Author fast and reliable tests for Xcode Cloud

3:37 - setUp()

override func setUp() async throws {

}

3:46 - setUp() example

var truck: Truck!

override func setUp() async throws {
    let directoryURL = FileManager.default.temporaryDirectory
    let fileName = UUID().uuidString
    let fileURL = directoryURL.appendingPathComponent(fileName, isDirectory: false)
    let data = await mockDonutMenuData()
    try data.write(to: fileURL)
    truck = Truck(menuURL: fileURL)
}

5:55 - Environment variable example

var truck: Truck!

func testOrderDonut() throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]

    let expectation = XCTestExpectation(description: "Order donut")
    truck.order(with: .sprinkles, host: host) { error, donut in
        XCTAssertTrue(donut.hasSprinkles)
        expectation.fulfill()
    }       
    wait(for: [expectation], timeout: 5)
}

6:00 - XCTSkip example

var truck: Truck!

func testOrderDonut() throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let expectation = XCTestExpectation(description: "Order donut")
    truck.order(with: .sprinkles, host: host) { error, donut in
        XCTAssertTrue(donut.hasSprinkles)
        expectation.fulfill()
    }       
    wait(for: [expectation], timeout: 5)
}

8:18 - XCTSkip example

var truck: Truck!

func testOrderDonut() throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let expectation = XCTestExpectation(description: "Order donut")
    truck.order(with: .sprinkles, host: host) { error, donut in
        XCTAssertTrue(donut.hasSprinkles)
        expectation.fulfill()
    }       
    wait(for: [expectation], timeout: 5)
}

8:48 - XCTestExpectation example

var truck: Truck!

func testOrderDonut() throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let expectation = XCTestExpectation(description: "Order donut")
    truck.order(with: .sprinkles, host: host) { error, donut in
        XCTAssertTrue(donut.hasSprinkles)
        expectation.fulfill()
    }       
    wait(for: [expectation], timeout: 5)
}

8:59 - Increase XCTestExpectation example

var truck: Truck!

func testOrderDonut() throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let expectation = XCTestExpectation(description: "Order donut")
    truck.order(with: .sprinkles, host: host) { error, donut in
        XCTAssertTrue(donut.hasSprinkles)
        expectation.fulfill()
    }       
    wait(for: [expectation], timeout: 10)
}

9:16 - Async/await example

var truck: Truck!

func testOrderDonut() async throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let donut = try await truck.orderDonut(with: .sprinkles, host: host)
    XCTAssertTrue(donut.hasSprinkles)
}

10:02 - XCTExpectFailure example

var truck: Truck!

func testOrderDonut() async throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    let donut = try await truck.orderDonut(with: .sprinkles, host: host)
    XCTAssertTrue(donut.hasSprinkles)
}

10:06 - XCTExpectFailure example

var truck: Truck!

func testOrderDonut() async throws {
    let host = ProcessInfo.processInfo.environment["BASE_URL"]
    try XCTSkipIf(host == "prod.example.com")

    XCTExpectFailure("<https://dev.myco.com/bug/98> Donut ordering service is down")
    let donut = try await truck.orderDonut(with: .sprinkles, host: host)
    XCTAssertTrue(donut.hasSprinkles)
}