def testGetChromePathCheckExists(self):
"""checks that existence of explicitly CHROME_PATH is checked."""
mock_location = '/bin/ls'
if getos.GetPlatform() == 'win':
mock_location = 'c:\\nowhere'
with mock.patch.dict('os.environ', {'CHROME_PATH': mock_location}):
with mock.patch('os.path.exists') as mock_exists:
chrome = getos.GetChromePath()
self.assertEqual(chrome, mock_location)
mock_exists.assert_called_with(chrome)
def testGetChromePathEnv(self):
"""honors CHROME_PATH environment."""
with mock.patch.dict('os.environ', {'CHROME_PATH': '/dummy/file'}):
expect = "Invalid CHROME_PATH.*/dummy/file"
if hasattr(self, 'assertRaisesRegexp'):
with self.assertRaisesRegexp(getos.Error, expect):
getos.GetChromePath()
else:
# TODO(sbc): remove this path once we switch to python2.7 everywhere
self.assertRaises(getos.Error, getos.GetChromePath)