55 lines
2.9 KiB
Swift
55 lines
2.9 KiB
Swift
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import MarkdownUI
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import SwiftUI
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import Testing
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import UIKit
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@testable import Sybil
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@Suite @MainActor
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struct MessagePresentationTests {
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@Test func userMarkupRemainsLiteral() {
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let source = "**bold** [link](https://example.invalid) `code`\n- item\n<script>literal</script>"
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let content = SybilMessageText.literalContent(source)
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#expect(content.renderPlainText() == source)
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#expect(!content.renderHTML().contains("<strong>"))
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#expect(!content.renderHTML().contains("<a "))
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#expect(!content.renderHTML().contains("<code>"))
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#expect(!content.renderHTML().contains("<ul>"))
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#expect(content.renderHTML().contains("<script>"))
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}
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@Test func literalLineBreaksAndParagraphsStayDistinct() {
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let content = SybilMessageText.literalContent("First\nSecond\n\nThird")
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#expect(content.renderPlainText() == "First\nSecond\n\nThird")
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#expect(content.renderHTML() == "<p>First\nSecond</p>\n<p>Third</p>\n")
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// Empty paragraphs retain layout space instead of disappearing.
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#expect(SybilMessageText.literalContent("\n\nFirst\n\n\n\nLast\n\n").renderHTML().components(separatedBy: "<p>").count == 6)
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}
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@Test func pastedParagraphBoundariesMatchMarkdown() {
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for source in ["First\r\n\r\nSecond", "First\n \nSecond", "First\n\t\nSecond"] {
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#expect(SybilMessageText.literalContent(source).renderHTML() == "<p>First</p>\n<p>Second</p>\n")
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}
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#expect(SybilMessageText.literalContent("First\r\nSecond").renderPlainText() == "First\nSecond")
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#expect(SybilMessageText.literalContent(" **literal** \n\nLast").renderPlainText() == " **literal** \n\nLast")
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#expect(SybilMessageText.literalContent("First\r\n \r\n\t\r\n\r\nLast") == SybilMessageText.literalContent("First\n\n\n\nLast"))
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}
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@Test func bothFormatsShareLineParagraphMetricsAndDynamicType() {
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func height(_ content: String, _ format: SybilMessageText.Format, _ size: DynamicTypeSize) -> CGFloat {
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let host = UIHostingController(rootView: SybilMessageText(content: content, format: format)
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.environment(\.dynamicTypeSize, size))
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return host.sizeThatFits(in: CGSize(width: 320, height: 10_000)).height
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}
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let literal = "First line\nSecond line\n\nAnother paragraph"
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let markdown = "First line \nSecond line\n\nAnother paragraph"
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for size in [DynamicTypeSize.large, .accessibility3] {
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#expect(abs(height(literal, .literal, size) - height(markdown, .markdown, size)) < 1)
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}
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for source in ["First\r\n\r\nSecond", "First\n \nSecond", "First\n\t\nSecond"] {
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#expect(abs(height(source, .literal, .large) - height(source, .markdown, .large)) < 1)
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}
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#expect(height(literal, .literal, .accessibility3) > height(literal, .literal, .large) * 1.5)
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#expect(height(markdown, .markdown, .accessibility3) > height(markdown, .markdown, .large) * 1.5)
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}
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}
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