Files
labeler/__tests__/main.test.ts
2023-10-24 12:11:31 +02:00

509 lines
15 KiB
TypeScript

import {run} from '../src/labeler';
import * as github from '@actions/github';
import * as core from '@actions/core';
import path from 'path';
import fs from 'fs';
jest.mock('@actions/core');
jest.mock('@actions/github');
const gh = github.getOctokit('_');
const setLabelsMock = jest.spyOn(gh.rest.issues, 'setLabels');
const reposMock = jest.spyOn(gh.rest.repos, 'getContent');
const paginateMock = jest.spyOn(gh, 'paginate');
const getPullMock = jest.spyOn(gh.rest.pulls, 'get');
const readFileSyncMock = jest.spyOn(fs, 'readFileSync');
const existsSyncMock = jest.spyOn(fs, 'existsSync');
const coreErrorMock = jest.spyOn(core, 'error');
const coreWarningMock = jest.spyOn(core, 'warning');
const coreSetFailedMock = jest.spyOn(core, 'setFailed');
const setOutputSpy = jest.spyOn(core, 'setOutput');
class HttpError extends Error {
constructor(message: string) {
super(message);
this.name = 'HttpError';
}
}
class NotFound extends Error {
constructor(message: string) {
super(message);
this.name = 'NotFound';
}
}
const yamlFixtures = {
'branches.yml': fs.readFileSync('__tests__/fixtures/branches.yml'),
'only_pdfs.yml': fs.readFileSync('__tests__/fixtures/only_pdfs.yml'),
'not_supported.yml': fs.readFileSync('__tests__/fixtures/not_supported.yml'),
'any_and_all.yml': fs.readFileSync('__tests__/fixtures/any_and_all.yml')
};
const configureInput = (
mockInput: Partial<{
'repo-token': string;
'configuration-path': string;
'sync-labels': boolean;
dot: boolean;
'pr-number': string[];
}>
) => {
jest
.spyOn(core, 'getInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
jest
.spyOn(core, 'getMultilineInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
jest
.spyOn(core, 'getBooleanInput')
.mockImplementation((name: string, ...opts) => mockInput[name]);
};
afterAll(() => jest.restoreAllMocks());
describe('run', () => {
it('(with dot: false) adds labels to PRs that match our glob patterns', async () => {
configureInput({});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');
getPullMock.mockResolvedValue(<any>{
data: {
labels: []
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'touched-a-pdf-file'
);
});
it('(with dot: true) adds labels to PRs that match our glob patterns', async () => {
configureInput({dot: true});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('.foo.pdf');
getPullMock.mockResolvedValue(<any>{
data: {
labels: []
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'touched-a-pdf-file'
);
});
it('(with dot: false) does not add labels to PRs that do not match our glob patterns', async () => {
configureInput({});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('.foo.pdf');
getPullMock.mockResolvedValue(<any>{
data: {
labels: []
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', '');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', '');
});
it('(with dot: true) does not add labels to PRs that do not match our glob patterns', async () => {
configureInput({dot: true});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.txt');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
});
it('does not add a label when the match config options are not supported', async () => {
configureInput({});
usingLabelerConfigYaml('not_supported.yml');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
});
it('adds labels based on the branch names that match the regexp pattern', async () => {
configureInput({});
github.context.payload.pull_request!.head = {ref: 'test/testing-time'};
usingLabelerConfigYaml('branches.yml');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['test-branch']
});
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', 'test-branch');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', 'test-branch');
});
it('adds multiple labels based on branch names that match different regexp patterns', async () => {
configureInput({});
github.context.payload.pull_request!.head = {
ref: 'test/feature/123'
};
usingLabelerConfigYaml('branches.yml');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['test-branch', 'feature-branch']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'test-branch,feature-branch'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'test-branch,feature-branch'
);
});
it('can support multiple branches by batching', async () => {
configureInput({});
github.context.payload.pull_request!.head = {ref: 'fix/123'};
usingLabelerConfigYaml('branches.yml');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['bug-branch']
});
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', 'bug-branch');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', 'bug-branch');
});
it('can support multiple branches by providing an array', async () => {
configureInput({});
github.context.payload.pull_request!.head = {ref: 'array/123'};
usingLabelerConfigYaml('branches.yml');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['array-branch']
});
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', 'array-branch');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', 'array-branch');
});
it('adds a label when matching any and all patterns are provided', async () => {
configureInput({});
usingLabelerConfigYaml('any_and_all.yml');
mockGitHubResponseChangedFiles('tests/test.ts');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['tests']
});
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', 'tests');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', 'tests');
});
it('does not add a label when not all any and all patterns are matched', async () => {
configureInput({});
usingLabelerConfigYaml('any_and_all.yml');
mockGitHubResponseChangedFiles('tests/requirements.txt');
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
});
it('(with sync-labels: true) it deletes preexisting PR labels that no longer match the glob pattern', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'sync-labels': true
});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.txt');
getPullMock.mockResolvedValue(<any>{
data: {
labels: [{name: 'touched-a-pdf-file'}, {name: 'manually-added'}]
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 123,
labels: ['manually-added']
});
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', '');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', 'manually-added');
});
it('(with sync-labels: false) it issues no delete calls even when there are preexisting PR labels that no longer match the glob pattern', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'sync-labels': false
});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.txt');
getPullMock.mockResolvedValue(<any>{
data: {
labels: [{name: 'touched-a-pdf-file'}, {name: 'manually-added'}]
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', '');
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'touched-a-pdf-file,manually-added'
);
});
it('(with sync-labels: false) it only logs the excess labels', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'sync-labels': false
});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');
const existingLabels = Array.from({length: 100}).map((_, idx) => ({
name: `existing-label-${idx}`
}));
getPullMock.mockResolvedValue(<any>{
data: {
labels: existingLabels
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
expect(coreWarningMock).toHaveBeenCalledTimes(1);
expect(coreWarningMock).toHaveBeenCalledWith(
'Maximum of 100 labels allowed. Excess labels: touched-a-pdf-file',
{title: 'Label limit for a PR exceeded'}
);
const allLabels: string = existingLabels.map(i => i.name).join(',');
expect(setOutputSpy).toHaveBeenCalledWith('new-labels', '');
expect(setOutputSpy).toHaveBeenCalledWith('all-labels', allLabels);
});
it('(with pr-number: array of one item, uses the PR number specified in the parameters', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'pr-number': ['104']
});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');
getPullMock.mockResolvedValue(<any>{
data: {
labels: [{name: 'manually-added'}]
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(1);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 104,
labels: ['manually-added', 'touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'manually-added,touched-a-pdf-file'
);
});
it('(with pr-number: array of two items, uses the PR number specified in the parameters', async () => {
configureInput({
'repo-token': 'foo',
'configuration-path': 'bar',
'pr-number': ['104', '150']
});
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles('foo.pdf');
getPullMock.mockResolvedValueOnce(<any>{
data: {
labels: [{name: 'manually-added'}]
}
});
getPullMock.mockResolvedValueOnce(<any>{
data: {
labels: []
}
});
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(2);
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 104,
labels: ['manually-added', 'touched-a-pdf-file']
});
expect(setLabelsMock).toHaveBeenCalledWith({
owner: 'monalisa',
repo: 'helloworld',
issue_number: 150,
labels: ['touched-a-pdf-file']
});
expect(setOutputSpy).toHaveBeenCalledWith(
'new-labels',
'touched-a-pdf-file'
);
expect(setOutputSpy).toHaveBeenCalledWith(
'all-labels',
'manually-added,touched-a-pdf-file'
);
});
it('does not add labels to PRs that have no changed files', async () => {
usingLabelerConfigYaml('only_pdfs.yml');
mockGitHubResponseChangedFiles();
await run();
expect(setLabelsMock).toHaveBeenCalledTimes(0);
});
it('should use local configuration file if it exists', async () => {
const configFile = 'only_pdfs.yml';
const configFilePath = path.join(__dirname, 'fixtures', configFile);
mockGitHubResponseChangedFiles('foo.pdf');
const readFileSyncOptions = {encoding: 'utf8'};
configureInput({
'configuration-path': configFilePath
});
await run();
expect(existsSyncMock).toHaveBeenCalledWith(configFilePath);
expect(readFileSyncMock).toHaveBeenCalledWith(
configFilePath,
readFileSyncOptions
);
expect(reposMock).not.toHaveBeenCalled();
});
it('should fetch configuration file from API if it does not exist locally', async () => {
const configFilePath = 'non_existed_path/labeler.yml';
mockGitHubResponseChangedFiles('foo.pdf');
configureInput({
'configuration-path': configFilePath
});
await run();
expect(existsSyncMock).toHaveBeenCalledWith(configFilePath);
expect(readFileSyncMock).not.toHaveBeenCalled();
expect(reposMock).toHaveBeenCalled();
});
test.each([
[new HttpError('Error message')],
[new NotFound('Error message')]
])(
'should warn if configuration file could not be fetched through the API, log error and fail the action',
async error => {
const configFilePath = 'non_existed_path/labeler.yml';
reposMock.mockImplementation(() => {
throw error;
});
const warningMessage = `The config file was not found at ${configFilePath}. Make sure it exists and that this action has the correct access rights.`;
mockGitHubResponseChangedFiles('foo.pdf');
configureInput({
'configuration-path': configFilePath
});
await run();
expect(coreWarningMock).toHaveBeenCalledWith(warningMessage);
expect(coreErrorMock).toHaveBeenCalledWith(error);
expect(coreSetFailedMock).toHaveBeenCalledWith(error.message);
}
);
});
function usingLabelerConfigYaml(fixtureName: keyof typeof yamlFixtures): void {
reposMock.mockResolvedValue(<any>{
data: {content: yamlFixtures[fixtureName], encoding: 'utf8'}
});
}
function mockGitHubResponseChangedFiles(...files: string[]): void {
const returnValue = files.map(f => ({filename: f}));
paginateMock.mockReturnValue(<any>returnValue);
}