1 // Copyright 2015 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "third_party/blink/renderer/core/html/parser/html_resource_preloader.h"
6
7 #include <memory>
8 #include <utility>
9 #include "testing/gtest/include/gtest/gtest.h"
10 #include "third_party/blink/public/platform/web_prescient_networking.h"
11 #include "third_party/blink/renderer/core/frame/local_frame.h"
12 #include "third_party/blink/renderer/core/html/parser/preload_request.h"
13 #include "third_party/blink/renderer/core/testing/page_test_base.h"
14
15 namespace blink {
16
17 struct HTMLResourcePreconnectTestCase {
18 const char* base_url;
19 const char* url;
20 bool is_cors;
21 bool is_https;
22 };
23
24 class PreloaderNetworkHintsMock : public WebPrescientNetworking {
25 public:
PreloaderNetworkHintsMock()26 PreloaderNetworkHintsMock() : did_preconnect_(false) {}
27
PrefetchDNS(const WebString & hostname)28 void PrefetchDNS(const WebString& hostname) override {}
Preconnect(const WebURL & url,bool allow_credentials)29 void Preconnect(const WebURL& url, bool allow_credentials) override {
30 did_preconnect_ = true;
31 is_https_ = url.ProtocolIs("https");
32 allow_credentials_ = allow_credentials;
33 }
34
DidPreconnect()35 bool DidPreconnect() { return did_preconnect_; }
IsHTTPS()36 bool IsHTTPS() { return is_https_; }
AllowCredentials()37 bool AllowCredentials() { return allow_credentials_; }
38
39 private:
40 mutable bool did_preconnect_;
41 mutable bool is_https_;
42 mutable bool allow_credentials_;
43 };
44
45 class HTMLResourcePreloaderTest : public PageTestBase {
46 protected:
SetUp()47 void SetUp() override {
48 PageTestBase::SetUp(IntSize());
49 GetFrame().SetPrescientNetworkingForTesting(
50 std::make_unique<PreloaderNetworkHintsMock>());
51 mock_network_hints_ = static_cast<PreloaderNetworkHintsMock*>(
52 GetFrame().PrescientNetworking());
53 }
54
Test(HTMLResourcePreconnectTestCase test_case)55 void Test(HTMLResourcePreconnectTestCase test_case) {
56 // TODO(yoav): Need a mock loader here to verify things are happenning
57 // beyond preconnect.
58 auto preload_request = PreloadRequest::CreateIfNeeded(
59 String(), TextPosition(), test_case.url, KURL(test_case.base_url),
60 ResourceType::kImage, network::mojom::ReferrerPolicy(),
61 PreloadRequest::kDocumentIsReferrer, ResourceFetcher::kImageNotImageSet,
62 FetchParameters::ResourceWidth(), ClientHintsPreferences(),
63 PreloadRequest::kRequestTypePreconnect);
64 DCHECK(preload_request);
65 if (test_case.is_cors)
66 preload_request->SetCrossOrigin(kCrossOriginAttributeAnonymous);
67 auto* preloader =
68 MakeGarbageCollected<HTMLResourcePreloader>(GetDocument());
69 preloader->Preload(std::move(preload_request));
70 ASSERT_TRUE(mock_network_hints_->DidPreconnect());
71 ASSERT_NE(test_case.is_cors, mock_network_hints_->AllowCredentials());
72 ASSERT_EQ(test_case.is_https, mock_network_hints_->IsHTTPS());
73 }
74
75 PreloaderNetworkHintsMock* mock_network_hints_ = nullptr;
76 };
77
TEST_F(HTMLResourcePreloaderTest,testPreconnect)78 TEST_F(HTMLResourcePreloaderTest, testPreconnect) {
79 HTMLResourcePreconnectTestCase test_cases[] = {
80 {"http://example.test", "http://example.com", false, false},
81 {"http://example.test", "http://example.com", true, false},
82 {"http://example.test", "https://example.com", true, true},
83 {"http://example.test", "https://example.com", false, true},
84 {"http://example.test", "//example.com", false, false},
85 {"http://example.test", "//example.com", true, false},
86 {"https://example.test", "//example.com", false, true},
87 {"https://example.test", "//example.com", true, true},
88 };
89
90 for (const auto& test_case : test_cases)
91 Test(test_case);
92 }
93
94 } // namespace blink
95