cef/tests/unittests/dom_unittest.cc

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// Copyright (c) 2011 The Chromium Embedded Framework 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 "include/cef.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "test_handler.h"
namespace {
class TestDOMHandler : public TestHandler
{
public:
class Visitor : public CefDOMVisitor
{
public:
Visitor(TestDOMHandler* handler) : handler_(handler) {}
void TestHeadNodeStructure(CefRefPtr<CefDOMNode> headNode)
{
EXPECT_TRUE(headNode.get());
EXPECT_TRUE(headNode->IsElement());
EXPECT_FALSE(headNode->IsText());
EXPECT_EQ(headNode->GetName(), "HEAD");
EXPECT_EQ(headNode->GetElementTagName(), "HEAD");
EXPECT_TRUE(headNode->HasChildren());
EXPECT_FALSE(headNode->HasElementAttributes());
CefRefPtr<CefDOMNode> titleNode = headNode->GetFirstChild();
EXPECT_TRUE(titleNode.get());
EXPECT_TRUE(titleNode->IsElement());
EXPECT_FALSE(titleNode->IsText());
EXPECT_EQ(titleNode->GetName(), "TITLE");
EXPECT_EQ(titleNode->GetElementTagName(), "TITLE");
EXPECT_TRUE(titleNode->GetParent()->IsSame(headNode));
EXPECT_FALSE(titleNode->GetNextSibling().get());
EXPECT_FALSE(titleNode->GetPreviousSibling().get());
EXPECT_TRUE(titleNode->HasChildren());
EXPECT_FALSE(titleNode->HasElementAttributes());
CefRefPtr<CefDOMNode> textNode = titleNode->GetFirstChild();
EXPECT_TRUE(textNode.get());
EXPECT_FALSE(textNode->IsElement());
EXPECT_TRUE(textNode->IsText());
EXPECT_EQ(textNode->GetValue(), "The Title");
EXPECT_TRUE(textNode->GetParent()->IsSame(titleNode));
EXPECT_FALSE(textNode->GetNextSibling().get());
EXPECT_FALSE(textNode->GetPreviousSibling().get());
EXPECT_FALSE(textNode->HasChildren());
}
void TestBodyNodeStructure(CefRefPtr<CefDOMNode> bodyNode)
{
EXPECT_TRUE(bodyNode.get());
EXPECT_TRUE(bodyNode->IsElement());
EXPECT_FALSE(bodyNode->IsText());
EXPECT_EQ(bodyNode->GetName(), "BODY");
EXPECT_EQ(bodyNode->GetElementTagName(), "BODY");
EXPECT_TRUE(bodyNode->HasChildren());
EXPECT_FALSE(bodyNode->HasElementAttributes());
CefRefPtr<CefDOMNode> h1Node = bodyNode->GetFirstChild();
EXPECT_TRUE(h1Node.get());
EXPECT_TRUE(h1Node->IsElement());
EXPECT_FALSE(h1Node->IsText());
EXPECT_EQ(h1Node->GetName(), "H1");
EXPECT_EQ(h1Node->GetElementTagName(), "H1");
EXPECT_FALSE(h1Node->GetNextSibling().get());
EXPECT_FALSE(h1Node->GetPreviousSibling().get());
EXPECT_TRUE(h1Node->HasChildren());
EXPECT_FALSE(h1Node->HasElementAttributes());
CefRefPtr<CefDOMNode> textNode = h1Node->GetFirstChild();
EXPECT_TRUE(textNode.get());
EXPECT_FALSE(textNode->IsElement());
EXPECT_TRUE(textNode->IsText());
EXPECT_EQ(textNode->GetValue(), "Hello From");
EXPECT_FALSE(textNode->GetPreviousSibling().get());
EXPECT_FALSE(textNode->HasChildren());
CefRefPtr<CefDOMNode> brNode = textNode->GetNextSibling();
EXPECT_TRUE(brNode.get());
EXPECT_TRUE(brNode->IsElement());
EXPECT_FALSE(brNode->IsText());
EXPECT_EQ(brNode->GetName(), "BR");
EXPECT_EQ(brNode->GetElementTagName(), "BR");
EXPECT_FALSE(brNode->HasChildren());
EXPECT_TRUE(brNode->HasElementAttributes());
EXPECT_TRUE(brNode->HasElementAttribute("class"));
EXPECT_EQ(brNode->GetElementAttribute("class"), "some_class");
EXPECT_TRUE(brNode->HasElementAttribute("id"));
EXPECT_EQ(brNode->GetElementAttribute("id"), "some_id");
EXPECT_FALSE(brNode->HasElementAttribute("no_existing"));
CefDOMNode::AttributeMap map;
brNode->GetElementAttributes(map);
ASSERT_EQ(map.size(), (size_t)2);
EXPECT_EQ(map["class"], "some_class");
EXPECT_EQ(map["id"], "some_id");
// Can also retrieve by ID.
brNode = bodyNode->GetDocument()->GetElementById("some_id");
EXPECT_TRUE(brNode.get());
EXPECT_TRUE(brNode->IsElement());
EXPECT_FALSE(brNode->IsText());
EXPECT_EQ(brNode->GetName(), "BR");
EXPECT_EQ(brNode->GetElementTagName(), "BR");
textNode = brNode->GetNextSibling();
EXPECT_TRUE(textNode.get());
EXPECT_FALSE(textNode->IsElement());
EXPECT_TRUE(textNode->IsText());
EXPECT_EQ(textNode->GetValue(), "Main Frame");
EXPECT_FALSE(textNode->GetNextSibling().get());
EXPECT_FALSE(textNode->HasChildren());
}
// Test document structure by iterating through the DOM tree.
void TestStructure(CefRefPtr<CefDOMDocument> document)
{
EXPECT_EQ(document->GetTitle(), "The Title");
EXPECT_EQ(document->GetBaseURL(), "http://tests/main.html");
EXPECT_EQ(document->GetCompleteURL("foo.html"), "http://tests/foo.html");
// Navigate the complete document structure.
CefRefPtr<CefDOMNode> docNode = document->GetDocument();
EXPECT_TRUE(docNode.get());
EXPECT_FALSE(docNode->IsElement());
EXPECT_FALSE(docNode->IsText());
CefRefPtr<CefDOMNode> htmlNode = docNode->GetFirstChild();
EXPECT_TRUE(htmlNode.get());
EXPECT_TRUE(htmlNode->IsElement());
EXPECT_FALSE(htmlNode->IsText());
EXPECT_EQ(htmlNode->GetName(), "HTML");
EXPECT_EQ(htmlNode->GetElementTagName(), "HTML");
EXPECT_TRUE(htmlNode->HasChildren());
EXPECT_FALSE(htmlNode->HasElementAttributes());
CefRefPtr<CefDOMNode> headNode = htmlNode->GetFirstChild();
TestHeadNodeStructure(headNode);
CefRefPtr<CefDOMNode> bodyNode = headNode->GetNextSibling();
TestBodyNodeStructure(bodyNode);
// Retrieve the head node directly.
headNode = document->GetHead();
TestHeadNodeStructure(headNode);
// Retrieve the body node directly.
bodyNode = document->GetBody();
TestBodyNodeStructure(bodyNode);
}
// Test document modification by changing the H1 tag.
void TestModify(CefRefPtr<CefDOMDocument> document)
{
CefRefPtr<CefDOMNode> bodyNode = document->GetBody();
CefRefPtr<CefDOMNode> h1Node = bodyNode->GetFirstChild();
ASSERT_EQ(h1Node->GetAsMarkup(),
"<h1>Hello From<br class=\"some_class\" id=\"some_id\">Main Frame</h1>");
CefRefPtr<CefDOMNode> textNode = h1Node->GetFirstChild();
ASSERT_EQ(textNode->GetValue(), "Hello From");
ASSERT_TRUE(textNode->SetValue("A Different Message From"));
ASSERT_EQ(textNode->GetValue(), "A Different Message From");
CefRefPtr<CefDOMNode> brNode = textNode->GetNextSibling();
EXPECT_EQ(brNode->GetElementAttribute("class"), "some_class");
EXPECT_TRUE(brNode->SetElementAttribute("class", "a_different_class"));
EXPECT_EQ(brNode->GetElementAttribute("class"), "a_different_class");
ASSERT_EQ(h1Node->GetAsMarkup(),
"<h1>A Different Message From<br class=\"a_different_class\" id=\"some_id\">Main Frame</h1>");
ASSERT_FALSE(h1Node->SetValue("Something Different"));
}
virtual void Visit(CefRefPtr<CefDOMDocument> document)
{
handler_->got_visitor_called_.yes();
if (handler_->test_type_ == STRUCTURE)
TestStructure(document);
else if (handler_->test_type_ == MODIFY)
TestModify(document);
handler_->DestroyTest();
}
protected:
TestDOMHandler* handler_;
IMPLEMENT_REFCOUNTING(Visitor);
};
enum TestType {
STRUCTURE,
MODIFY,
};
TestDOMHandler(TestType test) : test_type_(test)
{
visitor_ = new Visitor(this);
}
virtual void RunTest() OVERRIDE
{
std::stringstream mainHtml;
mainHtml <<
"<html>"
"<head><title>The Title</title></head>"
"<body>"
"<h1>Hello From<br class=\"some_class\"/ id=\"some_id\"/>Main Frame</h1>"
"</body>"
"</html>";
AddResource("http://tests/main.html", mainHtml.str(), "text/html");
CreateBrowser("http://tests/main.html");
}
virtual void OnLoadEnd(CefRefPtr<CefBrowser> browser,
CefRefPtr<CefFrame> frame,
int httpStatusCode) OVERRIDE
{
if(frame->IsMain()) {
// The page is done loading so visit the DOM.
browser->GetMainFrame()->VisitDOM(visitor_.get());
}
}
CefRefPtr<Visitor> visitor_;
TestType test_type_;
TrackCallback got_visitor_called_;
};
} // namespace
// Test DOM structure reading.
TEST(DOMTest, Read)
{
CefRefPtr<TestDOMHandler> handler =
new TestDOMHandler(TestDOMHandler::STRUCTURE);
handler->ExecuteTest();
EXPECT_TRUE(handler->got_visitor_called_);
}
// Test DOM modifications.
TEST(DOMTest, Modify)
{
CefRefPtr<TestDOMHandler> handler =
new TestDOMHandler(TestDOMHandler::MODIFY);
handler->ExecuteTest();
EXPECT_TRUE(handler->got_visitor_called_);
}