Move the Mac Task Manager to the new backend code.

chrome/browser/task_manager/task_manager_unittest.cc

-// Copyright (c) 2012 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/task_manager/task_manager.h"
-
-#include <string>
-
-#include "base/message_loop/message_loop.h"
-#include "base/strings/utf_string_conversions.h"
-#include "build/build_config.h"
-#include "chrome/browser/task_manager/resource_provider.h"
-#include "chrome/grit/generated_resources.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "ui/base/l10n/l10n_util.h"
-#include "ui/gfx/image/image_skia.h"
-
-using base::ASCIIToUTF16;
-
-namespace {
-
-#if defined(OS_MACOSX)
-// From task_manager.cc:
-// Activity Monitor shows %cpu with one decimal digit -- be
-// consistent with that.
-const char* kZeroCPUUsage = "0.0";
-#else
-const char* kZeroCPUUsage = "0";
-#endif
-
-class TestResource : public task_manager::Resource {
- public:
-  TestResource() : refresh_called_(false) {}
-
-  base::string16 GetTitle() const override {
-    return ASCIIToUTF16("test title");
-  }
-  base::string16 GetProfileName() const override {
-    return ASCIIToUTF16("test profile");
-  }
-  gfx::ImageSkia GetIcon() const override { return gfx::ImageSkia(); }
-  base::ProcessHandle GetProcess() const override {
-    return base::GetCurrentProcessHandle();
-  }
-  int GetUniqueChildProcessId() const override {
-    // In reality the unique child process ID is not the actual process ID,
-    // but for testing purposes it shouldn't make difference.
-    return static_cast<int>(base::GetCurrentProcId());
-  }
-  Type GetType() const override { return RENDERER; }
-  bool SupportNetworkUsage() const override { return false; }
-  void SetSupportNetworkUsage() override { NOTREACHED(); }
-  void Refresh() override { refresh_called_ = true; }
-  bool refresh_called() const { return refresh_called_; }
-  void set_refresh_called(bool refresh_called) {
-    refresh_called_ = refresh_called;
-  }
-
- private:
-  bool refresh_called_;
-};
-
-}  // namespace
-
-class TaskManagerTest : public testing::Test {
-};
-
-TEST_F(TaskManagerTest, Basic) {
-  TaskManager task_manager;
-  TaskManagerModel* model = task_manager.model_.get();
-  EXPECT_EQ(0, model->ResourceCount());
-}
-
-TEST_F(TaskManagerTest, Resources) {
-  TaskManager task_manager;
-  TaskManagerModel* model = task_manager.model_.get();
-
-  TestResource resource1, resource2;
-
-  task_manager.AddResource(&resource1);
-  ASSERT_EQ(1, model->ResourceCount());
-  EXPECT_TRUE(model->IsResourceFirstInGroup(0));
-  EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(0));
-  EXPECT_EQ(ASCIIToUTF16("test profile"), model->GetResourceProfileName(0));
-  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT),
-            model->GetResourceNetworkUsage(0));
-  EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(0));
-
-  task_manager.AddResource(&resource2);  // Will be in the same group.
-  ASSERT_EQ(2, model->ResourceCount());
-  EXPECT_TRUE(model->IsResourceFirstInGroup(0));
-  EXPECT_FALSE(model->IsResourceFirstInGroup(1));
-  EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(1));
-  EXPECT_EQ(ASCIIToUTF16("test profile"), model->GetResourceProfileName(1));
-  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT).c_str(),
-            model->GetResourceNetworkUsage(1));
-  EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(1));
-
-  task_manager.RemoveResource(&resource1);
-  // Now resource2 will be first in group.
-  ASSERT_EQ(1, model->ResourceCount());
-  EXPECT_TRUE(model->IsResourceFirstInGroup(0));
-  EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(0));
-  EXPECT_EQ(ASCIIToUTF16("test profile"), model->GetResourceProfileName(0));
-  EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT),
-            model->GetResourceNetworkUsage(0));
-  EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(0));
-
-  task_manager.RemoveResource(&resource2);
-  EXPECT_EQ(0, model->ResourceCount());
-}
-
-// Tests that the model is calling Refresh() on its resources.
-TEST_F(TaskManagerTest, RefreshCalled) {
-  base::MessageLoop loop;
-  TaskManager task_manager;
-  TaskManagerModel* model = task_manager.model_.get();
-  TestResource resource;
-
-  task_manager.AddResource(&resource);
-  ASSERT_FALSE(resource.refresh_called());
-  model->update_state_ = TaskManagerModel::TASK_PENDING;
-  model->Refresh();
-  ASSERT_TRUE(resource.refresh_called());
-  task_manager.RemoveResource(&resource);
-}