1 // Copyright (c) 2011 The Chromium Authors. All rights reserved. 2 // Use of this source code is governed by a BSD-style license that can be 3 // found in the LICENSE file. 4 5 #include "chrome/browser/task_manager/task_manager.h" 6 7 #include <string> 8 9 #include "base/message_loop.h" 10 #include "base/process_util.h" 11 #include "base/utf_string_conversions.h" 12 #include "grit/chromium_strings.h" 13 #include "grit/generated_resources.h" 14 #include "testing/gtest/include/gtest/gtest.h" 15 #include "third_party/skia/include/core/SkBitmap.h" 16 #include "ui/base/l10n/l10n_util.h" 17 18 namespace { 19 20 #if defined(OS_MACOSX) 21 // From task_manager.cc: 22 // Activity Monitor shows %cpu with one decimal digit -- be 23 // consistent with that. 24 const char* kZeroCPUUsage = "0.0"; 25 #else 26 const char* kZeroCPUUsage = "0"; 27 #endif 28 29 class TestResource : public TaskManager::Resource { 30 public: 31 TestResource() : refresh_called_(false) {} 32 33 virtual string16 GetTitle() const OVERRIDE { 34 return ASCIIToUTF16("test title"); 35 } 36 virtual SkBitmap GetIcon() const { return SkBitmap(); } 37 virtual base::ProcessHandle GetProcess() const { 38 return base::GetCurrentProcessHandle(); 39 } 40 virtual Type GetType() const { return RENDERER; } 41 virtual bool SupportNetworkUsage() const { return false; } 42 virtual void SetSupportNetworkUsage() { NOTREACHED(); } 43 virtual void Refresh() { refresh_called_ = true; } 44 bool refresh_called() const { return refresh_called_; } 45 void set_refresh_called(bool refresh_called) { 46 refresh_called_ = refresh_called; 47 } 48 49 private: 50 bool refresh_called_; 51 }; 52 53 } // namespace 54 55 class TaskManagerTest : public testing::Test { 56 }; 57 58 TEST_F(TaskManagerTest, Basic) { 59 TaskManager task_manager; 60 TaskManagerModel* model = task_manager.model_; 61 EXPECT_EQ(0, model->ResourceCount()); 62 } 63 64 TEST_F(TaskManagerTest, Resources) { 65 TaskManager task_manager; 66 TaskManagerModel* model = task_manager.model_; 67 68 TestResource resource1, resource2; 69 70 task_manager.AddResource(&resource1); 71 ASSERT_EQ(1, model->ResourceCount()); 72 EXPECT_TRUE(model->IsResourceFirstInGroup(0)); 73 EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(0)); 74 EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT), 75 model->GetResourceNetworkUsage(0)); 76 EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(0)); 77 78 task_manager.AddResource(&resource2); // Will be in the same group. 79 ASSERT_EQ(2, model->ResourceCount()); 80 EXPECT_TRUE(model->IsResourceFirstInGroup(0)); 81 EXPECT_FALSE(model->IsResourceFirstInGroup(1)); 82 EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(1)); 83 EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT).c_str(), 84 model->GetResourceNetworkUsage(1)); 85 EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(1)); 86 87 task_manager.RemoveResource(&resource1); 88 // Now resource2 will be first in group. 89 ASSERT_EQ(1, model->ResourceCount()); 90 EXPECT_TRUE(model->IsResourceFirstInGroup(0)); 91 EXPECT_EQ(ASCIIToUTF16("test title"), model->GetResourceTitle(0)); 92 EXPECT_EQ(l10n_util::GetStringUTF16(IDS_TASK_MANAGER_NA_CELL_TEXT), 93 model->GetResourceNetworkUsage(0)); 94 EXPECT_EQ(ASCIIToUTF16(kZeroCPUUsage), model->GetResourceCPUUsage(0)); 95 96 task_manager.RemoveResource(&resource2); 97 EXPECT_EQ(0, model->ResourceCount()); 98 } 99 100 // Tests that the model is calling Refresh() on its resources. 101 TEST_F(TaskManagerTest, RefreshCalled) { 102 MessageLoop loop; 103 TaskManager task_manager; 104 TaskManagerModel* model = task_manager.model_; 105 TestResource resource; 106 107 task_manager.AddResource(&resource); 108 ASSERT_FALSE(resource.refresh_called()); 109 model->update_state_ = TaskManagerModel::TASK_PENDING; 110 model->Refresh(); 111 ASSERT_TRUE(resource.refresh_called()); 112 task_manager.RemoveResource(&resource); 113 } 114
