1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
// RUN: %{swiftc} %s -o %T/Use
// RUN: %T/Use > %t || true
// RUN: %{xctest_checker} %t %s
// REQUIRES: concurrency_runtime
#if os(macOS)
import SwiftXCTest
#else
import XCTest
#endif
actor TestActor {
enum Errors: String, Error {
case example
}
private(set) var counter: Int = 0
func increment() async {
counter += 1
}
func decrement() async {
counter -= 1
}
func alwaysThrows() async throws {
throw TestActor.Errors.example
}
func neverThrows() async throws {}
}
// CHECK: Test Suite 'All tests' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Suite '.*\.xctest' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Suite 'AsyncAwaitTests' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
class AsyncAwaitTests: XCTestCase {
lazy var subject = TestActor()
static let allTests = {
return [
("test_explicitFailures_withinAsyncTests_areReported", asyncTest(test_explicitFailures_withinAsyncTests_areReported)),
("test_asyncAnnotatedFunctionsCanPass", asyncTest(test_asyncAnnotatedFunctionsCanPass)),
("test_actorsAreSupported", asyncTest(test_actorsAreSupported)),
("test_asyncErrors_withinTestMethods_areReported", asyncTest(test_asyncErrors_withinTestMethods_areReported)),
("test_asyncAwaitCalls_withinTeardownBlocks_areSupported", asyncTest(test_asyncAwaitCalls_withinTeardownBlocks_areSupported)),
("test_asyncErrors_withinTeardownBlocks_areReported", asyncTest(test_asyncErrors_withinTeardownBlocks_areReported)),
("test_somethingAsyncWithDelay", asyncTest(test_somethingAsyncWithDelay)),
("test_syncWithinClassWithAsyncTestMethods", test_syncWithinClassWithAsyncTestMethods),
]
}()
override func setUp() async throws {}
override func tearDown() async throws {}
// CHECK: Test Case 'AsyncAwaitTests.test_explicitFailures_withinAsyncTests_areReported' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: .*[/\\]Asynchronous[/\\]Use[/\\]main.swift:[[@LINE+3]]: error: AsyncAwaitTests.test_explicitFailures_withinAsyncTests_areReported : XCTAssertTrue failed -
// CHECK: Test Case 'AsyncAwaitTests.test_explicitFailures_withinAsyncTests_areReported' failed \(\d+\.\d+ seconds\)
func test_explicitFailures_withinAsyncTests_areReported() async throws {
XCTAssert(false)
}
// CHECK: Test Case 'AsyncAwaitTests.test_asyncAnnotatedFunctionsCanPass' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'AsyncAwaitTests.test_asyncAnnotatedFunctionsCanPass' passed \(\d+\.\d+ seconds\)
func test_asyncAnnotatedFunctionsCanPass() async throws {
let value = await makeString()
XCTAssertNotEqual(value, "")
}
// CHECK: Test Case 'AsyncAwaitTests.test_actorsAreSupported' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'AsyncAwaitTests.test_actorsAreSupported' passed \(\d+\.\d+ seconds\)
func test_actorsAreSupported() async throws {
let initialCounterValue = await subject.counter
XCTAssertEqual(initialCounterValue, 0)
await subject.increment()
await subject.increment()
let secondCounterValue = await subject.counter
XCTAssertEqual(secondCounterValue, 2)
await subject.decrement()
let thirdCounterValue = await subject.counter
XCTAssertEqual(thirdCounterValue, 1)
}
// CHECK: Test Case 'AsyncAwaitTests.test_asyncErrors_withinTestMethods_areReported' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \<EXPR\>:0: error: AsyncAwaitTests.test_asyncErrors_withinTestMethods_areReported : threw error "example"
// CHECK: Test Case 'AsyncAwaitTests.test_asyncErrors_withinTestMethods_areReported' failed \(\d+\.\d+ seconds\)
func test_asyncErrors_withinTestMethods_areReported() async throws {
try await subject.alwaysThrows()
}
// CHECK: Test Case 'AsyncAwaitTests.test_asyncAwaitCalls_withinTeardownBlocks_areSupported' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: In teardown block\n
// CHECK: \<EXPR\>:0: error: AsyncAwaitTests.test_asyncAwaitCalls_withinTeardownBlocks_areSupported : threw error "example"
// CHECK: Test Case 'AsyncAwaitTests.test_asyncAwaitCalls_withinTeardownBlocks_areSupported' failed \(\d+\.\d+ seconds\)
func test_asyncAwaitCalls_withinTeardownBlocks_areSupported() async throws {
addTeardownBlock {
print("In teardown block")
try await self.subject.alwaysThrows()
}
}
// CHECK: Test Case 'AsyncAwaitTests.test_asyncErrors_withinTeardownBlocks_areReported' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+\
// CHECK: <EXPR>:0: error: AsyncAwaitTests.test_asyncErrors_withinTeardownBlocks_areReported : threw error "example"\n
// CHECK: Test Case 'AsyncAwaitTests.test_asyncErrors_withinTeardownBlocks_areReported' failed \(\d+\.\d+ seconds\)
func test_asyncErrors_withinTeardownBlocks_areReported() throws {
let issueRecordedExpectation = XCTestExpectation(description: "Asynchronous error recorded in: \(#function)")
addTeardownBlock {
// Use addTeardownBlock here because the `addTeardownBlock` below intentionally throws an error so we can't `wait` after that in the same scope
self.wait(for: [issueRecordedExpectation], timeout: 1)
}
addTeardownBlock {
do {
try await self.subject.alwaysThrows()
} catch {
issueRecordedExpectation.fulfill()
throw error
}
}
}
// CHECK: Test Case 'AsyncAwaitTests.test_somethingAsyncWithDelay' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'AsyncAwaitTests.test_somethingAsyncWithDelay' passed \(\d+\.\d+ seconds\)
func test_somethingAsyncWithDelay() async throws {
try await doSomethingWithDelay()
}
// CHECK: Test Case 'AsyncAwaitTests.test_syncWithinClassWithAsyncTestMethods' started at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: Test Case 'AsyncAwaitTests.test_syncWithinClassWithAsyncTestMethods' passed \(\d+\.\d+ seconds\)
func test_syncWithinClassWithAsyncTestMethods() /* intentionally non-async */ throws {
XCTAssert(Thread.isMainThread, "Expected to be ran on the main thread, but wasn't.")
}
}
private extension AsyncAwaitTests {
func makeString() async -> String {
"""
Some arbitrary text.
Nothing to see here, folx.
"""
}
func doSomethingWithDelay() async throws {
func doSomethingWithDelay(completion: @escaping (Error?) -> Void) {
DispatchQueue.global().asyncAfter(deadline: .now() + .milliseconds(10)) {
completion(nil)
}
}
try await withUnsafeThrowingContinuation { (continuation: UnsafeContinuation<Void, Error>) in
doSomethingWithDelay { error in
if let error = error {
continuation.resume(throwing: error)
} else {
continuation.resume()
}
}
}
}
}
// CHECK: Test Suite 'AsyncAwaitTests' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed 8 tests, with 4 failures \(3 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
// CHECK: Test Suite '.*\.xctest' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed 8 tests, with 4 failures \(3 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
XCTMain([testCase(AsyncAwaitTests.allTests)])
// CHECK: Test Suite 'All tests' failed at \d+-\d+-\d+ \d+:\d+:\d+\.\d+
// CHECK: \t Executed 8 tests, with 4 failures \(3 unexpected\) in \d+\.\d+ \(\d+\.\d+\) seconds
|
