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from urllib.request import urlopen
import pytest
import vcr
from vcr.errors import CannotOverwriteExistingCassetteException
def test_making_extra_request_raises_exception(tmpdir, httpbin):
# make two requests in the first request that are considered
# identical (since the match is based on method)
with vcr.use_cassette(str(tmpdir.join("test.json")), match_on=["method"]):
urlopen(httpbin.url + "/status/200")
urlopen(httpbin.url + "/status/201")
# Now, try to make three requests. The first two should return the
# correct status codes in order, and the third should raise an
# exception.
with vcr.use_cassette(str(tmpdir.join("test.json")), match_on=["method"]):
assert urlopen(httpbin.url + "/status/200").getcode() == 200
assert urlopen(httpbin.url + "/status/201").getcode() == 201
with pytest.raises(CannotOverwriteExistingCassetteException):
urlopen(httpbin.url + "/status/200")
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