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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("Test.Case Selection Tests")
struct TestCaseSelectionTests {
@Test("Multiple arguments passed to one parameter, selecting one case")
func oneParameterSelectingOneCase() async throws {
let fixtureTest = Test(arguments: ["a", "b"], parameters: [Test.Parameter(index: 0, firstName: "value", type: String.self)]) { value in
#expect(value == "a")
}
let firstTestCase = try #require(fixtureTest.testCases?.first { _ in true })
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
testCase.id == firstTestCase.id
}
await confirmation { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
await fixtureTest.run(configuration: configuration)
}
}
@Test("Multiple arguments passed to one parameter, selecting a subset of cases")
func oneParameterSelectingMultipleCases() async throws {
let fixtureTest = Test(arguments: ["a", "b", "c"], parameters: [Test.Parameter(index: 0, firstName: "value", type: String.self)]) { value in
#expect(value != "b")
}
let testCases = Array(try #require(fixtureTest.testCases))
let firstTestCaseID = try #require(testCases.first?.id)
let lastTestCaseID = try #require(testCases.last?.id)
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
Set<Test.Case.ID>([
firstTestCaseID,
lastTestCaseID
]).contains(testCase.id)
}
await confirmation(expectedCount: 2) { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
let runner = await Runner(testing: [fixtureTest], configuration: configuration)
await runner.run()
}
}
@Test("Two collections, each with multiple arguments, passed to two parameters, selecting one case")
func twoParametersSelectingOneCase() async throws {
let fixtureTest = Test(
arguments: ["a", "b"], [1, 2],
parameters: [
Test.Parameter(index: 0, firstName: "stringValue", type: String.self),
Test.Parameter(index: 1, firstName: "intValue", type: Int.self),
]
) { stringValue, intValue in
#expect(stringValue == "b" && intValue == 2)
}
let selectedTestCase = try #require(fixtureTest.testCases?.first { testCase in
guard let firstArg = testCase.arguments.first?.value as? String,
let secondArg = testCase.arguments.last?.value as? Int
else {
return false
}
return firstArg == "b" && secondArg == 2
})
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
testCase.id == selectedTestCase.id
}
await confirmation { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
await fixtureTest.run(configuration: configuration)
}
}
@Test("Multiple arguments conforming to CustomTestArgumentEncodable, passed to one parameter, selecting one case")
func oneParameterAcceptingCustomTestArgumentSelectingOneCase() async throws {
let fixtureTest = Test(arguments: [
MyCustomTestArgument(x: 1, y: "a"),
MyCustomTestArgument(x: 2, y: "b"),
], parameters: [Test.Parameter(index: 0, firstName: "value", type: MyCustomTestArgument.self)]) { arg in
#expect(arg.x == 1 && arg.y == "a")
}
let firstTestCase = try #require(fixtureTest.testCases?.first { _ in true })
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
testCase.id == firstTestCase.id
}
await confirmation { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
await fixtureTest.run(configuration: configuration)
}
}
@Test("Multiple arguments conforming to Identifiable, passed to one parameter, selecting one case")
func oneParameterAcceptingIdentifiableArgumentSelectingOneCase() async throws {
let fixtureTest = Test(arguments: [
MyCustomIdentifiableArgument(id: "a"),
MyCustomIdentifiableArgument(id: "b"),
], parameters: [Test.Parameter(index: 0, firstName: "value", type: MyCustomIdentifiableArgument.self)]) { arg in
#expect(arg.id == "a")
}
let selectedTestCase = try #require(fixtureTest.testCases?.first { _ in true })
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
testCase.id == selectedTestCase.id
}
await confirmation { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
await fixtureTest.run(configuration: configuration)
}
}
@Test("Multiple arguments conforming to RawRepresentable, passed to one parameter, selecting one case")
func oneParameterAcceptingRawRepresentableArgumentSelectingOneCase() async throws {
let fixtureTest = Test(arguments: [
MyCustomRawRepresentableArgument(rawValue: "a"),
MyCustomRawRepresentableArgument(rawValue: "b"),
], parameters: [Test.Parameter(index: 0, firstName: "value", type: MyCustomRawRepresentableArgument.self)]) { arg in
#expect(arg.rawValue == "a")
}
let selectedTestCase = try #require(fixtureTest.testCases?.first { _ in true })
var configuration = Configuration()
configuration.testCaseFilter = { testCase, _ in
testCase.id == selectedTestCase.id
}
await confirmation { testStarted in
configuration.eventHandler = { event, context in
if case .testCaseStarted = event.kind {
testStarted()
}
if case let .issueRecorded(issue) = event.kind {
Issue.record("Unexpected issue: \(issue)")
}
}
await fixtureTest.run(configuration: configuration)
}
}
}
// MARK: - Fixture parameter types
private struct MyCustomTestArgument: CustomTestArgumentEncodable, Equatable {
var x: Int
var y: String
private enum CodingKeys: CodingKey {
case x, y
}
func encodeTestArgument(to encoder: some Encoder) throws {
var container = encoder.container(keyedBy: CodingKeys.self)
try container.encode(x, forKey: .x)
try container.encode(y, forKey: .y)
}
}
private struct MyCustomIdentifiableArgument: Identifiable, CustomStringConvertible {
var id: String
var description: String {
fatalError("Should not be called")
}
}
private struct MyCustomRawRepresentableArgument: RawRepresentable {
var rawValue: String
}
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