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// Copyright (c) 2010 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.h"
#include "base/process_util.h"
#include "base/utf_string_conversions.h"
#include "grit/chromium_strings.h"
#include "grit/generated_resources.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "ui/base/l10n/l10n_util.h"
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 TaskManager::Resource {
public:
TestResource() : refresh_called_(false) {}
virtual std::wstring GetTitle() const { return L"test title"; }
virtual SkBitmap GetIcon() const { return SkBitmap(); }
virtual base::ProcessHandle GetProcess() const {
return base::GetCurrentProcessHandle();
}
virtual Type GetType() const { return RENDERER; }
virtual bool SupportNetworkUsage() const { return false; }
virtual void SetSupportNetworkUsage() { NOTREACHED(); }
virtual void Refresh() { 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_;
EXPECT_EQ(0, model->ResourceCount());
}
TEST_F(TaskManagerTest, Resources) {
TaskManager task_manager;
TaskManagerModel* model = task_manager.model_;
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(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(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(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) {
MessageLoop loop;
TaskManager task_manager;
TaskManagerModel* model = task_manager.model_;
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);
}
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