oxrlib/tests/test_OXRAPIRequest.py
2017-05-09 14:51:00 -04:00

102 lines
3.1 KiB
Python

import datetime
import http.client
import io
import json
import os
import random
import string
import urllib.parse
import pytest
import oxrlib.loaders
APPID_CHARS = string.ascii_letters + string.digits
RANDOM_APPID = ''.join(random.choice(APPID_CHARS) for _ in range(32))
API_ROOT = 'http://[100::]/oxrlibtest/'
API_ROOT_PATH = urllib.parse.urlsplit(API_ROOT).path
class FakeResponse:
debuglevel = 0
version = 11
def __init__(self, status_code, reason=None, body=None, headers=None, encoding='utf-16'):
if reason is None:
reason = http.client.responses[status_code]
if body is None:
body = json.dumps(reason)
if headers is None:
headers = {
'Content-Type': 'application/json; charset={}'.format(encoding),
'Content-Length': str(len(body)),
}
self.status = status_code
self.reason = reason
read_fd, write_fd = os.pipe()
with open(write_fd, 'w', encoding=encoding) as body_file:
print('\ufeff', body, sep='', file=body_file)
self.fp = open(read_fd, 'rb')
self.headers = headers
def __getattr__(self, name):
return getattr(self.fp, name)
def getheader(self, name, default=None):
return self.headers.get(name, default)
def getheaders(self):
return list(self.headers.itervalues())
class FakeOpener:
def __init__(self, response):
self.response = response
self.call_list = []
def __call__(self, url, **kwargs):
self.call_list.append((url, kwargs))
return self.response
def call_count(self):
return len(self.call_list)
def last_called_url(self):
return self.call_list[-1][0]
@pytest.fixture
def api_client():
return oxrlib.loaders.OXRAPIRequest(RANDOM_APPID, API_ROOT)
@pytest.fixture
def any_date():
return datetime.date.today() - datetime.timedelta(days=730 - random.randint(0, 365))
@pytest.mark.parametrize('base', ['USD', 'JPY'])
def test_success(api_client, any_date, base):
body = "Good Test"
opener = FakeOpener(FakeResponse(200, body))
api_client.open_url = opener
response = api_client.historical(any_date, base)
assert opener.call_count() == 1
urlparts = urllib.parse.urlsplit(opener.last_called_url())
assert urlparts.path == '{}historical/{}.json'.format(API_ROOT_PATH, any_date.isoformat())
params = urllib.parse.parse_qs(urlparts.query)
assert params['base'] == [base]
assert response.read() == (json.dumps(body) + "\n")
@pytest.mark.parametrize('status_code,expect_exctype', [
(400, oxrlib.loaders.LoaderBadRequestError),
(403, oxrlib.loaders.LoaderBadRequestError),
(404, oxrlib.loaders.LoaderNoDataError),
(410, oxrlib.loaders.LoaderNoDataError),
(500, oxrlib.loaders.LoaderSourceError),
])
def test_failure(api_client, any_date, status_code, expect_exctype):
opener = FakeOpener(FakeResponse(status_code))
api_client.open_url = opener
try:
response = api_client.historical(any_date, 'USD')
except expect_exctype:
pass
else:
assert False, "got response: " + response.read()