LeadKit/Tests/TITimerTests/TITimerTests.swift

132 lines
4.1 KiB
Swift

//
// Copyright (c) 2021 Touch Instinct
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the Software), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED AS IS, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
//
import XCTest
@testable import TIFoundationUtils
final class TITimerTests: XCTestCase {
// MARK: - Invalidation
func test_thanDispatchSourceTimerIsInvalidated_whenIsStopped() {
// given
let expectation = expectation(description: "DispatchSourceTimer is invalidated")
let timer = TITimer(type: .dispatchSourceTimer(queue: .main), mode: .onlyActive)
// when
timer.start()
DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
timer.invalidate()
expectation.fulfill()
}
wait(for: [expectation], timeout: 5)
// then
XCTAssertFalse(timer.isRunning)
XCTAssertEqual(timer.elapsedTime, .zero)
}
func test_RunloopTimerIsInvalidated_whenIsStopped() {
// given
let expectation = expectation(description: "RunloopTimer is invalidated")
let timer = TITimer(type: .runloopTimer(runloop: .main, mode: .default), mode: .onlyActive)
// when
timer.start()
DispatchQueue.main.asyncAfter(deadline: .now() + 2) {
timer.invalidate()
expectation.fulfill()
}
wait(for: [expectation], timeout: 5)
// then
XCTAssertFalse(timer.isRunning)
XCTAssertEqual(timer.elapsedTime, .zero)
}
// MARK: - Scheduling
func test_thanIntervalIsCorrect_whenDispatchSourceTimerIsStopped() {
// given
let expectation = expectation(description: "DispatchSourceTimer is invalidated")
let timer = TITimer(type: .dispatchSourceTimer(queue: .main), mode: .onlyActive)
var elapsedTimes: [TimeInterval] = []
timer.eventHandler = { [weak timer] in
elapsedTimes.append($0)
if $0 == 2 {
timer?.invalidate()
expectation.fulfill()
}
}
let start = Date()
// when
timer.start()
wait(for: [expectation], timeout: 5)
// then
let end = Date()
XCTAssertEqual(2, end.timeIntervalSince(start), accuracy: 0.5)
XCTAssertEqual(elapsedTimes, [0, 1, 2])
}
func test_thanIntervalIsCorrect_whenRunloopTimerIsStopped() {
// given
let expectation = expectation(description: "RunloopTimer is invalidated")
let timer = TITimer(type: .runloopTimer(runloop: .current, mode: .default), mode: .onlyActive)
var elapsedTimes: [TimeInterval] = []
timer.eventHandler = { [weak timer] in
elapsedTimes.append($0)
if $0 == 2 {
timer?.invalidate()
expectation.fulfill()
}
}
let start = Date()
// when
timer.start()
wait(for: [expectation], timeout: 5)
// then
let end = Date()
XCTAssertEqual(2, end.timeIntervalSince(start), accuracy: 0.5)
XCTAssertEqual(elapsedTimes, [0, 1, 2])
}
}