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// Copyright 2015 The Chromium Authors
// 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/providers/child_process_task.h"
#include <stdint.h>
#include "base/memory/raw_ptr.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "chrome/browser/task_manager/providers/child_process_task_provider.h"
#include "chrome/browser/task_manager/task_manager_observer.h"
#include "chrome/grit/generated_resources.h"
#include "components/nacl/common/nacl_process_type.h"
#include "content/public/browser/child_process_data.h"
#include "content/public/common/process_type.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_utils.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/l10n/l10n_util.h"
using content::ChildProcessData;
namespace task_manager {
namespace {
// Will be used to test the translation from |content::ProcessType| to
// |task_manager::Task::Type|.
struct ProcessTypeTaskTypePair {
int process_type_;
Task::Type expected_task_type_;
} process_task_types_pairs[] = {
{ content::PROCESS_TYPE_PPAPI_PLUGIN, Task::PLUGIN },
{ content::PROCESS_TYPE_PPAPI_BROKER, Task::PLUGIN },
{ content::PROCESS_TYPE_UTILITY, Task::UTILITY },
{ content::PROCESS_TYPE_ZYGOTE, Task::ZYGOTE },
{ content::PROCESS_TYPE_SANDBOX_HELPER, Task::SANDBOX_HELPER },
{ content::PROCESS_TYPE_GPU, Task::GPU },
{ PROCESS_TYPE_NACL_LOADER, Task::NACL },
{ PROCESS_TYPE_NACL_BROKER, Task::NACL },
};
} // namespace
// Defines a test for the child process task provider and the child process
// tasks themselves.
class ChildProcessTaskTest
: public testing::Test,
public TaskProviderObserver {
public:
ChildProcessTaskTest() = default;
ChildProcessTaskTest(const ChildProcessTaskTest&) = delete;
ChildProcessTaskTest& operator=(const ChildProcessTaskTest&) = delete;
~ChildProcessTaskTest() override = default;
// task_manager::TaskProviderObserver:
void TaskAdded(Task* task) override {
DCHECK(task);
if (provided_tasks_.find(task->process_handle()) != provided_tasks_.end())
FAIL() << "ChildProcessTaskProvider must never provide duplicate tasks";
provided_tasks_[task->process_handle()] = task;
}
void TaskRemoved(Task* task) override {
DCHECK(task);
provided_tasks_.erase(task->process_handle());
}
bool AreProviderContainersEmpty(
const ChildProcessTaskProvider& provider) const {
return provider.tasks_by_processid_.empty() &&
provider.tasks_by_child_id_.empty();
}
protected:
std::map<base::ProcessHandle, raw_ptr<Task, CtnExperimental>> provided_tasks_;
private:
content::BrowserTaskEnvironment task_environment_;
};
// Performs a basic test.
TEST_F(ChildProcessTaskTest, BasicTest) {
ChildProcessTaskProvider provider;
EXPECT_TRUE(provided_tasks_.empty());
provider.SetObserver(this);
content::RunAllPendingInMessageLoop();
ASSERT_TRUE(provided_tasks_.empty()) <<
"unit tests don't have any browser child processes";
provider.ClearObserver();
EXPECT_TRUE(provided_tasks_.empty());
EXPECT_TRUE(AreProviderContainersEmpty(provider));
}
// Tests everything related to child process task providing.
TEST_F(ChildProcessTaskTest, TestAll) {
ChildProcessTaskProvider provider;
EXPECT_TRUE(provided_tasks_.empty());
provider.SetObserver(this);
content::RunAllPendingInMessageLoop();
ASSERT_TRUE(provided_tasks_.empty());
// The following process which has handle = base::kNullProcessHandle, won't be
// added.
ChildProcessData data1(0, content::ChildProcessId());
ASSERT_FALSE(data1.GetProcess().IsValid());
provider.BrowserChildProcessLaunchedAndConnected(data1);
EXPECT_TRUE(provided_tasks_.empty());
const content::ChildProcessId unique_id(245);
const std::u16string name(u"Test Task");
const std::u16string expected_name(
l10n_util::GetStringFUTF16(IDS_TASK_MANAGER_PLUGIN_PREFIX, name));
ChildProcessData data2(content::PROCESS_TYPE_PPAPI_PLUGIN, unique_id);
data2.SetProcess(base::Process::Current());
data2.name = name;
provider.BrowserChildProcessLaunchedAndConnected(data2);
ASSERT_EQ(1U, provided_tasks_.size());
Task* task = provided_tasks_.begin()->second;
// Process handles may not match, but process IDs must:
EXPECT_EQ(base::GetCurrentProcId(), base::GetProcId(task->process_handle()));
EXPECT_EQ(base::GetCurrentProcId(), task->process_id());
EXPECT_EQ(expected_name, task->title());
EXPECT_EQ(Task::PLUGIN, task->GetType());
// TODO(crbug.com/379869738): Remove GetUnsafeValue() usage.
EXPECT_EQ(unique_id.GetUnsafeValue(), task->GetChildProcessUniqueID());
EXPECT_EQ(std::u16string(), task->GetProfileName());
EXPECT_FALSE(task->ReportsSqliteMemory());
EXPECT_FALSE(task->ReportsWebCacheStats());
// Make sure that indexing by child_id works properly.
// TODO(crbug.com/379869738): Remove GetUnsafeValue() usage.
ASSERT_EQ(task, provider.GetTaskOfUrlRequest(unique_id.GetUnsafeValue(), 0));
ASSERT_EQ(task, provider.GetTaskOfUrlRequest(unique_id.GetUnsafeValue(), 1));
const int64_t bytes_read = 1024;
task->OnNetworkBytesRead(bytes_read);
task->Refresh(base::Seconds(1), REFRESH_TYPE_NETWORK_USAGE);
EXPECT_EQ(bytes_read, task->GetNetworkUsageRate());
// Clearing the observer won't notify us of any tasks removals even though
// tasks will be actually deleted.
provider.ClearObserver();
EXPECT_FALSE(provided_tasks_.empty());
EXPECT_TRUE(AreProviderContainersEmpty(provider));
}
// Tests the translation of |content::ProcessType| to
// |task_manager::Task::Type|.
TEST_F(ChildProcessTaskTest, ProcessTypeToTaskType) {
ChildProcessTaskProvider provider;
EXPECT_TRUE(provided_tasks_.empty());
provider.SetObserver(this);
content::RunAllPendingInMessageLoop();
ASSERT_TRUE(provided_tasks_.empty());
for (const auto& types_pair : process_task_types_pairs) {
// Add the task.
ChildProcessData data(types_pair.process_type_, content::ChildProcessId());
data.SetProcess(base::Process::Current());
provider.BrowserChildProcessLaunchedAndConnected(data);
ASSERT_EQ(1U, provided_tasks_.size());
Task* task = provided_tasks_.begin()->second;
EXPECT_EQ(base::GetCurrentProcId(),
base::GetProcId(task->process_handle()));
EXPECT_EQ(types_pair.expected_task_type_, task->GetType());
// Remove the task.
provider.BrowserChildProcessHostDisconnected(data);
EXPECT_TRUE(provided_tasks_.empty());
}
provider.ClearObserver();
EXPECT_TRUE(AreProviderContainersEmpty(provider));
}
} // namespace task_manager
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