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//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 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 Swift project authors
//
import Testing
@testable import TestingMacros
import SwiftDiagnostics
import SwiftOperators
import SwiftParser
import SwiftSyntax
import SwiftSyntaxBuilder
import SwiftSyntaxMacros
import SwiftSyntaxMacroExpansion
@Suite("Unique Identifier Tests")
struct UniqueIdentifierTests {
func makeUniqueName(_ functionDeclString: String) throws -> String {
let decl = "\(raw: functionDeclString)" as DeclSyntax
let functionDecl = try #require(decl.as(FunctionDeclSyntax.self))
return BasicMacroExpansionContext().makeUniqueName(thunking: functionDecl).text
}
@Test("Thunk identifiers do not contain backticks")
func noBackticks() throws {
let uniqueName = try makeUniqueName("func `someDistinctFunctionName`() async throws")
#expect(!uniqueName.contains("`"))
}
@Test("Thunk identifiers do not contain arbitrary Unicode")
func noArbitraryUnicode() throws {
let uniqueName = try makeUniqueName("func someDistinctFunction🌮Name🐔() async throws")
#expect(!uniqueName.contains("🌮"))
#expect(!uniqueName.contains("🐔"))
}
@Test("Argument types influence generated identifiers")
func argumentTypes() throws {
let uniqueNameWithInt = try makeUniqueName("func someDistinctFunctionName(i: Int) async throws")
let uniqueNameWithUInt = try makeUniqueName("func someDistinctFunctionName(i: UInt) async throws")
#expect(uniqueNameWithInt != uniqueNameWithUInt)
}
@Test("Effects influence generated identifiers")
func effects() throws {
let uniqueName = try makeUniqueName("func someDistinctFunctionName()")
let uniqueNameAsync = try makeUniqueName("func someDistinctFunctionName() async")
let uniqueNameThrows = try makeUniqueName("func someDistinctFunctionName() throws")
let uniqueNameAsyncThrows = try makeUniqueName("func someDistinctFunctionName() async throws")
#expect(uniqueName != uniqueNameAsync)
#expect(uniqueName != uniqueNameThrows)
#expect(uniqueName != uniqueNameAsyncThrows)
#expect(uniqueNameThrows != uniqueNameAsync)
#expect(uniqueNameThrows != uniqueNameAsyncThrows)
#expect(uniqueNameAsync != uniqueNameAsyncThrows)
}
@Test("Unicode characters influence generated identifiers")
func unicode() throws {
let uniqueName1 = try makeUniqueName("func A(🙃: Int)")
let uniqueName2 = try makeUniqueName("func A(🙂: Int)")
let uniqueName3 = try makeUniqueName("func A(i: Int)")
#expect(uniqueName1 != uniqueName2)
#expect(uniqueName1 != uniqueName3)
#expect(uniqueName2 != uniqueName3)
}
@Test("Body does not influence generated identifiers")
func body() throws {
let uniqueName1 = try makeUniqueName("func f() { abc() }")
let uniqueName2 = try makeUniqueName("func f() { def() }")
#expect(uniqueName1 == uniqueName2)
}
}
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