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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2024 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 the list of Swift project authors
//
//===----------------------------------------------------------------------===//
import SwiftRefactor
import SwiftSyntax
import SwiftSyntaxBuilder
import XCTest
import _SwiftSyntaxTestSupport
final class ConvertZeroParameterFunctionToComputedPropertyTests: XCTestCase {
func testRefactoringFunctionToComputedProperty() throws {
let baseline: DeclSyntax = """
func asJSON() -> String { "" }
"""
let expected: DeclSyntax = """
var asJSON: String { "" }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithVoidType() throws {
let baseline: DeclSyntax = """
func asJSON() { () }
"""
let expected: DeclSyntax = """
var asJSON: Void { () }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithTuple() throws {
let baseline: DeclSyntax = """
func asJSON() -> (String, String) { ("", "") }
"""
let expected: DeclSyntax = """
var asJSON: (String, String) { ("", "") }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithClosure() throws {
let baseline: DeclSyntax = """
func asJSON() -> () -> Void { {} }
"""
let expected: DeclSyntax = """
var asJSON: () -> Void { {} }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithModifiers() throws {
let baseline: DeclSyntax = """
static func asJSON() -> String { "" }
"""
let expected: DeclSyntax = """
static var asJSON: String { "" }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithModifiersAndIndentations() throws {
let baseline: DeclSyntax = """
static func asJSON() -> String { "" }
"""
let expected: DeclSyntax = """
static var asJSON: String { "" }
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithModifiersAndComments() throws {
let baseline: DeclSyntax = """
static func asJSON() -> String { // comment
/*comment*/ "" /*comment*/
} // comment
"""
let expected: DeclSyntax = """
static var asJSON: String { // comment
/*comment*/ "" /*comment*/
} // comment
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithReturnStms() throws {
let baseline: DeclSyntax = """
static func asJSON() -> String {
return ""
}
"""
let expected: DeclSyntax = """
static var asJSON: String {
return ""
}
"""
try assertRefactorConvert(baseline, expected: expected)
}
func testRefactoringFunctionToComputedPropertyWithMultipleStms() throws {
let baseline: DeclSyntax = """
static func asJSON() -> String {
let builder = JSONBuilder()
return builder.convert()
}
"""
let expected: DeclSyntax = """
static var asJSON: String {
let builder = JSONBuilder()
return builder.convert()
}
"""
try assertRefactorConvert(baseline, expected: expected)
}
}
fileprivate func assertRefactorConvert(
_ callDecl: DeclSyntax,
expected: DeclSyntax?,
file: StaticString = #filePath,
line: UInt = #line
) throws {
try assertRefactor(
callDecl,
context: (),
provider: ConvertZeroParameterFunctionToComputedProperty.self,
expected: expected,
file: file,
line: line
)
}
|
