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import gzip
import json
import zlib
from io import BytesIO
from unittest import mock
from vcr.filters import (
decode_response,
remove_headers,
remove_post_data_parameters,
remove_query_parameters,
replace_headers,
replace_post_data_parameters,
replace_query_parameters,
)
from vcr.request import Request
def test_replace_headers():
# This tests all of:
# 1. keeping a header
# 2. removing a header
# 3. replacing a header
# 4. replacing a header using a callable
# 5. removing a header using a callable
# 6. replacing a header that doesn't exist
headers = {"one": ["keep"], "two": ["lose"], "three": ["change"], "four": ["shout"], "five": ["whisper"]}
request = Request("GET", "http://google.com", "", headers)
replace_headers(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
assert request.headers == {"one": "keep", "three": "tada", "four": "SHOUT"}
def test_replace_headers_empty():
headers = {"hello": "goodbye", "secret": "header"}
request = Request("GET", "http://google.com", "", headers)
replace_headers(request, [])
assert request.headers == headers
def test_replace_headers_callable():
# This goes beyond test_replace_headers() to ensure that the callable
# receives the expected arguments.
headers = {"hey": "there"}
request = Request("GET", "http://google.com", "", headers)
callme = mock.Mock(return_value="ho")
replace_headers(request, [("hey", callme)])
assert request.headers == {"hey": "ho"}
assert callme.call_args == ((), {"request": request, "key": "hey", "value": "there"})
def test_remove_headers():
# Test the backward-compatible API wrapper.
headers = {"hello": ["goodbye"], "secret": ["header"]}
request = Request("GET", "http://google.com", "", headers)
remove_headers(request, ["secret"])
assert request.headers == {"hello": "goodbye"}
def test_replace_query_parameters():
# This tests all of:
# 1. keeping a parameter
# 2. removing a parameter
# 3. replacing a parameter
# 4. replacing a parameter using a callable
# 5. removing a parameter using a callable
# 6. replacing a parameter that doesn't exist
uri = "http://g.com/?one=keep&two=lose&three=change&four=shout&five=whisper"
request = Request("GET", uri, "", {})
replace_query_parameters(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
assert request.query == [("four", "SHOUT"), ("one", "keep"), ("three", "tada")]
def test_remove_all_query_parameters():
uri = "http://g.com/?q=cowboys&w=1"
request = Request("GET", uri, "", {})
replace_query_parameters(request, [("w", None), ("q", None)])
assert request.uri == "http://g.com/"
def test_replace_query_parameters_callable():
# This goes beyond test_replace_query_parameters() to ensure that the
# callable receives the expected arguments.
uri = "http://g.com/?hey=there"
request = Request("GET", uri, "", {})
callme = mock.Mock(return_value="ho")
replace_query_parameters(request, [("hey", callme)])
assert request.uri == "http://g.com/?hey=ho"
assert callme.call_args == ((), {"request": request, "key": "hey", "value": "there"})
def test_remove_query_parameters():
# Test the backward-compatible API wrapper.
uri = "http://g.com/?q=cowboys&w=1"
request = Request("GET", uri, "", {})
remove_query_parameters(request, ["w"])
assert request.uri == "http://g.com/?q=cowboys"
def test_replace_post_data_parameters():
# This tests all of:
# 1. keeping a parameter
# 2. removing a parameter
# 3. replacing a parameter
# 4. replacing a parameter using a callable
# 5. removing a parameter using a callable
# 6. replacing a parameter that doesn't exist
body = b"one=keep&two=lose&three=change&four=shout&five=whisper"
request = Request("POST", "http://google.com", body, {})
replace_post_data_parameters(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
assert request.body == b"one=keep&three=tada&four=SHOUT"
def test_replace_post_data_parameters_empty_body():
# This test ensures replace_post_data_parameters doesn't throw exception when body is empty.
body = None
request = Request("POST", "http://google.com", body, {})
replace_post_data_parameters(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
assert request.body is None
def test_remove_post_data_parameters():
# Test the backward-compatible API wrapper.
body = b"id=secret&foo=bar"
request = Request("POST", "http://google.com", body, {})
remove_post_data_parameters(request, ["id"])
assert request.body == b"foo=bar"
def test_preserve_multiple_post_data_parameters():
body = b"id=secret&foo=bar&foo=baz"
request = Request("POST", "http://google.com", body, {})
replace_post_data_parameters(request, [("id", None)])
assert request.body == b"foo=bar&foo=baz"
def test_remove_all_post_data_parameters():
body = b"id=secret&foo=bar"
request = Request("POST", "http://google.com", body, {})
replace_post_data_parameters(request, [("id", None), ("foo", None)])
assert request.body == b""
def test_replace_json_post_data_parameters():
# This tests all of:
# 1. keeping a parameter
# 2. removing a parameter
# 3. replacing a parameter
# 4. replacing a parameter using a callable
# 5. removing a parameter using a callable
# 6. replacing a parameter that doesn't exist
body = b'{"one": "keep", "two": "lose", "three": "change", "four": "shout", "five": "whisper"}'
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/json"
replace_post_data_parameters(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
request_data = json.loads(request.body)
expected_data = json.loads('{"one": "keep", "three": "tada", "four": "SHOUT"}')
assert request_data == expected_data
def test_remove_json_post_data_parameters():
# Test the backward-compatible API wrapper.
body = b'{"id": "secret", "foo": "bar", "baz": "qux"}'
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/json"
remove_post_data_parameters(request, ["id"])
request_body_json = json.loads(request.body)
expected_json = json.loads(b'{"foo": "bar", "baz": "qux"}')
assert request_body_json == expected_json
def test_remove_all_json_post_data_parameters():
body = b'{"id": "secret", "foo": "bar"}'
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/json"
replace_post_data_parameters(request, [("id", None), ("foo", None)])
assert request.body == b"{}"
def test_replace_dict_post_data_parameters():
# This tests all of:
# 1. keeping a parameter
# 2. removing a parameter
# 3. replacing a parameter
# 4. replacing a parameter using a callable
# 5. removing a parameter using a callable
# 6. replacing a parameter that doesn't exist
body = {"one": "keep", "two": "lose", "three": "change", "four": "shout", "five": "whisper"}
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/x-www-form-urlencoded"
replace_post_data_parameters(
request,
[
("two", None),
("three", "tada"),
("four", lambda key, value, request: value.upper()),
("five", lambda key, value, request: None),
("six", "doesntexist"),
],
)
expected_data = {"one": "keep", "three": "tada", "four": "SHOUT"}
assert request.body == expected_data
def test_remove_dict_post_data_parameters():
# Test the backward-compatible API wrapper.
body = {"id": "secret", "foo": "bar", "baz": "qux"}
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/x-www-form-urlencoded"
remove_post_data_parameters(request, ["id"])
expected_data = {"foo": "bar", "baz": "qux"}
assert request.body == expected_data
def test_remove_all_dict_post_data_parameters():
body = {"id": "secret", "foo": "bar"}
request = Request("POST", "http://google.com", body, {})
request.headers["Content-Type"] = "application/x-www-form-urlencoded"
replace_post_data_parameters(request, [("id", None), ("foo", None)])
assert request.body == {}
def test_decode_response_uncompressed():
recorded_response = {
"status": {"message": "OK", "code": 200},
"headers": {
"content-length": ["10806"],
"date": ["Fri, 24 Oct 2014 18:35:37 GMT"],
"content-type": ["text/html; charset=utf-8"],
},
"body": {"string": b""},
}
assert decode_response(recorded_response) == recorded_response
def test_decode_response_deflate():
body = b"deflate message"
deflate_response = {
"body": {"string": zlib.compress(body)},
"headers": {
"access-control-allow-credentials": ["true"],
"access-control-allow-origin": ["*"],
"connection": ["keep-alive"],
"content-encoding": ["deflate"],
"content-length": ["177"],
"content-type": ["application/json"],
"date": ["Wed, 02 Dec 2015 19:44:32 GMT"],
"server": ["nginx"],
},
"status": {"code": 200, "message": "OK"},
}
decoded_response = decode_response(deflate_response)
assert decoded_response["body"]["string"] == body
assert decoded_response["headers"]["content-length"] == [str(len(body))]
def test_decode_response_deflate_already_decompressed():
body = b"deflate message"
gzip_response = {
"body": {"string": body},
"headers": {
"content-encoding": ["deflate"],
},
}
decoded_response = decode_response(gzip_response)
assert decoded_response["body"]["string"] == body
def test_decode_response_gzip():
body = b"gzip message"
buf = BytesIO()
f = gzip.GzipFile("a", fileobj=buf, mode="wb")
f.write(body)
f.close()
compressed_body = buf.getvalue()
buf.close()
gzip_response = {
"body": {"string": compressed_body},
"headers": {
"access-control-allow-credentials": ["true"],
"access-control-allow-origin": ["*"],
"connection": ["keep-alive"],
"content-encoding": ["gzip"],
"content-length": ["177"],
"content-type": ["application/json"],
"date": ["Wed, 02 Dec 2015 19:44:32 GMT"],
"server": ["nginx"],
},
"status": {"code": 200, "message": "OK"},
}
decoded_response = decode_response(gzip_response)
assert decoded_response["body"]["string"] == body
assert decoded_response["headers"]["content-length"] == [str(len(body))]
def test_decode_response_gzip_already_decompressed():
body = b"gzip message"
gzip_response = {
"body": {"string": body},
"headers": {
"content-encoding": ["gzip"],
},
}
decoded_response = decode_response(gzip_response)
assert decoded_response["body"]["string"] == body
|
