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// 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_browsertest_util.h"
#include "base/message_loop/message_loop.h"
#include "base/run_loop.h"
#include "base/strings/string16.h"
#include "base/strings/string_util.h"
#include "base/strings/utf_string_conversions.h"
#include "base/test/test_timeouts.h"
#include "base/timer/timer.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/task_manager/resource_provider.h"
#include "chrome/browser/task_manager/task_manager.h"
#include "grit/generated_resources.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/l10n/l10n_util.h"
namespace task_manager {
namespace browsertest_util {
namespace {
class ResourceChangeObserver : public TaskManagerModelObserver {
public:
ResourceChangeObserver(const TaskManagerModel* model,
int required_count,
const base::string16& title_pattern)
: model_(model),
required_count_(required_count),
title_pattern_(title_pattern) {}
virtual void OnModelChanged() OVERRIDE {
OnResourceChange();
}
virtual void OnItemsChanged(int start, int length) OVERRIDE {
OnResourceChange();
}
virtual void OnItemsAdded(int start, int length) OVERRIDE {
OnResourceChange();
}
virtual void OnItemsRemoved(int start, int length) OVERRIDE {
OnResourceChange();
}
void RunUntilSatisfied() {
// See if the condition is satisfied without having to run the loop. This
// check has to be placed after the installation of the
// TaskManagerModelObserver, because resources may change before that.
if (IsSatisfied())
return;
timer_.Start(FROM_HERE,
TestTimeouts::action_timeout(),
this,
&ResourceChangeObserver::OnTimeout);
run_loop_.Run();
// If we succeeded normally (no timeout), check our post condition again
// before returning control to the test. If it is no longer satisfied, the
// test is likely flaky: we were waiting for a state that was only achieved
// emphemerally), so treat this as a failure.
if (!IsSatisfied() && timer_.IsRunning()) {
FAIL() << "Wait condition satisfied only emphemerally. Likely test "
<< "problem. Maybe wait instead for the state below?\n"
<< DumpTaskManagerModel();
}
timer_.Stop();
}
private:
void OnResourceChange() {
if (!IsSatisfied())
return;
base::MessageLoop::current()->PostTask(FROM_HERE, run_loop_.QuitClosure());
}
bool IsSatisfied() { return CountMatches() == required_count_; }
int CountMatches() {
int match_count = 0;
for (int i = 0; i < model_->ResourceCount(); i++) {
task_manager::Resource::Type type = model_->GetResourceType(i);
// Skip system infrastructure resources.
if (type == task_manager::Resource::BROWSER ||
type == task_manager::Resource::NACL ||
type == task_manager::Resource::GPU ||
type == task_manager::Resource::UTILITY ||
type == task_manager::Resource::ZYGOTE ||
type == task_manager::Resource::SANDBOX_HELPER) {
continue;
}
if (MatchPattern(model_->GetResourceTitle(i), title_pattern_)) {
match_count++;
}
}
return match_count;
}
void OnTimeout() {
base::MessageLoop::current()->PostTask(FROM_HERE, run_loop_.QuitClosure());
FAIL() << "Timed out.\n" << DumpTaskManagerModel();
}
testing::Message DumpTaskManagerModel() {
testing::Message task_manager_state_dump;
task_manager_state_dump << "Waiting for exactly " << required_count_
<< " matches of wildcard pattern \""
<< base::UTF16ToASCII(title_pattern_) << "\"\n";
task_manager_state_dump << "Currently there are " << CountMatches()
<< " matches.\n";
task_manager_state_dump << "Current Task Manager Model is:\n";
for (int i = 0; i < model_->ResourceCount(); i++) {
task_manager_state_dump
<< " > " << base::UTF16ToASCII(model_->GetResourceTitle(i)) << "\n";
}
return task_manager_state_dump;
}
const TaskManagerModel* model_;
const int required_count_;
const base::string16 title_pattern_;
base::RunLoop run_loop_;
base::OneShotTimer<ResourceChangeObserver> timer_;
};
} // namespace
void WaitForTaskManagerRows(int required_count,
const base::string16& title_pattern) {
TaskManagerModel* model = TaskManager::GetInstance()->model();
ResourceChangeObserver observer(model, required_count, title_pattern);
model->AddObserver(&observer);
observer.RunUntilSatisfied();
model->RemoveObserver(&observer);
}
base::string16 MatchTab(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_TAB_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyTab() { return MatchTab("*"); }
base::string16 MatchAboutBlankTab() { return MatchTab("about:blank"); }
base::string16 MatchExtension(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_EXTENSION_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyExtension() { return MatchExtension("*"); }
base::string16 MatchApp(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_APP_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyApp() { return MatchApp("*"); }
base::string16 MatchWebView(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_WEBVIEW_TAG_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyWebView() { return MatchWebView("*"); }
base::string16 MatchBackground(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_BACKGROUND_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyBackground() { return MatchBackground("*"); }
base::string16 MatchPrint(const char* title) {
return l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_PRINT_PREFIX,
base::ASCIIToUTF16(title));
}
base::string16 MatchAnyPrint() { return MatchPrint("*"); }
} // namespace browsertest_util
} // namespace task_manager
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