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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 "components/feature_engagement/internal/never_availability_model.h"
#include <optional>
#include "base/feature_list.h"
#include "base/functional/bind.h"
#include "base/run_loop.h"
#include "base/test/task_environment.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace feature_engagement {
namespace {
BASE_FEATURE(kAvailabilityTestFeatureFoo,
"test_foo",
base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kAvailabilityTestFeatureBar,
"test_bar",
base::FEATURE_DISABLED_BY_DEFAULT);
class NeverAvailabilityModelTest : public ::testing::Test {
public:
NeverAvailabilityModelTest()
: availability_model_(std::make_unique<NeverAvailabilityModel>()) {}
NeverAvailabilityModelTest(const NeverAvailabilityModelTest&) = delete;
NeverAvailabilityModelTest& operator=(const NeverAvailabilityModelTest&) =
delete;
void OnInitializedCallback(bool success) { success_ = success; }
protected:
std::unique_ptr<NeverAvailabilityModel> availability_model_;
std::optional<bool> success_;
private:
base::test::SingleThreadTaskEnvironment task_environment_;
};
} // namespace
TEST_F(NeverAvailabilityModelTest, ShouldNeverHaveData) {
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kAvailabilityTestFeatureFoo));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kAvailabilityTestFeatureBar));
availability_model_->Initialize(
base::BindOnce(&NeverAvailabilityModelTest::OnInitializedCallback,
base::Unretained(this)),
14u);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kAvailabilityTestFeatureFoo));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kAvailabilityTestFeatureBar));
}
TEST_F(NeverAvailabilityModelTest, ShouldBeReadyAfterInitialization) {
EXPECT_FALSE(availability_model_->IsReady());
availability_model_->Initialize(
base::BindOnce(&NeverAvailabilityModelTest::OnInitializedCallback,
base::Unretained(this)),
14u);
EXPECT_FALSE(availability_model_->IsReady());
EXPECT_FALSE(success_.has_value());
base::RunLoop().RunUntilIdle();
EXPECT_TRUE(availability_model_->IsReady());
ASSERT_TRUE(success_.has_value());
EXPECT_TRUE(success_.value());
}
TEST_F(NeverAvailabilityModelTest, DestroyedBeforeInitialization) {
EXPECT_FALSE(availability_model_->IsReady());
// Initialize performs asynchronous tasks that are posted to the task queue.
// However the class may be torn down before they have a chance to complete.
availability_model_->Initialize(
base::BindOnce(&NeverAvailabilityModelTest::OnInitializedCallback,
base::Unretained(this)),
14u);
availability_model_.reset();
base::RunLoop().RunUntilIdle();
ASSERT_FALSE(success_.has_value());
}
} // namespace feature_engagement
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