#!/usr/bin/env python

# Copyright (c) 2012 Google Inc. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

"""
Verifies that app bundles are built correctly.
"""

import TestGyp
import TestMac

import os
import plistlib
import subprocess
import sys


if sys.platform in ('darwin', 'win32'):
  print "This test is currently disabled: https://crbug.com/483696."
  sys.exit(0)


def CheckFileXMLPropertyList(file):
  output = subprocess.check_output(['file', file])
  # The double space after XML is intentional.
  if not 'XML  document text' in output:
    print 'File: Expected XML  document text, got %s' % output
    test.fail_test()

def ExpectEq(expected, actual):
  if expected != actual:
    print >>sys.stderr, 'Expected "%s", got "%s"' % (expected, actual)
    test.fail_test()

def ls(path):
  '''Returns a list of all files in a directory, relative to the directory.'''
  result = []
  for dirpath, _, files in os.walk(path):
    for f in files:
      result.append(os.path.join(dirpath, f)[len(path) + 1:])
  return result


if sys.platform == 'darwin':
  test = TestGyp.TestGyp(formats=['ninja', 'make', 'xcode'])

  test.run_gyp('test.gyp', chdir='app-bundle')

  test.build('test.gyp', test.ALL, chdir='app-bundle')

  # Binary
  test.built_file_must_exist('Test App Gyp.app/Contents/MacOS/Test App Gyp',
                             chdir='app-bundle')

  # Info.plist
  info_plist = test.built_file_path('Test App Gyp.app/Contents/Info.plist',
                                    chdir='app-bundle')
  test.must_exist(info_plist)
  test.must_contain(info_plist, 'com.google.Test-App-Gyp')  # Variable expansion
  test.must_not_contain(info_plist, '${MACOSX_DEPLOYMENT_TARGET}');
  CheckFileXMLPropertyList(info_plist)

  if test.format != 'make':
    # TODO: Synthesized plist entries aren't hooked up in the make generator.
    machine = subprocess.check_output(['sw_vers', '-buildVersion']).rstrip('\n')
    plist = plistlib.readPlist(info_plist)
    ExpectEq(machine, plist['BuildMachineOSBuild'])

    # Prior to Xcode 5.0.0, SDKROOT (and thus DTSDKName) was only defined if
    # set in the Xcode project file. Starting with that version, it is always
    # defined.
    expected = ''
    if TestMac.Xcode.Version() >= '0500':
      version = TestMac.Xcode.SDKVersion()
      expected = 'macosx' + version
    ExpectEq(expected, plist['DTSDKName'])
    sdkbuild = TestMac.Xcode.SDKBuild()
    if not sdkbuild:
      # Above command doesn't work in Xcode 4.2.
      sdkbuild = plist['BuildMachineOSBuild']
    ExpectEq(sdkbuild, plist['DTSDKBuild'])
    ExpectEq(TestMac.Xcode.Version(), plist['DTXcode'])
    ExpectEq(TestMac.Xcode.Build(), plist['DTXcodeBuild'])

  # Resources
  strings_files = ['InfoPlist.strings', 'utf-16be.strings', 'utf-16le.strings']
  for f in strings_files:
    strings = test.built_file_path(
        os.path.join('Test App Gyp.app/Contents/Resources/English.lproj', f),
        chdir='app-bundle')
    test.must_exist(strings)
    # Xcodes writes UTF-16LE with BOM.
    contents = open(strings, 'rb').read()
    if not contents.startswith('\xff\xfe' + '/* Localized'.encode('utf-16le')):
      test.fail_test()

  test.built_file_must_exist(
      'Test App Gyp.app/Contents/Resources/English.lproj/MainMenu.nib',
      chdir='app-bundle')

  # Packaging
  test.built_file_must_exist('Test App Gyp.app/Contents/PkgInfo',
                             chdir='app-bundle')
  test.built_file_must_match('Test App Gyp.app/Contents/PkgInfo', 'APPLause',
                             chdir='app-bundle')

  # Check that no other files get added to the bundle.
  if set(ls(test.built_file_path('Test App Gyp.app', chdir='app-bundle'))) != \
     set(['Contents/MacOS/Test App Gyp',
          'Contents/Info.plist',
          'Contents/Resources/English.lproj/MainMenu.nib',
          'Contents/PkgInfo',
          ] +
         [os.path.join('Contents/Resources/English.lproj', f)
             for f in strings_files]):
    test.fail_test()

  test.pass_test()