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more unit tests and corresponding refactoring (#174)
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eric sciple
GitHub
382
__test__/git-directory-helper.test.ts
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382
__test__/git-directory-helper.test.ts
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import * as core from '@actions/core'
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import * as fs from 'fs'
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import * as gitDirectoryHelper from '../lib/git-directory-helper'
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import * as io from '@actions/io'
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import * as path from 'path'
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import {IGitCommandManager} from '../lib/git-command-manager'
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const testWorkspace = path.join(__dirname, '_temp', 'git-directory-helper')
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let repositoryPath: string
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let repositoryUrl: string
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let clean: boolean
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let git: IGitCommandManager
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describe('git-directory-helper tests', () => {
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beforeAll(async () => {
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// Clear test workspace
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await io.rmRF(testWorkspace)
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})
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beforeEach(() => {
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// Mock error/warning/info/debug
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jest.spyOn(core, 'error').mockImplementation(jest.fn())
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jest.spyOn(core, 'warning').mockImplementation(jest.fn())
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jest.spyOn(core, 'info').mockImplementation(jest.fn())
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jest.spyOn(core, 'debug').mockImplementation(jest.fn())
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})
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afterEach(() => {
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// Unregister mocks
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jest.restoreAllMocks()
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})
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const cleansWhenCleanTrue = 'cleans when clean true'
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it(cleansWhenCleanTrue, async () => {
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// Arrange
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await setup(cleansWhenCleanTrue)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.tryClean).toHaveBeenCalled()
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expect(git.tryReset).toHaveBeenCalled()
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expect(core.warning).not.toHaveBeenCalled()
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})
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const checkoutDetachWhenNotDetached = 'checkout detach when not detached'
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it(checkoutDetachWhenNotDetached, async () => {
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// Arrange
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await setup(checkoutDetachWhenNotDetached)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.checkoutDetach).toHaveBeenCalled()
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})
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const doesNotCheckoutDetachWhenNotAlreadyDetached =
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'does not checkout detach when already detached'
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it(doesNotCheckoutDetachWhenNotAlreadyDetached, async () => {
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// Arrange
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await setup(doesNotCheckoutDetachWhenNotAlreadyDetached)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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const mockIsDetached = git.isDetached as jest.Mock<any, any>
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mockIsDetached.mockImplementation(async () => {
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return true
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})
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.checkoutDetach).not.toHaveBeenCalled()
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})
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const doesNotCleanWhenCleanFalse = 'does not clean when clean false'
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it(doesNotCleanWhenCleanFalse, async () => {
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// Arrange
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await setup(doesNotCleanWhenCleanFalse)
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clean = false
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.isDetached).toHaveBeenCalled()
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expect(git.branchList).toHaveBeenCalled()
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expect(core.warning).not.toHaveBeenCalled()
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expect(git.tryClean).not.toHaveBeenCalled()
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expect(git.tryReset).not.toHaveBeenCalled()
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})
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const removesContentsWhenCleanFails = 'removes contents when clean fails'
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it(removesContentsWhenCleanFails, async () => {
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// Arrange
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await setup(removesContentsWhenCleanFails)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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let mockTryClean = git.tryClean as jest.Mock<any, any>
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mockTryClean.mockImplementation(async () => {
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return false
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})
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files).toHaveLength(0)
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expect(git.tryClean).toHaveBeenCalled()
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expect(core.warning).toHaveBeenCalled()
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expect(git.tryReset).not.toHaveBeenCalled()
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})
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const removesContentsWhenDifferentRepositoryUrl =
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'removes contents when different repository url'
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it(removesContentsWhenDifferentRepositoryUrl, async () => {
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// Arrange
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await setup(removesContentsWhenDifferentRepositoryUrl)
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clean = false
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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const differentRepositoryUrl =
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'https://github.com/my-different-org/my-different-repo'
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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differentRepositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files).toHaveLength(0)
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expect(core.warning).not.toHaveBeenCalled()
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expect(git.isDetached).not.toHaveBeenCalled()
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})
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const removesContentsWhenNoGitDirectory =
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'removes contents when no git directory'
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it(removesContentsWhenNoGitDirectory, async () => {
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// Arrange
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await setup(removesContentsWhenNoGitDirectory)
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clean = false
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await io.rmRF(path.join(repositoryPath, '.git'))
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files).toHaveLength(0)
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expect(core.warning).not.toHaveBeenCalled()
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expect(git.isDetached).not.toHaveBeenCalled()
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})
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const removesContentsWhenResetFails = 'removes contents when reset fails'
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it(removesContentsWhenResetFails, async () => {
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// Arrange
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await setup(removesContentsWhenResetFails)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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let mockTryReset = git.tryReset as jest.Mock<any, any>
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mockTryReset.mockImplementation(async () => {
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return false
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})
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files).toHaveLength(0)
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expect(git.tryClean).toHaveBeenCalled()
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expect(git.tryReset).toHaveBeenCalled()
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expect(core.warning).toHaveBeenCalled()
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})
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const removesContentsWhenUndefinedGitCommandManager =
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'removes contents when undefined git command manager'
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it(removesContentsWhenUndefinedGitCommandManager, async () => {
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// Arrange
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await setup(removesContentsWhenUndefinedGitCommandManager)
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clean = false
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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undefined,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files).toHaveLength(0)
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expect(core.warning).not.toHaveBeenCalled()
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})
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const removesLocalBranches = 'removes local branches'
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it(removesLocalBranches, async () => {
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// Arrange
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await setup(removesLocalBranches)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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const mockBranchList = git.branchList as jest.Mock<any, any>
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mockBranchList.mockImplementation(async (remote: boolean) => {
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return remote ? [] : ['local-branch-1', 'local-branch-2']
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})
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.branchDelete).toHaveBeenCalledWith(false, 'local-branch-1')
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expect(git.branchDelete).toHaveBeenCalledWith(false, 'local-branch-2')
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})
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const removesLockFiles = 'removes lock files'
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it(removesLockFiles, async () => {
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// Arrange
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await setup(removesLockFiles)
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clean = false
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await fs.promises.writeFile(
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path.join(repositoryPath, '.git', 'index.lock'),
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''
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)
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await fs.promises.writeFile(
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path.join(repositoryPath, '.git', 'shallow.lock'),
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''
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)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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let files = await fs.promises.readdir(path.join(repositoryPath, '.git'))
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expect(files).toHaveLength(0)
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files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.isDetached).toHaveBeenCalled()
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expect(git.branchList).toHaveBeenCalled()
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expect(core.warning).not.toHaveBeenCalled()
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expect(git.tryClean).not.toHaveBeenCalled()
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expect(git.tryReset).not.toHaveBeenCalled()
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})
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const removesRemoteBranches = 'removes local branches'
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it(removesRemoteBranches, async () => {
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// Arrange
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await setup(removesRemoteBranches)
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await fs.promises.writeFile(path.join(repositoryPath, 'my-file'), '')
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const mockBranchList = git.branchList as jest.Mock<any, any>
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mockBranchList.mockImplementation(async (remote: boolean) => {
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return remote ? ['remote-branch-1', 'remote-branch-2'] : []
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})
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// Act
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await gitDirectoryHelper.prepareExistingDirectory(
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git,
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repositoryPath,
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repositoryUrl,
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clean
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)
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// Assert
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const files = await fs.promises.readdir(repositoryPath)
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expect(files.sort()).toEqual(['.git', 'my-file'])
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expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-1')
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expect(git.branchDelete).toHaveBeenCalledWith(true, 'remote-branch-2')
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})
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})
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async function setup(testName: string): Promise<void> {
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testName = testName.replace(/[^a-zA-Z0-9_]+/g, '-')
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// Repository directory
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repositoryPath = path.join(testWorkspace, testName)
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await fs.promises.mkdir(path.join(repositoryPath, '.git'), {recursive: true})
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// Repository URL
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repositoryUrl = 'https://github.com/my-org/my-repo'
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// Clean
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clean = true
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// Git command manager
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git = {
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branchDelete: jest.fn(),
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branchExists: jest.fn(),
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branchList: jest.fn(async () => {
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return []
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}),
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checkout: jest.fn(),
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checkoutDetach: jest.fn(),
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config: jest.fn(),
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configExists: jest.fn(),
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fetch: jest.fn(),
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getWorkingDirectory: jest.fn(() => repositoryPath),
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init: jest.fn(),
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isDetached: jest.fn(),
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lfsFetch: jest.fn(),
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lfsInstall: jest.fn(),
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log1: jest.fn(),
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remoteAdd: jest.fn(),
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setEnvironmentVariable: jest.fn(),
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tagExists: jest.fn(),
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tryClean: jest.fn(async () => {
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return true
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}),
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tryConfigUnset: jest.fn(),
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tryDisableAutomaticGarbageCollection: jest.fn(),
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tryGetFetchUrl: jest.fn(async () => {
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// Sanity check - this function shouldn't be called when the .git directory doesn't exist
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await fs.promises.stat(path.join(repositoryPath, '.git'))
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return repositoryUrl
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}),
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tryReset: jest.fn(async () => {
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return true
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})
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}
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}
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