third_party/WebKit/Source/web/tests/FrameLoaderClientImplTest.cpp

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#include "config.h"
#include "web/FrameLoaderClientImpl.h"

#include "core/loader/FrameLoader.h"
#include "platform/weborigin/KURL.h"
#include "public/web/WebFrameClient.h"
#include "public/web/WebSettings.h"
#include "public/web/WebView.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "web/WebLocalFrameImpl.h"
#include "web/tests/FrameTestHelpers.h"
#include "wtf/text/CString.h"
#include "wtf/text/WTFString.h"

using testing::_;
using testing::Mock;
using testing::Return;

namespace blink {
namespace {

class MockWebFrameClient : public WebFrameClient {
public:
    ~MockWebFrameClient() override { }

    MOCK_METHOD1(userAgentOverride, WebString(WebLocalFrame*));
};

class FrameLoaderClientImplTest : public ::testing::Test {
protected:
    void SetUp() override
    {
        ON_CALL(m_webFrameClient, userAgentOverride(_)).WillByDefault(Return(WebString()));

        FrameTestHelpers::TestWebViewClient webViewClient;
        m_webView = WebView::create(&webViewClient);
        // FIXME: http://crbug.com/363843. This needs to find a better way to
        // not create graphics layers.
        m_webView->settings()->setAcceleratedCompositingEnabled(false);
        m_mainFrame = WebLocalFrame::create(WebTreeScopeType::Document, &m_webFrameClient);
        m_webView->setMainFrame(m_mainFrame);
    }

    void TearDown() override
    {
        m_webView->close();
        m_mainFrame->close();
    }

    WebString userAgent()
    {
        // The test always returns the same user agent .
        WTF::CString userAgent = frameLoaderClient().userAgent().utf8();
        return WebString::fromUTF8(userAgent.data(), userAgent.length());
    }

    WebLocalFrameImpl* mainFrame() { return toWebLocalFrameImpl(m_webView->mainFrame()); }
    Document& document() { return *toWebLocalFrameImpl(m_mainFrame)->frame()->document(); }
    MockWebFrameClient& webFrameClient() { return m_webFrameClient; }
    FrameLoaderClient& frameLoaderClient() { return *toFrameLoaderClientImpl(toWebLocalFrameImpl(m_webView->mainFrame())->frame()->loader().client()); }

private:
    MockWebFrameClient m_webFrameClient;
    WebView* m_webView;
    WebFrame* m_mainFrame;
};

TEST_F(FrameLoaderClientImplTest, UserAgentOverride)
{
    const WebString defaultUserAgent = userAgent();
    const WebString overrideUserAgent = WebString::fromUTF8("dummy override");

    // Override the user agent and make sure we get it back.
    EXPECT_CALL(webFrameClient(), userAgentOverride(_)).WillOnce(Return(overrideUserAgent));
    EXPECT_TRUE(overrideUserAgent.equals(userAgent()));
    Mock::VerifyAndClearExpectations(&webFrameClient());

    // Remove the override and make sure we get the original back.
    EXPECT_CALL(webFrameClient(), userAgentOverride(_)).WillOnce(Return(WebString()));
    EXPECT_TRUE(defaultUserAgent.equals(userAgent()));
}

} // namespace
} // namespace blink