| /* |
| * Copyright (C) 2012 Google Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * * Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following disclaimer |
| * in the documentation and/or other materials provided with the |
| * distribution. |
| * * Neither the name of Google Inc. nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #include "config.h" |
| |
| #include "FrameTestHelpers.h" |
| #include "URLTestHelpers.h" |
| #include "WebDOMEvent.h" |
| #include "WebDOMEventListener.h" |
| #include "WebDOMMutationEvent.h" |
| #include "WebDocument.h" |
| #include "WebElement.h" |
| #include "WebFrame.h" |
| #include "WebScriptSource.h" |
| #include "WebView.h" |
| #include <gtest/gtest.h> |
| #include <webkit/support/webkit_support.h> |
| |
| using namespace WebKit; |
| |
| namespace { |
| |
| class TestWebDOMEventListener : public WebDOMEventListener { |
| public: |
| TestWebDOMEventListener() { } |
| virtual ~TestWebDOMEventListener() { } |
| |
| virtual void handleEvent(const WebDOMEvent& event) OVERRIDE |
| { |
| m_events.push_back(event); |
| } |
| |
| size_t eventCount() const { return m_events.size(); } |
| |
| WebDOMEvent eventAt(int index) const { return m_events.at(index); } |
| |
| void clearEvents() { m_events.clear(); } |
| |
| private: |
| std::vector<WebDOMEvent> m_events; |
| }; |
| |
| class WebDOMEventListenerTest : public testing::Test { |
| public: |
| WebDOMEventListenerTest() |
| : m_webView(0) |
| { |
| } |
| |
| virtual void SetUp() OVERRIDE |
| { |
| std::string baseURL("http://www.example.com/"); |
| std::string fileName("listener/mutation_event_listener.html"); |
| bool executeScript = true; |
| URLTestHelpers::registerMockedURLFromBaseURL(WebString::fromUTF8(baseURL.c_str()), WebString::fromUTF8(fileName.c_str())); |
| m_webView = FrameTestHelpers::createWebViewAndLoad(baseURL + fileName, executeScript); |
| } |
| |
| virtual void TearDown() OVERRIDE |
| { |
| m_webView->close(); |
| webkit_support::UnregisterAllMockedURLs(); |
| } |
| |
| WebFrame* mainFrame() const |
| { |
| return m_webView->mainFrame(); |
| } |
| |
| WebDocument document() const |
| { |
| return mainFrame()->document(); |
| } |
| |
| void executeScript(const char* code) |
| { |
| mainFrame()->executeScript(WebScriptSource(WebString::fromUTF8(code))); |
| } |
| |
| |
| static WebString GetNodeID(const WebNode& node) |
| { |
| if (node.nodeType() != WebNode::ElementNode) |
| return WebString(); |
| WebElement element = node.toConst<WebElement>(); |
| return element.getAttribute("id"); |
| } |
| |
| protected: |
| WebView* m_webView; |
| }; |
| |
| |
| // Tests that the right mutation events are fired when a node is added/removed. |
| // Note that the DOMSubtreeModified event is fairly vage, it only tells you |
| // something changed for the target node. |
| TEST_F(WebDOMEventListenerTest, NodeAddedRemovedMutationEvent) |
| { |
| TestWebDOMEventListener eventListener; |
| document().addEventListener("DOMSubtreeModified", &eventListener, false); |
| |
| // Test adding a node. |
| executeScript("addElement('newNode')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| WebDOMEvent event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| // No need to check any of the MutationEvent, WebKit does not set any. |
| EXPECT_EQ("DIV", event.target().nodeName()); |
| EXPECT_EQ("topDiv", GetNodeID(event.target())); |
| eventListener.clearEvents(); |
| |
| // Test removing a node. |
| executeScript("removeNode('div1')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| EXPECT_EQ("DIV", event.target().nodeName()); |
| EXPECT_EQ("topDiv", GetNodeID(event.target())); |
| } |
| |
| // Tests the right mutation event is fired when a text node is modified. |
| TEST_F(WebDOMEventListenerTest, TextNodeModifiedMutationEvent) |
| { |
| TestWebDOMEventListener eventListener; |
| document().addEventListener("DOMSubtreeModified", &eventListener, false); |
| executeScript("changeText('div2', 'Hello')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| WebDOMEvent event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| ASSERT_EQ(WebNode::TextNode, event.target().nodeType()); |
| } |
| |
| // Tests the right mutation events are fired when an attribute is added/removed. |
| TEST_F(WebDOMEventListenerTest, AttributeMutationEvent) |
| { |
| TestWebDOMEventListener eventListener; |
| document().addEventListener("DOMSubtreeModified", &eventListener, false); |
| executeScript("document.getElementById('div2').setAttribute('myAttr'," |
| "'some value')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| WebDOMEvent event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| EXPECT_EQ("DIV", event.target().nodeName()); |
| EXPECT_EQ("div2", GetNodeID(event.target())); |
| eventListener.clearEvents(); |
| |
| executeScript("document.getElementById('div2').removeAttribute('myAttr')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| EXPECT_EQ("DIV", event.target().nodeName()); |
| EXPECT_EQ("div2", GetNodeID(event.target())); |
| } |
| |
| // Tests destroying WebDOMEventListener and triggering events, we shouldn't |
| // crash. |
| TEST_F(WebDOMEventListenerTest, FireEventDeletedListener) |
| { |
| TestWebDOMEventListener* eventListener = new TestWebDOMEventListener(); |
| document().addEventListener("DOMSubtreeModified", eventListener, false); |
| delete eventListener; |
| executeScript("addElement('newNode')"); // That should fire an event. |
| } |
| |
| // Tests registering several events on the same WebDOMEventListener and |
| // triggering events. |
| TEST_F(WebDOMEventListenerTest, SameListenerMultipleEvents) |
| { |
| TestWebDOMEventListener eventListener; |
| const WebString kDOMSubtreeModifiedType("DOMSubtreeModified"); |
| const WebString kDOMNodeRemovedType("DOMNodeRemoved"); |
| document().addEventListener(kDOMSubtreeModifiedType, &eventListener, false); |
| WebElement div1Elem = document().getElementById("div1"); |
| div1Elem.addEventListener(kDOMNodeRemovedType, &eventListener, false); |
| |
| // Trigger a DOMSubtreeModified event by adding a node. |
| executeScript("addElement('newNode')"); |
| ASSERT_EQ(1U, eventListener.eventCount()); |
| WebDOMEvent event = eventListener.eventAt(0); |
| ASSERT_TRUE(event.isMutationEvent()); |
| EXPECT_EQ("DIV", event.target().nodeName()); |
| EXPECT_EQ("topDiv", GetNodeID(event.target())); |
| eventListener.clearEvents(); |
| |
| // Trigger for both event listener by removing the div1 node. |
| executeScript("removeNode('div1')"); |
| ASSERT_EQ(2U, eventListener.eventCount()); |
| // Not sure if the order of the events is important. Assuming no specific |
| // order. |
| WebString type1 = eventListener.eventAt(0).type(); |
| WebString type2 = eventListener.eventAt(1).type(); |
| EXPECT_TRUE(type1 == kDOMSubtreeModifiedType || type1 == kDOMNodeRemovedType); |
| EXPECT_TRUE(type2 == kDOMSubtreeModifiedType || type2 == kDOMNodeRemovedType); |
| EXPECT_TRUE(type1 != type2); |
| } |
| |
| // Tests removing event listeners. |
| TEST_F(WebDOMEventListenerTest, RemoveEventListener) |
| { |
| TestWebDOMEventListener eventListener; |
| const WebString kDOMSubtreeModifiedType("DOMSubtreeModified"); |
| // Adding twice the same listener for the same event, should be supported. |
| document().addEventListener(kDOMSubtreeModifiedType, &eventListener, false); |
| document().addEventListener(kDOMSubtreeModifiedType, &eventListener, false); |
| |
| // Add a node, that should trigger 2 events. |
| executeScript("addElement('newNode')"); |
| EXPECT_EQ(2U, eventListener.eventCount()); |
| eventListener.clearEvents(); |
| |
| // Remove one listener and trigger an event again. |
| document().removeEventListener( |
| kDOMSubtreeModifiedType, &eventListener, false); |
| executeScript("addElement('newerNode')"); |
| EXPECT_EQ(1U, eventListener.eventCount()); |
| eventListener.clearEvents(); |
| |
| // Remove the last listener and trigger yet another event. |
| document().removeEventListener( |
| kDOMSubtreeModifiedType, &eventListener, false); |
| executeScript("addElement('newererNode')"); |
| EXPECT_EQ(0U, eventListener.eventCount()); |
| } |
| |
| } // namespace |