element-ios/RiotTests/Experiments/PhasedRolloutFeatureTests.s...

56 lines
1.8 KiB
Swift

//
// Copyright 2023 New Vector Ltd
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
import Foundation
import XCTest
@testable import Element
class PhasedRolloutFeatureTests: XCTestCase {
private func randomUserId() -> String {
return "user_" + UUID().uuidString.prefix(6)
}
func test_allDisabled() {
let feature = PhasedRolloutFeature(name: "disabled", targetPercentage: 0)
for _ in 0 ..< 1000 {
let isEnabled = feature.isEnabled(userId: randomUserId())
XCTAssertFalse(isEnabled)
}
}
func test_allEnabled() {
let feature = PhasedRolloutFeature(name: "enabled", targetPercentage: 1)
for _ in 0 ..< 1000 {
let isEnabled = feature.isEnabled(userId: randomUserId())
XCTAssertTrue(isEnabled)
}
}
func test_someEnabled() {
let feature = PhasedRolloutFeature(name: "some", targetPercentage: 0.5)
var statuses = Set<Bool>()
for _ in 0 ..< 1000 {
let isEnabled = feature.isEnabled(userId: randomUserId())
statuses.insert(isEnabled)
}
// We test by checking that we encountered both enabled and disabled cases
XCTAssertTrue(statuses.contains(true))
XCTAssertTrue(statuses.contains(false))
}
}