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// Copyright (c) 2012 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 "base/strings/utf_string_conversions.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/profiles/profile_manager.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/url_constants.h"
#include "chrome/test/base/ui_test_utils.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/render_view_host.h"
#include "content/public/browser/site_instance.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_host.h"
#include "extensions/browser/process_manager.h"
#include "extensions/common/switches.h"
#include "net/dns/mock_host_resolver.h"
#include "net/test/embedded_test_server/embedded_test_server.h"
using content::NavigationController;
using content::WebContents;
namespace {
class ProcessManagementTest : public ExtensionBrowserTest {
private:
// This is needed for testing isolated apps, which are still experimental.
void SetUpCommandLine(base::CommandLine* command_line) override {
ExtensionBrowserTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(
extensions::switches::kEnableExperimentalExtensionApis);
}
};
} // namespace
// TODO(nasko): crbug.com/173137
#if defined(OS_WIN)
#define MAYBE_ProcessOverflow DISABLED_ProcessOverflow
#else
#define MAYBE_ProcessOverflow ProcessOverflow
#endif
// Ensure that an isolated app never shares a process with WebUIs, non-isolated
// extensions, and normal webpages. None of these should ever comingle
// RenderProcessHosts even if we hit the process limit.
IN_PROC_BROWSER_TEST_F(ProcessManagementTest, MAYBE_ProcessOverflow) {
// Set max renderers to 1 to force running out of processes.
content::RenderProcessHost::SetMaxRendererProcessCount(1);
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app1")));
ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("isolated_apps/app2")));
ASSERT_TRUE(LoadExtension(test_data_dir_.AppendASCII("hosted_app")));
ASSERT_TRUE(
LoadExtension(test_data_dir_.AppendASCII("api_test/app_process")));
// The app under test acts on URLs whose host is "localhost",
// so the URLs we navigate to must have host "localhost".
GURL base_url = embedded_test_server()->GetURL(
"/extensions/");
GURL::Replacements replace_host;
std::string host_str("localhost"); // Must stay in scope with replace_host.
replace_host.SetHostStr(host_str);
base_url = base_url.ReplaceComponents(replace_host);
// Load an extension before adding tabs.
const extensions::Extension* extension1 = LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/basics"));
ASSERT_TRUE(extension1);
GURL extension1_url = extension1->url();
// Create multiple tabs for each type of renderer that might exist.
ui_test_utils::NavigateToURL(
browser(), base_url.Resolve("isolated_apps/app1/main.html"));
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(chrome::kChromeUINewTabURL),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("hosted_app/main.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("test_file.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("isolated_apps/app2/main.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), GURL(chrome::kChromeUINewTabURL),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("api_test/app_process/path1/empty.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("test_file_with_body.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
// Load another copy of isolated app 1.
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("isolated_apps/app1/main.html"),
NEW_FOREGROUND_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
// Load another extension.
const extensions::Extension* extension2 = LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/close_background"));
ASSERT_TRUE(extension2);
GURL extension2_url = extension2->url();
// Get tab processes.
ASSERT_EQ(9, browser()->tab_strip_model()->count());
content::RenderProcessHost* isolated1_host =
browser()->tab_strip_model()->GetWebContentsAt(0)->GetRenderProcessHost();
content::RenderProcessHost* ntp1_host =
browser()->tab_strip_model()->GetWebContentsAt(1)->GetRenderProcessHost();
content::RenderProcessHost* hosted1_host =
browser()->tab_strip_model()->GetWebContentsAt(2)->GetRenderProcessHost();
content::RenderProcessHost* web1_host =
browser()->tab_strip_model()->GetWebContentsAt(3)->GetRenderProcessHost();
content::RenderProcessHost* isolated2_host =
browser()->tab_strip_model()->GetWebContentsAt(4)->GetRenderProcessHost();
content::RenderProcessHost* ntp2_host =
browser()->tab_strip_model()->GetWebContentsAt(5)->GetRenderProcessHost();
content::RenderProcessHost* hosted2_host =
browser()->tab_strip_model()->GetWebContentsAt(6)->GetRenderProcessHost();
content::RenderProcessHost* web2_host =
browser()->tab_strip_model()->GetWebContentsAt(7)->GetRenderProcessHost();
content::RenderProcessHost* second_isolated1_host =
browser()->tab_strip_model()->GetWebContentsAt(8)->GetRenderProcessHost();
// Get extension processes.
extensions::ProcessManager* process_manager =
extensions::ProcessManager::Get(browser()->profile());
content::RenderProcessHost* extension1_host =
process_manager->GetSiteInstanceForURL(extension1_url)->GetProcess();
content::RenderProcessHost* extension2_host =
process_manager->GetSiteInstanceForURL(extension2_url)->GetProcess();
// An isolated app only shares with other instances of itself, not other
// isolated apps or anything else.
EXPECT_EQ(isolated1_host, second_isolated1_host);
EXPECT_NE(isolated1_host, isolated2_host);
EXPECT_NE(isolated1_host, ntp1_host);
EXPECT_NE(isolated1_host, hosted1_host);
EXPECT_NE(isolated1_host, web1_host);
EXPECT_NE(isolated1_host, extension1_host);
EXPECT_NE(isolated2_host, ntp1_host);
EXPECT_NE(isolated2_host, hosted1_host);
EXPECT_NE(isolated2_host, web1_host);
EXPECT_NE(isolated2_host, extension1_host);
// Everything else is clannish. WebUI only shares with other WebUI.
EXPECT_EQ(ntp1_host, ntp2_host);
EXPECT_NE(ntp1_host, hosted1_host);
EXPECT_NE(ntp1_host, web1_host);
EXPECT_NE(ntp1_host, extension1_host);
// Hosted apps only share with each other.
// Note that hosted2_host's app has the background permission and will use
// process-per-site mode, but it should still share with hosted1_host's app.
EXPECT_EQ(hosted1_host, hosted2_host);
EXPECT_NE(hosted1_host, web1_host);
EXPECT_NE(hosted1_host, extension1_host);
// Web pages only share with each other.
EXPECT_EQ(web1_host, web2_host);
EXPECT_NE(web1_host, extension1_host);
// Extensions only share with each other.
EXPECT_EQ(extension1_host, extension2_host);
}
// See
#if defined(OS_WIN)
#define MAYBE_ExtensionProcessBalancing DISABLED_ExtensionProcessBalancing
#else
#define MAYBE_ExtensionProcessBalancing ExtensionProcessBalancing
#endif
// Test to verify that the policy of maximum share of extension processes is
// properly enforced.
IN_PROC_BROWSER_TEST_F(ProcessManagementTest, MAYBE_ExtensionProcessBalancing) {
// Set max renderers to 6 so we can expect 2 extension processes to be
// allocated.
content::RenderProcessHost::SetMaxRendererProcessCount(6);
host_resolver()->AddRule("*", "127.0.0.1");
ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
// The app under test acts on URLs whose host is "localhost",
// so the URLs we navigate to must have host "localhost".
GURL base_url = embedded_test_server()->GetURL(
"/extensions/");
GURL::Replacements replace_host;
std::string host_str("localhost"); // Must stay in scope with replace_host.
replace_host.SetHostStr(host_str);
base_url = base_url.ReplaceComponents(replace_host);
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/none")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/basics")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/remove_popup")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/add_popup")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/browser_action/no_icon")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("isolated_apps/app1")));
ASSERT_TRUE(LoadExtension(
test_data_dir_.AppendASCII("api_test/management/test")));
ui_test_utils::NavigateToURL(
browser(), base_url.Resolve("isolated_apps/app1/main.html"));
ui_test_utils::NavigateToURL(
browser(), base_url.Resolve("api_test/management/test/basics.html"));
std::set<int> process_ids;
Profile* profile = browser()->profile();
extensions::ProcessManager* epm = extensions::ProcessManager::Get(profile);
for (extensions::ProcessManager::const_iterator iter =
epm->background_hosts().begin();
iter != epm->background_hosts().end(); ++iter) {
process_ids.insert((*iter)->render_process_host()->GetID());
}
// We've loaded 5 extensions with background pages, 1 extension without
// background page, and one isolated app. We expect only 2 unique processes
// hosting those extensions.
extensions::ProcessMap* process_map = extensions::ProcessMap::Get(profile);
EXPECT_GE((size_t) 6, process_map->size());
EXPECT_EQ((size_t) 2, process_ids.size());
}
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