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// Copyright 2014 The Chromium 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 <string.h>
#include "base/command_line.h"
#include "base/strings/utf_string_conversions.h"
#include "build/build_config.h"
#include "chrome/browser/dom_distiller/dom_distiller_service_factory.h"
#include "chrome/browser/dom_distiller/tab_utils.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/test/base/in_process_browser_test.h"
#include "chrome/test/base/ui_test_utils.h"
#include "components/dom_distiller/content/browser/distiller_javascript_utils.h"
#include "components/dom_distiller/content/browser/web_contents_main_frame_observer.h"
#include "components/dom_distiller/core/dom_distiller_service.h"
#include "components/dom_distiller/core/dom_distiller_switches.h"
#include "components/dom_distiller/core/task_tracker.h"
#include "components/dom_distiller/core/url_constants.h"
#include "components/dom_distiller/core/url_utils.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/common/isolated_world_ids.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/test_utils.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace dom_distiller {
namespace {
const char* kSimpleArticlePath = "/dom_distiller/simple_article.html";
} // namespace
class DomDistillerTabUtilsBrowserTest : public InProcessBrowserTest {
public:
void SetUpOnMainThread() override {
if (!DistillerJavaScriptWorldIdIsSet()) {
SetDistillerJavaScriptWorldId(content::ISOLATED_WORLD_ID_CONTENT_END);
}
InProcessBrowserTest::SetUpOnMainThread();
}
void SetUpCommandLine(base::CommandLine* command_line) override {
command_line->AppendSwitch(switches::kEnableDomDistiller);
}
};
// WebContentsMainFrameHelper is used to detect if a distilled page has
// finished loading. This is done by checking how many times the title has
// been set rather than using "DidFinishLoad" directly due to the content
// being set by JavaScript.
class WebContentsMainFrameHelper : public content::WebContentsObserver {
public:
WebContentsMainFrameHelper(content::WebContents* web_contents,
const base::Closure& callback)
: callback_(callback),
title_set_count_(0),
loaded_distiller_page_(false) {
content::WebContentsObserver::Observe(web_contents);
}
void DidFinishLoad(content::RenderFrameHost* render_frame_host,
const GURL& validated_url) override {
if (!render_frame_host->GetParent() &&
validated_url.scheme() == kDomDistillerScheme)
loaded_distiller_page_ = true;
}
void TitleWasSet(content::NavigationEntry* entry,
bool explicit_set) override {
// The title will be set twice on distilled pages; once for the placeholder
// and once when the distillation has finished. Watch for the second time
// as a signal that the JavaScript that sets the content has run.
title_set_count_++;
if (title_set_count_ >= 2 && loaded_distiller_page_) {
callback_.Run();
}
}
private:
base::Closure callback_;
int title_set_count_;
bool loaded_distiller_page_;
};
#if (defined(OS_LINUX) && defined(OS_CHROMEOS))
#define MAYBE_TestSwapWebContents DISABLED_TestSwapWebContents
#else
#define MAYBE_TestSwapWebContents TestSwapWebContents
#endif
IN_PROC_BROWSER_TEST_F(DomDistillerTabUtilsBrowserTest,
MAYBE_TestSwapWebContents) {
ASSERT_TRUE(embedded_test_server()->Start());
content::WebContents* initial_web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
const GURL& article_url = embedded_test_server()->GetURL(kSimpleArticlePath);
// This blocks until the navigation has completely finished.
ui_test_utils::NavigateToURL(browser(), article_url);
DistillCurrentPageAndView(initial_web_contents);
// Wait until the new WebContents has fully navigated.
content::WebContents* after_web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
ASSERT_TRUE(after_web_contents != NULL);
base::RunLoop new_url_loaded_runner;
scoped_ptr<WebContentsMainFrameHelper> distilled_page_loaded(
new WebContentsMainFrameHelper(after_web_contents,
new_url_loaded_runner.QuitClosure()));
new_url_loaded_runner.Run();
std::string page_title;
content::ExecuteScriptAndGetValue(after_web_contents->GetMainFrame(),
"document.title")->GetAsString(&page_title);
// Verify the new URL is showing distilled content in a new WebContents.
EXPECT_NE(initial_web_contents, after_web_contents);
EXPECT_TRUE(
after_web_contents->GetLastCommittedURL().SchemeIs(kDomDistillerScheme));
EXPECT_EQ("Test Page Title", page_title);
}
IN_PROC_BROWSER_TEST_F(DomDistillerTabUtilsBrowserTest,
TestDistillIntoWebContents) {
ASSERT_TRUE(embedded_test_server()->Start());
content::WebContents* source_web_contents =
browser()->tab_strip_model()->GetActiveWebContents();
const GURL& article_url = embedded_test_server()->GetURL(kSimpleArticlePath);
// This blocks until the navigation has completely finished.
ui_test_utils::NavigateToURL(browser(), article_url);
// Create destination WebContents.
content::WebContents::CreateParams create_params(
source_web_contents->GetBrowserContext());
content::WebContents* destination_web_contents =
content::WebContents::Create(create_params);
DCHECK(destination_web_contents);
browser()->tab_strip_model()->AppendWebContents(destination_web_contents,
true);
ASSERT_EQ(destination_web_contents,
browser()->tab_strip_model()->GetWebContentsAt(1));
DistillAndView(source_web_contents, destination_web_contents);
// Wait until the destination WebContents has fully navigated.
base::RunLoop new_url_loaded_runner;
scoped_ptr<WebContentsMainFrameHelper> distilled_page_loaded(
new WebContentsMainFrameHelper(destination_web_contents,
new_url_loaded_runner.QuitClosure()));
new_url_loaded_runner.Run();
// Verify that the source WebContents is showing the original article.
EXPECT_EQ(article_url, source_web_contents->GetLastCommittedURL());
std::string page_title;
content::ExecuteScriptAndGetValue(source_web_contents->GetMainFrame(),
"document.title")->GetAsString(&page_title);
EXPECT_EQ("Test Page Title", page_title);
// Verify the destination WebContents is showing distilled content.
EXPECT_TRUE(destination_web_contents->GetLastCommittedURL().SchemeIs(
kDomDistillerScheme));
content::ExecuteScriptAndGetValue(destination_web_contents->GetMainFrame(),
"document.title")->GetAsString(&page_title);
EXPECT_EQ("Test Page Title", page_title);
content::WebContentsDestroyedWatcher destroyed_watcher(
destination_web_contents);
browser()->tab_strip_model()->CloseWebContentsAt(1, 0);
destroyed_watcher.Wait();
}
} // namespace dom_distiller
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