[subresource_filter] Add metrics for UI / related things

chrome/browser/subresource_filter/subresource_filter_content_settings_observer_factory_unittest.cc

+// Copyright 2017 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 "chrome/browser/subresource_filter/subresource_filter_content_settings_observer_factory.h"
+
+#include "base/macros.h"
+#include "base/test/histogram_tester.h"
+#include "chrome/browser/content_settings/host_content_settings_map_factory.h"
+#include "chrome/browser/subresource_filter/chrome_subresource_filter_client.h"
+#include "chrome/test/base/testing_profile.h"
+#include "components/content_settings/core/browser/host_content_settings_map.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+
+const char kActionsHistogram[] = "SubresourceFilter.Actions";
+
+class SubresourceFilterContentSettingsObserverFactoryTest
+    : public testing::Test {
+ public:
+  SubresourceFilterContentSettingsObserverFactoryTest() {}
+
+  void SetUp() override {
+    SubresourceFilterContentSettingsObserverFactory::EnsureForProfile(
+        &testing_profile_);
+    histogram_tester().ExpectTotalCount(kActionsHistogram, 0);
+  }
+
+  HostContentSettingsMap* GetSettingsMap() {
+    return HostContentSettingsMapFactory::GetForProfile(&testing_profile_);
+  }
+
+  const base::HistogramTester& histogram_tester() { return histogram_tester_; }
+
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+  TestingProfile testing_profile_;
+  base::HistogramTester histogram_tester_;
+
+  DISALLOW_COPY_AND_ASSIGN(SubresourceFilterContentSettingsObserverFactoryTest);
+};
+
+TEST_F(SubresourceFilterContentSettingsObserverFactoryTest, IrrelevantSetting) {
+  GetSettingsMap()->SetDefaultContentSetting(CONTENT_SETTINGS_TYPE_POPUPS,
+                                             CONTENT_SETTING_ALLOW);
+  histogram_tester().ExpectTotalCount(kActionsHistogram, 0);
+}
+
+TEST_F(SubresourceFilterContentSettingsObserverFactoryTest, DefaultSetting) {
+  GetSettingsMap()->SetDefaultContentSetting(
+      CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, CONTENT_SETTING_ALLOW);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsAllowedGlobal, 1);
+
+  GetSettingsMap()->SetDefaultContentSetting(
+      CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, CONTENT_SETTING_BLOCK);
+  histogram_tester().ExpectTotalCount(kActionsHistogram, 2);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsBlockedGlobal, 1);
+}
+
+TEST_F(SubresourceFilterContentSettingsObserverFactoryTest, UrlSetting) {
+  GURL url("https://www.example.test/");
+
+  GetSettingsMap()->SetContentSettingDefaultScope(
+      url, url, CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, std::string(),
+      CONTENT_SETTING_BLOCK);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsBlocked, 1);
+
+  GetSettingsMap()->SetContentSettingDefaultScope(
+      url, url, CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, std::string(),
+      CONTENT_SETTING_ALLOW);
+  histogram_tester().ExpectTotalCount(kActionsHistogram, 2);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsAllowed, 1);
+}
+
+TEST_F(SubresourceFilterContentSettingsObserverFactoryTest, WildcardUpdate) {
+  ContentSettingsPattern primary_pattern =
+      ContentSettingsPattern::FromString("[*.]example.test");
+  ContentSettingsPattern secondary_pattern = ContentSettingsPattern::Wildcard();
+
+  GetSettingsMap()->SetContentSettingCustomScope(
+      primary_pattern, secondary_pattern,
+      CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, std::string(),
+      CONTENT_SETTING_BLOCK);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsWildcardUpdate, 1);
+
+  GetSettingsMap()->SetContentSettingCustomScope(
+      primary_pattern, secondary_pattern,
+      CONTENT_SETTINGS_TYPE_SUBRESOURCE_FILTER, std::string(),
+      CONTENT_SETTING_ALLOW);
+  histogram_tester().ExpectTotalCount(kActionsHistogram, 2);
+  histogram_tester().ExpectBucketCount(kActionsHistogram,
+                                       kActionContentSettingsWildcardUpdate, 2);
+}
+
+}  // namespace