| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "config.h" |
| #include "core/html/parser/HTMLPreloadScanner.h" |
| |
| #include "core/MediaTypeNames.h" |
| #include "core/css/MediaValuesCached.h" |
| #include "core/fetch/ClientHintsPreferences.h" |
| #include "core/frame/Settings.h" |
| #include "core/html/CrossOriginAttribute.h" |
| #include "core/html/parser/HTMLParserOptions.h" |
| #include "core/html/parser/HTMLResourcePreloader.h" |
| #include "core/testing/DummyPageHolder.h" |
| #include <gtest/gtest.h> |
| |
| namespace blink { |
| |
| struct TestCase { |
| const char* baseURL; |
| const char* inputHTML; |
| const char* preloadedURL; // Or nullptr if no preload is expected. |
| const char* outputBaseURL; |
| Resource::Type type; |
| int resourceWidth; |
| ClientHintsPreferences preferences; |
| }; |
| |
| struct PreconnectTestCase { |
| const char* baseURL; |
| const char* inputHTML; |
| const char* preconnectedHost; |
| CrossOriginAttributeValue crossOrigin; |
| }; |
| |
| struct ReferrerPolicyTestCase { |
| const char* baseURL; |
| const char* inputHTML; |
| const char* preloadedURL; // Or nullptr if no preload is expected. |
| const char* outputBaseURL; |
| Resource::Type type; |
| int resourceWidth; |
| ReferrerPolicy referrerPolicy; |
| }; |
| |
| class MockHTMLResourcePreloader : public ResourcePreloader { |
| public: |
| void preloadRequestVerification(Resource::Type type, const char* url, const char* baseURL, int width, const ClientHintsPreferences& preferences) |
| { |
| if (!url) { |
| EXPECT_FALSE(m_preloadRequest); |
| return; |
| } |
| EXPECT_FALSE(m_preloadRequest->isPreconnect()); |
| EXPECT_EQ(type, m_preloadRequest->resourceType()); |
| EXPECT_STREQ(url, m_preloadRequest->resourceURL().ascii().data()); |
| EXPECT_STREQ(baseURL, m_preloadRequest->baseURL().string().ascii().data()); |
| EXPECT_EQ(width, m_preloadRequest->resourceWidth()); |
| EXPECT_EQ(preferences.shouldSendDPR(), m_preloadRequest->preferences().shouldSendDPR()); |
| EXPECT_EQ(preferences.shouldSendResourceWidth(), m_preloadRequest->preferences().shouldSendResourceWidth()); |
| EXPECT_EQ(preferences.shouldSendViewportWidth(), m_preloadRequest->preferences().shouldSendViewportWidth()); |
| } |
| |
| void preloadRequestVerification(Resource::Type type, const char* url, const char* baseURL, int width, ReferrerPolicy referrerPolicy) |
| { |
| preloadRequestVerification(type, url, baseURL, width, ClientHintsPreferences()); |
| EXPECT_EQ(referrerPolicy, m_preloadRequest->referrerPolicy()); |
| } |
| |
| void preconnectRequestVerification(const String& host, CrossOriginAttributeValue crossOrigin) |
| { |
| if (!host.isNull()) { |
| EXPECT_TRUE(m_preloadRequest->isPreconnect()); |
| EXPECT_STREQ(m_preloadRequest->resourceURL().ascii().data(), host.ascii().data()); |
| EXPECT_EQ(m_preloadRequest->isCORS(), crossOrigin != CrossOriginAttributeNotSet); |
| EXPECT_EQ(m_preloadRequest->isAllowCredentials(), crossOrigin == CrossOriginAttributeUseCredentials); |
| } |
| } |
| |
| protected: |
| void preload(PassOwnPtr<PreloadRequest> preloadRequest, const NetworkHintsInterface&) override |
| { |
| m_preloadRequest = preloadRequest; |
| } |
| |
| private: |
| OwnPtr<PreloadRequest> m_preloadRequest; |
| }; |
| |
| class HTMLPreloadScannerTest : public testing::Test { |
| protected: |
| enum ViewportState { |
| ViewportEnabled, |
| ViewportDisabled, |
| }; |
| |
| enum PreloadState { |
| PreloadEnabled, |
| PreloadDisabled, |
| }; |
| |
| HTMLPreloadScannerTest() |
| : m_dummyPageHolder(DummyPageHolder::create()) |
| { |
| } |
| |
| PassRefPtrWillBeRawPtr<MediaValues> createMediaValues() |
| { |
| MediaValuesCached::MediaValuesCachedData data; |
| data.viewportWidth = 500; |
| data.viewportHeight = 600; |
| data.deviceWidth = 500; |
| data.deviceHeight = 500; |
| data.devicePixelRatio = 2.0; |
| data.colorBitsPerComponent = 24; |
| data.monochromeBitsPerComponent = 0; |
| data.primaryPointerType = PointerTypeFine; |
| data.defaultFontSize = 16; |
| data.threeDEnabled = true; |
| data.mediaType = MediaTypeNames::screen; |
| data.strictMode = true; |
| data.displayMode = WebDisplayModeBrowser; |
| return MediaValuesCached::create(data); |
| } |
| |
| void runSetUp(ViewportState viewportState, PreloadState preloadState = PreloadEnabled) |
| { |
| HTMLParserOptions options(&m_dummyPageHolder->document()); |
| KURL documentURL(ParsedURLString, "http://whatever.test/"); |
| m_dummyPageHolder->document().settings()->setViewportEnabled(viewportState == ViewportEnabled); |
| m_dummyPageHolder->document().settings()->setViewportMetaEnabled(viewportState == ViewportEnabled); |
| m_dummyPageHolder->document().settings()->setDoHtmlPreloadScanning(preloadState == PreloadEnabled); |
| m_scanner = HTMLPreloadScanner::create(options, documentURL, CachedDocumentParameters::create(&m_dummyPageHolder->document(), createMediaValues())); |
| } |
| |
| void SetUp() override |
| { |
| runSetUp(ViewportEnabled); |
| } |
| |
| void test(TestCase testCase) |
| { |
| MockHTMLResourcePreloader preloader; |
| KURL baseURL(ParsedURLString, testCase.baseURL); |
| m_scanner->appendToEnd(String(testCase.inputHTML)); |
| m_scanner->scan(&preloader, baseURL); |
| |
| preloader.preloadRequestVerification(testCase.type, testCase.preloadedURL, testCase.outputBaseURL, testCase.resourceWidth, testCase.preferences); |
| } |
| |
| void test(PreconnectTestCase testCase) |
| { |
| MockHTMLResourcePreloader preloader; |
| KURL baseURL(ParsedURLString, testCase.baseURL); |
| m_scanner->appendToEnd(String(testCase.inputHTML)); |
| m_scanner->scan(&preloader, baseURL); |
| preloader.preconnectRequestVerification(testCase.preconnectedHost, testCase.crossOrigin); |
| } |
| |
| void test(ReferrerPolicyTestCase testCase) |
| { |
| MockHTMLResourcePreloader preloader; |
| KURL baseURL(ParsedURLString, testCase.baseURL); |
| m_scanner->appendToEnd(String(testCase.inputHTML)); |
| m_scanner->scan(&preloader, baseURL); |
| |
| preloader.preloadRequestVerification(testCase.type, testCase.preloadedURL, testCase.outputBaseURL, testCase.resourceWidth, testCase.referrerPolicy); |
| } |
| |
| private: |
| OwnPtr<DummyPageHolder> m_dummyPageHolder; |
| OwnPtr<HTMLPreloadScanner> m_scanner; |
| }; |
| |
| TEST_F(HTMLPreloadScannerTest, testImages) |
| { |
| TestCase testCases[] = { |
| {"http://example.test", "<img src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 1x'>", "bla2.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 0.5x'>", "bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w'>", "bla2.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w'>", "bla3.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' sizes='50vw'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img src='bla.gif' sizes='50vw' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' src='bla.gif'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' src='bla.gif' sizes='50vw'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' sizes='50vw' src='bla.gif'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w'>", "bla4.gif", "http://example.test/", Resource::Image, 0}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testImagesWithViewport) |
| { |
| TestCase testCases[] = { |
| {"http://example.test", "<meta name=viewport content='width=160'><img srcset='bla.gif 320w, blabla.gif 640w'>", "bla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 1x'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 0.5x'>", "bla.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 160w'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 160w, bla3.gif 250w'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img src='bla.gif' srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w' sizes='50vw'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img src='bla.gif' sizes='50vw' srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img sizes='50vw' srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w' src='bla.gif'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w' src='bla.gif' sizes='50vw'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| {"http://example.test", "<img srcset='bla2.gif 160w, bla3.gif 250w, bla4.gif 500w' sizes='50vw' src='bla.gif'>", "bla2.gif", "http://example.test/", Resource::Image, 80}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testImagesWithViewportDisabled) |
| { |
| runSetUp(ViewportDisabled); |
| TestCase testCases[] = { |
| {"http://example.test", "<meta name=viewport content='width=160'><img src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif'>", "bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 1x'>", "bla2.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 0.5x'>", "bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w'>", "bla2.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w'>", "bla3.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img src='bla.gif' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' sizes='50vw'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img src='bla.gif' sizes='50vw' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img sizes='50vw' srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' src='bla.gif'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' src='bla.gif' sizes='50vw'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<img srcset='bla2.gif 100w, bla3.gif 250w, bla4.gif 500w' sizes='50vw' src='bla.gif'>", "bla4.gif", "http://example.test/", Resource::Image, 250}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testViewportNoContent) |
| { |
| TestCase testCases[] = { |
| {"http://example.test", "<meta name=viewport><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<meta name=viewport content=sdkbsdkjnejjha><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testMetaAcceptCH) |
| { |
| ClientHintsPreferences dpr; |
| ClientHintsPreferences resourceWidth; |
| ClientHintsPreferences all; |
| ClientHintsPreferences viewportWidth; |
| dpr.setShouldSendDPR(true); |
| all.setShouldSendDPR(true); |
| resourceWidth.setShouldSendResourceWidth(true); |
| all.setShouldSendResourceWidth(true); |
| viewportWidth.setShouldSendViewportWidth(true); |
| all.setShouldSendViewportWidth(true); |
| TestCase testCases[] = { |
| {"http://example.test", "<meta http-equiv='accept-ch' content='bla'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content='dprw'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<meta http-equiv='accept-ch'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content='dpr \t'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0, dpr}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content='bla,dpr \t'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0, dpr}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content=' width '><img sizes='100vw' srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 500, resourceWidth}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content=' width , wutever'><img sizes='300px' srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 300, resourceWidth}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content=' viewport-width '><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0, viewportWidth}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content=' viewport-width , wutever'><img srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 0, viewportWidth}, |
| {"http://example.test", "<meta http-equiv='accept-ch' content=' viewport-width ,width, wutever, dpr \t'><img sizes='90vw' srcset='bla.gif 320w, blabla.gif 640w'>", "blabla.gif", "http://example.test/", Resource::Image, 450, all}, |
| }; |
| |
| for (const auto& testCase : testCases) { |
| runSetUp(ViewportDisabled); |
| test(testCase); |
| } |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testPreconnect) |
| { |
| PreconnectTestCase testCases[] = { |
| {"http://example.test", "<link rel=preconnect href=http://example2.test>", "http://example2.test", CrossOriginAttributeNotSet}, |
| {"http://example.test", "<link rel=preconnect href=http://example2.test crossorigin=anonymous>", "http://example2.test", CrossOriginAttributeAnonymous}, |
| {"http://example.test", "<link rel=preconnect href=http://example2.test crossorigin='use-credentials'>", "http://example2.test", CrossOriginAttributeUseCredentials}, |
| {"http://example.test", "<link rel=preconnected href=http://example2.test crossorigin='use-credentials'>", nullptr, CrossOriginAttributeNotSet}, |
| {"http://example.test", "<link rel=preconnect href=ws://example2.test crossorigin='use-credentials'>", nullptr, CrossOriginAttributeNotSet}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testDisables) |
| { |
| runSetUp(ViewportEnabled, PreloadDisabled); |
| |
| TestCase testCases[] = { |
| {"http://example.test", "<img src='bla.gif'>"}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testPicture) |
| { |
| TestCase testCases[] = { |
| {"http://example.test", "<picture><source srcset='srcset_bla.gif'><img src='bla.gif'></picture>", "srcset_bla.gif", "http://example.test/", Resource::Image, 0}, |
| {"http://example.test", "<picture><source sizes='50vw' srcset='srcset_bla.gif'><img src='bla.gif'></picture>", "srcset_bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<picture><source sizes='50vw' srcset='srcset_bla.gif'><img sizes='50w' src='bla.gif'></picture>", "srcset_bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<picture><source srcset='srcset_bla.gif' sizes='50vw'><img sizes='50w' src='bla.gif'></picture>", "srcset_bla.gif", "http://example.test/", Resource::Image, 250}, |
| {"http://example.test", "<picture><source srcset='srcset_bla.gif'><img sizes='50w' src='bla.gif'></picture>", "srcset_bla.gif", "http://example.test/", Resource::Image, 0}, |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| TEST_F(HTMLPreloadScannerTest, testReferrerPolicy) |
| { |
| ReferrerPolicyTestCase testCases[] = { |
| { "http://example.test", "<img src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyDefault }, |
| { "http://example.test", "<img referrerpolicy='origin' src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyOrigin }, |
| { "http://example.test", "<meta name='referrer' content='not-a-valid-policy'><img src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyDefault }, |
| { "http://example.test", "<img referrerpolicy='origin' referrerpolicy='origin-when-crossorigin' src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyOrigin }, |
| { "http://example.test", "<img referrerpolicy='not-a-valid-policy' src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyDefault }, |
| { "http://example.test", "<meta name='referrer' content='no-referrer'><img referrerpolicy='origin' src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyOrigin }, |
| // The scanner's state is not reset between test cases, so all subsequent test cases have a document referrer policy of no-referrer. |
| { "http://example.test", "<img referrerpolicy='not-a-valid-policy' src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyNever }, |
| { "http://example.test", "<img src='bla.gif'/>", "bla.gif", "http://example.test/", Resource::Image, 0, ReferrerPolicyNever } |
| }; |
| |
| for (const auto& testCase : testCases) |
| test(testCase); |
| } |
| |
| } // namespace blink |