Source/web/tests/FrameLoaderClientImplTest.cpp

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#include "config.h"

#include "FrameLoaderClientImpl.h"

#include "WebFrameClient.h"
#include "WebFrameImpl.h"
#include "WebView.h"
#include "core/loader/FrameLoader.h"
#include "platform/weborigin/KURL.h"
#include "wtf/text/WTFString.h"

#include <gtest/gtest.h>

using namespace blink;

namespace {

class TestWebFrameClient : public WebFrameClient {
public:
    WebString userAgentOverride(WebFrame* frame, const WebURL& url) OVERRIDE
    {
        if (m_userAgentOverride.isEmpty())
            return WebString();

        return m_userAgentOverride;
    }

    void setUserAgentOverride(const WebString& userAgent)
    {
        m_userAgentOverride = userAgent;
    }

private:
    WebString m_userAgentOverride;
};

class FrameLoaderClientImplTest : public testing::Test {
public:
    void SetUp()
    {
        m_webView = WebView::create(0);
        m_mainFrame = WebFrame::create(&m_webFrameClient);
        m_webView->setMainFrame(m_mainFrame);
        m_frameLoaderClientImpl = toFrameLoaderClientImpl(toWebFrameImpl(m_webView->mainFrame())->frame()->loader().client());
    }

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

    void setUserAgentOverride(const WebString& userAgent)
    {
        return m_webFrameClient.setUserAgentOverride(userAgent);
    }

    const WebString userAgent()
    {
        // The test always returns the same user agent, regardless of the URL passed in.
        WebCore::KURL dummyURL(WebCore::ParsedURLString, "about:blank");
        WTF::CString userAgent = m_frameLoaderClientImpl->userAgent(dummyURL).utf8();
        return WebString::fromUTF8(userAgent.data(), userAgent.length());
    }

protected:
    TestWebFrameClient m_webFrameClient;
    FrameLoaderClientImpl* m_frameLoaderClientImpl;
    WebView* m_webView;
    WebFrame* m_mainFrame;
};

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

    // Override the user agent and make sure we get it back.
    setUserAgentOverride(override);
    EXPECT_TRUE(override.equals(userAgent()));

    // Remove the override and make sure we get the original back.
    setUserAgentOverride(WebString());
    EXPECT_TRUE(defaultUserAgent.equals(userAgent()));
}

} // namespace