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/*
This source file is part of the Swift.org open source project
Copyright (c) 2021-2023 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 XCTest
@testable import Markdown
class LinkTests: XCTestCase {
func testLinkDestination() {
let destination = "destination"
let link = Link(destination: destination)
XCTAssertEqual(destination, link.destination)
XCTAssertEqual(0, link.childCount)
let newDestination = "newdestination"
var newLink = link
newLink.destination = newDestination
XCTAssertEqual(newDestination, newLink.destination)
XCTAssertFalse(link.isIdentical(to: newLink))
}
func testLinkFromSequence() {
let children = [Text("Hello, world!")]
let link = Link(destination: "destination", children)
let expectedDump = """
Link destination: "destination"
└─ Text "Hello, world!"
"""
XCTAssertEqual(expectedDump, link.debugDescription())
}
func testAutoLink() {
let children = [Text("example.com")]
var link = Link(destination: "example.com", children)
let expectedDump = """
Link destination: "example.com"
└─ Text "example.com"
"""
XCTAssertEqual(expectedDump, link.debugDescription())
XCTAssertTrue(link.isAutolink)
link.destination = "test.example.com"
XCTAssertFalse(link.isAutolink)
}
func testTitleLink() throws {
let markdown = #"""
[Example](example.com "The example title")
[Example2](example2.com)
[Example3]()
"""#
let document = Document(parsing: markdown)
XCTAssertEqual(document.childCount, 1)
let paragraph = try XCTUnwrap(document.child(at: 0) as? Paragraph)
XCTAssertEqual(paragraph.childCount, 5)
XCTAssertTrue(paragraph.child(at: 1) is SoftBreak)
XCTAssertTrue(paragraph.child(at: 3) is SoftBreak)
let linkWithTitle = try XCTUnwrap(paragraph.child(at: 0) as? Link)
let linkWithoutTitle = try XCTUnwrap(paragraph.child(at: 2) as? Link)
let linkWithoutDestination = try XCTUnwrap(paragraph.child(at: 4) as? Link)
XCTAssertEqual(try XCTUnwrap(linkWithTitle.child(at: 0) as? Text).string, "Example")
XCTAssertEqual(linkWithTitle.destination, "example.com")
XCTAssertEqual(linkWithTitle.title, "The example title")
XCTAssertEqual(try XCTUnwrap(linkWithoutTitle.child(at: 0) as? Text).string, "Example2")
XCTAssertEqual(linkWithoutTitle.destination, "example2.com")
XCTAssertEqual(linkWithoutTitle.title, nil)
XCTAssertEqual(try XCTUnwrap(linkWithoutDestination.child(at: 0) as? Text).string, "Example3")
XCTAssertEqual(linkWithoutDestination.destination, nil)
XCTAssertEqual(linkWithoutDestination.title, nil)
}
}
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