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import requests
import requests_mock
import sys, os
import time, datetime
import unittest
from unittest import mock
from ssl import SSLError
from decimal import Decimal
import simplejson as json
import psycopg2
from io import StringIO
class FileMock:
@classmethod
def start(cls):
cls.file_mock = mock.patch("market.open")
cls.os_mock = mock.patch("os.makedirs")
cls.stdout_mock = mock.patch('sys.stdout', new_callable=StringIO)
cls.stdout_mock.start()
cls.os_mock.start()
cls.file_mock.start()
@classmethod
def check_calls(cls, tester):
pass
#raise NotImplementedError("Todo")
@classmethod
def stop(cls):
cls.file_mock.stop()
cls.stdout_mock.stop()
cls.os_mock.stop()
class DatabaseMock:
rows = []
report_db = False
db_patch = None
cursor = None
total_report_lines = 0
db_mock = None
requests = []
@classmethod
def start(cls, reports, report_db):
cls.report_db = report_db
cls.rows = []
cls.total_report_lines= 0
for user_id, market_id, http_requests, report_lines in reports.values():
cls.rows.append( (market_id, { "key": "key", "secret": "secret" }, user_id) )
cls.total_report_lines += len(report_lines)
connect_mock = mock.Mock()
cls.cursor = mock.MagicMock()
connect_mock.cursor.return_value = cls.cursor
def _execute(request, *args):
cls.requests.append(request)
cls.cursor.execute.side_effect = _execute
cls.cursor.__iter__.return_value = cls.rows
cls.db_patch = mock.patch("psycopg2.connect")
cls.db_mock = cls.db_patch.start()
cls.db_mock.return_value = connect_mock
@classmethod
def check_calls(cls, tester):
if cls.report_db:
tester.assertEqual(1 + len(cls.rows), cls.db_mock.call_count)
tester.assertEqual(1 + len(cls.rows) + cls.total_report_lines, cls.cursor.execute.call_count)
else:
tester.assertEqual(1, cls.db_mock.call_count)
tester.assertEqual(1, cls.cursor.execute.call_count)
@classmethod
def stop(cls):
cls.db_patch.stop()
cls.db_mock = None
cls.cursor = None
cls.total_report_lines = 0
cls.rows = []
cls.report_db = False
cls.requests = []
class RequestsMock:
adapter = None
mocks = {}
last_https = {}
request_patch = []
@classmethod
def start(cls, reports):
cls.adapter = requests_mock.Adapter()
cls.adapter.register_uri(requests_mock.ANY, requests_mock.ANY,
exc=requests_mock.exceptions.MockException("Not stubbed URL"))
true_session = requests.Session
cls.mocks = {}
for market_id, elements in reports.items():
for element in elements:
method = element["method"]
url = element["url"]
cls.mocks \
.setdefault((method, url), {}) \
.setdefault(market_id, []) \
.append(element)
for ((method, url), elements) in cls.mocks.items():
cls.adapter.register_uri(method, url, text=cls.callback_func(elements), complete_qs=True)
def _session():
session = true_session()
session.get_adapter = lambda url: cls.adapter
return session
cls.request_patch = [
mock.patch.object(requests.sessions, "Session", new=_session),
mock.patch.object(requests, "Session", new=_session)
]
for patch in cls.request_patch:
patch.start()
@classmethod
def stop(cls):
for patch in cls.request_patch:
patch.stop()
cls.request_patch = []
cls.last_https = {}
cls.mocks = {}
cls.adapter = None
@classmethod
def check_calls(cls, tester):
for (method, url), elements in cls.mocks.items():
for market_id, element in elements.items():
tester.assertEqual(0, len(element), "Missing calls to {} {}, market_id {}".format(method, url, market_id))
@classmethod
def clean_body(cls, body):
if body is None:
return None
import re
if isinstance(body, bytes):
body = body.decode()
body = re.sub(r"&nonce=\d*$", "", body)
body = re.sub(r"nonce=\d*&?", "", body)
return body
@classmethod
def callback_func(cls, elements):
def callback(request, context):
try:
element = elements[request.headers.get("X-market-id")].pop(0)
except (IndexError, KeyError):
raise RuntimeError("Unexpected call")
if element["response"] is None and element["response_same_as"] is not None:
element["response"] = cls.last_https[element["response_same_as"]]
elif element["response"] is not None:
cls.last_https[element["date"]] = element["response"]
assert cls.clean_body(request.body) == \
cls.clean_body(element["body"]), "Body does not match"
context.status_code = element["status"]
if "error" in element:
if element["error"] == "SSLError":
raise SSLError(element["error_message"])
else:
raise getattr(requests.exceptions, element["error"])(element["error_message"])
return element["response"]
return callback
class TimeMock:
delta = 0
true_time = time.time
time_patch = None
datetime_patch = None
@classmethod
def start(cls, start_date):
cls.delta = (datetime.datetime.now() - start_date).total_seconds()
class fake_datetime(datetime.datetime):
@classmethod
def now(cls, tz=None):
if tz is None:
return cls.fromtimestamp(time.time())
else:
return tz.fromutc(cls.utcfromtimestamp(time.time()).replace(tzinfo=tz))
cls.time_patch = mock.patch.multiple(time, time=cls.fake_time, sleep=cls.fake_sleep)
cls.datetime_patch = mock.patch.multiple(datetime, datetime=fake_datetime)
cls.time_patch.start()
cls.datetime_patch.start()
@classmethod
def stop(cls):
cls.delta = 0
cls.datetime_patch.stop()
cls.time_patch.stop()
@classmethod
def fake_time(cls):
return cls.true_time() - cls.delta
@classmethod
def fake_sleep(cls, duration):
cls.delta -= duration
class AcceptanceTestCase():
def parse_file(self, report_file):
with open(report_file, "rb") as f:
json_content = json.load(f, parse_float=Decimal)
config, user, date, market_id = self.parse_config(json_content)
http_requests = self.parse_requests(json_content)
return config, user, date, market_id, http_requests, json_content
def parse_requests(self, json_content):
http_requests = []
for element in json_content:
if element["type"] != "http_request":
continue
http_requests.append(element)
return http_requests
def parse_config(self, json_content):
market_info = None
for element in json_content:
if element["type"] != "market":
continue
market_info = element
assert market_info is not None, "Couldn't find market element"
args = market_info["args"]
config = []
for arg in ["before", "after", "quiet", "debug"]:
if args.get(arg, False):
config.append("--{}".format(arg))
for arg in ["parallel", "report_db"]:
if not args.get(arg, False):
config.append("--no-{}".format(arg.replace("_", "-")))
for action in args.get("action", []):
config.extend(["--action", action])
if args.get("report_path") is not None:
config.extend(["--report-path", args.get("report_path")])
if args.get("user") is not None:
config.extend(["--user", args.get("user")])
config.extend(["--config", ""])
user = market_info["user_id"]
date = datetime.datetime.strptime(market_info["date"], "%Y-%m-%dT%H:%M:%S.%f")
market_id = market_info["market_id"]
return config, user, date, market_id
def requests_by_market(self):
r = {
None: []
}
got_common = False
for user_id, market_id, http_requests, report_lines in self.reports.values():
r[str(market_id)] = []
for http_request in http_requests:
if http_request["market_id"] is None:
if not got_common:
r[None].append(http_request)
else:
r[str(market_id)].append(http_request)
got_common = True
return r
def setUp(self):
if not hasattr(self, "files"):
raise "This class expects to be inherited with a class defining self.files in setUp"
self.reports = {}
self.start_date = datetime.datetime.now()
self.config = []
for f in self.files:
self.config, user_id, date, market_id, http_requests, report_lines = self.parse_file(f)
if date < self.start_date:
self.start_date = date
self.reports[f] = [user_id, market_id, http_requests, report_lines]
DatabaseMock.start(self.reports, "--no-report-db" not in self.config)
RequestsMock.start(self.requests_by_market())
FileMock.start()
TimeMock.start(self.start_date)
def base_test(self):
import main
main.main(self.config)
RequestsMock.check_calls(self)
DatabaseMock.check_calls(self)
FileMock.check_calls(self)
def tearDown(self):
TimeMock.stop()
FileMock.stop()
RequestsMock.stop()
DatabaseMock.stop()
import glob
for dirfile in glob.glob("tests/acceptance/**/*/", recursive=True):
json_files = glob.glob("{}/*.json".format(dirfile))
if len(json_files) > 0:
name = dirfile.replace("tests/acceptance/", "").replace("/", "_")[0:-1]
cname = "".join(list(map(lambda x: x.capitalize(), name.split("_"))))
globals()[cname] = type(cname,
(AcceptanceTestCase,unittest.TestCase), {
"files": json_files,
"test_{}".format(name): AcceptanceTestCase.base_test
})
if __name__ == '__main__':
unittest.main()
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