Define PushMessagingApplicationId and replace ad-hoc code.

content/browser/push_messaging_application_id_unittest.cc

+// Copyright 2014 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 "content/public/browser/push_messaging_application_id.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace content {
+
+TEST(PushMessagingApplicationIdTest, ConstructorValidity) {
+  EXPECT_TRUE(PushMessagingApplicationId(GURL("https://www.example.com/"), 1)
+                  .is_valid());
+  EXPECT_TRUE(PushMessagingApplicationId(GURL("https://www.example.com"), 1)
+                  .is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId(GURL(""), 1).is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId(GURL("foo"), 1).is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId(GURL("https://www.example.com/foo"),
+                                          1).is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId(GURL("https://www.example.com/#foo"),
+                                          1).is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId(GURL("https://www.example.com/"), -1)
+                   .is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId().is_valid());
+}
+
+TEST(PushMessagingApplicationIdTest, ToString) {
+  EXPECT_EQ(PushMessagingApplicationId(GURL("https://www.example.com/"), 1)
+                .ToString(),
+            "push#https://www.example.com/#1");
+  EXPECT_EQ(
+      PushMessagingApplicationId(GURL("https://www.example.com"), 1).ToString(),
+      "push#https://www.example.com/#1");
+}
+
+TEST(PushMessagingApplicationIdTest, ParseValidity) {
+  EXPECT_TRUE(PushMessagingApplicationId::Parse(
+                  "push#https://www.example.com/#1").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse("").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse(
+                   "sync#https://www.example.com/#1").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse("push#foo#1").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse(
+                   "push#https://www.example.com/foo#1").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse(
+                   "push#https://www.example.com/#one").is_valid());
+  EXPECT_FALSE(PushMessagingApplicationId::Parse(
+                   "push#https://www.example.com/#foo#1").is_valid());

[johnme, 2014/07/23 12:36:57]

Nit: maybe change this to "push#https://www.example.com/#1#1" (or add a separate
test for that)?

[Michael van Ouwerkerk, 2014/07/23 15:05:14]

Done.

+  EXPECT_FALSE(PushMessagingApplicationId::Parse(
+                   "push#https://www.example.com/#-1").is_valid());
+}
+
+}  // namespace content