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cache.test.ts
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cache.test.ts
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import { mkdtempSync } from 'fs';
import { tmpdir } from 'os';
import { join } from 'path';
import { restore, save } from '../src/cache';
import * as fs from 'fs';
import * as os from 'os';
import * as core from '@actions/core';
import * as cache from '@actions/cache';
describe('dependency cache', () => {
const ORIGINAL_RUNNER_OS = process.env['RUNNER_OS'];
const ORIGINAL_GITHUB_WORKSPACE = process.env['GITHUB_WORKSPACE'];
const ORIGINAL_CWD = process.cwd();
let workspace: string;
let spyInfo: jest.SpyInstance<void, Parameters<typeof core.info>>;
let spyWarning: jest.SpyInstance<void, Parameters<typeof core.warning>>;
beforeEach(() => {
workspace = mkdtempSync(join(tmpdir(), 'setup-java-cache-'));
switch (os.platform()) {
case 'darwin':
process.env['RUNNER_OS'] = 'macOS';
break;
case 'win32':
process.env['RUNNER_OS'] = 'Windows';
break;
case 'linux':
process.env['RUNNER_OS'] = 'Linux';
break;
default:
throw new Error(`unknown platform: ${os.platform()}`);
}
process.chdir(workspace);
// This hack is necessary because @actions/glob ignores files not in the GITHUB_WORKSPACE
// https://git.io/Jcxig
process.env['GITHUB_WORKSPACE'] = projectRoot(workspace);
});
beforeEach(() => {
spyInfo = jest.spyOn(core, 'info');
spyWarning = jest.spyOn(core, 'warning');
});
afterEach(() => {
process.chdir(ORIGINAL_CWD);
process.env['GITHUB_WORKSPACE'] = ORIGINAL_GITHUB_WORKSPACE;
process.env['RUNNER_OS'] = ORIGINAL_RUNNER_OS;
resetState();
});
describe('restore', () => {
let spyCacheRestore: jest.SpyInstance<
ReturnType<typeof cache.restoreCache>,
Parameters<typeof cache.restoreCache>
>;
beforeEach(() => {
spyCacheRestore = jest
.spyOn(cache, 'restoreCache')
.mockImplementation((paths: string[], primaryKey: string) => Promise.resolve(undefined));
});
it('throws error if unsupported package manager specified', () => {
return expect(restore('ant')).rejects.toThrowError('unknown package manager specified: ant');
});
describe('for maven', () => {
it('throws error if no pom.xml found', async () => {
await expect(restore('maven')).rejects.toThrowError(
`No file in ${projectRoot(
workspace
)} matched to [**/pom.xml], make sure you have checked out the target repository`
);
});
it('downloads cache', async () => {
createFile(join(workspace, 'pom.xml'));
await restore('maven');
expect(spyCacheRestore).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith('maven cache is not found');
});
});
describe('for gradle', () => {
it('throws error if no build.gradle found', async () => {
await expect(restore('gradle')).rejects.toThrowError(
`No file in ${projectRoot(
workspace
)} matched to [**/*.gradle*,**/gradle-wrapper.properties], make sure you have checked out the target repository`
);
});
it('downloads cache based on build.gradle', async () => {
createFile(join(workspace, 'build.gradle'));
await restore('gradle');
expect(spyCacheRestore).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith('gradle cache is not found');
});
it('downloads cache based on build.gradle.kts', async () => {
createFile(join(workspace, 'build.gradle.kts'));
await restore('gradle');
expect(spyCacheRestore).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith('gradle cache is not found');
});
});
});
describe('save', () => {
let spyCacheSave: jest.SpyInstance<
ReturnType<typeof cache.saveCache>,
Parameters<typeof cache.saveCache>
>;
beforeEach(() => {
spyCacheSave = jest
.spyOn(cache, 'saveCache')
.mockImplementation((paths: string[], key: string) => Promise.resolve(0));
});
it('throws error if unsupported package manager specified', () => {
return expect(save('ant')).rejects.toThrowError('unknown package manager specified: ant');
});
describe('for maven', () => {
it('uploads cache even if no pom.xml found', async () => {
createStateForMissingBuildFile();
await save('maven');
expect(spyCacheSave).toBeCalled();
expect(spyWarning).not.toBeCalled();
});
it('does not upload cache if no restore run before', async () => {
createFile(join(workspace, 'pom.xml'));
await save('maven');
expect(spyCacheSave).not.toBeCalled();
expect(spyWarning).toBeCalledWith('Error retrieving key from state.');
});
it('uploads cache', async () => {
createFile(join(workspace, 'pom.xml'));
createStateForSuccessfulRestore();
await save('maven');
expect(spyCacheSave).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith(expect.stringMatching(/^Cache saved with the key:.*/));
});
});
describe('for gradle', () => {
it('uploads cache even if no build.gradle found', async () => {
createStateForMissingBuildFile();
await save('gradle');
expect(spyCacheSave).toBeCalled();
expect(spyWarning).not.toBeCalled();
});
it('does not upload cache if no restore run before', async () => {
createFile(join(workspace, 'build.gradle'));
await save('gradle');
expect(spyCacheSave).not.toBeCalled();
expect(spyWarning).toBeCalledWith('Error retrieving key from state.');
});
it('uploads cache based on build.gradle', async () => {
createFile(join(workspace, 'build.gradle'));
createStateForSuccessfulRestore();
await save('gradle');
expect(spyCacheSave).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith(expect.stringMatching(/^Cache saved with the key:.*/));
});
it('uploads cache based on build.gradle.kts', async () => {
createFile(join(workspace, 'build.gradle.kts'));
createStateForSuccessfulRestore();
await save('gradle');
expect(spyCacheSave).toBeCalled();
expect(spyWarning).not.toBeCalled();
expect(spyInfo).toBeCalledWith(expect.stringMatching(/^Cache saved with the key:.*/));
});
});
});
});
function resetState() {
jest.spyOn(core, 'getState').mockReset();
}
/**
* Create states to emulate a restore process without build file.
*/
function createStateForMissingBuildFile() {
jest.spyOn(core, 'getState').mockImplementation(name => {
switch (name) {
case 'cache-primary-key':
return 'setup-java-cache-';
default:
return '';
}
});
}
/**
* Create states to emulate a successful restore process.
*/
function createStateForSuccessfulRestore() {
jest.spyOn(core, 'getState').mockImplementation(name => {
switch (name) {
case 'cache-primary-key':
return 'setup-java-cache-primary-key';
case 'cache-matched-key':
return 'setup-java-cache-matched-key';
default:
return '';
}
});
}
function createFile(path: string) {
core.info(`created a file at ${path}`);
fs.writeFileSync(path, '');
}
function projectRoot(workspace: string): string {
if (os.platform() === 'darwin') {
return `/private${workspace}`;
} else {
return workspace;
}
}