SwiftLint/Tests/SwiftLintFrameworkTests/CompilerProtocolInitRuleTes...

42 lines
1.4 KiB
Swift

@testable import SwiftLintFramework
import XCTest
class CompilerProtocolInitRuleTests: XCTestCase {
private let ruleID = CompilerProtocolInitRule.description.identifier
func testWithDefaultConfiguration() {
verifyRule(CompilerProtocolInitRule.description)
}
func testViolationMessageForExpressibleByIntegerLiteral() throws {
let config = try XCTUnwrap(makeConfig(nil, ruleID))
let allViolations = violations(Example("let a = NSNumber(integerLiteral: 1)"), config: config)
let compilerProtocolInitViolation = allViolations.first { $0.ruleIdentifier == ruleID }
let violation = try XCTUnwrap(
compilerProtocolInitViolation,
"A compiler protocol init violation should have been triggered!"
)
XCTAssertEqual(
violation.reason,
"The initializers declared in compiler protocol ExpressibleByIntegerLiteral shouldn't be called directly."
)
}
}
// https://bugs.swift.org/browse/SR-11501
#if SWIFT_PACKAGE && os(macOS) && compiler(<5.2)
private enum UnwrapError: Error {
case missingValue
}
private func XCTUnwrap<T>(_ expression: @autoclosure () throws -> T?,
_ message: @autoclosure () -> String = "") throws -> T {
if let value = try expression() {
return value
} else {
throw UnwrapError.missingValue
}
}
#endif