chrome/browser/site_details_browsertest.cc

   1 // Copyright 2015 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 "chrome/browser/site_details.h"
   6
   7 #include "base/bind_helpers.h"
   8 #include "base/message_loop/message_loop.h"
   9 #include "base/path_service.h"
  10 #include "base/test/histogram_tester.h"
  11 #include "chrome/browser/metrics/metrics_memory_details.h"
  12 #include "chrome/browser/ui/browser.h"
  13 #include "chrome/browser/ui/tabs/tab_strip_model.h"
  14 #include "chrome/test/base/in_process_browser_test.h"
  15 #include "chrome/test/base/ui_test_utils.h"
  16 #include "content/public/browser/notification_service.h"
  17 #include "content/public/test/browser_test_utils.h"
  18 #include "content/public/test/test_utils.h"
  19 #include "net/dns/mock_host_resolver.h"
  20 #include "net/test/embedded_test_server/embedded_test_server.h"
  21 #include "testing/gmock/include/gmock/gmock.h"
  22
  23 using base::Bucket;
  24 using testing::ContainerEq;
  25 using testing::ElementsAre;
  26
  27 namespace {
  28
  29 class TestMemoryDetails : public MetricsMemoryDetails {
  30  public:
  31   TestMemoryDetails()
  32       : MetricsMemoryDetails(base::Bind(&base::DoNothing), nullptr) {}
  33
  34   void StartFetchAndWait() {
  35     uma_.reset(new base::HistogramTester());
  36     StartFetch(FROM_CHROME_ONLY);
  37     content::RunMessageLoop();
  38   }
  39
  40   // Returns a HistogramTester which observed the most recent call to
  41   // StartFetchAndWait().
  42   base::HistogramTester* uma() { return uma_.get(); }
  43
  44  private:
  45   ~TestMemoryDetails() override {}
  46
  47   void OnDetailsAvailable() override {
  48     MetricsMemoryDetails::OnDetailsAvailable();
  49     // Exit the loop initiated by StartFetchAndWait().
  50     base::MessageLoop::current()->Quit();
  51   }
  52
  53   scoped_ptr<base::HistogramTester> uma_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(TestMemoryDetails);
  56 };
  57
  58 }  // namespace
  59
  60 class SiteDetailsBrowserTest : public InProcessBrowserTest {
  61  public:
  62   SiteDetailsBrowserTest() {}
  63   ~SiteDetailsBrowserTest() override {}
  64
  65   void SetUpOnMainThread() override {
  66     host_resolver()->AddRule("*", "127.0.0.1");
  67
  68     // Add content/test/data so we can use cross_site_iframe_factory.html
  69     base::FilePath test_data_dir;
  70     ASSERT_TRUE(PathService::Get(base::DIR_SOURCE_ROOT, &test_data_dir));
  71     embedded_test_server()->ServeFilesFromDirectory(
  72         test_data_dir.AppendASCII("content/test/data/"));
  73     ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
  74   }
  75
  76  private:
  77   DISALLOW_COPY_AND_ASSIGN(SiteDetailsBrowserTest);
  78 };
  79
  80 // Test the accuracy of SiteDetails process estimation, in the presence of
  81 // multiple iframes, navigation, multiple BrowsingInstances, and multiple tabs
  82 // in the same BrowsingInstance.
  83 IN_PROC_BROWSER_TEST_F(SiteDetailsBrowserTest, ManyCrossSiteIframes) {
  84   // Page with 14 nested oopifs across 9 sites (a.com through i.com).
  85   // None of these are https.
  86   GURL abcdefghi_url = embedded_test_server()->GetURL(
  87       "a.com",
  88       "/cross_site_iframe_factory.html?a(b(a(b,c,d,e,f,g,h)),c,d,e,i(f))");
  89   ui_test_utils::NavigateToURL(browser(), abcdefghi_url);
  90
  91   // Get the metrics.
  92   scoped_refptr<TestMemoryDetails> details = new TestMemoryDetails();
  93   details->StartFetchAndWait();
  94
  95   EXPECT_THAT(
  96       details->uma()->GetAllSamples("SiteIsolation.BrowsingInstanceCount"),
  97       ElementsAre(Bucket(1, 1)));
  98   EXPECT_THAT(details->uma()->GetAllSamples(
  99                   "SiteIsolation.CurrentRendererProcessCount"),
 100               ElementsAre(Bucket(1, 1)));
 101   EXPECT_THAT(details->uma()->GetAllSamples(
 102                   "SiteIsolation.IsolateAllSitesProcessCountEstimate"),
 103               ElementsAre(Bucket(9, 1)));
 104   EXPECT_THAT(details->uma()->GetAllSamples(
 105                   "SiteIsolation.IsolateAllSitesProcessCountLowerBound"),
 106               ElementsAre(Bucket(9, 1)));
 107   EXPECT_THAT(details->uma()->GetAllSamples(
 108                   "SiteIsolation.IsolateAllSitesProcessCountNoLimit"),
 109               ElementsAre(Bucket(9, 1)));
 110   EXPECT_THAT(details->uma()->GetAllSamples(
 111                   "SiteIsolation.IsolateHttpsSitesProcessCountEstimate"),
 112               ElementsAre(Bucket(1, 1)));
 113   EXPECT_THAT(details->uma()->GetAllSamples(
 114                   "SiteIsolation.IsolateHttpsSitesProcessCountLowerBound"),
 115               ElementsAre(Bucket(1, 1)));
 116   EXPECT_THAT(details->uma()->GetAllSamples(
 117                   "SiteIsolation.IsolateHttpsSitesProcessCountNoLimit"),
 118               ElementsAre(Bucket(1, 1)));
 119
 120   // Navigate to a different, disjoint set of 7 sites.
 121   GURL pqrstuv_url = embedded_test_server()->GetURL(
 122       "p.com",
 123       "/cross_site_iframe_factory.html?p(q(r),r(s),s(t),t(q),u(u),v(p))");
 124   ui_test_utils::NavigateToURL(browser(), pqrstuv_url);
 125
 126   details = new TestMemoryDetails();
 127   details->StartFetchAndWait();
 128
 129   EXPECT_THAT(
 130       details->uma()->GetAllSamples("SiteIsolation.BrowsingInstanceCount"),
 131       ElementsAre(Bucket(1, 1)));
 132   EXPECT_THAT(details->uma()->GetAllSamples(
 133                   "SiteIsolation.CurrentRendererProcessCount"),
 134               ElementsAre(Bucket(1, 1)));
 135   EXPECT_THAT(details->uma()->GetAllSamples(
 136                   "SiteIsolation.IsolateAllSitesProcessCountEstimate"),
 137               ElementsAre(Bucket(7, 1)));
 138   EXPECT_THAT(details->uma()->GetAllSamples(
 139                   "SiteIsolation.IsolateAllSitesProcessCountLowerBound"),
 140               ElementsAre(Bucket(7, 1)));
 141   EXPECT_THAT(details->uma()->GetAllSamples(
 142                   "SiteIsolation.IsolateAllSitesProcessCountNoLimit"),
 143               ElementsAre(Bucket(7, 1)));
 144   EXPECT_THAT(details->uma()->GetAllSamples(
 145                   "SiteIsolation.IsolateHttpsSitesProcessCountEstimate"),
 146               ElementsAre(Bucket(1, 1)));
 147   EXPECT_THAT(details->uma()->GetAllSamples(
 148                   "SiteIsolation.IsolateHttpsSitesProcessCountLowerBound"),
 149               ElementsAre(Bucket(1, 1)));
 150   EXPECT_THAT(details->uma()->GetAllSamples(
 151                   "SiteIsolation.IsolateHttpsSitesProcessCountNoLimit"),
 152               ElementsAre(Bucket(1, 1)));
 153
 154   // Open a second tab (different BrowsingInstance) with 4 sites (a through d).
 155   GURL abcd_url = embedded_test_server()->GetURL(
 156       "a.com", "/cross_site_iframe_factory.html?a(b(c(d())))");
 157   AddTabAtIndex(1, abcd_url, ui::PAGE_TRANSITION_TYPED);
 158
 159   details = new TestMemoryDetails();
 160   details->StartFetchAndWait();
 161
 162   EXPECT_THAT(
 163       details->uma()->GetAllSamples("SiteIsolation.BrowsingInstanceCount"),
 164       ElementsAre(Bucket(2, 1)));
 165   EXPECT_THAT(details->uma()->GetAllSamples(
 166                   "SiteIsolation.CurrentRendererProcessCount"),
 167               ElementsAre(Bucket(2, 1)));
 168   EXPECT_THAT(details->uma()->GetAllSamples(
 169                   "SiteIsolation.IsolateAllSitesProcessCountEstimate"),
 170               ElementsAre(Bucket(11, 1)));
 171   EXPECT_THAT(details->uma()->GetAllSamples(
 172                   "SiteIsolation.IsolateAllSitesProcessCountLowerBound"),
 173               ElementsAre(Bucket(11, 1)));
 174   EXPECT_THAT(details->uma()->GetAllSamples(
 175                   "SiteIsolation.IsolateAllSitesProcessCountNoLimit"),
 176               ElementsAre(Bucket(11, 1)));
 177   EXPECT_THAT(details->uma()->GetAllSamples(
 178                   "SiteIsolation.IsolateHttpsSitesProcessCountEstimate"),
 179               ElementsAre(Bucket(2, 1)));
 180   EXPECT_THAT(details->uma()->GetAllSamples(
 181                   "SiteIsolation.IsolateHttpsSitesProcessCountLowerBound"),
 182               ElementsAre(Bucket(1, 1)));  // TODO(nick): This should be 2.
 183   EXPECT_THAT(details->uma()->GetAllSamples(
 184                   "SiteIsolation.IsolateHttpsSitesProcessCountNoLimit"),
 185               ElementsAre(Bucket(2, 1)));
 186
 187   // Open a third tab (different BrowsingInstance) with the same 4 sites.
 188   AddTabAtIndex(2, abcd_url, ui::PAGE_TRANSITION_TYPED);
 189
 190   details = new TestMemoryDetails();
 191   details->StartFetchAndWait();
 192
 193   EXPECT_THAT(
 194       details->uma()->GetAllSamples("SiteIsolation.BrowsingInstanceCount"),
 195       ElementsAre(Bucket(3, 1)));
 196   EXPECT_THAT(details->uma()->GetAllSamples(
 197                   "SiteIsolation.CurrentRendererProcessCount"),
 198               ElementsAre(Bucket(3, 1)));
 199   // Could be 11 if subframe processes were reused across BrowsingInstances.
 200   EXPECT_THAT(details->uma()->GetAllSamples(
 201                   "SiteIsolation.IsolateAllSitesProcessCountEstimate"),
 202               ElementsAre(Bucket(15, 1)));
 203   EXPECT_THAT(details->uma()->GetAllSamples(
 204                   "SiteIsolation.IsolateAllSitesProcessCountLowerBound"),
 205               ElementsAre(Bucket(11, 1)));
 206   EXPECT_THAT(details->uma()->GetAllSamples(
 207                   "SiteIsolation.IsolateAllSitesProcessCountNoLimit"),
 208               ElementsAre(Bucket(15, 1)));
 209   EXPECT_THAT(details->uma()->GetAllSamples(
 210                   "SiteIsolation.IsolateHttpsSitesProcessCountEstimate"),
 211               ElementsAre(Bucket(3, 1)));
 212   EXPECT_THAT(details->uma()->GetAllSamples(
 213                   "SiteIsolation.IsolateHttpsSitesProcessCountLowerBound"),
 214               ElementsAre(Bucket(1, 1)));  // TODO(nick): This should be 3.
 215   EXPECT_THAT(details->uma()->GetAllSamples(
 216                   "SiteIsolation.IsolateHttpsSitesProcessCountNoLimit"),
 217               ElementsAre(Bucket(3, 1)));
 218
 219   // Do a window.open() to obtain a fourth tab in the same BrowsingInstance as
 220   // the third tab. The new page uses the same four sites "a-d" as third tab,
 221   // plus an additional site "e". The estimated process counts should increase
 222   // by one (not five) from the previous result, since the new tab can reuse the
 223   // four processes already in the BrowsingInstance.
 224   GURL dcbae_url = embedded_test_server()->GetURL(
 225       "a.com", "/cross_site_iframe_factory.html?d(c(b(a(e))))");
 226   ui_test_utils::UrlLoadObserver load_complete(
 227       dcbae_url, content::NotificationService::AllSources());
 228   ASSERT_EQ(3, browser()->tab_strip_model()->count());
 229   ASSERT_TRUE(content::ExecuteScript(
 230       browser()->tab_strip_model()->GetActiveWebContents(),
 231       "window.open('" + dcbae_url.spec() + "');"));
 232   ASSERT_EQ(4, browser()->tab_strip_model()->count());
 233   load_complete.Wait();
 234
 235   details = new TestMemoryDetails();
 236   details->StartFetchAndWait();
 237
 238   EXPECT_THAT(
 239       details->uma()->GetAllSamples("SiteIsolation.BrowsingInstanceCount"),
 240       ElementsAre(Bucket(3, 1)));
 241   EXPECT_THAT(details->uma()->GetAllSamples(
 242                   "SiteIsolation.CurrentRendererProcessCount"),
 243               ElementsAre(Bucket(3, 1)));
 244   // Could be 11 if subframe processes were reused across BrowsingInstances.
 245   EXPECT_THAT(details->uma()->GetAllSamples(
 246                   "SiteIsolation.IsolateAllSitesProcessCountEstimate"),
 247               ElementsAre(Bucket(16, 1)));
 248   EXPECT_THAT(details->uma()->GetAllSamples(
 249                   "SiteIsolation.IsolateAllSitesProcessCountLowerBound"),
 250               ElementsAre(Bucket(12, 1)));
 251   EXPECT_THAT(details->uma()->GetAllSamples(
 252                   "SiteIsolation.IsolateAllSitesProcessCountNoLimit"),
 253               ElementsAre(Bucket(16, 1)));
 254   EXPECT_THAT(details->uma()->GetAllSamples(
 255                   "SiteIsolation.IsolateHttpsSitesProcessCountEstimate"),
 256               ElementsAre(Bucket(3, 1)));
 257   EXPECT_THAT(details->uma()->GetAllSamples(
 258                   "SiteIsolation.IsolateHttpsSitesProcessCountLowerBound"),
 259               ElementsAre(Bucket(1, 1)));  // TODO(nick): This should be 3.
 260   EXPECT_THAT(details->uma()->GetAllSamples(
 261                   "SiteIsolation.IsolateHttpsSitesProcessCountNoLimit"),
 262               ElementsAre(Bucket(3, 1)));
 263 }