text: # Copyright (C) 2010 Google Inc. All rights reserved.
  #
  # Redistribution and use in source and binary forms, with or without
  # modification, are permitted provided that the following conditions are
  # met:
  #
  #    * Redistributions of source code must retain the above copyright
  # notice, this list of conditions and the following disclaimer.
  #    * Redistributions in binary form must reproduce the above
  # copyright notice, this list of conditions and the following disclaimer
  # in the documentation and/or other materials provided with the
  # distribution.
  #    * Neither the name of Google Inc. nor the names of its
  # contributors may be used to endorse or promote products derived from
  # this software without specific prior written permission.
  #
  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  
  import os
  import sys
  import unittest2 as unittest
  
  from webkitpy.common.system.executive import Executive, ScriptError
  from webkitpy.common.system.executive_mock import MockExecutive2
  from webkitpy.common.system.filesystem import FileSystem
  from webkitpy.common.system.filesystem_mock import MockFileSystem
  from webkitpy.common.system.outputcapture import OutputCapture
  from webkitpy.common.webkit_finder import WebKitFinder
  
  import config
  
  
  class ConfigTest(unittest.TestCase):
      def setUp(self):
          config.clear_cached_configuration()
  
      def tearDown(self):
          config.clear_cached_configuration()
  
      def make_config(self, output='', files=None, exit_code=0, exception=None, run_command_fn=None, stderr='', port_implementation=None):
          e = MockExecutive2(output=output, exit_code=exit_code, exception=exception, run_command_fn=run_command_fn, stderr=stderr)
          fs = MockFileSystem(files)
          return config.Config(e, fs, port_implementation=port_implementation)
  
      def assert_configuration(self, contents, expected):
          # This tests that a configuration file containing
          # _contents_ ends up being interpreted as _expected_.
          output = 'foo\nfoo/%s' % contents
          c = self.make_config(output, {'foo/Configuration': contents})
          self.assertEqual(c.default_configuration(), expected)
  
      def test_build_directory(self):
          # --top-level
          def mock_webkit_build_directory(arg_list):
              if arg_list == ['--top-level']:
                  return '/WebKitBuild/'
              elif arg_list == ['--configuration', '--debug']:
                  return '/WebKitBuild/Debug'
              elif arg_list == ['--configuration', '--release']:
                  return '/WebKitBuild/Release'
              elif arg_list == []:
                  return '/WebKitBuild/\n/WebKitBuild//Debug\n'
              return 'Error'
  
          def mock_run_command(arg_list):
              if 'webkit-build-directory' in arg_list[1]:
                  return mock_webkit_build_directory(arg_list[2:])
              return 'Error'
  
          c = self.make_config(run_command_fn=mock_run_command)
          self.assertEqual(c.build_directory(None), '/WebKitBuild/')
  
          # Test again to check caching
          self.assertEqual(c.build_directory(None), '/WebKitBuild/')
  
          # Test other values
          self.assertTrue(c.build_directory('Release').endswith('/Release'))
          self.assertTrue(c.build_directory('Debug').endswith('/Debug'))
          self.assertRaises(KeyError, c.build_directory, 'Unknown')
  
          # Test that stderr output from webkit-build-directory won't mangle the build dir
          c = self.make_config(output='/WebKitBuild/', stderr="mock stderr output from webkit-build-directory")
          self.assertEqual(c.build_directory(None), '/WebKitBuild/')
  
      def test_build_directory_passes_port_implementation(self):
          def mock_run_command(arg_list):
              self.assetEquals('--gtk' in arg_list)
              return '/tmp'
  
          c = self.make_config(run_command_fn=mock_run_command, port_implementation='gtk')
  
      def test_default_configuration__release(self):
          self.assert_configuration('Release', 'Release')
  
      def test_default_configuration__debug(self):
          self.assert_configuration('Debug', 'Debug')
  
      def test_default_configuration__deployment(self):
          self.assert_configuration('Deployment', 'Release')
  
      def test_default_configuration__development(self):
          self.assert_configuration('Development', 'Debug')
  
      def test_default_configuration__notfound(self):
          # This tests what happens if the default configuration file doesn't exist.
          c = self.make_config(output='foo\nfoo/Release', files={'foo/Configuration': None})
          self.assertEqual(c.default_configuration(), "Release")
  
      def test_default_configuration__unknown(self):
          # Ignore the warning about an unknown configuration value.
          oc = OutputCapture()
          oc.capture_output()
          self.assert_configuration('Unknown', 'Unknown')
          oc.restore_output()
  
      def test_default_configuration__standalone(self):
          # FIXME: This test runs a standalone python script to test
          # reading the default configuration to work around any possible
          # caching / reset bugs. See https://bugs.webkit.org/show_bug.cgi?id=49360
          # for the motivation. We can remove this test when we remove the
          # global configuration cache in config.py.
          e = Executive()
          fs = FileSystem()
          c = config.Config(e, fs)
          script = WebKitFinder(fs).path_from_webkit_base('Tools', 'Scripts', 'webkitpy', 'port', 'config_standalone.py')
  
          # Note: don't use 'Release' here, since that's the normal default.
          expected = 'Debug'
  
          args = [sys.executable, script, '--mock', expected]
          actual = e.run_command(args).rstrip()
          self.assertEqual(actual, expected)
  
      def test_default_configuration__no_perl(self):
          # We need perl to run webkit-build-directory to find out where the
          # default configuration file is. See what happens if perl isn't
          # installed. (We should get the default value, 'Release').
          c = self.make_config(exception=OSError)
          actual = c.default_configuration()
          self.assertEqual(actual, 'Release')
  
      def test_default_configuration__scripterror(self):
          # We run webkit-build-directory to find out where the default
          # configuration file is. See what happens if that script fails.
          # (We should get the default value, 'Release').
          c = self.make_config(exception=ScriptError())
          actual = c.default_configuration()
          self.assertEqual(actual, 'Release')
  