75 lines
3.1 KiB
Swift
75 lines
3.1 KiB
Swift
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import XCTest
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@testable import SaplingEditor
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final class DocumentPresentationStateTests: XCTestCase {
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func testEveryLineHasExactlyOnePresentationState() {
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let source = "# Heading\n* [x] Done\nParagraph"
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let lineIndex = DocumentLineIndex(source: source)
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let presentation = DocumentPresentationState(lineIndex: lineIndex, activeLineIndex: 1)
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XCTAssertEqual(presentation.lines.count, 3)
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XCTAssertEqual(presentation.lineState(at: 0), .rendered)
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XCTAssertEqual(presentation.lineState(at: 1), .source)
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XCTAssertEqual(presentation.lineState(at: 2), .rendered)
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XCTAssertEqual(presentation.lines.filter { $0.state == .source }.map(\.line.index), [1])
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XCTAssertEqual(presentation.lines.filter { $0.state == .rendered }.map(\.line.index), [0, 2])
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}
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func testPresentationStateIsDeterministicForSameDocumentAndActiveLine() {
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let source = "# Heading\nThis has **bold** and `code`.\n* [ ] Todo"
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let lineIndex = DocumentLineIndex(source: source)
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let first = DocumentPresentationState(lineIndex: lineIndex, activeLineIndex: 2)
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let second = DocumentPresentationState(lineIndex: lineIndex, activeLineIndex: 2)
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XCTAssertEqual(first, second)
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}
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func testRenderedElementsAreSemantic() {
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let source = "# Heading\n* [x] Done\nSee [Docs](https://example.com)"
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let lineIndex = DocumentLineIndex(source: source)
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let presentation = DocumentPresentationState(lineIndex: lineIndex, activeLineIndex: 99)
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XCTAssertTrue(presentation.elements.contains {
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guard case .heading(let heading) = $0 else { return false }
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return heading.lineIndex == 0 && heading.level == 1
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})
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XCTAssertEqual(presentation.renderedTasks.map(\.checked), [true])
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XCTAssertTrue(presentation.elements.contains {
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guard case .link(let link) = $0 else { return false }
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return (source as NSString).substring(with: link.titleRange) == "Docs"
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})
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}
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func testCodeBlockIsRepresentedAsSemanticBlock() {
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let source = "Intro\n```swift\nlet value = 42\n```"
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let lineIndex = DocumentLineIndex(source: source)
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let presentation = DocumentPresentationState(lineIndex: lineIndex, activeLineIndex: 0)
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XCTAssertEqual(presentation.renderedCodeBlocks.count, 1)
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XCTAssertEqual(presentation.renderedCodeBlocks[0].lineIndexes, [1, 2, 3])
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XCTAssertEqual(
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(source as NSString).substring(with: presentation.renderedCodeBlocks[0].languageRange!),
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"swift"
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)
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}
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func testDirtyPresentationResolvesNearbyCodeBlockContext() {
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let source = "Intro\n```swift\nlet value = 42\n```"
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let lineIndex = DocumentLineIndex(source: source)
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let presentation = DocumentPresentationState(
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lineIndex: lineIndex,
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activeLineIndex: 0,
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lineIndexes: [2]
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)
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XCTAssertEqual(presentation.lines.count, 1)
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XCTAssertEqual(presentation.lines[0].state, .rendered)
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XCTAssertEqual(presentation.lines[0].renderPlan.kind, .codeBlockContent)
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}
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}
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