katana-document-viewer 0.1.4

KatanA document viewer artifact, render evaluation, and export foundation.
Documentation 
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use super::contract_test_support::HtmlContractTestSupport;

#[test]
fn red_detects_code_block_syntax_highlighting_contract_gaps()
-> Result<(), Box<dyn std::error::Error>> {
    let html = HtmlContractTestSupport::export_html(syntax_highlight_markdown())?;
    assert_syntax_highlight_contract(&html);
    Ok(())
}

fn syntax_highlight_markdown() -> &'static str {
    r#"```rust
fn main() {
    let name = "KatanA";
}
```

```toml
[package]
name = "katana-document-viewer"
```
"#
}

fn assert_syntax_highlight_contract(html: &str) {
    HtmlContractTestSupport::assert_contains_all(
        html,
        &[
            (
                "rust syntax highlighter",
                r#"<pre data-kdv-code-role="plain" data-kdv-code-language="rust" data-kdv-code-highlighter="syntect" data-kdv-syntax-theme="InspiredGitHub">"#,
            ),
            ("rust language class", r#"<code class="language-rust">"#),
            ("highlight spans", "<span style="),
            (
                "toml syntax highlighter",
                r#"<pre data-kdv-code-role="plain" data-kdv-code-language="toml" data-kdv-code-highlighter="syntect" data-kdv-syntax-theme="InspiredGitHub">"#,
            ),
            ("toml language class", r#"<code class="language-toml">"#),
        ],
    );
}

#[test]
fn red_detects_quoted_code_block_marker_leaks() -> Result<(), Box<dyn std::error::Error>> {
    let html = HtmlContractTestSupport::export_html(
        r#"> ```rust
> let quoted_code = true;
> ```
"#,
    )?;

    HtmlContractTestSupport::assert_contains_all(
        &html,
        &[
            (
                "quoted code language",
                r#"<pre data-kdv-code-role="plain" data-kdv-code-language="rust" data-kdv-code-highlighter="syntect" data-kdv-syntax-theme="InspiredGitHub">"#,
            ),
            ("quoted code body", "quoted_code"),
        ],
    );
    assert!(
        !html.contains("&gt; ```") && !html.contains("&gt; let"),
        "quoted fenced code must not leak blockquote markers: {html}"
    );
    Ok(())
}