Add functions to clean URLs from the activity log

chrome/browser/extensions/activity_log/counting_policy_unittest.cc

Index: chrome/browser/extensions/activity_log/counting_policy_unittest.cc
diff --git a/chrome/browser/extensions/activity_log/counting_policy_unittest.cc b/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
index 4763adb995a421a2ea4cc942e2af9f38354483b7..afcbb15d5f7a834fba882394417daeaaf6589269 100644
--- a/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
+++ b/chrome/browser/extensions/activity_log/counting_policy_unittest.cc
@@ -249,6 +249,37 @@ class CountingPolicyTest : public testing::Test {
     }
   }
 
+  static void AllURLsRemoved(scoped_ptr<Action::ActionVector> actions) {
+    std::string action_urls_cleared =
+        "ID=punky CATEGORY=dom_access API=lets ARGS=[\"vamoose\"] COUNT=1";
+    ASSERT_EQ(2, static_cast<int>(actions->size()));
+    ASSERT_EQ(action_urls_cleared, actions->at(0)->PrintForDebug());
+    ASSERT_EQ(action_urls_cleared, actions->at(1)->PrintForDebug());
+  }
+
+  static void SomeURLsRemoved(scoped_ptr<Action::ActionVector> actions) {
+    std::string action_nothing_cleared =
+        "ID=punky CATEGORY=dom_access API=lets ARGS=[\"vamoose\"] "
+        "PAGE_URL=http://www.google.com/ PAGE_TITLE=\"Google\" "
+        "ARG_URL=http://www.arg-urls.com/ COUNT=1";
+    std::string action_has_page_url =
+        "ID=punky CATEGORY=dom_access API=lets ARGS=[\"vamoose\"] "
+        "PAGE_URL=http://www.google.com/ PAGE_TITLE=\"Google\" COUNT=1";
+    std::string action_has_arg_url =
+        "ID=punky CATEGORY=dom_access API=lets ARGS=[\"vamoose\"] "
+        "ARG_URL=http://www.google.com/ COUNT=1";
+    std::string action_no_url_info =
+        "ID=punky CATEGORY=dom_access API=lets ARGS=[\"vamoose\"] COUNT=1";
+
+    ASSERT_EQ(5, static_cast<int>(actions->size()));
+    // These should be in reverse time order.
+    ASSERT_EQ(action_nothing_cleared, actions->at(0)->PrintForDebug());
+    ASSERT_EQ(action_has_page_url, actions->at(1)->PrintForDebug());
+    ASSERT_EQ(action_no_url_info, actions->at(2)->PrintForDebug());
+    ASSERT_EQ(action_has_arg_url, actions->at(3)->PrintForDebug());
+    ASSERT_EQ(action_no_url_info, actions->at(4)->PrintForDebug());
+  }
+
  protected:
   ExtensionService* extension_service_;
   scoped_ptr<TestingProfile> profile_;
@@ -734,7 +765,123 @@ TEST_F(CountingPolicyTest, EarlyFlush) {
 
   policy->ScheduleAndForget(policy, &CountingPolicyTest::CheckQueueSize);
   WaitOnThread(BrowserThread::DB);
+  policy->Close();
+}
+
+TEST_F(CountingPolicyTest, RemoveAllURLs) {
+  ActivityLogPolicy* policy = new CountingPolicy(profile_.get());
+
+  // Use a mock clock to ensure that events are not recorded on the wrong day
+  // when the test is run close to local midnight.
+  base::SimpleTestClock* mock_clock = new base::SimpleTestClock();
+  mock_clock->SetNow(base::Time::Now().LocalMidnight() +
+                     base::TimeDelta::FromHours(12));
+  policy->SetClockForTesting(scoped_ptr<base::Clock>(mock_clock));
+
+  // Record some actions
+  scoped_refptr<Action> action =
+      new Action("punky", mock_clock->Now(),
+                 Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google.com"));
+  action->set_page_title("Google");
+  action->set_arg_url(GURL("http://www.google.com"));
+  policy->ProcessAction(action);
+
+  mock_clock->Advance(base::TimeDelta::FromSeconds(1));
+  action = new Action(
+      "punky", mock_clock->Now(), Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google2.com"));
+  action->set_page_title("Google");
+  // Deliberately no arg url set to make sure it stills works if there is no arg
+  // url.
+  policy->ProcessAction(action);
+
+  // Clean all the URLs.
+  std::vector<GURL> no_url_restrictions;
+  policy->RemoveURLs(no_url_restrictions);
+
+  CheckReadData(
+      policy,
+      "punky",
+      0,
+      base::Bind(&CountingPolicyTest::AllURLsRemoved));
+  policy->Close();
+}
 
+TEST_F(CountingPolicyTest, RemoveSpecificURLs) {
+  ActivityLogPolicy* policy = new CountingPolicy(profile_.get());
+
+  // Use a mock clock to ensure that events are not recorded on the wrong day
+  // when the test is run close to local midnight.
+  base::SimpleTestClock* mock_clock = new base::SimpleTestClock();
+  mock_clock->SetNow(base::Time::Now().LocalMidnight() +
+                     base::TimeDelta::FromHours(12));
+  policy->SetClockForTesting(scoped_ptr<base::Clock>(mock_clock));
+
+  // Record some actions
+  // This should have the page url and args url cleared.
+  scoped_refptr<Action> action = new Action("punky", mock_clock->Now(),
+                                            Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google1.com"));
+  action->set_page_title("Google");
+  action->set_arg_url(GURL("http://www.google1.com"));
+  policy->ProcessAction(action);
+
+  // This should have the page url cleared but not args url.
+  mock_clock->Advance(base::TimeDelta::FromSeconds(1));
+  action = new Action(
+      "punky", mock_clock->Now(), Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google1.com"));
+  action->set_page_title("Google");
+  action->set_arg_url(GURL("http://www.google.com"));
+  policy->ProcessAction(action);
+
+  // This should have the page url cleared. The args url is deliberately not
+  // set to make sure this doesn't cause any issues.
+  mock_clock->Advance(base::TimeDelta::FromSeconds(1));
+  action = new Action(
+      "punky", mock_clock->Now(), Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google2.com"));
+  action->set_page_title("Google");
+  policy->ProcessAction(action);
+
+  // This should have the args url cleared but not the page url or page title.
+  mock_clock->Advance(base::TimeDelta::FromSeconds(1));
+  action = new Action(
+      "punky", mock_clock->Now(), Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google.com"));
+  action->set_page_title("Google");
+  action->set_arg_url(GURL("http://www.google1.com"));
+  policy->ProcessAction(action);
+
+  // This should have neither cleared.
+  mock_clock->Advance(base::TimeDelta::FromSeconds(1));
+  action = new Action(
+      "punky", mock_clock->Now(), Action::ACTION_DOM_ACCESS, "lets");
+  action->mutable_args()->AppendString("vamoose");
+  action->set_page_url(GURL("http://www.google.com"));
+  action->set_page_title("Google");
+  action->set_arg_url(GURL("http://www.arg-urls.com"));
+  policy->ProcessAction(action);
+
+    // Clean some URLs.
+  std::vector<GURL> urls;
+  urls.push_back(GURL("http://www.google1.com"));
+  urls.push_back(GURL("http://www.google2.com"));
+  urls.push_back(GURL("http://www.url_not_in_db.com"));
+  policy->RemoveURLs(urls);
+
+  CheckReadData(
+      policy,
+      "punky",
+      0,
+      base::Bind(&CountingPolicyTest::SomeURLsRemoved));
   policy->Close();
 }