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//===----------------------------------------------------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2023 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 MigrateToNewIfLetSyntaxTest: XCTestCase {
func testRefactoring() throws {
let baselineSyntax: ExprSyntax = """
if let x = x {}
"""
let expectedSyntax: ExprSyntax = """
if let x {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testIdempotence() throws {
let baselineSyntax: ExprSyntax = """
if let x = x {}
"""
let expectedSyntax: ExprSyntax = """
if let x {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testMultiBinding() throws {
let baselineSyntax: ExprSyntax = """
if let x = x, var y = y, let z = z {}
"""
let expectedSyntax: ExprSyntax = """
if let x, var y, let z {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testMixedBinding() throws {
let baselineSyntax: ExprSyntax = """
if let x = x, var y = x, let z = y.w {}
"""
let expectedSyntax: ExprSyntax = """
if let x, var y = x, let z = y.w {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testConditions() throws {
let baselineSyntax: ExprSyntax = """
if let x = x + 1, x == x, !x {}
"""
let expectedSyntax: ExprSyntax = """
if let x = x + 1, x == x, !x {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testWhitespaceNormalization() throws {
let baselineSyntax: ExprSyntax = """
if let x = x , let y = y {}
"""
let expectedSyntax: ExprSyntax = """
if let x, let y {}
"""
try assertRefactor(baselineSyntax, context: (), provider: MigrateToNewIfLetSyntax.self, expected: expectedSyntax)
}
func testIfStmt() throws {
let baselineSyntax: StmtSyntax = """
if let x = x {}
"""
let expectedSyntax: ExprSyntax = """
if let x {}
"""
let exprStmt = try XCTUnwrap(baselineSyntax.as(ExpressionStmtSyntax.self))
try assertRefactor(
exprStmt.expression,
context: (),
provider: MigrateToNewIfLetSyntax.self,
expected: expectedSyntax
)
}
}
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