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from urllib.request import urlopen
import pytest
import vcr
DEFAULT_URI = "http://httpbin.org/get?p1=q1&p2=q2" # base uri for testing
def _replace_httpbin(uri, httpbin, httpbin_secure):
return uri.replace("http://httpbin.org", httpbin.url).replace("https://httpbin.org", httpbin_secure.url)
@pytest.fixture
def cassette(tmpdir, httpbin, httpbin_secure):
"""
Helper fixture used to prepare the cassette
returns path to the recorded cassette
"""
default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
cassette_path = str(tmpdir.join("test.yml"))
with vcr.use_cassette(cassette_path, record_mode=vcr.mode.ALL):
urlopen(default_uri)
return cassette_path
@pytest.mark.parametrize(
"matcher, matching_uri, not_matching_uri",
[
("uri", "http://httpbin.org/get?p1=q1&p2=q2", "http://httpbin.org/get?p2=q2&p1=q1"),
("scheme", "http://google.com/post?a=b", "https://httpbin.org/get?p1=q1&p2=q2"),
("host", "https://httpbin.org/post?a=b", "http://google.com/get?p1=q1&p2=q2"),
("path", "https://google.com/get?a=b", "http://httpbin.org/post?p1=q1&p2=q2"),
("query", "https://google.com/get?p2=q2&p1=q1", "http://httpbin.org/get?p1=q1&a=b"),
],
)
def test_matchers(httpbin, httpbin_secure, cassette, matcher, matching_uri, not_matching_uri):
matching_uri = _replace_httpbin(matching_uri, httpbin, httpbin_secure)
not_matching_uri = _replace_httpbin(not_matching_uri, httpbin, httpbin_secure)
default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
# play cassette with default uri
with vcr.use_cassette(cassette, match_on=[matcher]) as cass:
urlopen(default_uri)
assert cass.play_count == 1
# play cassette with matching on uri
with vcr.use_cassette(cassette, match_on=[matcher]) as cass:
urlopen(matching_uri)
assert cass.play_count == 1
# play cassette with not matching on uri, it should fail
with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
with vcr.use_cassette(cassette, match_on=[matcher]) as cass:
urlopen(not_matching_uri)
def test_method_matcher(cassette, httpbin, httpbin_secure):
default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
# play cassette with matching on method
with vcr.use_cassette(cassette, match_on=["method"]) as cass:
urlopen("https://google.com/get?a=b")
assert cass.play_count == 1
# should fail if method does not match
with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
with vcr.use_cassette(cassette, match_on=["method"]) as cass:
# is a POST request
urlopen(default_uri, data=b"")
@pytest.mark.parametrize(
"uri",
(
DEFAULT_URI,
"http://httpbin.org/get?p2=q2&p1=q1",
"http://httpbin.org/get?p2=q2&p1=q1",
),
)
def test_default_matcher_matches(cassette, uri, httpbin, httpbin_secure):
uri = _replace_httpbin(uri, httpbin, httpbin_secure)
with vcr.use_cassette(cassette) as cass:
urlopen(uri)
assert cass.play_count == 1
@pytest.mark.parametrize(
"uri",
[
"https://httpbin.org/get?p1=q1&p2=q2",
"http://google.com/get?p1=q1&p2=q2",
"http://httpbin.org/post?p1=q1&p2=q2",
"http://httpbin.org/get?p1=q1&a=b",
],
)
def test_default_matcher_does_not_match(cassette, uri, httpbin, httpbin_secure):
uri = _replace_httpbin(uri, httpbin, httpbin_secure)
with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
with vcr.use_cassette(cassette):
urlopen(uri)
def test_default_matcher_does_not_match_on_method(cassette, httpbin, httpbin_secure):
default_uri = _replace_httpbin(DEFAULT_URI, httpbin, httpbin_secure)
with pytest.raises(vcr.errors.CannotOverwriteExistingCassetteException):
with vcr.use_cassette(cassette):
# is a POST request
urlopen(default_uri, data=b"")
|
