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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/availability_model_impl.h"
#include <memory>
#include <optional>
#include <utility>
#include "base/functional/bind.h"
#include "base/functional/callback.h"
#include "components/feature_engagement/internal/persistent_availability_store.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace feature_engagement {
namespace {
BASE_FEATURE(kTestFeatureFoo, "test_foo", base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kTestFeatureBar, "test_bar", base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kTestFeatureQux, "test_qux", base::FEATURE_DISABLED_BY_DEFAULT);
BASE_FEATURE(kTestFeatureNop, "test_nop", base::FEATURE_DISABLED_BY_DEFAULT);
class AvailabilityModelImplTest : public testing::Test {
public:
AvailabilityModelImplTest() {
initialized_callback_ = base::BindOnce(
&AvailabilityModelImplTest::OnInitialized, base::Unretained(this));
}
AvailabilityModelImplTest(const AvailabilityModelImplTest&) = delete;
AvailabilityModelImplTest& operator=(const AvailabilityModelImplTest&) =
delete;
~AvailabilityModelImplTest() override = default;
// SetUpModel exists so that the filter can be changed for any test.
void SetUpModel(
bool success,
std::unique_ptr<std::map<std::string, uint32_t>> store_content) {
auto store_loader = base::BindOnce(&AvailabilityModelImplTest::StoreLoader,
base::Unretained(this), success,
std::move(store_content));
availability_model_ =
std::make_unique<AvailabilityModelImpl>(std::move(store_loader));
}
void OnInitialized(bool success) { success_ = success; }
void StoreLoader(
bool success,
std::unique_ptr<std::map<std::string, uint32_t>> store_content,
PersistentAvailabilityStore::OnLoadedCallback callback,
uint32_t current_day) {
current_day_ = current_day;
std::move(callback).Run(success, std::move(store_content));
}
protected:
std::unique_ptr<AvailabilityModelImpl> availability_model_;
AvailabilityModel::OnInitializedCallback initialized_callback_;
std::optional<bool> success_;
std::optional<uint32_t> current_day_;
};
} // namespace
TEST_F(AvailabilityModelImplTest, InitializationSuccess) {
SetUpModel(true, std::make_unique<std::map<std::string, uint32_t>>());
EXPECT_FALSE(availability_model_->IsReady());
availability_model_->Initialize(std::move(initialized_callback_), 14u);
EXPECT_TRUE(availability_model_->IsReady());
EXPECT_TRUE(success_.has_value());
EXPECT_TRUE(success_.value());
EXPECT_EQ(14u, current_day_);
}
TEST_F(AvailabilityModelImplTest, InitializationFailed) {
SetUpModel(false, std::make_unique<std::map<std::string, uint32_t>>());
EXPECT_FALSE(availability_model_->IsReady());
availability_model_->Initialize(std::move(initialized_callback_), 14u);
EXPECT_FALSE(availability_model_->IsReady());
EXPECT_TRUE(success_.has_value());
EXPECT_FALSE(success_.value());
EXPECT_EQ(14u, current_day_);
}
TEST_F(AvailabilityModelImplTest, SuccessfullyLoadThreeFeatures) {
auto availabilities = std::make_unique<std::map<std::string, uint32_t>>();
availabilities->insert(std::make_pair(kTestFeatureFoo.name, 100u));
availabilities->insert(std::make_pair(kTestFeatureBar.name, 200u));
availabilities->insert(std::make_pair(kTestFeatureNop.name, 300u));
SetUpModel(true, std::move(availabilities));
availability_model_->Initialize(std::move(initialized_callback_), 14u);
EXPECT_TRUE(availability_model_->IsReady());
EXPECT_EQ(100u, availability_model_->GetAvailability(kTestFeatureFoo));
EXPECT_EQ(200u, availability_model_->GetAvailability(kTestFeatureBar));
EXPECT_EQ(300u, availability_model_->GetAvailability(kTestFeatureNop));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kTestFeatureQux));
}
TEST_F(AvailabilityModelImplTest, FailToLoadThreeFeatures) {
auto availabilities = std::make_unique<std::map<std::string, uint32_t>>();
availabilities->insert(std::make_pair(kTestFeatureFoo.name, 100u));
availabilities->insert(std::make_pair(kTestFeatureBar.name, 200u));
availabilities->insert(std::make_pair(kTestFeatureNop.name, 300u));
SetUpModel(false, std::move(availabilities));
availability_model_->Initialize(std::move(initialized_callback_), 14u);
EXPECT_FALSE(availability_model_->IsReady());
// Load failed, so all results should be ignored.
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kTestFeatureFoo));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kTestFeatureBar));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kTestFeatureNop));
EXPECT_EQ(std::nullopt,
availability_model_->GetAvailability(kTestFeatureQux));
}
} // namespace feature_engagement
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