Introduce a new API to handle native notification clicks

chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm

Index: chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm
diff --git a/chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm b/chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm
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+++ b/chrome/browser/notifications/notification_platform_bridge_mac_unittest.mm
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+// 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.
+
+#import <AppKit/AppKit.h>
+
+#include "base/mac/scoped_nsobject.h"
+#include "chrome/browser/notifications/notification_platform_bridge_mac.h"
+#include "chrome/browser/ui/cocoa/notifications/notification_builder_mac.h"
+#include "chrome/browser/ui/cocoa/notifications/notification_constants_mac.h"
+#include "chrome/browser/ui/cocoa/notifications/notification_response_builder_mac.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+NSMutableDictionary* BuildDefaultNotificationResponse() {
+  base::scoped_nsobject<NotificationBuilder> builder(
+      [[NotificationBuilder alloc] init]);
+  [builder setTitle:@"Title"];
+  [builder setSubTitle:@"https://www.miguel.com"];
+  [builder setContextMessage:@""];
+  [builder setButtons:@"Button1" secondaryButton:@"Button2"];
+  [builder setTag:@"tag1"];
+  [builder setIcon:[NSImage imageNamed:@"NSApplicationIcon"]];
+  [builder setNotificationId:@"notificationId"];
+  [builder setProfileId:@"profileId"];
+  [builder setIncognito:false];
+  [builder setNotificationType:[NSNumber numberWithInt:0]];
+
+  NSUserNotification* notification = [builder buildUserNotification];
+  return [NSMutableDictionary
+      dictionaryWithDictionary:[NotificationResponseBuilder
+                                   buildDictionary:notification]];
+}
+}  // namespace
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationValidResponse) {
+  NSDictionary* response = BuildDefaultNotificationResponse();
+  EXPECT_TRUE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationUnknownType) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response setValue:[NSNumber numberWithInt:210581]
+              forKey:notification_constants::kNotificationType];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationUnknownOperation) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response setValue:[NSNumber numberWithInt:40782]
+              forKey:notification_constants::kNotificationOperation];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationNoProfileId) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response removeObjectForKey:notification_constants::kNotificationProfileId];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationNoNotificationId) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response setValue:@"" forKey:notification_constants::kNotificationId];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}
+
+TEST(NotificationPlatformBridgeMacTest, TestNotificationInvalidButton) {
+  NSMutableDictionary* response = BuildDefaultNotificationResponse();
+  [response setValue:[NSNumber numberWithInt:-5]
+              forKey:notification_constants::kNotificationButtonIndex];
+  EXPECT_FALSE(NotificationPlatformBridgeMac::VerifyNotificationData(response));
+}