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import unittest
import re
import pickle
import os
import io
import gzip
import zlib
import urllib
from base64 import b64encode
import responses
from responses import matchers
from contextlib import contextmanager
CONSUMER_KEY = os.getenv("CONSUMER_KEY")
CONSUMER_SECRET = os.getenv("CONSUMER_SECRET")
# different modes
# INTEGRATION_TESTING -> Targets real OPE endpoints + record all calls
INTEGRATION_TESTING = os.getenv("INTEGRATION_TESTING")
if INTEGRATION_TESTING and not (CONSUMER_KEY and CONSUMER_SECRET):
raise RuntimeError("Integration testing requires credentials!")
http_methods = ["GET", "HEAD", "POST", "PUT", "DELETE", "CONNECT", "OPTIONS", "TRACE", "PATCH"]
class ReplayResponse(responses.Response):
def __init__(self, request, response):
self._request = request
self._response = response
parsed_url = urllib.parse.urlparse(request.url)
super().__init__(
request.method,
request.url,
body=response.content,
status=response.status_code,
headers=response.headers,
match=[matchers.query_string_matcher(parsed_url.query)],
)
if "gzip" in response.headers.get("Content-Encoding", ""):
self.body = self._gzip_compress(self.body)
@staticmethod
def _gzip_compress(data):
if hasattr(data, "read"):
data = data.read()
if isinstance(data, str):
data = data.encode()
# window size flag, +25 to +31 include a basic gzip
# header and trailing checksum
wbits = 28
compressor = zlib.compressobj(wbits=wbits)
compressed_chunks = [compressor.compress(data), compressor.flush()]
return b"".join(compressed_chunks)
class ReplayResponsesTestCase(unittest.TestCase):
@classmethod
def setUpClass(cls):
if INTEGRATION_TESTING:
cls.prepare_integration_test()
cls.recordpath = "{0}/data/{1}.{2}.pickle.gz".format(
os.path.dirname(__file__), cls.__module__.split(".")[-1], cls.__name__
)
cls.requests_mock = responses.RequestsMock()
if INTEGRATION_TESTING:
cls._records = {}
else:
with gzip.open(cls.recordpath) as file:
cls._records = pickle.load(file)
def setUp(self):
if INTEGRATION_TESTING:
url = re.compile(".*")
for method in http_methods:
self.requests_mock.add(responses.PassthroughResponse(method, url))
self.requests_mock.assert_all_requests_are_fired = False
self.requests_mock.response_callback = self._record_streaming_response_body
else:
calls = self._records.get(self.record_key, responses.CallList())
for request, response in calls:
replay = ReplayResponse(request, response)
self.requests_mock.add(replay)
self.requests_mock.assert_all_requests_are_fired = True
self.addCleanup(self.requests_mock.reset)
self.requests_mock.start()
self.addCleanup(self.requests_mock.stop)
def tearDown(self):
if INTEGRATION_TESTING:
calls = list(self.requests_mock.calls)
if calls:
self._records[self.record_key] = calls
@classmethod
def tearDownClass(cls):
if INTEGRATION_TESTING:
with gzip.open(cls.recordpath, mode="wb") as file:
pickle.dump(cls._records, file)
@property
def record_key(self):
return self._testMethodName
@staticmethod
def _record_streaming_response_body(response):
if not response.raw.closed:
content = response.content
response.raw = io.BytesIO(content)
return response
@classmethod
def prepare_integration_test(cls):
"""This method can be used to check preconditions for integration tests"""
pass
class DataServiceTestCase(ReplayResponsesTestCase):
credentials = (
CONSUMER_KEY or "pewh0CiBQ5Gl8BX7K2i8vww9tsr0",
CONSUMER_SECRET or "cP58wJbenKRPaK9RKA8ODPxHmkw1",
)
@classmethod
def tearDownClass(cls):
if INTEGRATION_TESTING:
key, secret = map(str.encode, cls.credentials)
sensitive = b64encode(key + b":" + secret)
xs = len(key) * b"x"
crossed = b64encode(xs + b":" + xs)
pickled = pickle.dumps(cls._records)
sanitized = pickled.replace(sensitive, crossed)
with gzip.open(cls.recordpath, mode="wb") as file:
file.write(sanitized)
class FakeProduct:
def __init__(self, id=None, collection=None):
self._id = id or "product"
self.collection = collection or FakeCollection()
@property
def md5(self):
return None
class FakeCollection:
def __init__(self, id=None):
self._id = id or "collection"
class FakeCustomisation:
def __init__(self, states_to_return, cid=None):
self.states_to_return = iter(states_to_return)
self.logfile = f"Fake Log: {states_to_return}"
self._id = cid or "test"
self.deleted = False
@property
def status(self):
return next(self.states_to_return)
@property
def outputs(self):
return ["prod1.nc", "prod2.nc"]
def kill(self):
pass
def delete(self):
if not self.deleted:
self.deleted = True
else:
from eumdac.errors import CustomisationError
raise CustomisationError("double deletion")
@contextmanager
def stream_output_iter_content(self, output, chunks=0):
yield [bytes("test", "utf-8")]
class FakeTailor:
def __init__(self):
self.user_info = {
"username": "test",
}
self.quota = {
"data": {
"test": {
"space_usage_percentage": 95,
}
}
}
def get_customisation(self, id):
return FakeCustomisation(["QUEUED", "RUNNING", "DONE"], cid=id)
def new_customisation(self, product, chain):
return FakeCustomisation(["QUEUED", "RUNNING", "DONE"], cid=None)
class FakeStore:
def get_product(self, col_id, p_id):
return FakeProduct(id=p_id, collection=FakeCollection(id=col_id))
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