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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "extensions/browser/api/audio/audio_device_id_calculator.h"
#include <memory>
#include "components/prefs/testing_pref_service.h"
#include "content/public/test/browser_task_environment.h"
#include "content/public/test/test_browser_context.h"
#include "extensions/browser/api/audio/audio_api.h"
#include "extensions/browser/test_extensions_browser_client.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace extensions {
namespace {
class TestExtensionsBrowserClientWithPrefService
: public TestExtensionsBrowserClient {
public:
explicit TestExtensionsBrowserClientWithPrefService(
content::BrowserContext* main_context)
: TestExtensionsBrowserClient(main_context) {}
TestExtensionsBrowserClientWithPrefService(
const TestExtensionsBrowserClientWithPrefService&) = delete;
TestExtensionsBrowserClientWithPrefService& operator=(
const TestExtensionsBrowserClientWithPrefService&) = delete;
~TestExtensionsBrowserClientWithPrefService() override = default;
// ExtensionsBrowserClient override:
PrefService* GetPrefServiceForContext(
content::BrowserContext* context) override {
return &pref_service_;
}
TestingPrefServiceSimple* pref_service() { return &pref_service_; }
private:
TestingPrefServiceSimple pref_service_;
};
class AudioDeviceIdCalculatorTest : public testing::Test {
public:
AudioDeviceIdCalculatorTest() : test_browser_client_(&browser_context_) {}
AudioDeviceIdCalculatorTest(const AudioDeviceIdCalculatorTest&) = delete;
AudioDeviceIdCalculatorTest& operator=(const AudioDeviceIdCalculatorTest&) =
delete;
~AudioDeviceIdCalculatorTest() override = default;
void SetUp() override {
AudioAPI::RegisterUserPrefs(
test_browser_client_.pref_service()->registry());
ExtensionsBrowserClient::Set(&test_browser_client_);
}
void TearDown() override { ExtensionsBrowserClient::Set(nullptr); }
content::BrowserContext* browser_context() { return &browser_context_; }
private:
content::BrowserTaskEnvironment task_environment_;
content::TestBrowserContext browser_context_;
TestExtensionsBrowserClientWithPrefService test_browser_client_;
};
} // namespace
TEST_F(AudioDeviceIdCalculatorTest, Test) {
std::unique_ptr<AudioDeviceIdCalculator> calculator(
new AudioDeviceIdCalculator(browser_context()));
// Generating new IDs.
EXPECT_EQ("0", calculator->GetStableDeviceId(12345));
EXPECT_EQ("1", calculator->GetStableDeviceId(54321));
EXPECT_EQ("2", calculator->GetStableDeviceId(11111));
// Test getting IDs generated so far.
EXPECT_EQ("1", calculator->GetStableDeviceId(54321));
EXPECT_EQ("0", calculator->GetStableDeviceId(12345));
EXPECT_EQ("2", calculator->GetStableDeviceId(11111));
// Reset the calculator and test adding stable IDs does not produce ID
// conflicting with previously added ones.
calculator = std::make_unique<AudioDeviceIdCalculator>(browser_context());
EXPECT_EQ("3", calculator->GetStableDeviceId(22222));
EXPECT_EQ("4", calculator->GetStableDeviceId(33333));
// Test that ID mapping from before calculator reset is not lost.
EXPECT_EQ("1", calculator->GetStableDeviceId(54321));
EXPECT_EQ("2", calculator->GetStableDeviceId(11111));
EXPECT_EQ("0", calculator->GetStableDeviceId(12345));
}
} // namespace extensions
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