chrome/browser/extensions/api/processes/processes_apitest.cc

// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "base/process/process_handle.h"
#include "build/build_config.h"
#include "chrome/browser/extensions/api/processes/processes_api.h"
#include "chrome/browser/extensions/extension_apitest.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/task_manager/task_manager_interface.h"
#include "chrome/common/extensions/api/processes.h"
#include "content/public/test/browser_test.h"
#include "extensions/browser/api_test_utils.h"
#include "extensions/buildflags/buildflags.h"
#include "extensions/common/switches.h"
#include "extensions/test/extension_test_message_listener.h"

static_assert(BUILDFLAG(ENABLE_EXTENSIONS_CORE));

class ProcessesApiTest : public extensions::ExtensionApiTest {
 public:
  ProcessesApiTest() = default;

  ProcessesApiTest(const ProcessesApiTest&) = delete;
  ProcessesApiTest& operator=(const ProcessesApiTest&) = delete;

  ~ProcessesApiTest() override = default;

  int GetListenersCount() {
    return extensions::ProcessesAPI::Get(profile())->
        processes_event_router()->listeners_;
  }
};

// This test is flaky. https://crbug.com/40462635
IN_PROC_BROWSER_TEST_F(ProcessesApiTest, DISABLED_Processes) {
  ASSERT_TRUE(RunExtensionTest("processes/api")) << message_;
}

IN_PROC_BROWSER_TEST_F(ProcessesApiTest, DISABLED_ProcessesApiListeners) {
  EXPECT_EQ(0, GetListenersCount());

  // Load extension that adds a listener in background page
  ExtensionTestMessageListener listener1("ready");
  const extensions::Extension* extension1 = LoadExtension(
      test_data_dir_.AppendASCII("processes").AppendASCII("onupdated"));
  ASSERT_TRUE(extension1);
  ASSERT_TRUE(listener1.WaitUntilSatisfied());

  // The memory refresh type of the task manager may or may not be enabled by
  // now depending on the presence of other task manager observers.
  // Ensure the listeners count has changed.
  EXPECT_EQ(1, GetListenersCount());

  // Load another extension that listen to the onUpdatedWithMemory.
  ExtensionTestMessageListener listener2("ready");
  const extensions::Extension* extension2 = LoadExtension(
      test_data_dir_.AppendASCII("processes").AppendASCII(
          "onupdated_with_memory"));
  ASSERT_TRUE(extension2);
  ASSERT_TRUE(listener2.WaitUntilSatisfied());

  // The memory refresh type must be enabled now.
  const task_manager::TaskManagerInterface* task_manager =
      task_manager::TaskManagerInterface::GetTaskManager();
  EXPECT_EQ(2, GetListenersCount());
  EXPECT_TRUE(task_manager->IsResourceRefreshEnabled(
      task_manager::REFRESH_TYPE_MEMORY_FOOTPRINT));

  // Unload the extensions and make sure the listeners count is updated.
  UnloadExtension(extension2->id());
  EXPECT_EQ(1, GetListenersCount());
  UnloadExtension(extension1->id());
  EXPECT_EQ(0, GetListenersCount());
}

// TODO(crbug.com/500051686): Flaky on desktop Android.
#if BUILDFLAG(IS_ANDROID)
#define MAYBE_OnUpdatedWithMemoryRefreshTypes \
  DISABLED_OnUpdatedWithMemoryRefreshTypes
#else
#define MAYBE_OnUpdatedWithMemoryRefreshTypes OnUpdatedWithMemoryRefreshTypes
#endif
IN_PROC_BROWSER_TEST_F(ProcessesApiTest,
                       MAYBE_OnUpdatedWithMemoryRefreshTypes) {
  EXPECT_EQ(0, GetListenersCount());

  // Load an extension that listen to the onUpdatedWithMemory.
  ExtensionTestMessageListener listener("ready");
  const extensions::Extension* extension =
      LoadExtension(test_data_dir_.AppendASCII("processes")
                        .AppendASCII("onupdated_with_memory"));
  ASSERT_TRUE(extension);
  ASSERT_TRUE(listener.WaitUntilSatisfied());

  // The memory refresh type must be enabled now.
  const task_manager::TaskManagerInterface* task_manager =
      task_manager::TaskManagerInterface::GetTaskManager();
  EXPECT_EQ(1, GetListenersCount());
  extensions::EventRouter* event_router =
      extensions::EventRouter::Get(profile());
  EXPECT_TRUE(event_router->HasEventListener(
      extensions::api::processes::OnUpdatedWithMemory::kEventName));
  EXPECT_FALSE(event_router->HasEventListener(
      extensions::api::processes::OnUpdated::kEventName));
  EXPECT_TRUE(task_manager->IsResourceRefreshEnabled(
      task_manager::REFRESH_TYPE_MEMORY_FOOTPRINT));

  // Despite the fact that there are no onUpdated listeners, refresh types for
  // CPU, Network, SQLite, V8 memory, and webcache stats should be enabled.
  constexpr task_manager::RefreshType kOnUpdatedRefreshTypes[] = {
      task_manager::REFRESH_TYPE_CPU,
      task_manager::REFRESH_TYPE_NETWORK_USAGE,
      task_manager::REFRESH_TYPE_SQLITE_MEMORY,
      task_manager::REFRESH_TYPE_V8_MEMORY,
      task_manager::REFRESH_TYPE_WEBCACHE_STATS,
  };

  for (const auto& type : kOnUpdatedRefreshTypes) {
    EXPECT_TRUE(task_manager->IsResourceRefreshEnabled(type));
  }

  // Unload the extensions and make sure the listeners count is updated.
  UnloadExtension(extension->id());
  EXPECT_EQ(0, GetListenersCount());
}

// This test is flaky on Linux and ChromeOS ASan LSan Tests bot. https://crbug.com/1028778
#if (BUILDFLAG(IS_LINUX) || BUILDFLAG(IS_CHROMEOS)) && \
    defined(ADDRESS_SANITIZER)
#define MAYBE_CannotTerminateBrowserProcess \
  DISABLED_CannotTerminateBrowserProcess
#else
#define MAYBE_CannotTerminateBrowserProcess CannotTerminateBrowserProcess
#endif
IN_PROC_BROWSER_TEST_F(ProcessesApiTest, MAYBE_CannotTerminateBrowserProcess) {
  ASSERT_TRUE(RunExtensionTest("processes/terminate-browser-process"))
      << message_;
}

// Ensures that `GetProcessInfo` works even when memory is the only active
// background task (which prevents `TaskGroup` from triggering the completion
// signal). Regression test for https://crbug.com/474044030.
IN_PROC_BROWSER_TEST_F(ProcessesApiTest, GetProcessInfoWithMemory) {
  scoped_refptr<extensions::ProcessesGetProcessInfoFunction> function =
      base::MakeRefCounted<extensions::ProcessesGetProcessInfoFunction>();

  base::ListValue args;
  base::ListValue process_ids;
  process_ids.Append(base::checked_cast<int>(base::GetCurrentProcId()));
  args.Append(std::move(process_ids));
  args.Append(true);  // includeMemory.

  auto result = extensions::api_test_utils::RunFunctionAndReturnSingleResult(
      function.get(), std::move(args), profile());
  ASSERT_TRUE(result);
}