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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,80 @@ | ||
| 'use strict'; | ||
|
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| import { packageExists, promptInstallation, runCommand } from '../'; | ||
| import ExternalCommand from '../../webpack-cli/lib/commands/ExternalCommand'; | ||
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| describe('@webpack-cli/utils', () => { | ||
| it('should check existence of package', () => { | ||
| // use an actual path relative to the packageUtils file | ||
| expect(packageExists('../lib/package-exists')).toBeTruthy(); | ||
| expect(packageExists('./nonexistent-package')).toBeFalsy(); | ||
| }); | ||
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| it('should not throw if the user interrupts', async () => { | ||
| (promptInstallation as jest.Mock).mockImplementation(() => { | ||
| throw new Error(); | ||
| }); | ||
| await expect(ExternalCommand.run('info')).resolves.not.toThrow(); | ||
| }); | ||
| }); | ||
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| describe('promptInstallation', () => { | ||
| let packageUtils; | ||
| beforeAll(() => { | ||
| packageUtils = require('../lib/'); | ||
| packageUtils.getPackageManager = jest.fn(); | ||
| packageUtils.packageExists = jest.fn(() => true); | ||
| }); | ||
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| beforeEach(() => { | ||
| (runCommand as jest.Mock).mockClear(); | ||
| (prompt as jest.Mock).mockClear(); | ||
| }); | ||
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| it('should prompt to install using npm if npm is package manager', async () => { | ||
| packageUtils.getPackageManager.mockReturnValue('npm'); | ||
| (prompt as jest.Mock).mockReturnValue({ | ||
| installConfirm: true, | ||
| }); | ||
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| const preMessage = jest.fn(); | ||
| const promptResult = await packageUtils.promptInstallation('test-package', preMessage); | ||
| expect(promptResult).toBeTruthy(); | ||
| expect(preMessage.mock.calls.length).toEqual(1); | ||
| expect((prompt as jest.Mock).mock.calls.length).toEqual(1); | ||
| expect((runCommand as jest.Mock).mock.calls.length).toEqual(1); | ||
| expect((prompt as jest.Mock).mock.calls[0][0][0].message).toMatch(/Would you like to install test-package\?/); | ||
| // install the package using npm | ||
| expect((runCommand as jest.Mock).mock.calls[0][0]).toEqual('npm install -D test-package'); | ||
| }); | ||
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| it('should prompt to install using yarn if yarn is package manager', async () => { | ||
| packageUtils.getPackageManager.mockReturnValue('yarn'); | ||
| (prompt as jest.Mock).mockReturnValue({ | ||
| installConfirm: true, | ||
| }); | ||
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| const promptResult = await packageUtils.promptInstallation('test-package'); | ||
| expect(promptResult).toBeTruthy(); | ||
| expect((prompt as jest.Mock).mock.calls.length).toEqual(1); | ||
| expect((runCommand as jest.Mock).mock.calls.length).toEqual(1); | ||
| expect((prompt as jest.Mock).mock.calls[0][0][0].message).toMatch(/Would you like to install test-package\?/); | ||
| // install the package using yarn | ||
| expect((runCommand as jest.Mock).mock.calls[0][0]).toEqual('yarn add -D test-package'); | ||
| }); | ||
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| it('should not install if install is not confirmed', async () => { | ||
| packageUtils.getPackageManager.mockReturnValue('npm'); | ||
| (prompt as jest.Mock).mockReturnValue({ | ||
| installConfirm: false, | ||
| }); | ||
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| const promptResult = await packageUtils.promptInstallation('test-package'); | ||
| expect(promptResult).toBeUndefined(); | ||
| expect((prompt as jest.Mock).mock.calls.length).toEqual(1); | ||
| // runCommand should not be called, because the installation is not confirmed | ||
| expect((runCommand as jest.Mock).mock.calls.length).toEqual(0); | ||
| expect((prompt as jest.Mock).mock.calls[0][0][0].message).toMatch(/Would you like to install test-package\?/); | ||
| expect(process.exitCode).toEqual(2); | ||
| }); | ||
| }); |
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