SwiftLint/Tests/SwiftLintFrameworkTests/TrailingClosureRuleTests.swift

@testable import SwiftLintBuiltInRules

final class TrailingClosureRuleTests: SwiftLintTestCase {
    func testWithOnlySingleMutedParameterEnabled() {
        let originalDescription = TrailingClosureRule.description
        let description = originalDescription
            .with(nonTriggeringExamples: originalDescription.nonTriggeringExamples + [
                Example("foo.reduce(0, combine: { $0 + 1 })"),
                Example("offsets.sorted(by: { $0.offset < $1.offset })"),
                Example("foo.something(0, { $0 + 1 })")
            ])
            .with(triggeringExamples: [Example("foo.map(↓{ $0 + 1 })")])
            .with(corrections: [
                Example("foo.map(↓{ $0 + 1 })"):
                    Example("foo.map { $0 + 1 }"),
                Example("f(↓{ g(↓{ 1 }) })"):
                    Example("f { g { 1 }}"),
                Example("""
                    for n in list {
                        n.forEach(↓{ print($0) })
                    }
                    """): Example("""
                        for n in list {
                            n.forEach { print($0) }
                        }
                        """)
            ])

        verifyRule(description, ruleConfiguration: ["only_single_muted_parameter": true])
    }
}