SwiftLint/Tests/SwiftLintFrameworkTests/FunctionParameterCountRuleT...

46 lines
1.7 KiB
Swift

@testable import SwiftLintFramework
private func funcWithParameters(_ parameters: String,
violates: Bool = false,
file: StaticString = #file,
line: UInt = #line) -> Example {
let marker = violates ? "" : ""
return Example("func \(marker)abc(\(parameters)) {}\n", file: file, line: line)
}
class FunctionParameterCountRuleTests: SwiftLintTestCase {
func testFunctionParameterCount() {
let baseDescription = FunctionParameterCountRule.description
let nonTriggeringExamples = [
funcWithParameters(repeatElement("x: Int, ", count: 3).joined() + "x: Int")
]
let triggeringExamples = [
funcWithParameters(repeatElement("x: Int, ", count: 5).joined() + "x: Int")
]
let description = baseDescription.with(nonTriggeringExamples: nonTriggeringExamples)
.with(triggeringExamples: triggeringExamples)
verifyRule(description)
}
func testDefaultFunctionParameterCount() {
let baseDescription = FunctionParameterCountRule.description
let nonTriggeringExamples = [
funcWithParameters(repeatElement("x: Int, ", count: 3).joined() + "x: Int")
]
let defaultParams = repeatElement("x: Int = 0, ", count: 2).joined() + "x: Int = 0"
let triggeringExamples = [
funcWithParameters(repeatElement("x: Int, ", count: 3).joined() + defaultParams)
]
let description = baseDescription.with(nonTriggeringExamples: nonTriggeringExamples)
.with(triggeringExamples: triggeringExamples)
verifyRule(description, ruleConfiguration: ["ignores_default_parameters": false])
}
}