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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2023 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for Swift project authors
//
@testable @_spi(Experimental) @_spi(ForToolsIntegrationOnly) import Testing
@Suite("Confirmation Tests")
struct ConfirmationTests {
@Test("Successful confirmations")
func successfulConfirmations() async {
await confirmation("Issue recorded", expectedCount: 0) { issueRecorded in
var configuration = Configuration()
configuration.eventHandler = { event, _ in
if case .issueRecorded = event.kind {
issueRecorded()
}
}
let testPlan = await Runner.Plan(selecting: SuccessfulConfirmationTests.self)
let runner = Runner(plan: testPlan, configuration: configuration)
await runner.run()
}
}
@Test("Unsuccessful confirmations")
func unsuccessfulConfirmations() async {
await confirmation("Miscount recorded", expectedCount: 7) { miscountRecorded in
var configuration = Configuration()
configuration.eventHandler = { event, _ in
if case let .issueRecorded(issue) = event.kind {
switch issue.kind {
case .confirmationMiscounted:
miscountRecorded()
default:
break
}
}
}
let testPlan = await Runner.Plan(selecting: UnsuccessfulConfirmationTests.self)
let runner = Runner(plan: testPlan, configuration: configuration)
await runner.run()
}
}
@Test func confirmationFailureCanBeDescribed() async {
var configuration = Configuration()
configuration.eventHandler = { event, _ in
if case let .issueRecorded(issue) = event.kind {
#expect(String(describing: issue).contains("time(s)"))
}
}
await Test {
await confirmation(expectedCount: 1...) { _ in }
await confirmation(expectedCount: 1...2) { _ in }
await confirmation(expectedCount: 1..<3) { _ in }
}.run(configuration: configuration)
}
@Test func confirmationFailureCanBeDescribedAsSingleValue() async {
var configuration = Configuration()
configuration.eventHandler = { event, _ in
if case let .issueRecorded(issue) = event.kind {
#expect(!String(describing: issue).contains("time(s)"))
}
}
await Test {
await confirmation(expectedCount: 1...1) { _ in }
await confirmation(expectedCount: 1..<2) { _ in }
await confirmation(expectedCount: Int.max...Int.max) { _ in }
#if !SWT_NO_EXIT_TESTS
await withKnownIssue("Crashes in Swift standard library (rdar://139568287)") {
await #expect(exitsWith: .success) {
await confirmation(expectedCount: Int.max...) { _ in }
}
}
#endif
}.run(configuration: configuration)
}
#if !SWT_NO_EXIT_TESTS
@Test("Confirmation requires positive count")
func positiveCount() async {
await #expect(exitsWith: .failure) {
await confirmation { $0.confirm(count: 0) }
}
await #expect(exitsWith: .failure) {
await confirmation { $0.confirm(count: -1) }
}
}
#endif
@Test("Main actor isolation")
@MainActor
func mainActorIsolated() async {
await confirmation { $0() }
}
}
// MARK: - Fixtures
@Suite(.hidden)
struct SuccessfulConfirmationTests {
@Test(.hidden)
func basicConfirmation() async {
await confirmation { (thingHappened) async in
thingHappened()
}
}
@Test(.hidden)
func confirmed0Times() async {
await confirmation(expectedCount: 0) { (_) async in }
}
@Test(.hidden)
func confirmed3Times() async {
await confirmation(expectedCount: 3) { (thingHappened) async in
thingHappened(count: 3)
}
}
}
@Suite(.hidden)
struct UnsuccessfulConfirmationTests {
@Test(.hidden)
func basicConfirmation() async {
await confirmation { (_) async in }
}
@Test(.hidden)
func confirmedTooFewTimes() async {
await confirmation(expectedCount: 3) { (thingHappened) async in
thingHappened(count: 2)
}
}
@Test(.hidden)
func confirmedTooManyTimes() async {
await confirmation(expectedCount: 3) { (thingHappened) async in
thingHappened(count: 10)
}
}
@Test(.hidden, arguments: [
1 ... 2 as any ExpectedCount,
1 ..< 2,
1 ..< 3,
999...,
])
func confirmedOutOfRange(_ range: any ExpectedCount) async {
await confirmation(expectedCount: range) { (thingHappened) async in
thingHappened(count: 3)
}
}
}
// MARK: -
/// Needed since we don't have generic test functions, so we need a concrete
/// argument type for `confirmedOutOfRange(_:)`, but we can't write
/// `any RangeExpression<Int> & Sendable`. ([96960993](rdar://96960993))
protocol ExpectedCount: RangeExpression, Sequence, Sendable where Bound == Int, Element == Int {}
extension ClosedRange<Int>: ExpectedCount {}
extension PartialRangeFrom<Int>: ExpectedCount {}
extension Range<Int>: ExpectedCount {}
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