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import itertools
from vcr.compat import mock
import pytest
from vcr import matchers
from vcr import request
# the dict contains requests with corresponding to its key difference
# with 'base' request.
REQUESTS = {
"base": request.Request("GET", "http://host.com/p?a=b", "", {}),
"method": request.Request("POST", "http://host.com/p?a=b", "", {}),
"scheme": request.Request("GET", "https://host.com:80/p?a=b", "", {}),
"host": request.Request("GET", "http://another-host.com/p?a=b", "", {}),
"port": request.Request("GET", "http://host.com:90/p?a=b", "", {}),
"path": request.Request("GET", "http://host.com/x?a=b", "", {}),
"query": request.Request("GET", "http://host.com/p?c=d", "", {}),
}
def assert_matcher(matcher_name):
matcher = getattr(matchers, matcher_name)
for k1, k2 in itertools.permutations(REQUESTS, 2):
expecting_assertion_error = matcher_name in {k1, k2}
if expecting_assertion_error:
with pytest.raises(AssertionError):
matcher(REQUESTS[k1], REQUESTS[k2])
else:
assert matcher(REQUESTS[k1], REQUESTS[k2]) is None
def test_uri_matcher():
for k1, k2 in itertools.permutations(REQUESTS, 2):
expecting_assertion_error = {k1, k2} != {"base", "method"}
if expecting_assertion_error:
with pytest.raises(AssertionError):
matchers.uri(REQUESTS[k1], REQUESTS[k2])
else:
assert matchers.uri(REQUESTS[k1], REQUESTS[k2]) is None
req1_body = (
b"<?xml version='1.0'?><methodCall><methodName>test</methodName>"
b"<params><param><value><array><data><value><struct>"
b"<member><name>a</name><value><string>1</string></value></member>"
b"<member><name>b</name><value><string>2</string></value></member>"
b"</struct></value></data></array></value></param></params></methodCall>"
)
req2_body = (
b"<?xml version='1.0'?><methodCall><methodName>test</methodName>"
b"<params><param><value><array><data><value><struct>"
b"<member><name>b</name><value><string>2</string></value></member>"
b"<member><name>a</name><value><string>1</string></value></member>"
b"</struct></value></data></array></value></param></params></methodCall>"
)
boto3_bytes_headers = {
"X-Amz-Content-SHA256": b"UNSIGNED-PAYLOAD",
"Cache-Control": b"max-age=31536000, public",
"X-Amz-Date": b"20191102T143910Z",
"User-Agent": b"Boto3/1.9.102 Python/3.5.3 Linux/4.15.0-54-generic Botocore/1.12.253 Resource",
"Content-MD5": b"GQqjEXsRqrPyxfTl99nkAg==",
"Content-Type": b"text/plain",
"Expect": b"100-continue",
"Content-Length": "21",
}
@pytest.mark.parametrize(
"r1, r2",
[
(
request.Request("POST", "http://host.com/", "123", {}),
request.Request("POST", "http://another-host.com/", "123", {"Some-Header": "value"}),
),
(
request.Request(
"POST", "http://host.com/", "a=1&b=2", {"Content-Type": "application/x-www-form-urlencoded"}
),
request.Request(
"POST", "http://host.com/", "b=2&a=1", {"Content-Type": "application/x-www-form-urlencoded"}
),
),
(
request.Request("POST", "http://host.com/", "123", {}),
request.Request("POST", "http://another-host.com/", "123", {"Some-Header": "value"}),
),
(
request.Request(
"POST", "http://host.com/", "a=1&b=2", {"Content-Type": "application/x-www-form-urlencoded"}
),
request.Request(
"POST", "http://host.com/", "b=2&a=1", {"Content-Type": "application/x-www-form-urlencoded"}
),
),
(
request.Request(
"POST", "http://host.com/", '{"a": 1, "b": 2}', {"Content-Type": "application/json"}
),
request.Request(
"POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
),
),
(
request.Request(
"POST", "http://host.com/", req1_body, {"User-Agent": "xmlrpclib", "Content-Type": "text/xml"}
),
request.Request(
"POST",
"http://host.com/",
req2_body,
{"user-agent": "somexmlrpc", "content-type": "text/xml"},
),
),
(
request.Request(
"POST", "http://host.com/", '{"a": 1, "b": 2}', {"Content-Type": "application/json"}
),
request.Request(
"POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
),
),
(
# special case for boto3 bytes headers
request.Request("POST", "http://aws.custom.com/", b"123", boto3_bytes_headers),
request.Request("POST", "http://aws.custom.com/", b"123", boto3_bytes_headers),
),
],
)
def test_body_matcher_does_match(r1, r2):
assert matchers.body(r1, r2) is None
@pytest.mark.parametrize(
"r1, r2",
[
(
request.Request("POST", "http://host.com/", '{"a": 1, "b": 2}', {}),
request.Request("POST", "http://host.com/", '{"b": 2, "a": 1}', {}),
),
(
request.Request(
"POST", "http://host.com/", '{"a": 1, "b": 3}', {"Content-Type": "application/json"}
),
request.Request(
"POST", "http://host.com/", '{"b": 2, "a": 1}', {"content-type": "application/json"}
),
),
(
request.Request("POST", "http://host.com/", req1_body, {"Content-Type": "text/xml"}),
request.Request("POST", "http://host.com/", req2_body, {"content-type": "text/xml"}),
),
],
)
def test_body_match_does_not_match(r1, r2):
with pytest.raises(AssertionError):
matchers.body(r1, r2)
def test_query_matcher():
req1 = request.Request("GET", "http://host.com/?a=b&c=d", "", {})
req2 = request.Request("GET", "http://host.com/?c=d&a=b", "", {})
assert matchers.query(req1, req2) is None
req1 = request.Request("GET", "http://host.com/?a=b&a=b&c=d", "", {})
req2 = request.Request("GET", "http://host.com/?a=b&c=d&a=b", "", {})
req3 = request.Request("GET", "http://host.com/?c=d&a=b&a=b", "", {})
assert matchers.query(req1, req2) is None
assert matchers.query(req1, req3) is None
def test_matchers():
assert_matcher("method")
assert_matcher("scheme")
assert_matcher("host")
assert_matcher("port")
assert_matcher("path")
assert_matcher("query")
def test_evaluate_matcher_does_match():
def bool_matcher(r1, r2):
return True
def assertion_matcher(r1, r2):
assert 1 == 1
r1, r2 = None, None
for matcher in [bool_matcher, assertion_matcher]:
match, assertion_msg = matchers._evaluate_matcher(matcher, r1, r2)
assert match is True
assert assertion_msg is None
def test_evaluate_matcher_does_not_match():
def bool_matcher(r1, r2):
return False
def assertion_matcher(r1, r2):
# This is like the "assert" statement preventing pytest to recompile it
raise AssertionError()
r1, r2 = None, None
for matcher in [bool_matcher, assertion_matcher]:
match, assertion_msg = matchers._evaluate_matcher(matcher, r1, r2)
assert match is False
assert not assertion_msg
def test_evaluate_matcher_does_not_match_with_assert_message():
def assertion_matcher(r1, r2):
# This is like the "assert" statement preventing pytest to recompile it
raise AssertionError("Failing matcher")
r1, r2 = None, None
match, assertion_msg = matchers._evaluate_matcher(assertion_matcher, r1, r2)
assert match is False
assert assertion_msg == "Failing matcher"
def test_get_assertion_message():
assert matchers.get_assertion_message(None) is None
assert matchers.get_assertion_message("") == ""
def test_get_assertion_message_with_details():
assertion_msg = "q1=1 != q2=1"
expected = assertion_msg
assert matchers.get_assertion_message(assertion_msg) == expected
@pytest.mark.parametrize(
"r1, r2, expected_successes, expected_failures",
[
(
request.Request("GET", "http://host.com/p?a=b", "", {}),
request.Request("GET", "http://host.com/p?a=b", "", {}),
["method", "path"],
[],
),
(
request.Request("GET", "http://host.com/p?a=b", "", {}),
request.Request("POST", "http://host.com/p?a=b", "", {}),
["path"],
["method"],
),
(
request.Request("GET", "http://host.com/p?a=b", "", {}),
request.Request("POST", "http://host.com/path?a=b", "", {}),
[],
["method", "path"],
),
],
)
def test_get_matchers_results(r1, r2, expected_successes, expected_failures):
successes, failures = matchers.get_matchers_results(r1, r2, [matchers.method, matchers.path])
assert successes == expected_successes
assert len(failures) == len(expected_failures)
for i, expected_failure in enumerate(expected_failures):
assert failures[i][0] == expected_failure
assert failures[i][1] is not None
@mock.patch("vcr.matchers.get_matchers_results")
@pytest.mark.parametrize(
"successes, failures, expected_match",
[(["method", "path"], [], True), (["method"], ["path"], False), ([], ["method", "path"], False)],
)
def test_requests_match(mock_get_matchers_results, successes, failures, expected_match):
mock_get_matchers_results.return_value = (successes, failures)
r1 = request.Request("GET", "http://host.com/p?a=b", "", {})
r2 = request.Request("GET", "http://host.com/p?a=b", "", {})
match = matchers.requests_match(r1, r2, [matchers.method, matchers.path])
assert match is expected_match
|
