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adopt-swift-testing
SwiftLint/Tests/BuiltInRulesTests/NestingRuleTests.swift
T
Danny Mösch ac2eda6732 Adopt Swift Testing 
# Conflicts:
#	Tests/BuiltInRulesTests/FileHeaderRuleTests.swift
#	Tests/BuiltInRulesTests/FileNameNoSpaceRuleTests.swift
#	Tests/BuiltInRulesTests/IndentationWidthRuleTests.swift
#	Tests/CoreTests/RegexConfigurationTests.swift
#	Tests/CoreTests/SwiftLintFileTests.swift
#	Tests/FileSystemAccessTests/BaselineTests.swift
#	Tests/FileSystemAccessTests/ConfigurationTests+Mock.swift
#	Tests/FileSystemAccessTests/ConfigurationTests.swift
#	Tests/FileSystemAccessTests/GlobTests.swift
#	Tests/FileSystemAccessTests/MultipleConfigurationsTests.swift
#	Tests/FileSystemAccessTests/ReporterTests.swift
#	Tests/FileSystemAccessTests/SourceKitCrashTests.swift
#	Tests/FrameworkTests/CustomRulesTests.swift
#	Tests/FrameworkTests/LinterCacheTests.swift
#	Tests/FrameworkTests/RuleConfigurationTests.swift
#	Tests/FrameworkTests/SwiftVersionTests.swift
#	Tests/GeneratedTests/GeneratedTests_02.swift
#	Tests/GeneratedTests/GeneratedTests_03.swift
#	Tests/GeneratedTests/GeneratedTests_04.swift
#	Tests/GeneratedTests/GeneratedTests_05.swift
#	Tests/GeneratedTests/GeneratedTests_06.swift
#	Tests/GeneratedTests/GeneratedTests_07.swift
#	Tests/GeneratedTests/GeneratedTests_08.swift
#	Tests/GeneratedTests/GeneratedTests_09.swift
#	Tests/GeneratedTests/GeneratedTests_10.swift
#	Tests/IntegrationTests/ConfigPathResolutionTests.swift
#	Tests/IntegrationTests/IntegrationTests.swift
#	Tests/TestHelpers/TestHelpers.swift
2026-06-06 11:07:04 +02:00

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import TestHelpers
import Testing
@testable import SwiftLintBuiltInRules
// swiftlint:disable file_length
private let detectingTypes = ["actor", "class", "struct", "enum"]
@Suite(.rulesRegistered)
struct NestingRuleTests { // swiftlint:disable:this type_body_length
@Test
func nestingWithAlwaysAllowOneTypeInFunctions() { // swiftlint:disable:this function_body_length
var nonTriggeringExamples = NestingRule.description.nonTriggeringExamples
nonTriggeringExamples.append(contentsOf: detectingTypes.flatMap { type -> [Example] in
[
.init("""
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {}
}
}
}
"""),
.init("""
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {
func f_1() {
\(type) Example_3 {}
}
}
}
}
}
"""),
.init("""
func f_0() {
\(type) Example_0 {
\(type) Example_1 {}
}
}
"""),
]
})
nonTriggeringExamples.append(contentsOf: detectingTypes.flatMap { type -> [Example] in
[
.init("""
exampleFunc(closure: {
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {}
}
}
}
func f_0() {
\(type) Example_0 {
func f_1() {
\(type) Example_1 {
func f_2() {
\(type) Example_2 {}
}
}
}
}
}
})
"""),
.init("""
switch example {
case .exampleCase:
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {}
}
}
}
default:
func f_0() {
\(type) Example_0 {
func f_1() {
\(type) Example_1 {
func f_2() {
\(type) Example_2 {}
}
}
}
}
}
}
"""),
]
})
var triggeringExamples = detectingTypes.flatMap { type -> [Example] in
[
.init("""
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {
↓\(type) Example_3 {}
}
}
}
}
"""),
.init("""
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {
func f_1() {
\(type) Example_3 {
↓\(type) Example_4 {}
}
}
}
}
}
}
"""),
.init("""
func f_0() {
\(type) Example_0 {
\(type) Example_1 {
↓\(type) Example_2 {}
}
}
}
"""),
]
}
// swiftlint:disable:next closure_body_length
triggeringExamples.append(contentsOf: detectingTypes.flatMap { type -> [Example] in
[
.init("""
exampleFunc(closure: {
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {
↓\(type) Example_3 {}
}
}
}
}
func f_0() {
\(type) Example_0 {
func f_1() {
\(type) Example_1 {
func f_2() {
\(type) Example_2 {
↓\(type) Example_3 {}
}
}
}
}
}
}
})
"""),
.init("""
switch example {
case .exampleCase:
\(type) Example_0 {
\(type) Example_1 {
func f_0() {
\(type) Example_2 {
↓\(type) Example_3 {}
}
}
}
}
default:
func f_0() {
\(type) Example_0 {
func f_1() {
\(type) Example_1 {
func f_2() {
\(type) Example_2 {
↓\(type) Example_3 {}
}
}
}
}
}
}
}
"""),
]
})
let description = RuleDescription(
identifier: NestingRule.identifier,
name: NestingRule.description.name,
description: NestingRule.description.description,
kind: .metrics,
nonTriggeringExamples: nonTriggeringExamples,
triggeringExamples: triggeringExamples
)
verifyRule(description, ruleConfiguration: ["always_allow_one_type_in_functions": true])
}
@Test
func nestingWithoutCheckNestingInClosuresAndStatements() { // swiftlint:disable:this function_body_length
var nonTriggeringExamples = NestingRule.description.nonTriggeringExamples
// swiftlint:disable:next closure_body_length
nonTriggeringExamples.append(contentsOf: detectingTypes.flatMap { type -> [Example] in
[
.init("""
exampleFunc(closure: {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example_2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
})
"""),
.init("""
switch example {
case .exampleCase:
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
default:
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
.init("""
for i in indicies {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
.init("""
while true {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
.init("""
repeat {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
} while true
"""),
.init("""
if flag {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
.init("""
guard flag else {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
return
}
"""),
.init("""
defer {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
.init("""
do {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
} catch {
\(type) Example_0 {
\(type) Example_1 {
\(type) Example 2 {}
}
}
func f_0() {
func f_1() {
func f_2() {
func f_3() {}
}
}
}
}
"""),
]
})
// swiftlint:disable:next closure_body_length
var triggeringExamples = detectingTypes.flatMap { type -> [Example] in
[
.init("""
\(type) Example_0 {
\(type) Example_1 {
↓\(type) Example_2 {}
}
}
"""),
.init("""
var example: Int {
\(type) Example_0 {
\(type) Example_1 {
↓\(type) Example_2 {}
}
}
return 5
}
"""),
.init("""
var example: Int = 5 {
didSet {
\(type) Example_0 {
\(type) Example_1 {
↓\(type) Example_2 {}
}
}
}
}
"""),
.init("""
extension Example_0 {
\(type) Example_1 {
↓\(type) Example_2 {}
}
}
"""),
.init("""
\(type) Example_0 {
func f_0() {
\(type) Example_1 {
func f_1() {
func f_2() {
↓\(type) Example_2 {}
↓func f_3() {}
}
}
}
}
}
"""),
]
}
triggeringExamples.append(contentsOf: [
.init("""
func f_0() {
func f_1() {
func f_2() {
↓func f_3() {}
}
}
}
"""),
.init("""
var example: Int {
func f_0() {
func f_1() {
func f_2() {
↓func f_3() {}
}
}
}
return 5
}
"""),
.init("""
var example: Int = 5 {
didSet {
func f_0() {
func f_1() {
func f_2() {
↓func f_3() {}
}
}
}
}
}
"""),
.init("""
extension Example_0 {
func f_0() {
func f_1() {
func f_2() {
↓func f_3() {}
}
}
}
}
"""),
])
let description = RuleDescription(
identifier: NestingRule.identifier,
name: NestingRule.description.name,
description: NestingRule.description.description,
kind: .metrics,
nonTriggeringExamples: nonTriggeringExamples,
triggeringExamples: triggeringExamples
)
verifyRule(description, ruleConfiguration: ["check_nesting_in_closures_and_statements": false])
}
@Test
func nestingWithoutTypealiasAndAssociatedtype() {
var nonTriggeringExamples = NestingRule.description.nonTriggeringExamples
nonTriggeringExamples.append(contentsOf: detectingTypes.flatMap { type -> [Example] in
[
.init("""
\(type) Example_0 {
\(type) Example_1 {
typealias Example_2_Type = Example_2.Type
}
\(type) Example_2 {}
}
"""),
.init("""
protocol Example_Protcol {
associatedtype AssociatedType
}
\(type) Example_1 {
\(type) Example_2: Example_Protcol {
typealias AssociatedType = Int
}
}
"""),
.init("""
protocol Example_Protcol {
associatedtype AssociatedType
}
\(type) Example_1 {
\(type) Example_2: SomeProtcol {
typealias Example_2_Type = Example_2.Type
}
\(type) Example_3: Example_Protcol {
typealias AssociatedType = Int
}
}
"""),
]
})
let description = NestingRule.description.with(nonTriggeringExamples: nonTriggeringExamples)
verifyRule(description, ruleConfiguration: ["ignore_typealiases_and_associatedtypes": true])
}
}
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