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test: cover gh-repository shallow-clone rollback and clone args #370

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ktrz merged 3 commits into from
Sep 15, 2026
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Merged

test: cover gh-repository shallow-clone rollback and clone args #370

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1d99bf8
test: cover shallow clone args and gh-repository retry rollback
ktrz Sep 15, 2026
3a8d2aa
docs: explain shallow clone of the gh-repository pages branch
ktrz Sep 15, 2026
5426c18
test: cover index.html recreation in addIndexHtmlIfNeeded
ktrz Sep 15, 2026
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3 changes: 2 additions & 1 deletion README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -309,7 +309,8 @@ jobs:
The step which runs `github-action-benchmark` does followings:

1. Extract benchmark result from the output in `output.txt`
2. Switch branch to `gh-pages`
2. Switch branch to `gh-pages` (when `gh-repository` is set, the action instead shallow-clones only the
`gh-pages` branch of that repository)
3. Read existing benchmark results from `dev/bench/data.js`
4. Update `dev/bench/data.js` with the extracted benchmark result
5. Generate a commit to store the update in `gh-pages` branch
Expand Down
2 changes: 2 additions & 0 deletions src/write.ts
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Expand Up @@ -367,6 +367,8 @@ async function writeBenchmarkToGitHubPagesWithRetry(

if (githubToken && !skipFetchGhPages && ghRepository) {
benchmarkBaseDir = './benchmark-data-repository';
// Shallow, single-branch clone: only the tip of the pages branch is needed. Full clones of large
// repositories can take 20+ minutes and widen the window for push contention with other runs.
await git.clone(
githubToken,
ghRepository,
Expand Down
36 changes: 35 additions & 1 deletion test/git.spec.ts
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Original file line number Diff line number Diff line change
@@ -1,5 +1,5 @@
import { deepStrictEqual as eq, notDeepStrictEqual as neq, strict as A } from 'assert';
import { cmd, getServerUrl, pull, push, fetch } from '../src/git';
import { cmd, getServerUrl, pull, push, fetch, clone } from '../src/git';

interface ExecOptions {
listeners: {
Expand Down Expand Up @@ -217,4 +217,38 @@ describe('git', function () {
eq(args[1], userArgs.concat(['fetch', 'origin', 'my-branch:my-branch', 'opt1', 'opt2']));
});
});

describe('clone()', function () {
it('runs `git clone` with given repository, directory and options', async function () {
const stdout = await clone(
'this-is-token',
'github.com/user/other-repo',
'./benchmark-data-repository',
[],
'--branch',
'my-branch',
'--single-branch',
'--depth',
'1',
);
const args = fakedExec.lastArgs;

eq(stdout, 'this is test');
ok(args);
eq(args[0], 'git');
eq(
args[1],
userArgs.concat([
'clone',
'https://x-access-token:this-is-token@github.com/user/other-repo.git',
'./benchmark-data-repository',
'--branch',
'my-branch',
'--single-branch',
'--depth',
'1',
]),
);
});
});
});
174 changes: 74 additions & 100 deletions test/write.spec.ts
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Expand Up @@ -51,6 +51,7 @@ class GitSpy {
}
}
const gitSpy = new GitSpy();
const rmRFSpy: string[] = [];

interface RepositoryPayloadSubset {
private: boolean;
Expand Down Expand Up @@ -111,6 +112,12 @@ jest.mock('../src/git', () => ({
return '';
},
}));
jest.mock('@actions/io', () => ({
...jest.requireActual('@actions/io'),
async rmRF(inputPath: string) {
rmRFSpy.push(inputPath); // Record only; do not delete test fixtures on rollback
},
}));

describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBenchmark() - %s', function (serverUrl) {
const savedCwd = process.cwd();
Expand All @@ -123,6 +130,7 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
jest.unmock('@actions/core');
jest.unmock('@actions/github');
jest.unmock('../src/git');
jest.unmock('@actions/io');
process.chdir(savedCwd);
});

Expand Down Expand Up @@ -936,6 +944,7 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
});
afterEach(async function () {
gitSpy.clear();
rmRFSpy.length = 0;
delete (global as any).window;
for (const p of [
path.join('data-dir', 'data.js'),
Expand Down Expand Up @@ -1035,6 +1044,44 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
return hist.filter((x: [GitFunc, unknown[]] | undefined): x is [GitFunc, unknown[]] => x !== undefined);
}

const otherRepoGitArgs = [
'--work-tree=./benchmark-data-repository',
'--git-dir=./benchmark-data-repository/.git',
];

function otherRepoGitHistory(cfg: { addIndexHtml?: boolean } = {}): [GitFunc, unknown[]][] {
const addIndexHtml = cfg.addIndexHtml ?? true;
const hist: Array<[GitFunc, unknown[]] | undefined> = [
[
'clone',
[
'dummy token',
'https://github.com/user/other-repo',
'./benchmark-data-repository',
[],
'--branch',
'gh-pages',
'--single-branch',
'--depth',
'1',
],
],
['cmd', [otherRepoGitArgs, 'add', path.join('data-dir', 'data.js')]],
addIndexHtml ? ['cmd', [otherRepoGitArgs, 'add', path.join('data-dir', 'index.html')]] : undefined,
[
'cmd',
[
otherRepoGitArgs,
'commit',
'-m',
'add Test benchmark (cargo) benchmark result for current commit id',
],
],
['push', ['dummy token', 'https://github.com/user/other-repo', 'gh-pages', otherRepoGitArgs]],
];
return hist.filter((x: [GitFunc, unknown[]] | undefined): x is [GitFunc, unknown[]] => x !== undefined);
}

const normalCases: Array<{
it: string;
config: Config;
Expand Down Expand Up @@ -1083,56 +1130,7 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
benches: [bench('bench_fib_10', 135)],
},
gitServerUrl: serverUrl,
gitHistory: [
[
'clone',
[
'dummy token',
'https://github.com/user/other-repo',
'./benchmark-data-repository',
[],
'--branch',
'gh-pages',
'--single-branch',
'--depth',
'1',
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'add',
path.join('data-dir', 'data.js'),
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'add',
path.join('data-dir', 'index.html'),
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'commit',
'-m',
'add Test benchmark (cargo) benchmark result for current commit id',
],
],
[
'push',
[
'dummy token',
'https://github.com/user/other-repo',
'gh-pages',
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
],
],
],
gitHistory: otherRepoGitHistory(),
expectedDataBaseDirectory: 'benchmark-data-repository',
},
{
Expand All @@ -1148,56 +1146,7 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
benches: [bench('bench_fib_10', 135)],
},
gitServerUrl: serverUrl,
gitHistory: [
[
'clone',
[
'dummy token',
'https://github.com/user/other-repo',
'./benchmark-data-repository',
[],
'--branch',
'gh-pages',
'--single-branch',
'--depth',
'1',
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'add',
path.join('data-dir', 'data.js'),
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'add',
path.join('data-dir', 'index.html'),
],
],
[
'cmd',
[
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
'commit',
'-m',
'add Test benchmark (cargo) benchmark result for current commit id',
],
],
[
'push',
[
'dummy token',
'https://github.com/user/other-repo',
'gh-pages',
['--work-tree=./benchmark-data-repository', '--git-dir=./benchmark-data-repository/.git'],
],
],
],
gitHistory: otherRepoGitHistory(),
expectedDataBaseDirectory: 'benchmark-data-repository',
},
{
Expand Down Expand Up @@ -1495,5 +1444,30 @@ describe.each(['https://github.com', 'https://github.enterprise.corp'])('writeBe
ok(t.error.test(err.message), `'${err.message}' did not match to ${t.error}`);
}
});

it('re-clones other repository after rollback when push is rejected', async function () {
gitSpy.pushFailure = '... [remote rejected] ...';
gitSpy.pushFailureCount = 1;
const config = { ...defaultCfg, ghRepository: 'https://github.com/user/other-repo' };
const added: Benchmark = {
commit: commit('current commit id'),
date: lastUpdate,
tool: 'cargo',
benches: [bench('bench_fib_10', 135)],
};

const dataDirPath = path.join('benchmark-data-repository', config.benchmarkDataDirPath);
await fs.copyFile(path.join(dataDirPath, 'original_data.js'), path.join(dataDirPath, 'data.js'));

await writeBenchmark(added, config);

expect(gitSpy.history).toEqual([
...otherRepoGitHistory(),
['cmd', [otherRepoGitArgs, 'reset', '--hard', 'HEAD~1']],
// index.html created by the first attempt survives because rmRF is mocked, so it is not added again
...otherRepoGitHistory({ addIndexHtml: false }),
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]);
expect(rmRFSpy).toEqual(['./benchmark-data-repository']);
});
});
});
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