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// Copyright 2022 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/ash/os_feedback/os_feedback_screenshot_manager.h"
#include <utility>
#include "base/functional/bind.h"
#include "base/memory/ref_counted.h"
#include "base/memory/ref_counted_memory.h"
#include "base/test/task_environment.h"
#include "base/test/test_future.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
class OsFeedbackScreenshotManagerTest : public ::testing::Test {
public:
OsFeedbackScreenshotManagerTest() = default;
~OsFeedbackScreenshotManagerTest() override = default;
protected:
void SetTestPngData() {
OsFeedbackScreenshotManager::GetInstance()->SetPngDataForTesting(
CreateFakePngData());
}
scoped_refptr<base::RefCountedMemory> CreateFakePngData() {
const unsigned char kData[] = {12, 11, 99};
return base::MakeRefCounted<base::RefCountedBytes>(kData);
}
};
// Test that OsFeedbackScreenshotManager is a Singleton.
TEST_F(OsFeedbackScreenshotManagerTest, Singleton) {
EXPECT_EQ(nullptr, OsFeedbackScreenshotManager::GetIfExists());
auto* manager = OsFeedbackScreenshotManager::GetInstance();
EXPECT_EQ(manager, OsFeedbackScreenshotManager::GetInstance());
EXPECT_EQ(manager, OsFeedbackScreenshotManager::GetIfExists());
}
// Test that DeleteScreenshotData removes the screenshot data.
TEST_F(OsFeedbackScreenshotManagerTest, DeleteScreenshotData) {
auto* manager = OsFeedbackScreenshotManager::GetInstance();
SetTestPngData();
EXPECT_NE(nullptr, manager->GetScreenshotData());
manager->DeleteScreenshotData();
EXPECT_EQ(nullptr, manager->GetScreenshotData());
}
// Test that TakeScreenshot will skip if a screenshot exists already.
TEST_F(OsFeedbackScreenshotManagerTest, DoNotTakeScreenshotIfExists) {
base::test::SingleThreadTaskEnvironment task_environment;
base::test::TestFuture<bool> future;
auto* manager = OsFeedbackScreenshotManager::GetInstance();
SetTestPngData();
EXPECT_NE(nullptr, manager->GetScreenshotData());
EXPECT_EQ(3u, manager->GetScreenshotData()->size());
manager->TakeScreenshot(future.GetCallback());
EXPECT_FALSE(future.Get());
EXPECT_EQ(3u, manager->GetScreenshotData()->size());
}
// Test that TakeScreenshot will skip if there is not a window/display.
TEST_F(OsFeedbackScreenshotManagerTest, DoNotTakeScreenshotIfNoWindow) {
base::test::SingleThreadTaskEnvironment task_environment;
base::test::TestFuture<bool> future;
auto* manager = OsFeedbackScreenshotManager::GetInstance();
manager->TakeScreenshot(future.GetCallback());
EXPECT_FALSE(future.Get());
}
} // namespace ash
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