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120 lines
3.9 KiB
Python
120 lines
3.9 KiB
Python
from unittest import mock
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import pytest
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from vcr.request import Request
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from vcr.serialize import deserialize, serialize
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from vcr.serializers import compat, jsonserializer, yamlserializer
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def test_deserialize_old_yaml_cassette():
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with open("tests/fixtures/migration/old_cassette.yaml") as f:
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with pytest.raises(ValueError):
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deserialize(f.read(), yamlserializer)
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def test_deserialize_old_json_cassette():
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with open("tests/fixtures/migration/old_cassette.json") as f:
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with pytest.raises(ValueError):
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deserialize(f.read(), jsonserializer)
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def test_deserialize_new_yaml_cassette():
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with open("tests/fixtures/migration/new_cassette.yaml") as f:
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deserialize(f.read(), yamlserializer)
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def test_deserialize_new_json_cassette():
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with open("tests/fixtures/migration/new_cassette.json") as f:
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deserialize(f.read(), jsonserializer)
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REQBODY_TEMPLATE = """\
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interactions:
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- request:
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body: {req_body}
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headers:
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Content-Type: [application/x-www-form-urlencoded]
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Host: [httpbin.org]
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method: POST
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uri: http://httpbin.org/post
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response:
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body: {{string: ""}}
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headers:
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content-length: ['0']
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content-type: [application/json]
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status: {{code: 200, message: OK}}
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"""
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# A cassette generated under Python 2 stores the request body as a string,
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# but the same cassette generated under Python 3 stores it as "!!binary".
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# Make sure we accept both forms, regardless of whether we're running under
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# Python 2 or 3.
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@pytest.mark.parametrize(
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"req_body, expect",
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[
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# Cassette written under Python 2 (pure ASCII body)
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("x=5&y=2", b"x=5&y=2"),
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# Cassette written under Python 3 (pure ASCII body)
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("!!binary |\n eD01Jnk9Mg==", b"x=5&y=2"),
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# Request body has non-ASCII chars (x=föo&y=2), encoded in UTF-8.
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('!!python/str "x=f\\xF6o&y=2"', b"x=f\xc3\xb6o&y=2"),
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("!!binary |\n eD1mw7ZvJnk9Mg==", b"x=f\xc3\xb6o&y=2"),
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# Same request body, this time encoded in UTF-16. In this case, we
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# write the same YAML file under both Python 2 and 3, so there's only
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# one test case here.
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(
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"!!binary |\n //54AD0AZgD2AG8AJgB5AD0AMgA=",
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b"\xff\xfex\x00=\x00f\x00\xf6\x00o\x00&\x00y\x00=\x002\x00",
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),
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# Same again, this time encoded in ISO-8859-1.
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("!!binary |\n eD1m9m8meT0y", b"x=f\xf6o&y=2"),
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],
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)
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def test_deserialize_py2py3_yaml_cassette(tmpdir, req_body, expect):
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cfile = tmpdir.join("test_cassette.yaml")
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cfile.write(REQBODY_TEMPLATE.format(req_body=req_body))
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with open(str(cfile)) as f:
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(requests, responses) = deserialize(f.read(), yamlserializer)
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assert requests[0].body == expect
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@mock.patch.object(
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jsonserializer.json,
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"dumps",
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side_effect=UnicodeDecodeError("utf-8", b"unicode error in serialization", 0, 10, "blew up"),
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)
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def test_serialize_constructs_UnicodeDecodeError(mock_dumps):
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with pytest.raises(UnicodeDecodeError):
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jsonserializer.serialize({})
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def test_serialize_empty_request():
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request = Request(method="POST", uri="http://localhost/", body="", headers={})
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serialize({"requests": [request], "responses": [{}]}, jsonserializer)
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def test_serialize_json_request():
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request = Request(method="POST", uri="http://localhost/", body="{'hello': 'world'}", headers={})
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serialize({"requests": [request], "responses": [{}]}, jsonserializer)
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def test_serialize_binary_request():
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msg = "Does this HTTP interaction contain binary data?"
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request = Request(method="POST", uri="http://localhost/", body=b"\x8c", headers={})
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try:
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serialize({"requests": [request], "responses": [{}]}, jsonserializer)
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except (UnicodeDecodeError, TypeError) as exc:
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assert msg in str(exc)
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def test_deserialize_no_body_string():
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data = {"body": {"string": None}}
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output = compat.convert_to_bytes(data)
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assert data == output
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