def test_start_instance_when_network_exists(self, executor, printing):
self.mock_executor.return_value.execute_async.return_value.expect.return_value = 0 # found test_net
subject = Docker('mario', 27)
subject.start_instance()
self.mock_executor.return_value.execute_async.assert_called_with(
['docker', 'network', 'list', '--filter', 'name=test_net'])
self.mock_executor.return_value.execute_async.return_value.expect.assert_called_with(
['test_net', pexpect.EOF], timeout=None)
assert self.mock_print.call_count == 0
assert self.mock_executor.return_value.execute_sync_with_output.call_count == 0
def test_start_instance_when_network_does_not_exist(
self, mocker, executor, printing):
self.mock_executor.return_value.execute_async.return_value.expect.return_value = 1 # didn't find test_net
self.mock_executor.return_value.execute_sync_with_output.return_value = (
'', 'created test_net')
subject = Docker('mario', 27)
subject.start_instance()
self.mock_executor.return_value.execute_async.assert_called_with(
['docker', 'network', 'list', '--filter', 'name=test_net'])
self.mock_executor.return_value.execute_async.return_value.expect.assert_called_with(
['test_net', pexpect.EOF], timeout=None)
assert self.mock_print.mock_calls == [
mocker.call('\tCreating the docker network test_net'),
mocker.call('created test_net')
]
self.mock_executor.return_value.execute_sync_with_output.assert_called_with(
[
'docker', 'network', 'create', '--subnet', '172.20.0.0/16',
'test_net'
])
