Files
atom/spec/stdlib/fs-spec.coffee
2012-05-09 08:33:34 -06:00

83 lines
2.9 KiB
CoffeeScript

fs = require 'fs'
describe "fs", ->
describe ".isFile(path)", ->
fixturesDir = require.resolve('fixtures')
beforeEach ->
it "returns true with a file path", ->
expect(fs.isFile(fs.join(fixturesDir, 'sample.js'))).toBe true
it "returns false with a directory path", ->
expect(fs.isFile(fixturesDir)).toBe false
it "returns false with a non-existent path", ->
expect(fs.isFile(fs.join(fixturesDir, 'non-existent'))).toBe false
expect(fs.isFile(null)).toBe false
describe ".directory(path)", ->
describe "when called with a file path", ->
it "returns the path to the directory", ->
expect(fs.directory(require.resolve('fixtures/dir/a'))).toBe require.resolve('fixtures/dir')
describe "when called with a directory path", ->
it "return the path it was given", ->
expect(fs.directory(require.resolve('fixtures/dir'))).toBe require.resolve('fixtures')
expect(fs.directory(require.resolve('fixtures/dir/'))).toBe require.resolve('fixtures')
describe ".join(paths...)", ->
it "concatenates the given paths with the directory seperator", ->
expect(fs.join('a')).toBe 'a'
expect(fs.join('a', 'b', 'c')).toBe 'a/b/c'
expect(fs.join('/a/b/', 'c', 'd')).toBe '/a/b/c/d'
expect(fs.join('a', 'b/c/', 'd/')).toBe 'a/b/c/d/'
describe ".extension(path)", ->
it "returns the extension of a file", ->
expect(fs.extension("a/b/corey.txt")).toBe '.txt'
expect(fs.extension("a/b/corey.txt.coffee")).toBe '.coffee'
it "returns an empty string for paths without an extension", ->
expect(fs.extension("a/b.not-extension/a-dir")).toBe ''
describe ".traverseTree(path, fn)", ->
fixturesDir = null
beforeEach ->
fixturesDir = require.resolve('fixtures')
it "calls fn for every path in the tree at the given path", ->
paths = []
fs.traverseTree fixturesDir, (path) -> paths.push(path)
expect(paths).toEqual fs.listTree(fixturesDir)
it "does not recurse into a directory if it is pruned", ->
paths = []
fs.traverseTree fixturesDir, (path, prune) ->
if path.match(/\/dir$/)
prune()
else
paths.push(path)
expect(paths.length).toBeGreaterThan 0
for path in paths
expect(path).not.toMatch /dir/
describe ".async", ->
directoryPath = null
beforeEach ->
directoryPath = require.resolve 'fixtures/dir'
describe ".listTree(directoryPath)", ->
it "returns a promise that resolves to the recursive contents of that directory", ->
waitsForPromise ->
fs.async.listTree(directoryPath).done (result) ->
expect(result).toEqual fs.listTree(directoryPath)
describe ".list(directoryPath)", ->
it "returns a promise that resolves to the contents of that directory", ->
waitsForPromise ->
fs.async.list(directoryPath).done (result) ->
expect(result).toEqual fs.list(directoryPath)