async def test_handler_concurrent_requests():
"""
Tests request handling ignores anything after more_body: False
"""
scope = {
"type": "http",
"http_version": "1.1",
"method": "GET",
"path": "/test/"
}
handler = MockHandler()
comm_1 = ApplicationCommunicator(handler, {**scope})
comm_2 = ApplicationCommunicator(handler, {**scope})
request_1 = comm_1.send_input({
"type": "http.request",
"body": b"request 1",
"more_body": False
})
request_2 = comm_2.send_input({
"type": "http.request",
"body": b"request 2",
"more_body": False
})
await request_1
await request_2
await comm_1.receive_output(1) # response start
await comm_1.receive_output(1) # response body
await comm_2.receive_output(1) # response start
await comm_2.receive_output(1) # response body
class AsgiTestBase(SpanTestBase):
def setUp(self):
super().setUp()
self.scope = {}
setup_testing_defaults(self.scope)
self.communicator = None
def tearDown(self):
if self.communicator:
asyncio.get_event_loop().run_until_complete(
self.communicator.wait())
def seed_app(self, app):
self.communicator = ApplicationCommunicator(app, self.scope)
def send_input(self, message):
asyncio.get_event_loop().run_until_complete(
self.communicator.send_input(message))
def send_default_request(self):
self.send_input({"type": "http.request", "body": b""})
def get_output(self):
output = asyncio.get_event_loop().run_until_complete(
self.communicator.receive_output(0))
return output
def get_all_output(self):
outputs = []
while True:
try:
outputs.append(self.get_output())
except asyncio.TimeoutError:
break
return outputs
class ASGITest(TestCase):
@skipUnless(HAVE_ASYNCIO_AND_ASGI, "Don't have asyncio/asgi installed.")
def setUp(self):
self.registry = CollectorRegistry()
self.captured_status = None
self.captured_headers = None
# Setup ASGI scope
self.scope = {}
setup_testing_defaults(self.scope)
self.communicator = None
def tearDown(self):
if self.communicator:
asyncio.get_event_loop().run_until_complete(
self.communicator.wait()
)
def seed_app(self, app):
self.communicator = ApplicationCommunicator(app, self.scope)
def send_input(self, payload):
asyncio.get_event_loop().run_until_complete(
self.communicator.send_input(payload)
)
def send_default_request(self):
self.send_input({"type": "http.request", "body": b""})
def get_output(self):
output = asyncio.get_event_loop().run_until_complete(
self.communicator.receive_output(0)
)
return output
def get_all_output(self):
outputs = []
while True:
try:
outputs.append(self.get_output())
except asyncio.TimeoutError:
break
return outputs
def validate_metrics(self, metric_name, help_text, increments):
"""
ASGI app serves the metrics from the provided registry.
"""
c = Counter(metric_name, help_text, registry=self.registry)
for _ in range(increments):
c.inc()
# Create and run ASGI app
app = make_asgi_app(self.registry)
self.seed_app(app)
self.send_default_request()
# Assert outputs
outputs = self.get_all_output()
# Assert outputs
self.assertEqual(len(outputs), 2)
response_start = outputs[0]
self.assertEqual(response_start['type'], 'http.response.start')
response_body = outputs[1]
self.assertEqual(response_body['type'], 'http.response.body')
# Status code
self.assertEqual(response_start['status'], 200)
# Headers
self.assertEqual(len(response_start['headers']), 1)
self.assertEqual(response_start['headers'][0], (b"Content-Type", CONTENT_TYPE_LATEST.encode('utf8')))
# Body
output = response_body['body'].decode('utf8')
self.assertIn("# HELP " + metric_name + "_total " + help_text + "\n", output)
self.assertIn("# TYPE " + metric_name + "_total counter\n", output)
self.assertIn(metric_name + "_total " + str(increments) + ".0\n", output)
def test_report_metrics_1(self):
self.validate_metrics("counter", "A counter", 2)
def test_report_metrics_2(self):
self.validate_metrics("counter", "Another counter", 3)
def test_report_metrics_3(self):
self.validate_metrics("requests", "Number of requests", 5)
def test_report_metrics_4(self):
self.validate_metrics("failed_requests", "Number of failed requests", 7)
