/
npm.spec.ts
206 lines (202 loc) · 7.11 KB
/
npm.spec.ts
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import { exec as _exec } from 'child_process';
import upath from 'upath';
import { envMock, mockExecAll } from '../../../../test/exec-util';
import { mocked } from '../../../../test/util';
import { BinarySource } from '../../../util/exec/common';
import * as _env from '../../../util/exec/env';
import * as _fs from '../../../util/fs/proxies';
import * as npmHelper from './npm';
jest.mock('child_process');
jest.mock('../../../util/exec/env');
jest.mock('../../../util/fs/proxies');
jest.mock('./node-version');
const exec: jest.Mock<typeof _exec> = _exec as any;
const env = mocked(_env);
const fs = mocked(_fs);
describe('generateLockFile', () => {
beforeEach(() => {
jest.resetAllMocks();
jest.resetModules();
env.getChildProcessEnv.mockReturnValue(envMock.basic);
});
it('generates lock files', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const artifactUpdateApproach = 'deep';
const postUpdateOptions = ['npmDedupe'];
const updates = [
{ depName: 'some-dep', newVersion: '1.0.1', isLockfileUpdate: false },
];
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{ artifactUpdateApproach, postUpdateOptions },
updates
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('performs lock file updates', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const artifactUpdateApproach = 'shallow';
const updates = [
{ depName: 'some-dep', newVersion: '1.0.1', isLockfileUpdate: true },
];
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{ artifactUpdateApproach },
updates
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('performs npm-shrinkwrap.json updates', async () => {
const execSnapshots = mockExecAll(exec);
fs.pathExists.mockResolvedValueOnce(true);
fs.move = jest.fn();
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const artifactUpdateApproach = 'shallow';
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'npm-shrinkwrap.json',
{ artifactUpdateApproach }
);
expect(fs.pathExists).toHaveBeenCalledWith(
upath.join('some-dir', 'package-lock.json')
);
expect(fs.move).toHaveBeenCalledTimes(1);
expect(fs.move).toHaveBeenCalledWith(
upath.join('some-dir', 'package-lock.json'),
upath.join('some-dir', 'npm-shrinkwrap.json')
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(fs.readFile).toHaveBeenCalledWith(
upath.join('some-dir', 'npm-shrinkwrap.json'),
'utf8'
);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('performs npm-shrinkwrap.json updates (no package-lock.json)', async () => {
const execSnapshots = mockExecAll(exec);
fs.pathExists.mockResolvedValueOnce(false);
fs.move = jest.fn();
fs.readFile = jest.fn((_, _1) => 'package-lock-contents') as never;
const artifactUpdateApproach = 'shallow';
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'npm-shrinkwrap.json',
{ artifactUpdateApproach }
);
expect(fs.pathExists).toHaveBeenCalledWith(
upath.join('some-dir', 'package-lock.json')
);
expect(fs.move).toHaveBeenCalledTimes(0);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(fs.readFile).toHaveBeenCalledWith(
upath.join('some-dir', 'npm-shrinkwrap.json'),
'utf8'
);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('performs full install', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const artifactUpdateApproach = 'deep';
const binarySource = BinarySource.Global;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{ artifactUpdateApproach, binarySource }
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('runs twice if remediating', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const binarySource = BinarySource.Global;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{ binarySource },
[{ isRemediation: true }]
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.error).toBeUndefined();
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toHaveLength(2);
});
it('catches errors', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => {
throw new Error('not found');
}) as never;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json'
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.error).toBe(true);
expect(res.lockFile).not.toBeDefined();
expect(execSnapshots).toMatchSnapshot();
});
it('finds npm globally', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json'
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('uses docker npm', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{ binarySource: BinarySource.Docker, constraints: { npm: '^6.0.0' } }
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
it('performs lock file maintenance', async () => {
const execSnapshots = mockExecAll(exec);
fs.readFile = jest.fn(() => 'package-lock-contents') as never;
const res = await npmHelper.generateLockFile(
'some-dir',
{},
'package-lock.json',
{},
[{ isLockFileMaintenance: true }]
);
expect(fs.readFile).toHaveBeenCalledTimes(1);
expect(fs.remove).toHaveBeenCalledTimes(1);
expect(res.lockFile).toEqual('package-lock-contents');
expect(execSnapshots).toMatchSnapshot();
});
});