partial extended support for markdown and org-mode

1 files changed, 211 insertions, 0 deletions

diff --git a/HutchTests/ReadmeViewTests.swift b/HutchTests/ReadmeViewTests.swift
index 9c3c019..7fbca86 100644
--- a/HutchTests/ReadmeViewTests.swift
+++ b/HutchTests/ReadmeViewTests.swift
@@ -27,3 +27,214 @@ struct ReadmeViewTests {
         #expect(sanitizedReadmeLinkURLString("#readme") == "#readme")
     }
 }
+
+struct MarkdownRenderingTests {
+
+    @Test
+    func markdownOrderedList() {
+        let html = markdownToHTML("1. First\n2. Second\n3. Third")
+
+        #expect(html.contains("<ol>"))
+        #expect(html.contains("<li>First</li>"))
+        #expect(html.contains("<li>Third</li>"))
+        #expect(html.contains("</ol>"))
+    }
+
+    @Test
+    func markdownBlockquote() {
+        let html = markdownToHTML("> This is a quote")
+
+        #expect(html.contains("<blockquote>"))
+        #expect(html.contains("This is a quote"))
+        #expect(html.contains("</blockquote>"))
+    }
+
+    @Test
+    func markdownTable() {
+        let input = "| A | B |\n|---|---|\n| 1 | 2 |"
+        let html = markdownToHTML(input)
+
+        #expect(html.contains("<table>"))
+        #expect(html.contains("<th>"))
+        #expect(html.contains("<td>"))
+    }
+
+    @Test
+    func markdownHorizontalRule() {
+        let html = markdownToHTML("---")
+
+        #expect(html.contains("<hr>"))
+    }
+
+    @Test
+    func markdownDeepHeadings() {
+        let html = markdownToHTML("#### Level 4\n##### Level 5\n###### Level 6")
+
+        #expect(html.contains("<h4>"))
+        #expect(html.contains("<h5>"))
+        #expect(html.contains("<h6>"))
+    }
+
+    @Test
+    func markdownStrikethrough() {
+        let html = markdownToHTML("~~deleted~~")
+
+        #expect(html.contains("<del>deleted</del>"))
+    }
+
+    @Test
+    func markdownInlineCodeEscaping() {
+        let html = processInline("`<b>`")
+
+        #expect(html.contains("<code>"))
+        #expect(html.contains("&lt;b&gt;"))
+        #expect(!html.contains("<b>"))
+    }
+
+    @Test
+    func markdownWrappedBulletNormalizesLines() {
+        let html = markdownToHTML("- First line\n  continues here")
+
+        #expect(html.contains("<li>First line continues here</li>"))
+    }
+
+    @Test
+    func markdownPlainEmailAutolinks() {
+        let html = processInline("Contact [email protected]")
+
+        #expect(html.contains(#"href="mailto:[email protected]""#))
+        #expect(html.contains(">[email protected]</a>"))
+    }
+
+    @Test
+    func markdownListContinuesAfterCodeBlock() {
+        let html = markdownToHTML("""
+        1. Clone the repository:
+           ```sh
+           git clone https://git.sr.ht/~ccleberg/Hutch
+           ```
+        2. Open the project in Xcode.
+        """)
+
+        #expect(html.contains("<ol>"))
+        #expect(html.contains("<pre><code>"))
+        #expect(html.contains("<li><p>Clone the repository:</p>"))
+        #expect(html.contains("<li>Open the project in Xcode.</li>"))
+        #expect(html.contains("</ol>"))
+    }
+
+    @Test
+    func markdownListContinuesAfterBlankLineIndentedCodeBlock() {
+        let html = markdownToHTML("""
+        1. Clone the repository:
+
+           ```sh
+           git clone https://git.sr.ht/~ccleberg/Hutch
+           ```
+
+        2. Open the project in Xcode.
+        """)
+
+        #expect(html.contains("<li><p>Clone the repository:</p>"))
+        #expect(html.contains("<pre><code>git clone https://git.sr.ht/~ccleberg/Hutch</code></pre>"))
+        #expect(html.contains("<li>Open the project in Xcode.</li>"))
+        #expect(!html.contains("<ol>\n<li>Open the project in Xcode.</li>\n</ol>\n<ol>"))
+        #expect(html.firstRange(of: "<p>Clone the repository:</p>")!.lowerBound < html.firstRange(of: "<pre><code>git clone https://git.sr.ht/~ccleberg/Hutch</code></pre>")!.lowerBound)
+    }
+
+    @Test
+    func markdownImageQueryStringPreservesAmpersands() {
+        let html = processInline("![badge](https://sonarcloud.io/api/project_badges/measure?project=ccleberg_Hutch&metric=security_rating)")
+
+        #expect(html.contains("metric=security_rating"))
+        #expect(!html.contains("amp;metric"))
+        #expect(html.contains("<img"))
+    }
+
+    @Test
+    func markdownAllowsSafeInlineHTML() {
+        let html = processInline(#"<strong>Bold</strong> <a href="https://example.com">Link</a>"#)
+
+        #expect(html.contains("<strong>Bold</strong>"))
+        #expect(html.contains(#"<a href="https://example.com">Link</a>"#))
+    }
+
+    @Test
+    func markdownProtectedTokensDoNotLeak() {
+        let html = processInline(#"<a href="https://example.com">Back to top</a> `yoshi [ARG] <FILE>`"#)
+
+        #expect(!html.contains("ZZPROTECTED"))
+        #expect(html.contains(#"<a href="https://example.com">Back to top</a>"#))
+        #expect(html.contains("<code>yoshi [ARG] &lt;FILE&gt;</code>"))
+    }
+}
+
+struct OrgRenderingTests {
+
+    @Test
+    func orgDeepHeading() {
+        let html = orgToHTML("**** Level 4 Heading")
+
+        #expect(html.contains("<h4>"))
+    }
+
+    @Test
+    func orgCommentLinesIgnored() {
+        let html = orgToHTML("# This is a comment\nNormal text")
+
+        #expect(!html.contains("This is a comment"))
+        #expect(html.contains("Normal text"))
+    }
+
+    @Test
+    func orgStrikethrough() {
+        let html = orgToHTML("+deleted text+")
+
+        #expect(html.contains("<del>"))
+    }
+
+    @Test
+    func orgExampleBlock() {
+        let html = orgToHTML("#+begin_example\nhello world\n#+end_example")
+
+        #expect(html.contains("<pre><code>"))
+        #expect(html.contains("hello world"))
+    }
+
+    @Test
+    func orgTitleKeyword() {
+        let html = orgToHTML("#+TITLE: My Document\nBody text")
+
+        #expect(html.contains("org-title"))
+        #expect(html.contains("My Document"))
+    }
+
+    @Test
+    func orgItalicDoesNotMatchURLPaths() {
+        let html = orgToHTML("[[https://example.com/path/to/file]]")
+
+        #expect(!html.contains("<em>"))
+    }
+
+    @Test
+    func orgWrappedBulletNormalizesLines() {
+        let html = orgToHTML("- First line\n  continues here")
+
+        #expect(html.contains("<li>First line continues here</li>"))
+    }
+}
+
+struct RepositoryAssetURLTests {
+
+    @Test
+    func repositoryAssetURLPercentEncodesImagePaths() {
+        let url = resolveRepositoryAssetURL(
+            "images/My Logo.png",
+            owner: "~ccleberg",
+            repositoryName: "Hutch",
+            readmePath: "README.md"
+        )
+
+        #expect(url == "https://git.sr.ht/~ccleberg/Hutch/blob/HEAD/images/My%20Logo.png")
+    }
+}