file
uses: actions/upload-artifact@v4
with:
name: backend-cov
path: |
backend.cov
backend-funcs.log
retention-days: 30
compression-level: 9 # this is raw text, and includes a _lot_ of repetition. compressing it should yield pretty good results.
- name: Set summary to total coverage
# We use single quotes here to disable the bash backtick behaviour of executing commands.
run: |
echo '# Coverage' >> $GITHUB_STEP_SUMMARY
echo '```' >> $GITHUB_STEP_SUMMARY
grep 'total:' backend-funcs.log | tr '\t' ' ' >> $GITHUB_STEP_SUMMARY
echo '```' >> $GITHUB_STEP_SUMMARY