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# -------------------------------------------------------------------------
# Copyright (c) Microsoft Corporation. All rights reserved.
# Licensed under the MIT License. See LICENSE.txt in the project root for
# license information.
# -------------------------------------------------------------------------
import sys
from requests import Response
import pytest
from azure.core.rest._requests_basic import RestRequestsTransportResponse
# NOTE: These tests are heavily inspired from the httpx test suite: https://github.com/encode/httpx/tree/master/tests
# Thank you httpx for your wonderful tests!
from azure.core.rest import HttpRequest
@pytest.fixture
def get_request_headers():
def _get_request_headers(header_value):
request = HttpRequest(method="GET", url="http://example.org", headers=header_value)
return request.headers
return _get_request_headers
# flask returns these response headers, which we don't really need for these following tests
RESPONSE_HEADERS_TO_IGNORE = [
"Connection",
"Content-Type",
"Content-Length",
"Server",
"Date",
]
@pytest.fixture
def get_response_headers(client):
def _get_response_headers(request):
response = client.send_request(request)
response.raise_for_status
for header in RESPONSE_HEADERS_TO_IGNORE:
response.headers.pop(header, None)
return response.headers
return _get_response_headers
def test_headers_request(get_request_headers):
h = get_request_headers({"a": "123", "b": "789"})
assert h["A"] == "123"
assert h["B"] == "789"
def test_headers_response(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
assert "a" in h
assert "A" in h
assert "b" in h
assert "B" in h
assert "c" not in h
assert h["a"] == "123, 456"
assert h["A"] == "123, 456"
assert h.get("a") == "123, 456"
assert h.get("A") == "123, 456"
assert h.get("nope") is None
assert h.get("nope", default="default") is "default"
assert h.get("nope", default=None) is None
assert h.get("nope", default=[]) == []
assert list(h) == ["a", "b"]
assert set(h.keys()) == set(["a", "b"])
assert list(h.values()) == ["123, 456", "789"]
assert list(h.items()) == [("a", "123, 456"), ("b", "789")]
assert list(h) == ["a", "b"]
assert dict(h) == {"a": "123, 456", "b": "789"}
def test_headers_response_keys(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# basically want to make sure this behaves like dict {"a": "123, 456", "b": "789"}
ref_dict = {"a": "123, 456", "b": "789"}
assert set(h.keys()) == set(ref_dict.keys())
assert repr(h.keys()) == "KeysView({'a': '123, 456', 'b': '789'})"
assert "a" in h.keys()
assert "b" in h.keys()
assert set(h.keys()) == set(ref_dict.keys())
def test_headers_response_keys_mutability(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# test mutability
before_mutation_keys = h.keys()
h["c"] = "000"
assert "c" in before_mutation_keys
def test_headers_response_values(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# basically want to make sure this behaves like dict {"a": "123, 456", "b": "789"}
ref_dict = {"a": "123, 456", "b": "789"}
assert set(h.values()) == set(ref_dict.values())
assert repr(h.values()) == "ValuesView({'a': '123, 456', 'b': '789'})"
assert "123, 456" in h.values()
assert "789" in h.values()
assert set(h.values()) == set(ref_dict.values())
def test_headers_response_values_mutability(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# test mutability
before_mutation_values = h.values()
h["c"] = "000"
assert "000" in before_mutation_values
def test_headers_response_items(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# basically want to make sure this behaves like dict {"a": "123, 456", "b": "789"}
ref_dict = {"a": "123, 456", "b": "789"}
assert set(h.items()) == set(ref_dict.items())
assert repr(h.items()) == "ItemsView({'a': '123, 456', 'b': '789'})"
assert ("a", "123, 456") in h.items()
assert not ("a", "123, 456", "123, 456") in h.items()
assert not {"a": "blah", "123, 456": "blah"} in h.items()
assert ("A", "123, 456") in h.items()
assert ("b", "789") in h.items()
assert ("B", "789") in h.items()
assert set(h.items()) == set(ref_dict.items())
def test_headers_response_items_mutability(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers"))
# test mutability
before_mutation_items = h.items()
h["c"] = "000"
assert ("c", "000") in before_mutation_items
def test_header_mutations(get_request_headers, get_response_headers):
def _headers_check(h):
assert dict(h) == {}
h["a"] = "1"
assert dict(h) == {"a": "1"}
h["a"] = "2"
assert dict(h) == {"a": "2"}
h.setdefault("a", "3")
assert dict(h) == {"a": "2"}
h.setdefault("b", "4")
assert dict(h) == {"a": "2", "b": "4"}
del h["a"]
assert dict(h) == {"b": "4"}
_headers_check(get_request_headers({}))
_headers_check(get_response_headers(HttpRequest("GET", "/headers/empty")))
def test_copy_headers_method(get_request_headers, get_response_headers):
def _header_check(h):
headers_copy = h.copy()
assert h == headers_copy
assert h is not headers_copy
_header_check(
get_request_headers(
{
"lowercase-header": "lowercase",
"ALLCAPS-HEADER": "ALLCAPS",
"CamelCase-Header": "camelCase",
}
)
)
_header_check(get_response_headers(HttpRequest("GET", "/headers/case-insensitive")))
def test_headers_insert_retains_ordering(get_request_headers, get_response_headers):
def _header_check(h):
h["b"] = "123"
if sys.version_info >= (3, 6):
assert list(h.values()) == ["a", "123", "c"]
else:
assert set(h.values()) == set(["a", "123", "c"])
_header_check(get_request_headers({"a": "a", "b": "b", "c": "c"}))
_header_check(get_response_headers(HttpRequest("GET", "/headers/ordered")))
def test_headers_insert_appends_if_new(get_request_headers, get_response_headers):
def _headers_check(h):
h["d"] = "123"
if sys.version_info >= (3, 6):
assert list(h.values()) == ["lowercase", "ALLCAPS", "camelCase", "123"]
else:
assert set(list(h.values())) == set(["lowercase", "ALLCAPS", "camelCase", "123"])
_headers_check(
get_request_headers(
{
"lowercase-header": "lowercase",
"ALLCAPS-HEADER": "ALLCAPS",
"CamelCase-Header": "camelCase",
}
)
)
_headers_check(get_response_headers(HttpRequest("GET", "/headers/case-insensitive")))
def test_headers_insert_removes_all_existing(get_request_headers, get_response_headers):
def _headers_check(h):
h["a"] = "789"
assert dict(h) == {"a": "789", "b": "789"}
_headers_check(get_request_headers([("a", "123"), ("a", "456"), ("b", "789")]))
_headers_check(get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers")))
def test_headers_delete_removes_all_existing(get_request_headers, get_response_headers):
def _headers_check(h):
del h["a"]
assert dict(h) == {"b": "789"}
_headers_check(get_request_headers([("a", "123"), ("a", "456"), ("b", "789")]))
_headers_check(get_response_headers(HttpRequest("GET", "/headers/duplicate/numbers")))
def test_headers_not_override():
request = HttpRequest(
"PUT",
"http://example.org",
json={"hello": "world"},
headers={"Content-Length": "5000", "Content-Type": "application/my-content-type"},
)
assert request.headers["Content-Length"] == "5000"
assert request.headers["Content-Type"] == "application/my-content-type"
def test_headers_case_insensitive(get_request_headers, get_response_headers):
def _headers_check(h):
assert (
h["lowercase-header"]
== h["LOWERCASE-HEADER"]
== h["Lowercase-Header"]
== h["lOwErCasE-HeADer"]
== "lowercase"
)
assert h["allcaps-header"] == h["ALLCAPS-HEADER"] == h["Allcaps-Header"] == h["AlLCapS-HeADer"] == "ALLCAPS"
assert (
h["camelcase-header"]
== h["CAMELCASE-HEADER"]
== h["CamelCase-Header"]
== h["cAMeLCaSE-hEadER"]
== "camelCase"
)
_headers_check(
get_request_headers(
{
"lowercase-header": "lowercase",
"ALLCAPS-HEADER": "ALLCAPS",
"CamelCase-Header": "camelCase",
}
)
)
_headers_check(get_response_headers(HttpRequest("GET", "/headers/case-insensitive")))
def test_multiple_headers_duplicate_case_insensitive(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/case-insensitive"))
assert h["Duplicate-Header"] == h["duplicate-header"] == h["DupLicAte-HeaDER"] == "one, two, three"
def test_multiple_headers_commas(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/commas"))
assert h["Set-Cookie"] == "a, b, c"
def test_update(get_response_headers):
h = get_response_headers(HttpRequest("GET", "/headers/duplicate/commas"))
assert h["Set-Cookie"] == "a, b, c"
h.update({"Set-Cookie": "override", "new-key": "new-value"})
assert h["Set-Cookie"] == "override"
assert h["new-key"] == "new-value"
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