Upstream the Media Router's Issue class.

chrome/browser/media/router/issue_manager_unittest.cc

+// Copyright 2015 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 <string>
+#include <vector>
+
+#include "chrome/browser/media/router/issue_manager.h"
+#include "testing/gmock/include/gmock/gmock.h"
+
+namespace media_router {
+namespace {
+
+const char kTestRouteId[] = "routeId";
+
+Issue CreateTestIssue(const std::string& route_id) {
+  return Issue("title", "message", IssueAction(IssueAction::OK),
+               std::vector<IssueAction>(), route_id, Issue::WARNING, false,
+               "http://www.example.com/help");
+}
+
+class IssueManagerUnitTest : public ::testing::Test {
+ protected:
+  IssueManagerUnitTest() {}
+  ~IssueManagerUnitTest() override {}
+
+  IssueManager manager_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IssueManagerUnitTest);
+};
+
+TEST_F(IssueManagerUnitTest, InitializeManager) {
+  // Before anything is done to the manager, it should hold no issues.
+  EXPECT_EQ(0u, manager_.GetIssueCount());
+}
+
+TEST_F(IssueManagerUnitTest, AddIssue) {
+  Issue issue = CreateTestIssue(kTestRouteId);
+
+  // Add initial issue.
+  manager_.AddIssue(issue);
+  EXPECT_EQ(1u, manager_.GetIssueCount());
+
+  // Attempt to add the same issue. Duplicates should not be inserted.
+  manager_.AddIssue(issue);
+  EXPECT_EQ(1u, manager_.GetIssueCount());
+}
+
+TEST_F(IssueManagerUnitTest, ClearIssue) {
+  Issue issue = CreateTestIssue(kTestRouteId);
+
+  // Remove an issue that doesn't exist.
+  manager_.ClearIssue("id");
+
+  // Add initial issue.
+  manager_.AddIssue(issue);
+  EXPECT_EQ(1u, manager_.GetIssueCount());
+
+  // Remove the only issue.
+  manager_.ClearIssue(issue.id());
+  EXPECT_EQ(0u, manager_.GetIssueCount());
+
+  // Remove an issue that doesn't exist.
+  manager_.ClearIssue("id");
+  EXPECT_EQ(0u, manager_.GetIssueCount());
+}
+
+TEST_F(IssueManagerUnitTest, ClearAllIssues) {
+  // Add ten issues.
+  for (int i = 0; i < 10; i++) {
+    manager_.AddIssue(CreateTestIssue(kTestRouteId));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(10u, manager_.GetIssueCount());
+
+  // Remove all the issues.
+  manager_.ClearAllIssues();
+  EXPECT_EQ(0u, manager_.GetIssueCount());
+}
+
+TEST_F(IssueManagerUnitTest, ClearGlobalIssues) {
+  // Add ten non-global issues.
+  for (int i = 0; i < 10; i++) {
+    manager_.AddIssue(CreateTestIssue(kTestRouteId));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(10u, manager_.GetIssueCount());
+
+  // Add five global issues.
+  for (int i = 0; i < 5; i++) {
+    manager_.AddIssue(CreateTestIssue(""));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(15u, manager_.GetIssueCount());
+
+  // Remove all the global issues.
+  manager_.ClearGlobalIssues();
+  EXPECT_EQ(10u, manager_.GetIssueCount());
+}
+
+TEST_F(IssueManagerUnitTest, ClearIssuesWithRouteId) {
+  const std::string route_id_one = "route_id1";
+  const std::string route_id_two = "route_id2";
+
+  // Add ten issues with the same route.
+  for (int i = 0; i < 10; i++) {
+    manager_.AddIssue(CreateTestIssue(route_id_one));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(10u, manager_.GetIssueCount());
+
+  // Add ten issues with a different route.
+  for (int i = 0; i < 10; i++) {
+    manager_.AddIssue(CreateTestIssue(route_id_two));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(20u, manager_.GetIssueCount());
+
+  // Add ten global issues.
+  for (int i = 0; i < 10; i++) {
+    manager_.AddIssue(CreateTestIssue(""));
+  }
+
+  // Check that the issues were added.
+  EXPECT_EQ(30u, manager_.GetIssueCount());
+
+  // Remove all routes with route_id_one.
+  manager_.ClearIssuesWithRouteId(route_id_one);
+  EXPECT_EQ(20u, manager_.GetIssueCount());
+
+  // Remove all routes with route_id_two.
+  manager_.ClearIssuesWithRouteId(route_id_two);
+  EXPECT_EQ(10u, manager_.GetIssueCount());
+}
+
+}  // namespace
+}  // namespace media_router