def test_get_revision_when_file_is_corrupt_default_values_saved(
self, mopen, mock_exists):
prefix = '20151031'
# All open and disk I/O is mocked out.
# Pretend the file exists already.
mock_exists.return_value = True
# Hold the fake writer so we can check how it was called.
mock_writer = mock.mock_open()
# Open is called twice, once to read, and then to write.
mopen.side_effect = [
mock.mock_open(read_data='THIS IS NOT JSON').return_value,
mock_writer.return_value
]
s = mlabconfig.get_revision(prefix, '/tmp/fakepath')
self.assertEqual(s, '00')
mock_writer.return_value.write.assert_called_once_with(
'{"prefix": "20151031", "revision": 0}')
def test_get_revision_when_file_is_corrupt_default_values_saved(
self, mopen, mock_exists):
prefix = '20151031'
# All open and disk I/O is mocked out.
# Pretend the file exists already.
mock_exists.return_value = True
# Hold the fake writer so we can check how it was called.
mock_writer = mock.mock_open()
# Open is called twice, once to read, and then to write.
mopen.side_effect = [
mock.mock_open(read_data='THIS IS NOT JSON').return_value,
mock_writer.return_value
]
s = mlabconfig.get_revision(prefix, '/tmp/fakepath')
self.assertEqual(s, '00')
mock_writer.return_value.write.assert_called_once_with(
'{"prefix": "20151031", "revision": 0}')
def test_get_revision_when_saved_prefix_is_old_and_revision_is_reset(
self, mopen, mock_exists):
prefix = '20151031'
# All open and disk I/O is mocked out.
# Pretend the file exists already.
mock_exists.return_value = True
# Hold the fake writer so we can check how it was called.
mock_writer = mock.mock_open()
# Open is called twice, once to read, and then to write.
mopen.side_effect = [
mock.mock_open(
# Saved prefix is older than current prefix.
read_data='{"prefix": "20140931", "revision": 1}').return_value,
mock_writer.return_value
]
s = mlabconfig.get_revision(prefix, '/tmp/fakepath')
self.assertEqual(s, '00')
mock_writer.return_value.write.assert_called_once_with(
'{"prefix": "20151031", "revision": 0}')
def test_get_revision_when_saved_prefix_is_old_and_revision_is_reset(
self, mopen, mock_exists):
prefix = '20151031'
# All open and disk I/O is mocked out.
# Pretend the file exists already.
mock_exists.return_value = True
# Hold the fake writer so we can check how it was called.
mock_writer = mock.mock_open()
# Open is called twice, once to read, and then to write.
mopen.side_effect = [
mock.mock_open(
# Saved prefix is older than current prefix.
read_data='{"prefix": "20140931", "revision": 1}').
return_value,
mock_writer.return_value
]
s = mlabconfig.get_revision(prefix, '/tmp/fakepath')
self.assertEqual(s, '00')
mock_writer.return_value.write.assert_called_once_with(
'{"prefix": "20151031", "revision": 0}')