Upstream version 9.37.195.0
[platform/framework/web/crosswalk.git] / src / chrome / browser / renderer_host / render_process_host_chrome_browsertest.cc
1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/command_line.h"
6 #include "chrome/browser/chrome_notification_types.h"
7 #include "chrome/browser/devtools/devtools_window.h"
8 #include "chrome/browser/search/search.h"
9 #include "chrome/browser/ui/browser.h"
10 #include "chrome/browser/ui/browser_commands.h"
11 #include "chrome/browser/ui/singleton_tabs.h"
12 #include "chrome/browser/ui/tabs/tab_strip_model.h"
13 #include "chrome/common/chrome_switches.h"
14 #include "chrome/common/url_constants.h"
15 #include "chrome/test/base/in_process_browser_test.h"
16 #include "chrome/test/base/test_switches.h"
17 #include "chrome/test/base/ui_test_utils.h"
18 #include "content/public/browser/notification_service.h"
19 #include "content/public/browser/render_process_host.h"
20 #include "content/public/browser/render_view_host.h"
21 #include "content/public/browser/render_widget_host_iterator.h"
22 #include "content/public/browser/web_contents.h"
23 #include "content/public/browser/web_contents_observer.h"
24 #include "content/public/test/browser_test_utils.h"
25
26 using content::RenderViewHost;
27 using content::RenderWidgetHost;
28 using content::WebContents;
29
30 namespace {
31
32 int RenderProcessHostCount() {
33   content::RenderProcessHost::iterator hosts =
34       content::RenderProcessHost::AllHostsIterator();
35   int count = 0;
36   while (!hosts.IsAtEnd()) {
37     if (hosts.GetCurrentValue()->HasConnection())
38       count++;
39     hosts.Advance();
40   }
41   return count;
42 }
43
44 RenderViewHost* FindFirstDevToolsHost() {
45   scoped_ptr<content::RenderWidgetHostIterator> widgets(
46       RenderWidgetHost::GetRenderWidgetHosts());
47   while (content::RenderWidgetHost* widget = widgets->GetNextHost()) {
48     if (!widget->GetProcess()->HasConnection())
49       continue;
50     if (!widget->IsRenderView())
51       continue;
52     RenderViewHost* host = RenderViewHost::From(widget);
53     WebContents* contents = WebContents::FromRenderViewHost(host);
54     GURL url = contents->GetURL();
55     if (url.SchemeIs(content::kChromeDevToolsScheme))
56       return host;
57   }
58   return NULL;
59 }
60
61 }  // namespace
62
63 class ChromeRenderProcessHostTest : public InProcessBrowserTest {
64  public:
65   ChromeRenderProcessHostTest() {}
66
67   // Show a tab, activating the current one if there is one, and wait for
68   // the renderer process to be created or foregrounded, returning the process
69   // handle.
70   base::ProcessHandle ShowSingletonTab(const GURL& page) {
71     chrome::ShowSingletonTab(browser(), page);
72     WebContents* wc = browser()->tab_strip_model()->GetActiveWebContents();
73     CHECK(wc->GetURL() == page);
74
75     WaitForLauncherThread();
76     WaitForMessageProcessing(wc);
77     return wc->GetRenderProcessHost()->GetHandle();
78   }
79
80   // Loads the given url in a new background tab and returns the handle of its
81   // renderer.
82   base::ProcessHandle OpenBackgroundTab(const GURL& page) {
83     ui_test_utils::NavigateToURLWithDisposition(browser(), page,
84         NEW_BACKGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
85
86     TabStripModel* tab_strip = browser()->tab_strip_model();
87     WebContents* wc = tab_strip->GetWebContentsAt(
88         tab_strip->active_index() + 1);
89     CHECK(wc->GetVisibleURL() == page);
90
91     WaitForLauncherThread();
92     WaitForMessageProcessing(wc);
93     return wc->GetRenderProcessHost()->GetHandle();
94   }
95
96   // Ensures that the backgrounding / foregrounding gets a chance to run.
97   void WaitForLauncherThread() {
98     content::BrowserThread::PostTaskAndReply(
99         content::BrowserThread::PROCESS_LAUNCHER, FROM_HERE,
100         base::Bind(&base::DoNothing), base::MessageLoop::QuitClosure());
101     base::MessageLoop::current()->Run();
102   }
103
104   // Implicitly waits for the renderer process associated with the specified
105   // WebContents to process outstanding IPC messages by running some JavaScript
106   // and waiting for the result.
107   void WaitForMessageProcessing(WebContents* wc) {
108     bool result = false;
109     ASSERT_TRUE(content::ExecuteScriptAndExtractBool(
110         wc, "window.domAutomationController.send(true);", &result));
111     ASSERT_TRUE(result);
112   }
113
114   // When we hit the max number of renderers, verify that the way we do process
115   // sharing behaves correctly.  In particular, this test is verifying that even
116   // when we hit the max process limit, that renderers of each type will wind up
117   // in a process of that type, even if that means creating a new process.
118   void TestProcessOverflow() {
119     int tab_count = 1;
120     int host_count = 1;
121     WebContents* tab1 = NULL;
122     WebContents* tab2 = NULL;
123     content::RenderProcessHost* rph1 = NULL;
124     content::RenderProcessHost* rph2 = NULL;
125     content::RenderProcessHost* rph3 = NULL;
126
127     // Change the first tab to be the omnibox page (TYPE_WEBUI).
128     GURL omnibox(chrome::kChromeUIOmniboxURL);
129     ui_test_utils::NavigateToURL(browser(), omnibox);
130     EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
131     tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
132     rph1 = tab1->GetRenderProcessHost();
133     EXPECT_EQ(omnibox, tab1->GetURL());
134     EXPECT_EQ(host_count, RenderProcessHostCount());
135
136     // Create a new TYPE_TABBED tab.  It should be in its own process.
137     GURL page1("data:text/html,hello world1");
138
139     ui_test_utils::WindowedTabAddedNotificationObserver observer1(
140         content::NotificationService::AllSources());
141     chrome::ShowSingletonTab(browser(), page1);
142     observer1.Wait();
143
144     tab_count++;
145     host_count++;
146     EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
147     tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
148     rph2 = tab1->GetRenderProcessHost();
149     EXPECT_EQ(tab1->GetURL(), page1);
150     EXPECT_EQ(host_count, RenderProcessHostCount());
151     EXPECT_NE(rph1, rph2);
152
153     // Create another TYPE_TABBED tab.  It should share the previous process.
154     GURL page2("data:text/html,hello world2");
155     ui_test_utils::WindowedTabAddedNotificationObserver observer2(
156         content::NotificationService::AllSources());
157     chrome::ShowSingletonTab(browser(), page2);
158     observer2.Wait();
159     tab_count++;
160     EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
161     tab2 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
162     EXPECT_EQ(tab2->GetURL(), page2);
163     EXPECT_EQ(host_count, RenderProcessHostCount());
164     EXPECT_EQ(tab2->GetRenderProcessHost(), rph2);
165
166     // Create another TYPE_WEBUI tab.  It should share the process with omnibox.
167     // Note: intentionally create this tab after the TYPE_TABBED tabs to
168     // exercise bug 43448 where extension and WebUI tabs could get combined into
169     // normal renderers.
170     GURL history(chrome::kChromeUIHistoryURL);
171     ui_test_utils::WindowedTabAddedNotificationObserver observer3(
172         content::NotificationService::AllSources());
173     chrome::ShowSingletonTab(browser(), history);
174     observer3.Wait();
175     tab_count++;
176     EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
177     tab2 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
178     EXPECT_EQ(tab2->GetURL(), GURL(history));
179     EXPECT_EQ(host_count, RenderProcessHostCount());
180     EXPECT_EQ(tab2->GetRenderProcessHost(), rph1);
181
182     // Create a TYPE_EXTENSION tab.  It should be in its own process.
183     // (the bookmark manager is implemented as an extension)
184     GURL bookmarks(chrome::kChromeUIBookmarksURL);
185     ui_test_utils::WindowedTabAddedNotificationObserver observer4(
186         content::NotificationService::AllSources());
187     chrome::ShowSingletonTab(browser(), bookmarks);
188     observer4.Wait();
189     tab_count++;
190     host_count++;
191     EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
192     tab1 = browser()->tab_strip_model()->GetWebContentsAt(tab_count - 1);
193     rph3 = tab1->GetRenderProcessHost();
194     EXPECT_EQ(tab1->GetURL(), bookmarks);
195     EXPECT_EQ(host_count, RenderProcessHostCount());
196     EXPECT_NE(rph1, rph3);
197     EXPECT_NE(rph2, rph3);
198   }
199 };
200
201
202 class ChromeRenderProcessHostTestWithCommandLine
203     : public ChromeRenderProcessHostTest {
204  protected:
205   virtual void SetUpCommandLine(CommandLine* command_line) OVERRIDE {
206     command_line->AppendSwitchASCII(switches::kRendererProcessLimit, "1");
207   }
208 };
209
210 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest, ProcessPerTab) {
211   // Set max renderers to 1 to force running out of processes.
212   content::RenderProcessHost::SetMaxRendererProcessCount(1);
213
214   CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
215   parsed_command_line.AppendSwitch(switches::kProcessPerTab);
216
217   int tab_count = 1;
218   int host_count = 1;
219
220   // Change the first tab to be the new tab page (TYPE_WEBUI).
221   GURL omnibox(chrome::kChromeUIOmniboxURL);
222   ui_test_utils::NavigateToURL(browser(), omnibox);
223   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
224   EXPECT_EQ(host_count, RenderProcessHostCount());
225
226   // Create a new TYPE_TABBED tab.  It should be in its own process.
227   GURL page1("data:text/html,hello world1");
228   ui_test_utils::WindowedTabAddedNotificationObserver observer1(
229       content::NotificationService::AllSources());
230   chrome::ShowSingletonTab(browser(), page1);
231   observer1.Wait();
232   tab_count++;
233   host_count++;
234   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
235   EXPECT_EQ(host_count, RenderProcessHostCount());
236
237   // Create another TYPE_TABBED tab.  It should share the previous process.
238   GURL page2("data:text/html,hello world2");
239   ui_test_utils::WindowedTabAddedNotificationObserver observer2(
240       content::NotificationService::AllSources());
241   chrome::ShowSingletonTab(browser(), page2);
242   observer2.Wait();
243   tab_count++;
244   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
245   EXPECT_EQ(host_count, RenderProcessHostCount());
246
247   // Create another omnibox tab.  It should share the process with the other
248   // WebUI.
249   ui_test_utils::NavigateToURLWithDisposition(
250       browser(), omnibox, NEW_FOREGROUND_TAB,
251       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
252   tab_count++;
253   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
254   EXPECT_EQ(host_count, RenderProcessHostCount());
255
256   // Create another omnibox tab.  It should share the process with the other
257   // WebUI.
258   ui_test_utils::NavigateToURLWithDisposition(
259       browser(), omnibox, NEW_FOREGROUND_TAB,
260       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
261   tab_count++;
262   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
263   EXPECT_EQ(host_count, RenderProcessHostCount());
264 }
265
266 // We don't change process priorities on Mac or Posix because the user lacks the
267 // permission to raise a process' priority even after lowering it.
268 // flaky, disabling on branch
269 #if defined(OS_WIN) || defined(OS_LINUX)
270 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest, DISABLED_Backgrounding) {
271   if (!base::Process::CanBackgroundProcesses()) {
272     LOG(ERROR) << "Can't background processes";
273     return;
274   }
275   CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
276   parsed_command_line.AppendSwitch(switches::kProcessPerTab);
277
278   // Change the first tab to be the omnibox page (TYPE_WEBUI).
279   GURL omnibox(chrome::kChromeUIOmniboxURL);
280   ui_test_utils::NavigateToURL(browser(), omnibox);
281
282   // Create a new tab. It should be foreground.
283   GURL page1("data:text/html,hello world1");
284   base::ProcessHandle pid1 = ShowSingletonTab(page1);
285   EXPECT_FALSE(base::Process(pid1).IsProcessBackgrounded());
286
287   // Create another tab. It should be foreground, and the first tab should
288   // now be background.
289   GURL page2("data:text/html,hello world2");
290   base::ProcessHandle pid2 = ShowSingletonTab(page2);
291   EXPECT_NE(pid1, pid2);
292   EXPECT_TRUE(base::Process(pid1).IsProcessBackgrounded());
293   EXPECT_FALSE(base::Process(pid2).IsProcessBackgrounded());
294
295   // Load another tab in background. The renderer of the new tab should be
296   // backgrounded, while visibility of the other renderers should not change.
297   GURL page3("data:text/html,hello world3");
298   base::ProcessHandle pid3 = OpenBackgroundTab(page3);
299   EXPECT_NE(pid3, pid1);
300   EXPECT_NE(pid3, pid2);
301   EXPECT_TRUE(base::Process(pid1).IsProcessBackgrounded());
302   EXPECT_FALSE(base::Process(pid2).IsProcessBackgrounded());
303   EXPECT_TRUE(base::Process(pid3).IsProcessBackgrounded());
304
305   // Navigate back to the first page. Its renderer should be in foreground
306   // again while the other renderers should be backgrounded.
307   EXPECT_EQ(pid1, ShowSingletonTab(page1));
308   EXPECT_FALSE(base::Process(pid1).IsProcessBackgrounded());
309   EXPECT_TRUE(base::Process(pid2).IsProcessBackgrounded());
310   EXPECT_TRUE(base::Process(pid3).IsProcessBackgrounded());
311 }
312 #endif
313
314 // TODO(nasko): crbug.com/173137
315 #if defined(OS_WIN)
316 #define MAYBE_ProcessOverflow DISABLED_ProcessOverflow
317 #else
318 #define MAYBE_ProcessOverflow ProcessOverflow
319 #endif
320
321 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest, MAYBE_ProcessOverflow) {
322   // Set max renderers to 1 to force running out of processes.
323   content::RenderProcessHost::SetMaxRendererProcessCount(1);
324   TestProcessOverflow();
325 }
326
327 // Variation of the ProcessOverflow test, which is driven through command line
328 // parameter instead of direct function call into the class.
329 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTestWithCommandLine,
330                        ProcessOverflow) {
331   TestProcessOverflow();
332 }
333
334 // Ensure that DevTools opened to debug DevTools is launched in a separate
335 // process when --process-per-tab is set. See crbug.com/69873.
336 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
337                        DevToolsOnSelfInOwnProcessPPT) {
338 #if defined(OS_WIN) && defined(USE_ASH)
339   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
340   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
341     return;
342 #endif
343
344   CommandLine& parsed_command_line = *CommandLine::ForCurrentProcess();
345   parsed_command_line.AppendSwitch(switches::kProcessPerTab);
346
347   int tab_count = 1;
348   int host_count = 1;
349
350   GURL page1("data:text/html,hello world1");
351   ui_test_utils::WindowedTabAddedNotificationObserver observer1(
352       content::NotificationService::AllSources());
353   chrome::ShowSingletonTab(browser(), page1);
354   observer1.Wait();
355   tab_count++;
356   host_count++;
357   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
358   EXPECT_EQ(host_count, RenderProcessHostCount());
359
360   // DevTools start in docked mode (no new tab), in a separate process.
361   chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Inspect());
362   host_count++;
363   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
364   EXPECT_EQ(host_count, RenderProcessHostCount());
365
366   RenderViewHost* devtools = FindFirstDevToolsHost();
367   DCHECK(devtools);
368
369   // DevTools start in a separate process.
370   DevToolsWindow::OpenDevToolsWindow(devtools, DevToolsToggleAction::Inspect());
371   host_count++;
372   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
373   EXPECT_EQ(host_count, RenderProcessHostCount());
374
375   // close docked devtools
376   content::WindowedNotificationObserver close_observer(
377       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
378       content::Source<WebContents>(WebContents::FromRenderViewHost(devtools)));
379
380   chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Toggle());
381   close_observer.Wait();
382 }
383
384 // Ensure that DevTools opened to debug DevTools is launched in a separate
385 // process. See crbug.com/69873.
386 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
387                        DevToolsOnSelfInOwnProcess) {
388 #if defined(OS_WIN) && defined(USE_ASH)
389   // Disable this test in Metro+Ash for now (http://crbug.com/262796).
390   if (CommandLine::ForCurrentProcess()->HasSwitch(switches::kAshBrowserTests))
391     return;
392 #endif
393
394   int tab_count = 1;
395   int host_count = 1;
396
397   GURL page1("data:text/html,hello world1");
398   ui_test_utils::WindowedTabAddedNotificationObserver observer1(
399       content::NotificationService::AllSources());
400   chrome::ShowSingletonTab(browser(), page1);
401   observer1.Wait();
402   tab_count++;
403   host_count++;
404   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
405   EXPECT_EQ(host_count, RenderProcessHostCount());
406
407   // DevTools start in docked mode (no new tab), in a separate process.
408   chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Inspect());
409   host_count++;
410   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
411   EXPECT_EQ(host_count, RenderProcessHostCount());
412
413   RenderViewHost* devtools = FindFirstDevToolsHost();
414   DCHECK(devtools);
415
416   // DevTools start in a separate process.
417   DevToolsWindow::OpenDevToolsWindow(devtools, DevToolsToggleAction::Inspect());
418   host_count++;
419   EXPECT_EQ(tab_count, browser()->tab_strip_model()->count());
420   EXPECT_EQ(host_count, RenderProcessHostCount());
421
422   // close docked devtools
423   content::WindowedNotificationObserver close_observer(
424       content::NOTIFICATION_WEB_CONTENTS_DESTROYED,
425       content::Source<content::WebContents>(
426           WebContents::FromRenderViewHost(devtools)));
427   chrome::ToggleDevToolsWindow(browser(), DevToolsToggleAction::Toggle());
428   close_observer.Wait();
429 }
430
431 // This class's goal is to close the browser window when a renderer process has
432 // crashed. It does so by monitoring WebContents for RenderProcessGone event and
433 // closing the passed in TabStripModel. This is used in the following test case.
434 class WindowDestroyer : public content::WebContentsObserver {
435  public:
436   WindowDestroyer(content::WebContents* web_contents, TabStripModel* model)
437       : content::WebContentsObserver(web_contents),
438         tab_strip_model_(model) {
439   }
440
441   virtual void RenderProcessGone(base::TerminationStatus status) OVERRIDE {
442     // Wait for the window to be destroyed, which will ensure all other
443     // RenderViewHost objects are deleted before we return and proceed with
444     // the next iteration of notifications.
445     content::WindowedNotificationObserver observer(
446         chrome::NOTIFICATION_BROWSER_CLOSED,
447         content::NotificationService::AllSources());
448     tab_strip_model_->CloseAllTabs();
449     observer.Wait();
450   }
451
452  private:
453   TabStripModel* tab_strip_model_;
454
455   DISALLOW_COPY_AND_ASSIGN(WindowDestroyer);
456 };
457
458 // Test to ensure that while iterating through all listeners in
459 // RenderProcessHost and invalidating them, we remove them properly and don't
460 // access already freed objects. See http://crbug.com/255524.
461 IN_PROC_BROWSER_TEST_F(ChromeRenderProcessHostTest,
462                        CloseAllTabsDuringProcessDied) {
463   GURL url(chrome::kChromeUIOmniboxURL);
464
465   ui_test_utils::NavigateToURL(browser(), url);
466   ui_test_utils::NavigateToURLWithDisposition(
467       browser(), url, NEW_BACKGROUND_TAB,
468       ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
469
470   EXPECT_EQ(2, browser()->tab_strip_model()->count());
471
472   WebContents* wc1 = browser()->tab_strip_model()->GetWebContentsAt(0);
473   WebContents* wc2 = browser()->tab_strip_model()->GetWebContentsAt(1);
474   EXPECT_EQ(wc1->GetRenderProcessHost(), wc2->GetRenderProcessHost());
475
476   // Create an object that will close the window on a process crash.
477   WindowDestroyer destroyer(wc1, browser()->tab_strip_model());
478
479   // Use NOTIFICATION_BROWSER_CLOSED instead of NOTIFICATION_WINDOW_CLOSED,
480   // since the latter is not implemented on OSX and the test will timeout,
481   // causing it to fail.
482   content::WindowedNotificationObserver observer(
483       chrome::NOTIFICATION_BROWSER_CLOSED,
484       content::NotificationService::AllSources());
485
486   // Kill the renderer process, simulating a crash. This should the ProcessDied
487   // method to be called. Alternatively, RenderProcessHost::OnChannelError can
488   // be called to directly force a call to ProcessDied.
489   base::KillProcess(wc1->GetRenderProcessHost()->GetHandle(), -1, true);
490
491   observer.Wait();
492 }