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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 SwiftSyntax
import SwiftSyntaxBuilder
import XCTest
final class CollectionNodeFlatteningTests: XCTestCase {
func testFlattenCodeBlockItemListWithBuilder() {
@CodeBlockItemListBuilder
func buildInnerCodeBlockItemList() -> CodeBlockItemListSyntax {
[ExprSyntax("innerBuilder1"), ExprSyntax("innerBuilder2")].lazy.map {
FunctionCallExprSyntax(callee: $0)
}
}
@CodeBlockItemListBuilder
func buildOuterCodeBlockItemList() -> CodeBlockItemListSyntax {
FunctionCallExprSyntax(callee: ExprSyntax("outerBuilder"))
buildInnerCodeBlockItemList()
}
let codeBlock = CodeBlockSyntax {
FunctionCallExprSyntax(callee: ExprSyntax("outsideBuilder"))
buildOuterCodeBlockItemList()
}
assertBuildResult(
codeBlock,
"""
{
outsideBuilder()
outerBuilder()
innerBuilder1()
innerBuilder2()
}
"""
)
}
func testFlattenCodeBlockItemListWithCodeBlockItemStrings() {
let buildable = CodeBlockItemListSyntax {
"let one = object.methodOne()"
"let two = object.methodTwo()"
}
assertBuildResult(
buildable,
"""
let one = object.methodOne()
let two = object.methodTwo()
"""
)
}
func testFlattenCodeBlockItemListWithCodeBlockItemStringArray() {
let buildable = CodeBlockItemListSyntax {
["let one = object.methodOne()", "let two = object.methodTwo()"]
}
assertBuildResult(
buildable,
"""
let one = object.methodOne()
let two = object.methodTwo()
"""
)
}
func testFlattenCodeBlockItemListWithCodeBlockInterpolated() {
let block = CodeBlockItemListSyntax {
"let a = 1"
"let b = 2"
"let c = 3"
}
let buildable = CodeBlockItemListSyntax {
"let one = object.methodOne()"
"let two = object.methodTwo()"
"let three = {\(block)}()"
}
assertBuildResult(
buildable,
"""
let one = object.methodOne()
let two = object.methodTwo()
let three = {
let a = 1
let b = 2
let c = 3
}()
"""
)
}
func testFlattenCodeBlockItemListWithTrailingNewline() {
let buildable = CodeBlockItemListSyntax {
DeclSyntax("let a = 1").with(\.trailingTrivia, .newline)
DeclSyntax("let b = 2").with(\.trailingTrivia, .newline)
}
assertBuildResult(
buildable,
"""
let a = 1
let b = 2
"""
)
}
}
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