Add unit test for Site Settings Handler.

chrome/browser/ui/webui/settings/site_settings_handler_unittest.cc

+// Copyright 2016 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/ui/webui/settings/site_settings_handler.h"
+
+#include "base/memory/scoped_ptr.h"
+#include "chrome/browser/ui/webui/site_settings_helper.h"
+#include "chrome/test/base/testing_profile.h"
+#include "components/content_settings/core/common/content_settings.h"
+#include "components/content_settings/core/common/content_settings_types.h"
+#include "content/public/browser/web_ui_data_source.h"
+#include "content/public/test/test_browser_thread_bundle.h"
+#include "content/public/test/test_web_ui.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+  const char kCallbackId[] = "test-callback-id";

[michaelpg, 2016/04/05 19:33:36]

nit: no indent

+}
+
+namespace settings {
+
+class SiteSettingsHandlerTest : public testing::Test {
+ public:
+  SiteSettingsHandlerTest() {}
+
+  Profile* profile() { return &profile_; }
+  content::TestWebUI* web_ui() { return &web_ui_; }
+
+  void ValidateDefault(bool expected_default, size_t expected_total_calls) {
+    EXPECT_EQ(expected_total_calls, web_ui()->call_data().size());
+
+    const content::TestWebUI::CallData& data = *web_ui()->call_data().back();
+    EXPECT_EQ("cr.webUIResponse", data.function_name());
+
+    std::string callback_id;
+    ASSERT_TRUE(data.arg1()->GetAsString(&callback_id));
+    EXPECT_EQ(kCallbackId, callback_id);
+
+    bool success = false;
+    ASSERT_TRUE(data.arg2()->GetAsBoolean(&success));
+    ASSERT_TRUE(success);
+
+    bool enabled;
+    ASSERT_TRUE(data.arg3()->GetAsBoolean(&enabled));
+    EXPECT_EQ(expected_default, enabled);
+  }
+
+  void ValidateOrigin(
+      const std::string& expected_origin,
+      const std::string& expected_embedding,
+      const std::string& expected_setting,
+      const std::string& expected_source,
+      size_t expected_total_calls) {
+    EXPECT_EQ(expected_total_calls, web_ui()->call_data().size());
+
+    const content::TestWebUI::CallData& data = *web_ui()->call_data().back();
+    EXPECT_EQ("cr.webUIResponse", data.function_name());
+
+    std::string callback_id;
+    ASSERT_TRUE(data.arg1()->GetAsString(&callback_id));
+    EXPECT_EQ(kCallbackId, callback_id);
+    bool success = false;
+    ASSERT_TRUE(data.arg2()->GetAsBoolean(&success));
+    ASSERT_TRUE(success);
+
+    const base::ListValue* exceptions;
+    ASSERT_TRUE(data.arg3()->GetAsList(&exceptions));
+    EXPECT_EQ(1U, exceptions->GetSize());
+    const base::DictionaryValue* exception;
+    ASSERT_TRUE(exceptions->GetDictionary(0, &exception));
+    std::string origin, embedding_origin, setting, source;
+    ASSERT_TRUE(exception->GetString(site_settings::kOrigin, &origin));
+    ASSERT_EQ(expected_origin, origin);
+    ASSERT_TRUE(exception->GetString(
+        site_settings::kEmbeddingOrigin, &embedding_origin));
+    ASSERT_EQ(expected_embedding, embedding_origin);
+    ASSERT_TRUE(exception->GetString(site_settings::kSetting, &setting));
+    ASSERT_EQ(expected_setting, setting);
+    ASSERT_TRUE(exception->GetString(site_settings::kSource, &source));
+    ASSERT_EQ(expected_source, source);
+  }
+
+  void ValidateNoOrigin(size_t expected_total_calls) {
+    EXPECT_EQ(expected_total_calls, web_ui()->call_data().size());
+
+    const content::TestWebUI::CallData& data = *web_ui()->call_data().back();
+    EXPECT_EQ("cr.webUIResponse", data.function_name());
+
+    std::string callback_id;
+    ASSERT_TRUE(data.arg1()->GetAsString(&callback_id));
+    EXPECT_EQ(kCallbackId, callback_id);
+
+    bool success = false;
+    ASSERT_TRUE(data.arg2()->GetAsBoolean(&success));
+    ASSERT_TRUE(success);
+
+    const base::ListValue* exceptions;
+    ASSERT_TRUE(data.arg3()->GetAsList(&exceptions));
+    EXPECT_EQ(0U, exceptions->GetSize());
+  }
+
+ private:
+  content::TestBrowserThreadBundle thread_bundle_;
+  TestingProfile profile_;
+  content::TestWebUI web_ui_;
+};
+
+TEST_F(SiteSettingsHandlerTest, GetAndSetDefault) {
+  SiteSettingsHandler handler(profile());
+  handler.set_web_ui(web_ui());
+
+  ContentSettingsType type = CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
+
+  // Test the JS -> C++ -> JS callback path for getting and setting defaults.
+  base::ListValue getArgs;
+  getArgs.Append(new base::StringValue(kCallbackId));
+  getArgs.Append(new base::FundamentalValue(type));
+  handler.HandleGetDefaultValueForContentType(&getArgs);
+  ValidateDefault(true, 1U);
+
+  // Set the default to 'Blocked'.
+  base::ListValue setArgs;
+  setArgs.Append(new base::FundamentalValue(type));
+  setArgs.Append(new base::FundamentalValue(CONTENT_SETTING_BLOCK));
+  handler.HandleSetDefaultValueForContentType(&setArgs);
+
+  EXPECT_EQ(2U, web_ui()->call_data().size());
+
+  // Verify that the default has been set to 'Blocked'.
+  handler.HandleGetDefaultValueForContentType(&getArgs);
+  ValidateDefault(false, 3U);
+}
+
+TEST_F(SiteSettingsHandlerTest, Origins) {
+  SiteSettingsHandler handler(profile());
+  handler.set_web_ui(web_ui());
+
+  ContentSettingsType type = CONTENT_SETTINGS_TYPE_NOTIFICATIONS;
+
+  // Test the JS -> C++ -> JS callback path for configuring origins, by setting
+  // Google.com to blocked.
+  base::ListValue setArgs;
+  std::string google("http://www.google.com");
+  setArgs.Append(new base::StringValue(google));  // Primary pattern.
+  setArgs.Append(new base::StringValue(google));  // Secondary pattern.
+  setArgs.Append(new base::FundamentalValue(type));
+  setArgs.Append(new base::FundamentalValue(CONTENT_SETTING_BLOCK));
+  handler.HandleSetCategoryPermissionForOrigin(&setArgs);
+  EXPECT_EQ(1U, web_ui()->call_data().size());
+
+  // Verify the change was successful.
+  base::ListValue listArgs;
+  listArgs.Append(new base::StringValue(kCallbackId));
+  listArgs.Append(new base::FundamentalValue(type));
+  handler.HandleGetExceptionList(&listArgs);
+  ValidateOrigin(google, google, "block", "preference", 2U);
+
+  // Reset things back to how they were.
+  base::ListValue resetArgs;
+  resetArgs.Append(new base::StringValue(google));
+  resetArgs.Append(new base::StringValue(google));
+  resetArgs.Append(new base::FundamentalValue(type));
+  handler.HandleResetCategoryPermissionForOrigin(&resetArgs);
+  EXPECT_EQ(3U, web_ui()->call_data().size());
+
+  // Verify the reset was successful.
+  handler.HandleGetExceptionList(&listArgs);
+  ValidateNoOrigin(4U);
+}
+
+}  // namespace settings