pulsar/spec/app/git-spec.coffee
2012-11-03 15:09:52 -07:00

124 lines
4.5 KiB
CoffeeScript

Git = require 'git'
fs = require 'fs'
describe "Git", ->
beforeEach ->
fs.remove('/tmp/.git') if fs.isDirectory('/tmp/.git')
describe ".getPath()", ->
it "returns the repository path for a .git directory path", ->
repo = new Git(require.resolve('fixtures/git/master.git/HEAD'))
expect(repo.getPath()).toBe require.resolve('fixtures/git/master.git') + '/'
it "returns the repository path for a repository path", ->
repo = new Git(require.resolve('fixtures/git/master.git'))
expect(repo.getPath()).toBe require.resolve('fixtures/git/master.git') + '/'
describe ".getHead()", ->
it "returns null for a non-repository", ->
repo = new Git('/tmp/nogit.txt')
expect(repo.getHead()).toBeNull
it "returns a branch name for a non-empty repository", ->
repo = new Git(require.resolve('fixtures/git/master.git'))
expect(repo.getHead()).toBe 'refs/heads/master'
describe ".getShortHead()", ->
it "returns null for a non-repository", ->
repo = new Git('/tmp/nogit.txt')
expect(repo.getShortHead()).toBeNull
it "returns a branch name for a non-empty repository", ->
repo = new Git(require.resolve('fixtures/git/master.git'))
expect(repo.getShortHead()).toBe 'master'
describe ".isPathIgnored(path)", ->
it "returns true for an ignored path", ->
repo = new Git(require.resolve('fixtures/git/ignore.git'))
expect(repo.isPathIgnored('a.txt')).toBeTruthy()
it "returns false for a non-ignored path", ->
repo = new Git(require.resolve('fixtures/git/ignore.git'))
expect(repo.isPathIgnored('b.txt')).toBeFalsy()
describe ".isPathModified(path)", ->
[repo, path, newPath, originalPathText] = []
beforeEach ->
repo = new Git(require.resolve('fixtures/git/working-dir'))
path = require.resolve('fixtures/git/working-dir/file.txt')
newPath = fs.join(require.resolve('fixtures/git/working-dir'), 'new-path.txt')
originalPathText = fs.read(path)
afterEach ->
fs.write(path, originalPathText)
fs.remove(newPath) if fs.exists(newPath)
describe "when the path is unstaged", ->
it "returns false if the path has not been modified", ->
expect(repo.isPathModified(path)).toBeFalsy()
it "returns true if the path is modified", ->
fs.write(path, "change")
expect(repo.isPathModified(path)).toBeTruthy()
it "returns true if the path is deleted", ->
fs.remove(path)
expect(repo.isPathModified(path)).toBeTruthy()
it "returns false if the path is new", ->
expect(repo.isPathModified(newPath)).toBeFalsy()
describe ".isPathNew(path)", ->
[repo, path, newPath] = []
beforeEach ->
repo = new Git(require.resolve('fixtures/git/working-dir'))
path = require.resolve('fixtures/git/working-dir/file.txt')
newPath = fs.join(require.resolve('fixtures/git/working-dir'), 'new-path.txt')
fs.write(newPath, "i'm new here")
afterEach ->
fs.remove(newPath) if fs.exists(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(path)).toBeFalsy()
describe ".checkoutHead(path)", ->
[repo, path1, path2, originalPath1Text, originalPath2Text] = []
beforeEach ->
repo = new Git(require.resolve('fixtures/git/working-dir'))
path1 = require.resolve('fixtures/git/working-dir/file.txt')
originalPath1Text = fs.read(path1)
path2 = require.resolve('fixtures/git/working-dir/other.txt')
originalPath2Text = fs.read(path2)
afterEach ->
fs.write(path1, originalPath1Text)
fs.write(path2, originalPath2Text)
it "no longer reports a path as modified after checkout", ->
expect(repo.isPathModified(path1)).toBeFalsy()
fs.write(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.write(path1, '')
expect(repo.checkoutHead(path1)).toBeTruthy()
expect(fs.read(path1)).toBe(originalPath1Text)
it "only restores the path specified", ->
fs.write(path2, 'path 2 is edited')
expect(repo.isPathModified(path2)).toBeTruthy()
expect(repo.checkoutHead(path1)).toBeTruthy()
expect(fs.read(path2)).toBe('path 2 is edited')
expect(repo.isPathModified(path2)).toBeTruthy()