pulsar/spec/git-spec.coffee
2014-03-28 14:01:21 -07:00

293 lines
11 KiB
CoffeeScript

temp = require 'temp'
Git = require '../src/git'
fs = require 'fs-plus'
path = require 'path'
Task = require '../src/task'
describe "Git", ->
repo = null
beforeEach ->
gitPath = path.join(temp.dir, '.git')
fs.removeSync(gitPath) if fs.isDirectorySync(gitPath)
afterEach ->
repo.destroy() if repo?.repo?
describe "@open(path)", ->
it "returns null when no repository is found", ->
expect(Git.open(path.join(temp.dir, 'nogit.txt'))).toBeNull()
describe "new Git(path)", ->
it "throws an exception when no repository is found", ->
expect(-> new Git(path.join(temp.dir, 'nogit.txt'))).toThrow()
describe ".getPath()", ->
it "returns the repository path for a .git directory path", ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'master.git', 'HEAD'))
expect(repo.getPath()).toBe path.join(__dirname, 'fixtures', 'git', 'master.git')
it "returns the repository path for a repository path", ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'master.git'))
expect(repo.getPath()).toBe path.join(__dirname, 'fixtures', 'git', 'master.git')
describe ".isPathIgnored(path)", ->
it "returns true for an ignored path", ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'ignore.git'))
expect(repo.isPathIgnored('a.txt')).toBeTruthy()
it "returns false for a non-ignored path", ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'ignore.git'))
expect(repo.isPathIgnored('b.txt')).toBeFalsy()
describe ".isPathModified(path)", ->
[repo, filePath, newPath, originalPathText] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
filePath = require.resolve('./fixtures/git/working-dir/file.txt')
newPath = path.join(__dirname, 'fixtures', 'git', 'working-dir', 'new-path.txt')
originalPathText = fs.readFileSync(filePath, 'utf8')
afterEach ->
fs.writeFileSync(filePath, originalPathText)
fs.removeSync(newPath) if fs.existsSync(newPath)
describe "when the path is unstaged", ->
it "returns false if the path has not been modified", ->
expect(repo.isPathModified(filePath)).toBeFalsy()
it "returns true if the path is modified", ->
fs.writeFileSync(filePath, "change")
expect(repo.isPathModified(filePath)).toBeTruthy()
it "returns true if the path is deleted", ->
fs.removeSync(filePath)
expect(repo.isPathModified(filePath)).toBeTruthy()
it "returns false if the path is new", ->
expect(repo.isPathModified(newPath)).toBeFalsy()
describe ".isPathNew(path)", ->
[filePath, newPath] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
filePath = require.resolve('./fixtures/git/working-dir/file.txt')
newPath = path.join(__dirname, 'fixtures', 'git', 'working-dir', 'new-path.txt')
fs.writeFileSync(newPath, "i'm new here")
afterEach ->
fs.removeSync(newPath) if fs.existsSync(newPath)
describe "when the path is unstaged", ->
it "returns true if the path is new", ->
expect(repo.isPathNew(newPath)).toBeTruthy()
it "returns false if the path isn't new", ->
expect(repo.isPathNew(filePath)).toBeFalsy()
describe ".checkoutHead(path)", ->
[path1, path2, originalPath1Text, originalPath2Text] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
path1 = require.resolve('./fixtures/git/working-dir/file.txt')
originalPath1Text = fs.readFileSync(path1, 'utf8')
path2 = require.resolve('./fixtures/git/working-dir/other.txt')
originalPath2Text = fs.readFileSync(path2, 'utf8')
afterEach ->
fs.writeFileSync(path1, originalPath1Text)
fs.writeFileSync(path2, originalPath2Text)
it "no longer reports a path as modified after checkout", ->
expect(repo.isPathModified(path1)).toBeFalsy()
fs.writeFileSync(path1, '')
expect(repo.isPathModified(path1)).toBeTruthy()
expect(repo.checkoutHead(path1)).toBeTruthy()
expect(repo.isPathModified(path1)).toBeFalsy()
it "restores the contents of the path to the original text", ->
fs.writeFileSync(path1, '')
expect(repo.checkoutHead(path1)).toBeTruthy()
expect(fs.readFileSync(path1, 'utf8')).toBe(originalPath1Text)
it "only restores the path specified", ->
fs.writeFileSync(path2, 'path 2 is edited')
expect(repo.isPathModified(path2)).toBeTruthy()
expect(repo.checkoutHead(path1)).toBeTruthy()
expect(fs.readFileSync(path2, 'utf8')).toBe('path 2 is edited')
expect(repo.isPathModified(path2)).toBeTruthy()
it "fires a status-changed event if the checkout completes successfully", ->
fs.writeFileSync(path1, '')
repo.getPathStatus(path1)
statusHandler = jasmine.createSpy('statusHandler')
repo.on 'status-changed', statusHandler
repo.checkoutHead(path1)
expect(statusHandler.callCount).toBe 1
expect(statusHandler.argsForCall[0][0..1]).toEqual [path1, 0]
repo.checkoutHead(path1)
expect(statusHandler.callCount).toBe 1
describe ".destroy()", ->
it "throws an exception when any method is called after it is called", ->
repo = new Git(require.resolve('./fixtures/git/master.git/HEAD'))
repo.destroy()
expect(-> repo.getShortHead()).toThrow()
describe ".getDiffStats(path)", ->
[filePath, originalPathText] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
filePath = require.resolve('./fixtures/git/working-dir/file.txt')
originalPathText = fs.readFileSync(filePath, 'utf8')
afterEach ->
fs.writeFileSync(filePath, originalPathText)
it "returns the number of lines added and deleted", ->
expect(repo.getDiffStats(filePath)).toEqual {added: 0, deleted: 0}
fs.writeFileSync(filePath, "#{originalPathText} edited line")
expect(repo.getDiffStats(filePath)).toEqual {added: 1, deleted: 1}
describe ".getPathStatus(path)", ->
[filePath, originalPathText] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
filePath = require.resolve('./fixtures/git/working-dir/file.txt')
originalPathText = fs.readFileSync(filePath, 'utf8')
afterEach ->
fs.writeFileSync(filePath, originalPathText)
it "trigger a status-changed event when the new status differs from the last cached one", ->
statusHandler = jasmine.createSpy("statusHandler")
repo.on 'status-changed', statusHandler
fs.writeFileSync(filePath, '')
status = repo.getPathStatus(filePath)
expect(statusHandler.callCount).toBe 1
expect(statusHandler.argsForCall[0][0..1]).toEqual [filePath, status]
fs.writeFileSync(filePath, 'abc')
status = repo.getPathStatus(filePath)
expect(statusHandler.callCount).toBe 1
describe ".getDirectoryStatus(path)", ->
[directoryPath, filePath, originalPathText] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
directoryPath = path.join(__dirname, 'fixtures', 'git', 'working-dir', 'dir')
filePath = require.resolve('./fixtures/git/working-dir/dir/b.txt')
originalPathText = fs.readFileSync(filePath, 'utf8')
afterEach ->
fs.writeFileSync(filePath, originalPathText)
it "gets the status based on the files inside the directory", ->
expect(repo.isStatusModified(repo.getDirectoryStatus(directoryPath))).toBe false
fs.writeFileSync(filePath, 'abc')
repo.getPathStatus(filePath)
expect(repo.isStatusModified(repo.getDirectoryStatus(directoryPath))).toBe true
describe ".refreshStatus()", ->
[newPath, modifiedPath, cleanPath, originalModifiedPathText] = []
beforeEach ->
repo = new Git(path.join(__dirname, 'fixtures', 'git', 'working-dir'))
modifiedPath = atom.project.resolve('git/working-dir/file.txt')
originalModifiedPathText = fs.readFileSync(modifiedPath, 'utf8')
newPath = atom.project.resolve('git/working-dir/untracked.txt')
cleanPath = atom.project.resolve('git/working-dir/other.txt')
fs.writeFileSync(newPath, '')
newPath = fs.absolute newPath # specs could be running under symbol path.
afterEach ->
fs.writeFileSync(modifiedPath, originalModifiedPathText)
fs.removeSync(newPath) if fs.existsSync(newPath)
it "returns status information for all new and modified files", ->
fs.writeFileSync(modifiedPath, 'making this path modified')
statusHandler = jasmine.createSpy('statusHandler')
repo.on 'statuses-changed', statusHandler
repo.refreshStatus()
waitsFor ->
statusHandler.callCount > 0
runs ->
expect(repo.getCachedPathStatus(cleanPath)).toBeUndefined()
expect(repo.isStatusNew(repo.getCachedPathStatus(newPath))).toBeTruthy()
expect(repo.isStatusModified(repo.getCachedPathStatus(modifiedPath))).toBeTruthy()
describe "buffer events", ->
[originalContent, editor] = []
beforeEach ->
editor = atom.project.openSync('sample.js')
originalContent = editor.getText()
afterEach ->
fs.writeFileSync(editor.getPath(), originalContent)
it "emits a status-changed event when a buffer is saved", ->
editor.insertNewline()
statusHandler = jasmine.createSpy('statusHandler')
atom.project.getRepo().on 'status-changed', statusHandler
editor.save()
expect(statusHandler.callCount).toBe 1
expect(statusHandler).toHaveBeenCalledWith editor.getPath(), 256
it "emits a status-changed event when a buffer is reloaded", ->
fs.writeFileSync(editor.getPath(), 'changed')
statusHandler = jasmine.createSpy('statusHandler')
atom.project.getRepo().on 'status-changed', statusHandler
editor.getBuffer().reload()
expect(statusHandler.callCount).toBe 1
expect(statusHandler).toHaveBeenCalledWith editor.getPath(), 256
editor.getBuffer().reload()
expect(statusHandler.callCount).toBe 1
it "emits a status-changed event when a buffer's path changes", ->
fs.writeFileSync(editor.getPath(), 'changed')
statusHandler = jasmine.createSpy('statusHandler')
atom.project.getRepo().on 'status-changed', statusHandler
editor.getBuffer().emit 'path-changed'
expect(statusHandler.callCount).toBe 1
expect(statusHandler).toHaveBeenCalledWith editor.getPath(), 256
editor.getBuffer().emit 'path-changed'
expect(statusHandler.callCount).toBe 1
describe "when a project is deserialized", ->
[originalContent, buffer, project2] = []
afterEach ->
fs.writeFileSync(buffer.getPath(), originalContent)
project2?.destroy()
it "subscribes to all the serialized buffers in the project", ->
atom.project.openSync('sample.js')
project2 = atom.project.testSerialization()
buffer = project2.getBuffers()[0]
waitsFor ->
buffer.loaded
runs ->
originalContent = buffer.getText()
buffer.append('changes')
statusHandler = jasmine.createSpy('statusHandler')
project2.getRepo().on 'status-changed', statusHandler
buffer.save()
expect(statusHandler.callCount).toBe 1
expect(statusHandler).toHaveBeenCalledWith buffer.getPath(), 256