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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021 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 XCTest
@testable import Markdown
final class BasicBlockContainerTests: XCTestCase {
func testFromSequence() {
let expectedChildren = Array(repeating: Paragraph(Text("OK")), count: 3)
let blockQuote = BlockQuote(expectedChildren)
let gottenChildren = Array(blockQuote.children)
XCTAssertEqual(expectedChildren.count, gottenChildren.count)
for (expected, gotten) in zip(expectedChildren, gottenChildren) {
XCTAssertEqual(expected.debugDescription(), gotten.detachedFromParent.debugDescription())
}
}
func testReplacingChildrenInRange() {
let blockQuote = BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3))
let id = blockQuote._data.id
do { // Insert one
let insertedChild = Paragraph(Text("Inserted"))
var newBlockQuote = blockQuote
newBlockQuote.replaceChildrenInRange(0..<0, with: CollectionOfOne(insertedChild))
assertElementDidntChange(blockQuote, assertedStructure: BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3)), expectedId: id)
XCTAssertEqual(insertedChild.debugDescription(), (newBlockQuote.child(at: 0) as! Paragraph).detachedFromParent.debugDescription())
XCTAssertEqual(4, newBlockQuote.childCount)
}
do { // Insert multiple
let insertedChildren = Array(repeating: Paragraph(Text("Inserted")), count: 3)
var newBlockQuote = blockQuote
newBlockQuote.replaceChildrenInRange(0..<0, with: insertedChildren)
assertElementDidntChange(blockQuote, assertedStructure: BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3)), expectedId: id)
let expectedDump = """
BlockQuote
├─ Paragraph
│ └─ Text "Inserted"
├─ Paragraph
│ └─ Text "Inserted"
├─ Paragraph
│ └─ Text "Inserted"
├─ Paragraph
│ └─ Text "OK"
├─ Paragraph
│ └─ Text "OK"
└─ Paragraph
└─ Text "OK"
"""
XCTAssertEqual(expectedDump, newBlockQuote.debugDescription())
XCTAssertEqual(6, newBlockQuote.childCount)
}
do { // Replace one
let replacementChild = Paragraph(Text("Replacement"))
var newBlockQuote = blockQuote
newBlockQuote.replaceChildrenInRange(0..<1, with: CollectionOfOne(replacementChild))
assertElementDidntChange(blockQuote, assertedStructure: BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3)), expectedId: id)
XCTAssertEqual(replacementChild.debugDescription(), (newBlockQuote.child(at: 0) as! Paragraph).detachedFromParent.debugDescription())
XCTAssertEqual(3, newBlockQuote.childCount)
}
do { // Replace many
let replacementChild = Paragraph(Text("Replacement"))
var newBlockQuote = blockQuote
newBlockQuote.replaceChildrenInRange(0..<2, with: CollectionOfOne(replacementChild))
assertElementDidntChange(blockQuote, assertedStructure: BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3)), expectedId: id)
let expectedDump = """
BlockQuote
├─ Paragraph
│ └─ Text "Replacement"
└─ Paragraph
└─ Text "OK"
"""
XCTAssertEqual(expectedDump, newBlockQuote.debugDescription())
XCTAssertEqual(2, newBlockQuote.childCount)
}
do { // Replace all
let replacementChild = Paragraph(Text("Replacement"))
var newBlockQuote = blockQuote
newBlockQuote.replaceChildrenInRange(0..<3, with: CollectionOfOne(replacementChild))
assertElementDidntChange(blockQuote, assertedStructure: BlockQuote(Array(repeating: Paragraph(Text("OK")), count: 3)), expectedId: id)
let expectedDump = """
BlockQuote
└─ Paragraph
└─ Text "Replacement"
"""
XCTAssertEqual(expectedDump, newBlockQuote.debugDescription())
XCTAssertEqual(1, newBlockQuote.childCount)
}
}
func testSetBlockChildren() {
let document = Document(Paragraph(), Paragraph(), Paragraph())
var newDocument = document
newDocument.setBlockChildren([ThematicBreak(), ThematicBreak()])
let expectedDump = """
Document
├─ ThematicBreak
└─ ThematicBreak
"""
XCTAssertEqual(expectedDump, newDocument.debugDescription())
}
}
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