1
0
mirror of https://github.com/kevin1024/vcrpy.git synced 2025-12-08 16:53:23 +00:00
Files
vcrpy/tests/unit/test_vcr.py
Ville Skyttä 678d56f608 Spelling fixes
2021-08-16 06:56:36 +03:00

363 lines
12 KiB
Python

from unittest import mock
import os
import pytest
import http.client as httplib
from vcr import VCR, mode, use_cassette
from vcr.request import Request
from vcr.stubs import VCRHTTPSConnection
from vcr.patch import _HTTPConnection, force_reset
def test_vcr_use_cassette():
record_mode = mock.Mock()
test_vcr = VCR(record_mode=record_mode)
with mock.patch(
"vcr.cassette.Cassette.load", return_value=mock.MagicMock(inject=False)
) as mock_cassette_load:
@test_vcr.use_cassette("test")
def function():
pass
assert mock_cassette_load.call_count == 0
function()
assert mock_cassette_load.call_args[1]["record_mode"] is record_mode
# Make sure that calls to function now use cassettes with the
# new filter_header_settings
test_vcr.record_mode = mock.Mock()
function()
assert mock_cassette_load.call_args[1]["record_mode"] == test_vcr.record_mode
# Ensure that explicitly provided arguments still supersede
# those on the vcr.
new_record_mode = mock.Mock()
with test_vcr.use_cassette("test", record_mode=new_record_mode) as cassette:
assert cassette.record_mode == new_record_mode
def test_vcr_before_record_request_params():
base_path = "http://httpbin.org/"
def before_record_cb(request):
if request.path != "/get":
return request
test_vcr = VCR(
filter_headers=("cookie", ("bert", "ernie")),
before_record_request=before_record_cb,
ignore_hosts=("www.test.com",),
ignore_localhost=True,
filter_query_parameters=("foo", ("tom", "jerry")),
filter_post_data_parameters=("posted", ("no", "trespassing")),
)
with test_vcr.use_cassette("test") as cassette:
# Test explicit before_record_cb
request_get = Request("GET", base_path + "get", "", {})
assert cassette.filter_request(request_get) is None
request = Request("GET", base_path + "get2", "", {})
assert cassette.filter_request(request) is not None
# Test filter_query_parameters
request = Request("GET", base_path + "?foo=bar", "", {})
assert cassette.filter_request(request).query == []
request = Request("GET", base_path + "?tom=nobody", "", {})
assert cassette.filter_request(request).query == [("tom", "jerry")]
# Test filter_headers
request = Request(
"GET", base_path + "?foo=bar", "", {"cookie": "test", "other": "fun", "bert": "nobody"}
)
assert cassette.filter_request(request).headers == {"other": "fun", "bert": "ernie"}
# Test ignore_hosts
request = Request("GET", "http://www.test.com" + "?foo=bar", "", {"cookie": "test", "other": "fun"})
assert cassette.filter_request(request) is None
# Test ignore_localhost
request = Request("GET", "http://localhost:8000" + "?foo=bar", "", {"cookie": "test", "other": "fun"})
assert cassette.filter_request(request) is None
with test_vcr.use_cassette("test", before_record_request=None) as cassette:
# Test that before_record can be overwritten in context manager.
assert cassette.filter_request(request_get) is not None
def test_vcr_before_record_response_iterable():
# Regression test for #191
request = Request("GET", "/", "", {})
response = object() # just can't be None
# Prevent actually saving the cassette
with mock.patch("vcr.cassette.FilesystemPersister.save_cassette"):
# Baseline: non-iterable before_record_response should work
mock_filter = mock.Mock()
vcr = VCR(before_record_response=mock_filter)
with vcr.use_cassette("test") as cassette:
assert mock_filter.call_count == 0
cassette.append(request, response)
assert mock_filter.call_count == 1
# Regression test: iterable before_record_response should work too
mock_filter = mock.Mock()
vcr = VCR(before_record_response=(mock_filter,))
with vcr.use_cassette("test") as cassette:
assert mock_filter.call_count == 0
cassette.append(request, response)
assert mock_filter.call_count == 1
def test_before_record_response_as_filter():
request = Request("GET", "/", "", {})
response = object() # just can't be None
# Prevent actually saving the cassette
with mock.patch("vcr.cassette.FilesystemPersister.save_cassette"):
filter_all = mock.Mock(return_value=None)
vcr = VCR(before_record_response=filter_all)
with vcr.use_cassette("test") as cassette:
cassette.append(request, response)
assert cassette.data == []
assert not cassette.dirty
def test_vcr_path_transformer():
# Regression test for #199
# Prevent actually saving the cassette
with mock.patch("vcr.cassette.FilesystemPersister.save_cassette"):
# Baseline: path should be unchanged
vcr = VCR()
with vcr.use_cassette("test") as cassette:
assert cassette._path == "test"
# Regression test: path_transformer=None should do the same.
vcr = VCR(path_transformer=None)
with vcr.use_cassette("test") as cassette:
assert cassette._path == "test"
# and it should still work with cassette_library_dir
vcr = VCR(cassette_library_dir="/foo")
with vcr.use_cassette("test") as cassette:
assert os.path.abspath(cassette._path) == os.path.abspath("/foo/test")
@pytest.fixture
def random_fixture():
return 1
@use_cassette("test")
def test_fixtures_with_use_cassette(random_fixture):
# Applying a decorator to a test function that requests features can cause
# problems if the decorator does not preserve the signature of the original
# test function.
# This test ensures that use_cassette preserves the signature of
# the original test function, and thus that use_cassette is
# compatible with py.test fixtures. It is admittedly a bit strange
# because the test would never even run if the relevant feature
# were broken.
pass
def test_custom_patchers():
class Test:
attribute = None
attribute2 = None
test_vcr = VCR(custom_patches=((Test, "attribute", VCRHTTPSConnection),))
with test_vcr.use_cassette("custom_patches"):
assert issubclass(Test.attribute, VCRHTTPSConnection)
assert VCRHTTPSConnection is not Test.attribute
with test_vcr.use_cassette("custom_patches", custom_patches=((Test, "attribute2", VCRHTTPSConnection),)):
assert issubclass(Test.attribute, VCRHTTPSConnection)
assert VCRHTTPSConnection is not Test.attribute
assert Test.attribute is Test.attribute2
def test_inject_cassette():
vcr = VCR(inject_cassette=True)
@vcr.use_cassette("test", record_mode=mode.ONCE)
def with_cassette_injected(cassette):
assert cassette.record_mode == mode.ONCE
@vcr.use_cassette("test", record_mode=mode.ONCE, inject_cassette=False)
def without_cassette_injected():
pass
with_cassette_injected()
without_cassette_injected()
def test_with_current_defaults():
vcr = VCR(inject_cassette=True, record_mode=mode.ONCE)
@vcr.use_cassette("test", with_current_defaults=False)
def changing_defaults(cassette, checks):
checks(cassette)
@vcr.use_cassette("test", with_current_defaults=True)
def current_defaults(cassette, checks):
checks(cassette)
def assert_record_mode_once(cassette):
assert cassette.record_mode == mode.ONCE
def assert_record_mode_all(cassette):
assert cassette.record_mode == mode.ALL
changing_defaults(assert_record_mode_once)
current_defaults(assert_record_mode_once)
vcr.record_mode = "all"
changing_defaults(assert_record_mode_all)
current_defaults(assert_record_mode_once)
def test_cassette_library_dir_with_decoration_and_no_explicit_path():
library_dir = "/library_dir"
vcr = VCR(inject_cassette=True, cassette_library_dir=library_dir)
@vcr.use_cassette()
def function_name(cassette):
assert cassette._path == os.path.join(library_dir, "function_name")
function_name()
def test_cassette_library_dir_with_decoration_and_explicit_path():
library_dir = "/library_dir"
vcr = VCR(inject_cassette=True, cassette_library_dir=library_dir)
@vcr.use_cassette(path="custom_name")
def function_name(cassette):
assert cassette._path == os.path.join(library_dir, "custom_name")
function_name()
def test_cassette_library_dir_with_decoration_and_super_explicit_path():
library_dir = "/library_dir"
vcr = VCR(inject_cassette=True, cassette_library_dir=library_dir)
@vcr.use_cassette(path=os.path.join(library_dir, "custom_name"))
def function_name(cassette):
assert cassette._path == os.path.join(library_dir, "custom_name")
function_name()
def test_cassette_library_dir_with_path_transformer():
library_dir = "/library_dir"
vcr = VCR(
inject_cassette=True, cassette_library_dir=library_dir, path_transformer=lambda path: path + ".json"
)
@vcr.use_cassette()
def function_name(cassette):
assert cassette._path == os.path.join(library_dir, "function_name.json")
function_name()
def test_use_cassette_with_no_extra_invocation():
vcr = VCR(inject_cassette=True, cassette_library_dir="/")
@vcr.use_cassette
def function_name(cassette):
assert cassette._path == os.path.join("/", "function_name")
function_name()
def test_path_transformer():
vcr = VCR(inject_cassette=True, cassette_library_dir="/", path_transformer=lambda x: x + "_test")
@vcr.use_cassette
def function_name(cassette):
assert cassette._path == os.path.join("/", "function_name_test")
function_name()
def test_cassette_name_generator_defaults_to_using_module_function_defined_in():
vcr = VCR(inject_cassette=True)
@vcr.use_cassette
def function_name(cassette):
assert cassette._path == os.path.join(os.path.dirname(__file__), "function_name")
function_name()
def test_ensure_suffix():
vcr = VCR(inject_cassette=True, path_transformer=VCR.ensure_suffix(".yaml"))
@vcr.use_cassette
def function_name(cassette):
assert cassette._path == os.path.join(os.path.dirname(__file__), "function_name.yaml")
function_name()
def test_additional_matchers():
vcr = VCR(match_on=("uri",), inject_cassette=True)
@vcr.use_cassette
def function_defaults(cassette):
assert set(cassette._match_on) == {vcr.matchers["uri"]}
@vcr.use_cassette(additional_matchers=("body",))
def function_additional(cassette):
assert set(cassette._match_on) == {vcr.matchers["uri"], vcr.matchers["body"]}
function_defaults()
function_additional()
def test_decoration_should_respect_function_return_value():
vcr = VCR()
ret = "a-return-value"
@vcr.use_cassette
def function_with_return():
return ret
assert ret == function_with_return()
class TestVCRClass(VCR().test_case()):
def no_decoration(self):
assert httplib.HTTPConnection == _HTTPConnection
self.test_dynamically_added()
assert httplib.HTTPConnection == _HTTPConnection
def test_one(self):
with force_reset():
self.no_decoration()
with force_reset():
self.test_two()
assert httplib.HTTPConnection != _HTTPConnection
def test_two(self):
assert httplib.HTTPConnection != _HTTPConnection
def test_dynamically_added(self):
assert httplib.HTTPConnection != _HTTPConnection
TestVCRClass.test_dynamically_added = test_dynamically_added
del test_dynamically_added