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| 1 // Copyright 2017 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 "core/dom/ScriptModuleResolverImpl.h" |
| 6 |
| 7 #include "bindings/core/v8/V8BindingForTesting.h" |
| 8 #include "core/dom/ExceptionCode.h" |
| 9 #include "core/dom/Modulator.h" |
| 10 #include "core/dom/ModuleScript.h" |
| 11 #include "core/testing/DummyModulator.h" |
| 12 #include "platform/heap/Handle.h" |
| 13 #include "platform/testing/TestingPlatformSupport.h" |
| 14 #include "public/platform/Platform.h" |
| 15 #include "testing/gtest/include/gtest/gtest.h" |
| 16 #include "v8/include/v8.h" |
| 17 |
| 18 namespace blink { |
| 19 |
| 20 namespace { |
| 21 |
| 22 class ScriptModuleResolverImplTestModulator final : public DummyModulator { |
| 23 public: |
| 24 ScriptModuleResolverImplTestModulator() {} |
| 25 virtual ~ScriptModuleResolverImplTestModulator() {} |
| 26 |
| 27 DECLARE_TRACE(); |
| 28 |
| 29 int getFetchedModuleScriptCalled() const { |
| 30 return m_getFetchedModuleScriptCalled; |
| 31 } |
| 32 void setModuleScript(ModuleScript* moduleScript) { |
| 33 m_moduleScript = moduleScript; |
| 34 } |
| 35 const KURL& fetchedUrl() const { return m_fetchedUrl; } |
| 36 |
| 37 private: |
| 38 // Implements Modulator: |
| 39 ModuleScript* getFetchedModuleScript(const KURL&) override; |
| 40 |
| 41 int m_getFetchedModuleScriptCalled = 0; |
| 42 KURL m_fetchedUrl; |
| 43 Member<ModuleScript> m_moduleScript; |
| 44 }; |
| 45 |
| 46 DEFINE_TRACE(ScriptModuleResolverImplTestModulator) { |
| 47 visitor->trace(m_moduleScript); |
| 48 DummyModulator::trace(visitor); |
| 49 } |
| 50 |
| 51 ModuleScript* ScriptModuleResolverImplTestModulator::getFetchedModuleScript( |
| 52 const KURL& url) { |
| 53 m_getFetchedModuleScriptCalled++; |
| 54 m_fetchedUrl = url; |
| 55 return m_moduleScript.get(); |
| 56 } |
| 57 |
| 58 ModuleScript* createReferrerModuleScript(V8TestingScope& scope) { |
| 59 ScriptModule referrerRecord = ScriptModule::compile( |
| 60 scope.isolate(), "import './target.js'; export const a = 42;", |
| 61 "referrer.js", SharableCrossOrigin); |
| 62 KURL referrerUrl(ParsedURLString, "https://example.com/referrer.js"); |
| 63 ModuleScript* referrerModuleScript = |
| 64 ModuleScript::create(referrerRecord, referrerUrl, "", ParserInserted, |
| 65 WebURLRequest::FetchCredentialsModeOmit); |
| 66 // TODO(kouhei): moduleScript->setInstantiateSuccess(); once |
| 67 // https://codereview.chromium.org/2782403002/ landed. |
| 68 return referrerModuleScript; |
| 69 } |
| 70 |
| 71 ModuleScript* createTargetModuleScript(V8TestingScope& scope) { |
| 72 ScriptModule record = |
| 73 ScriptModule::compile(scope.isolate(), "export const pi = 3.14;", |
| 74 "target.js", SharableCrossOrigin); |
| 75 KURL url(ParsedURLString, "https://example.com/target.js"); |
| 76 ModuleScript* moduleScript = ModuleScript::create( |
| 77 record, url, "", ParserInserted, WebURLRequest::FetchCredentialsModeOmit); |
| 78 // TODO(kouhei): moduleScript->setInstantiateSuccess(); once |
| 79 // https://codereview.chromium.org/2782403002/ landed. |
| 80 return moduleScript; |
| 81 } |
| 82 |
| 83 } // namespace |
| 84 |
| 85 class ScriptModuleResolverImplTest : public testing::Test { |
| 86 public: |
| 87 void SetUp() override; |
| 88 |
| 89 ScriptModuleResolverImplTestModulator* modulator() { |
| 90 return m_modulator.get(); |
| 91 } |
| 92 |
| 93 protected: |
| 94 ScopedTestingPlatformSupport<TestingPlatformSupportWithMockScheduler> |
| 95 m_platform; |
| 96 Persistent<ScriptModuleResolverImplTestModulator> m_modulator; |
| 97 }; |
| 98 |
| 99 void ScriptModuleResolverImplTest::SetUp() { |
| 100 m_platform->advanceClockSeconds(1.); // For non-zero DocumentParserTimings |
| 101 m_modulator = new ScriptModuleResolverImplTestModulator(); |
| 102 } |
| 103 |
| 104 TEST_F(ScriptModuleResolverImplTest, registerResolveSuccess) { |
| 105 ScriptModuleResolverImpl* resolver = |
| 106 ScriptModuleResolverImpl::create(modulator()); |
| 107 V8TestingScope scope; |
| 108 |
| 109 ModuleScript* referrerModuleScript = createReferrerModuleScript(scope); |
| 110 resolver->registerModuleScript(referrerModuleScript); |
| 111 |
| 112 ModuleScript* targetModuleScript = createTargetModuleScript(scope); |
| 113 modulator()->setModuleScript(targetModuleScript); |
| 114 |
| 115 ScriptModule resolved = resolver->resolve( |
| 116 "./target.js", referrerModuleScript->record(), scope.getExceptionState()); |
| 117 EXPECT_FALSE(scope.getExceptionState().hadException()); |
| 118 EXPECT_EQ(resolved, targetModuleScript->record()); |
| 119 EXPECT_EQ(1, m_modulator->getFetchedModuleScriptCalled()); |
| 120 EXPECT_EQ(m_modulator->fetchedUrl(), targetModuleScript->baseURL()) |
| 121 << "Unexpectedly fetched URL: " << m_modulator->fetchedUrl().getString(); |
| 122 } |
| 123 |
| 124 TEST_F(ScriptModuleResolverImplTest, resolveInvalidModuleSpecifier) { |
| 125 ScriptModuleResolverImpl* resolver = |
| 126 ScriptModuleResolverImpl::create(modulator()); |
| 127 V8TestingScope scope; |
| 128 |
| 129 ModuleScript* referrerModuleScript = createReferrerModuleScript(scope); |
| 130 resolver->registerModuleScript(referrerModuleScript); |
| 131 |
| 132 ModuleScript* targetModuleScript = createTargetModuleScript(scope); |
| 133 modulator()->setModuleScript(targetModuleScript); |
| 134 |
| 135 ScriptModule resolved = resolver->resolve( |
| 136 "invalid", referrerModuleScript->record(), scope.getExceptionState()); |
| 137 EXPECT_TRUE(scope.getExceptionState().hadException()); |
| 138 EXPECT_EQ(V8TypeError, scope.getExceptionState().code()); |
| 139 EXPECT_TRUE(resolved.isNull()); |
| 140 EXPECT_EQ(0, m_modulator->getFetchedModuleScriptCalled()); |
| 141 } |
| 142 |
| 143 TEST_F(ScriptModuleResolverImplTest, resolveLoadFailedModule) { |
| 144 ScriptModuleResolverImpl* resolver = |
| 145 ScriptModuleResolverImpl::create(modulator()); |
| 146 V8TestingScope scope; |
| 147 |
| 148 ModuleScript* referrerModuleScript = createReferrerModuleScript(scope); |
| 149 resolver->registerModuleScript(referrerModuleScript); |
| 150 |
| 151 ModuleScript* targetModuleScript = createTargetModuleScript(scope); |
| 152 // Set Modulator::getFetchedModuleScript to return nullptr, which represents |
| 153 // that the target module failed to load. |
| 154 modulator()->setModuleScript(nullptr); |
| 155 |
| 156 ScriptModule resolved = resolver->resolve( |
| 157 "./target.js", referrerModuleScript->record(), scope.getExceptionState()); |
| 158 EXPECT_TRUE(scope.getExceptionState().hadException()); |
| 159 EXPECT_EQ(V8TypeError, scope.getExceptionState().code()); |
| 160 EXPECT_TRUE(resolved.isNull()); |
| 161 EXPECT_EQ(1, m_modulator->getFetchedModuleScriptCalled()); |
| 162 EXPECT_EQ(m_modulator->fetchedUrl(), targetModuleScript->baseURL()) |
| 163 << "Unexpectedly fetched URL: " << m_modulator->fetchedUrl().getString(); |
| 164 } |
| 165 |
| 166 } // namespace blink |
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