1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
|
// 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/utf_string_conversions.h"
#include "chrome/browser/automation/automation_util.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/extensions/extension_host.h"
#include "chrome/browser/extensions/extension_process_manager.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/tab_contents/tab_contents.h"
#include "chrome/common/chrome_switches.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 "net/base/mock_host_resolver.h"
using content::NavigationController;
using content::WebContents;
namespace {
class ProcessManagementTest : public ExtensionBrowserTest {
private:
// This is needed for testing isolated apps, which are still experimental.
virtual void SetUpCommandLine(CommandLine* command_line) {
ExtensionBrowserTest::SetUpCommandLine(command_line);
command_line->AppendSwitch(switches::kEnableExperimentalExtensionApis);
}
};
} // namespace
// 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, 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(test_server()->Start());
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 = test_server()->GetURL(
"files/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::NavigateToURLWithDisposition(
browser(), base_url.Resolve("isolated_apps/app1/main.html"),
CURRENT_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("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_count());
content::RenderProcessHost* isolated1_host =
browser()->GetWebContentsAt(0)->GetRenderProcessHost();
content::RenderProcessHost* ntp1_host =
browser()->GetWebContentsAt(1)->GetRenderProcessHost();
content::RenderProcessHost* hosted1_host =
browser()->GetWebContentsAt(2)->GetRenderProcessHost();
content::RenderProcessHost* web1_host =
browser()->GetWebContentsAt(3)->GetRenderProcessHost();
content::RenderProcessHost* isolated2_host =
browser()->GetWebContentsAt(4)->GetRenderProcessHost();
content::RenderProcessHost* ntp2_host =
browser()->GetWebContentsAt(5)->GetRenderProcessHost();
content::RenderProcessHost* hosted2_host =
browser()->GetWebContentsAt(6)->GetRenderProcessHost();
content::RenderProcessHost* web2_host =
browser()->GetWebContentsAt(7)->GetRenderProcessHost();
content::RenderProcessHost* second_isolated1_host =
browser()->GetWebContentsAt(8)->GetRenderProcessHost();
// Get extension processes.
ExtensionProcessManager* process_manager =
browser()->profile()->GetExtensionProcessManager();
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.
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);
}
// Test to verify that the policy of maximum share of extension processes is
// properly enforced.
IN_PROC_BROWSER_TEST_F(ProcessManagementTest, 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(test_server()->Start());
// The app under test acts on URLs whose host is "localhost",
// so the URLs we navigate to must have host "localhost".
GURL base_url = test_server()->GetURL(
"files/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::NavigateToURLWithDisposition(
browser(), base_url.Resolve("isolated_apps/app1/main.html"),
CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
ui_test_utils::NavigateToURLWithDisposition(
browser(), base_url.Resolve("api_test/management/test/basics.html"),
CURRENT_TAB, ui_test_utils::BROWSER_TEST_WAIT_FOR_NAVIGATION);
std::set<int> process_ids;
Profile* profile = browser()->profile();
ExtensionProcessManager* epm = profile->GetExtensionProcessManager();
for (ExtensionProcessManager::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.
EXPECT_GE((size_t) 6, profile->GetExtensionService()->process_map()->size());
EXPECT_EQ((size_t) 2, process_ids.size());
}
|
