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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/storage_monitor/storage_monitor.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/strings/utf_string_conversions.h"
#include "base/synchronization/waitable_event.h"
#include "base/test/task_environment.h"
#include "components/storage_monitor/mock_removable_storage_observer.h"
#include "components/storage_monitor/test_storage_monitor.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace {
void SetLatch(bool* called) {
*called = true;
}
} // namespace
namespace storage_monitor {
TEST(StorageMonitorTest, TestInitialize) {
base::test::SingleThreadTaskEnvironment task_environment;
TestStorageMonitor::Destroy();
TestStorageMonitor monitor;
EXPECT_FALSE(monitor.init_called());
bool initialized = false;
monitor.EnsureInitialized(base::BindOnce(&SetLatch, &initialized));
EXPECT_TRUE(monitor.init_called());
EXPECT_FALSE(initialized);
monitor.MarkInitialized();
EXPECT_TRUE(initialized);
}
TEST(StorageMonitorTest, DeviceAttachDetachNotifications) {
TestStorageMonitor::Destroy();
base::test::SingleThreadTaskEnvironment task_environment;
const std::string kDeviceId1 = "dcim:UUID:FFF0-0001";
const std::string kDeviceId2 = "dcim:UUID:FFF0-0002";
MockRemovableStorageObserver observer1;
MockRemovableStorageObserver observer2;
TestStorageMonitor monitor;
monitor.AddObserver(&observer1);
monitor.AddObserver(&observer2);
StorageInfo info(kDeviceId1, FILE_PATH_LITERAL("path"), std::u16string(),
std::u16string(), std::u16string(), 0);
monitor.receiver()->ProcessAttach(info);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(kDeviceId1, observer1.last_attached().device_id());
EXPECT_EQ(FILE_PATH_LITERAL("path"), observer1.last_attached().location());
EXPECT_EQ(kDeviceId1, observer2.last_attached().device_id());
EXPECT_EQ(FILE_PATH_LITERAL("path"), observer2.last_attached().location());
EXPECT_EQ(1, observer1.attach_calls());
EXPECT_EQ(0, observer1.detach_calls());
monitor.receiver()->ProcessDetach(kDeviceId1);
monitor.receiver()->ProcessDetach(kDeviceId2);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(kDeviceId1, observer1.last_detached().device_id());
EXPECT_EQ(FILE_PATH_LITERAL("path"), observer1.last_detached().location());
EXPECT_EQ(kDeviceId1, observer2.last_detached().device_id());
EXPECT_EQ(FILE_PATH_LITERAL("path"), observer2.last_detached().location());
EXPECT_EQ(1, observer1.attach_calls());
EXPECT_EQ(1, observer2.attach_calls());
// The kDeviceId2 won't be notified since it was never attached.
EXPECT_EQ(1, observer1.detach_calls());
EXPECT_EQ(1, observer2.detach_calls());
monitor.RemoveObserver(&observer1);
monitor.RemoveObserver(&observer2);
}
TEST(StorageMonitorTest, GetAllAvailableStoragesEmpty) {
TestStorageMonitor::Destroy();
base::test::SingleThreadTaskEnvironment task_environment;
TestStorageMonitor monitor;
std::vector<StorageInfo> devices = monitor.GetAllAvailableStorages();
EXPECT_EQ(0U, devices.size());
}
TEST(StorageMonitorTest, GetAllAvailableStorageAttachDetach) {
TestStorageMonitor::Destroy();
base::test::SingleThreadTaskEnvironment task_environment;
TestStorageMonitor monitor;
const std::string kDeviceId1 = "dcim:UUID:FFF0-0042";
const base::FilePath kDevicePath1(FILE_PATH_LITERAL("/testfoo"));
StorageInfo info1(kDeviceId1, kDevicePath1.value(), std::u16string(),
std::u16string(), std::u16string(), 0);
monitor.receiver()->ProcessAttach(info1);
base::RunLoop().RunUntilIdle();
std::vector<StorageInfo> devices = monitor.GetAllAvailableStorages();
ASSERT_EQ(1U, devices.size());
EXPECT_EQ(kDeviceId1, devices[0].device_id());
EXPECT_EQ(kDevicePath1.value(), devices[0].location());
const std::string kDeviceId2 = "dcim:UUID:FFF0-0044";
const base::FilePath kDevicePath2(FILE_PATH_LITERAL("/testbar"));
StorageInfo info2(kDeviceId2, kDevicePath2.value(), std::u16string(),
std::u16string(), std::u16string(), 0);
monitor.receiver()->ProcessAttach(info2);
base::RunLoop().RunUntilIdle();
devices = monitor.GetAllAvailableStorages();
ASSERT_EQ(2U, devices.size());
EXPECT_EQ(kDeviceId1, devices[0].device_id());
EXPECT_EQ(kDevicePath1.value(), devices[0].location());
EXPECT_EQ(kDeviceId2, devices[1].device_id());
EXPECT_EQ(kDevicePath2.value(), devices[1].location());
monitor.receiver()->ProcessDetach(kDeviceId1);
base::RunLoop().RunUntilIdle();
devices = monitor.GetAllAvailableStorages();
ASSERT_EQ(1U, devices.size());
EXPECT_EQ(kDeviceId2, devices[0].device_id());
EXPECT_EQ(kDevicePath2.value(), devices[0].location());
monitor.receiver()->ProcessDetach(kDeviceId2);
base::RunLoop().RunUntilIdle();
devices = monitor.GetAllAvailableStorages();
EXPECT_EQ(0U, devices.size());
}
} // namespace storage_monitor
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