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// Copyright 2006-2008 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/http/http_vary_data.h"
#include <algorithm>
#include <array>
#include "net/http/http_request_info.h"
#include "net/http/http_response_headers.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace net {
namespace {
typedef testing::Test HttpVaryDataTest;
using ExtraHeaders = std::vector<std::pair<std::string, std::string>>;
struct TestTransaction {
HttpRequestInfo request;
scoped_refptr<HttpResponseHeaders> response;
void Init(const ExtraHeaders& request_headers,
const std::string& response_headers) {
std::string temp(response_headers);
std::replace(temp.begin(), temp.end(), '\n', '\0');
response = base::MakeRefCounted<HttpResponseHeaders>(temp);
request.extra_headers.Clear();
for (const auto& [key, value] : request_headers)
request.extra_headers.SetHeader(key, value);
}
};
} // namespace
TEST(HttpVaryDataTest, IsInvalid) {
// Only first of these result in an invalid vary data object.
const auto kTestResponses = std::to_array<const char*>({
"HTTP/1.1 200 OK\n\n",
"HTTP/1.1 200 OK\nVary: *\n\n",
"HTTP/1.1 200 OK\nVary: cookie, *, bar\n\n",
"HTTP/1.1 200 OK\nVary: cookie\nFoo: 1\nVary: *\n\n",
});
const auto kExpectedValid = std::to_array<bool>({false, true, true, true});
for (size_t i = 0; i < std::size(kTestResponses); ++i) {
TestTransaction t;
t.Init(/*request_headers=*/{}, kTestResponses[i]);
HttpVaryData v;
EXPECT_FALSE(v.is_valid());
EXPECT_EQ(kExpectedValid[i], v.Init(t.request, *t.response.get()));
EXPECT_EQ(kExpectedValid[i], v.is_valid());
}
}
TEST(HttpVaryDataTest, MultipleInit) {
HttpVaryData v;
// Init to something valid.
TestTransaction t1;
t1.Init({{"Foo", "1"}, {"bar", "23"}}, "HTTP/1.1 200 OK\nVary: foo, bar\n\n");
EXPECT_TRUE(v.Init(t1.request, *t1.response.get()));
EXPECT_TRUE(v.is_valid());
// Now overwrite by initializing to something invalid.
TestTransaction t2;
t2.Init({{"Foo", "1"}, {"bar", "23"}}, "HTTP/1.1 200 OK\n\n");
EXPECT_FALSE(v.Init(t2.request, *t2.response.get()));
EXPECT_FALSE(v.is_valid());
}
TEST(HttpVaryDataTest, DoesVary) {
TestTransaction a;
a.Init({{"Foo", "1"}}, "HTTP/1.1 200 OK\nVary: foo\n\n");
TestTransaction b;
b.Init({{"Foo", "2"}}, "HTTP/1.1 200 OK\nVary: foo\n\n");
HttpVaryData v;
EXPECT_TRUE(v.Init(a.request, *a.response.get()));
EXPECT_FALSE(v.MatchesRequest(b.request, *b.response.get()));
}
TEST(HttpVaryDataTest, DoesVary2) {
TestTransaction a;
a.Init({{"Foo", "1"}, {"bar", "23"}}, "HTTP/1.1 200 OK\nVary: foo, bar\n\n");
TestTransaction b;
b.Init({{"Foo", "12"}, {"bar", "3"}}, "HTTP/1.1 200 OK\nVary: foo, bar\n\n");
HttpVaryData v;
EXPECT_TRUE(v.Init(a.request, *a.response.get()));
EXPECT_FALSE(v.MatchesRequest(b.request, *b.response.get()));
}
TEST(HttpVaryDataTest, DoesVaryStar) {
// Vary: * varies even when headers are identical
const ExtraHeaders kRequestHeaders = {{"Foo", "1"}};
const char kResponse[] = "HTTP/1.1 200 OK\nVary: *\n\n";
TestTransaction a;
a.Init(kRequestHeaders, kResponse);
TestTransaction b;
b.Init(kRequestHeaders, kResponse);
HttpVaryData v;
EXPECT_TRUE(v.Init(a.request, *a.response.get()));
EXPECT_FALSE(v.MatchesRequest(b.request, *b.response.get()));
}
TEST(HttpVaryDataTest, DoesntVary) {
TestTransaction a;
a.Init({{"Foo", "1"}}, "HTTP/1.1 200 OK\nVary: foo\n\n");
TestTransaction b;
b.Init({{"Foo", "1"}}, "HTTP/1.1 200 OK\nVary: foo\n\n");
HttpVaryData v;
EXPECT_TRUE(v.Init(a.request, *a.response.get()));
EXPECT_TRUE(v.MatchesRequest(b.request, *b.response.get()));
}
TEST(HttpVaryDataTest, DoesntVary2) {
TestTransaction a;
a.Init({{"Foo", "1"}, {"bAr", "2"}}, "HTTP/1.1 200 OK\nVary: foo, bar\n\n");
TestTransaction b;
b.Init({{"Foo", "1"}, {"baR", "2"}},
"HTTP/1.1 200 OK\nVary: foo\nVary: bar\n\n");
HttpVaryData v;
EXPECT_TRUE(v.Init(a.request, *a.response.get()));
EXPECT_TRUE(v.MatchesRequest(b.request, *b.response.get()));
}
TEST(HttpVaryDataTest, DoesntVaryByCookieForRedirect) {
TestTransaction a;
a.Init({{"Cookie", "1"}}, "HTTP/1.1 301 Moved\nLocation: x\n\n");
HttpVaryData v;
EXPECT_FALSE(v.Init(a.request, *a.response.get()));
}
} // namespace net
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