def test_service_get_command_conf_events(story):
chain = deque(
[Service('service'),
Command('cmd'),
Event('foo'),
Command('bar')])
story.app.services = {
'service': {
'configuration': {
'actions': {
'cmd': {
'events': {
'foo': {
'output': {
'actions': {
'bar': {
'a': 'b'
}
}
}
}
}
}
}
}
}
}
assert Services.get_command_conf(story, chain) == {'a': 'b'}
async def test_services_execute_external_http(patch, story, async_mock):
line = {
Line.service: 'cups',
Line.command: 'print',
Line.method: 'execute'
}
story.app.services = {
'cups': {
ServiceConstants.config: {
'actions': {
'print': {
'http': {}
}
}
}
}
}
patch.object(Services, 'execute_http', new=async_mock())
patch.object(Services, 'start_container', new=async_mock())
ret = await Services.execute_external(story, line)
Services.execute_http.mock.assert_called_with(
story, line,
deque([Service(name='cups'), Command(name='print')]),
{'http': {}})
assert ret == await Services.execute_http()
Services.start_container.mock.assert_called()
async def test_execute_inline(patch, story, command, simulate_finished,
bin_content):
# Not a valid combination.
if bin_content and command != 'write':
return
chain = deque([Service('http'), Event('server'), Command(command)])
req = MagicMock()
req._finished = simulate_finished
def is_finished():
return req._finished
req.is_finished = is_finished
io_loop = MagicMock()
story.context = {
ContextConstants.server_request: req,
ContextConstants.server_io_loop: io_loop
}
command_conf = {
'arguments': {
'content': {
'type': 'string',
'in': 'responseBody',
'required': True
}
}
}
if bin_content:
patch.object(story, 'argument_by_name', return_value=b'bin world!')
else:
patch.object(story, 'argument_by_name', return_value='hello world!')
expected_body = {'command': command, 'data': {'content': 'hello world!'}}
line = {}
if simulate_finished:
with pytest.raises(StoryscriptError):
await Services.execute_inline(story, line, chain, command_conf)
return
else:
await Services.execute_inline(story, line, chain, command_conf)
if bin_content:
req.write.assert_called_with(b'bin world!')
else:
req.write.assert_called_with(
json.dumps(expected_body, cls=HttpDataEncoder) + '\n')
if command == 'finish' or bin_content:
io_loop.add_callback.assert_called_with(req.finish)
else:
io_loop.add_callback.assert_not_called()
def test_service_get_command_conf_simple(story):
chain = deque([Service('service'), Command('cmd')])
story.app.services = {
'service': {
'configuration': {
'actions': {
'cmd': {'x': 'y'}
}
}
}
}
assert Services.get_command_conf(story, chain) == {'x': 'y'}
async def test_start_services(patch, app, async_mock, magic, reusable,
internal):
app.stories = {
'a.story': {
'tree': {
'1': {
'method': 'execute',
'next': '2'
},
'2': {
'method': 'execute',
'next': '3'
},
'3': {
'method': 'not_execute'
}
},
'entrypoint': '1'
}
}
chain = deque()
chain.append(Service(name='cold_service'))
chain.append(Command(name='cold_command'))
start_container_result = magic()
patch.object(Services, 'resolve_chain', return_value=chain)
patch.object(Services, 'is_internal', return_value=internal)
patch.object(Services,
'start_container',
return_value=start_container_result)
patch.object(Containers, 'is_service_reusable', return_value=reusable)
patch.object(asyncio, 'wait', new=async_mock(return_value=([], [])))
await app.start_services()
tasks = [start_container_result]
if not reusable:
tasks = [start_container_result, start_container_result]
if not internal:
asyncio.wait.mock.assert_called_with(tasks)
async def test_start_services_completed_exc(patch, app, async_mock, magic):
app.stories = {
'a': {
'tree': {
'1': {
'method': 'execute'
}
},
'entrypoint': '1'
}
}
patch.object(Containers, 'is_service_reusable', return_value=True)
patch.object(Services, 'is_internal', return_value=False)
chain = deque()
chain.append(Service(name='foo'))
chain.append(Command(name='foo'))
patch.object(Services, 'resolve_chain', return_value=chain)
task = magic()
task.exception.return_value = Exception()
patch.object(asyncio, 'wait', new=async_mock(return_value=([task], [])))
with pytest.raises(Exception):
await app.start_services()
async def test_services_execute_http(patch, story, async_mock, absolute_url,
location, method, service_output):
if location == 'formBody' and method == 'GET':
return # Invalid case.
chain = deque([Service(name='service'), Command(name='cmd')])
patch.object(Containers, 'get_hostname',
new=async_mock(return_value='container_host'))
patch.object(uuid, 'uuid4')
patch.object(ServiceOutputValidator, 'raise_if_invalid')
command_conf = {
'http': {
'method': method.lower(),
'port': 2771,
'path': '/invoke'
},
'arguments': {
'foo': {
'in': location
}
}
}
if absolute_url:
command_conf['http']['url'] = 'https://extcoolfunctions.com/invoke'
del command_conf['http']['port']
del command_conf['http']['path']
if service_output is not None:
command_conf['output'] = service_output
if location is None:
del command_conf['arguments']
if location == 'formBody':
command_conf['http']['contentType'] = 'multipart/form-data'
patch.object(story, 'argument_by_name', return_value='bar')
if location == 'path':
if absolute_url:
command_conf['http']['url'] = 'https://extcoolfunctions.com' \
'/invoke/{foo}'
expected_url = 'https://extcoolfunctions.com/invoke/bar'
else:
command_conf['http']['path'] = '/invoke/{foo}'
expected_url = 'http://container_host:2771/invoke/bar'
elif location == 'query':
if absolute_url:
expected_url = 'https://extcoolfunctions.com/invoke?foo=bar'
else:
expected_url = 'http://container_host:2771/invoke?foo=bar'
else: # requestBody
if absolute_url:
expected_url = 'https://extcoolfunctions.com/invoke'
else:
expected_url = 'http://container_host:2771/invoke'
expected_kwargs = {
'method': method,
'headers': {}
}
if location == 'header':
expected_kwargs['headers']['foo'] = 'bar'
if method == 'POST':
expected_kwargs['headers']['Content-Type'] = 'application/json; ' \
'charset=utf-8'
if location == 'requestBody':
expected_kwargs['body'] = '{"foo": "bar"}'
elif location == 'formBody':
expected_kwargs['headers']['Content-Type'] = \
f'multipart/form-data; boundary={uuid.uuid4().hex}'
else:
expected_kwargs['body'] = '{}'
line = {
'ln': '1'
}
patch.init(AsyncHTTPClient)
client = AsyncHTTPClient()
response = HTTPResponse(HTTPRequest(url=expected_url), 200,
buffer=StringIO('{"foo": "\U0001f44d"}'),
headers={'Content-Type': 'application/json'})
patch.object(HttpUtils, 'fetch_with_retry',
new=async_mock(return_value=response))
if location == 'invalid_loc' or \
(location == 'requestBody' and method == 'GET'):
with pytest.raises(StoryscriptError):
await Services.execute_http(story, line, chain, command_conf)
return
else:
ret = await Services.execute_http(story, line, chain, command_conf)
assert ret == {'foo': '\U0001f44d'}
if location == 'formBody':
call = HttpUtils.fetch_with_retry.mock.mock_calls[0][1]
assert call[0] == 3
assert call[1] == story.logger
assert call[2] == expected_url
assert call[3] == client
# Since we can't mock the partial, we must inspect it.
actual_body_producer = call[4].pop('body_producer')
assert call[4] == expected_kwargs
assert actual_body_producer.func == Services._multipart_producer
else:
HttpUtils.fetch_with_retry.mock.assert_called_with(
3, story.logger, expected_url, client, expected_kwargs)
if service_output is not None:
ServiceOutputValidator.raise_if_invalid.assert_called_with(
command_conf['output'], ret, chain)
else:
ServiceOutputValidator.raise_if_invalid.assert_not_called()
# Additionally, test for other scenarios.
response = HTTPResponse(HTTPRequest(url=expected_url), 200,
buffer=StringIO('foo'), headers={})
patch.object(HttpUtils, 'fetch_with_retry',
new=async_mock(return_value=response))
ret = await Services.execute_http(story, line, chain, command_conf)
assert ret == 'foo'
response = HTTPResponse(HTTPRequest(url=expected_url), 500)
patch.object(HttpUtils, 'fetch_with_retry',
new=async_mock(return_value=response))
with pytest.raises(StoryscriptError):
await Services.execute_http(story, line, chain, command_conf)
def test_resolve_chain(story):
"""
The story tested here is:
alpine echo as client
when client foo as echo_helper
alpine echo
echo_helper sonar # This isn't possible, but OK.
echo_helper sonar
"""
story.app.services = {
'alpine': {}
}
story.tree = {
'1': {
Line.method: 'execute',
Line.service: 'alpine',
Line.command: 'echo',
Line.enter: '2',
Line.output: ['client']
},
'2': {
Line.method: 'when',
Line.service: 'client',
Line.command: 'foo',
Line.parent: '1',
Line.output: ['echo_helper']
},
'3': {
Line.method: 'execute',
Line.service: 'alpine',
Line.command: 'echo',
Line.parent: '2',
Line.enter: '4'
},
'4': {
Line.method: 'execute',
Line.service: 'echo_helper',
Line.command: 'sonar',
Line.parent: '3'
},
'5': {
Line.method: 'execute',
Line.service: 'echo_helper',
Line.command: 'sonar',
Line.parent: '2'
}
}
assert Services.resolve_chain(story, story.tree['1']) \
== deque([Service(name='alpine'), Command(name='echo')])
assert Services.resolve_chain(story, story.tree['2']) \
== deque([Service(name='alpine'),
Command(name='echo'), Event(name='foo')])
assert Services.resolve_chain(story, story.tree['3']) \
== deque([Service(name='alpine'), Command(name='echo')])
assert Services.resolve_chain(story, story.tree['4']) \
== deque([Service(name='alpine'), Command(name='echo'),
Event(name='foo'), Command(name='sonar')])
assert Services.resolve_chain(story, story.tree['5']) \
== deque([Service(name='alpine'), Command(name='echo'),
Event(name='foo'), Command(name='sonar')])