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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 MacroExamplesImplementation
import SwiftSyntaxMacros
import SwiftSyntaxMacrosTestSupport
import XCTest
final class WrapStoredPropertiesMacroTests: XCTestCase {
private let macros = ["wrapStoredProperties": WrapStoredPropertiesMacro.self]
func testExpansionAddsPublished() {
assertMacroExpansion(
"""
@wrapStoredProperties("Published")
struct Test {
var value: Int
}
""",
expandedSource: """
struct Test {
@Published
var value: Int
}
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionAddsDeprecationAttribute() {
assertMacroExpansion(
"""
@wrapStoredProperties(#"available(*, deprecated, message: "hands off my data")"#)
struct Test {
var value: Int
}
""",
expandedSource: """
struct Test {
@available(*, deprecated, message: "hands off my data")
var value: Int
}
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionIgnoresComputedProperty() {
assertMacroExpansion(
"""
@wrapStoredProperties("Published")
struct Test {
var value: Int {
get { return 0 }
set {}
}
}
""",
expandedSource: """
struct Test {
var value: Int {
get { return 0 }
set {}
}
}
""",
macros: macros,
indentationWidth: .spaces(2)
)
}
func testExpansionWithInvalidAttributeEmitsError() {
assertMacroExpansion(
"""
@wrapStoredProperties(12)
struct Test {
var value: Int
}
""",
expandedSource: """
struct Test {
var value: Int
}
""",
diagnostics: [
DiagnosticSpec(
message: "macro requires a string literal containing the name of an attribute",
line: 1,
column: 1,
severity: .error
)
],
macros: macros,
indentationWidth: .spaces(2)
)
}
}
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