web-capture 0.3.16

CLI and microservice to render web pages as HTML, Markdown, or PNG
Documentation 
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use web_capture::{
    convert_html_to_markdown_enhanced,
    markdown::{clean_markdown, convert_html_to_markdown},
    EnhancedOptions,
};

#[test]
fn test_convert_html_to_markdown_basic() {
    let html = r"<html><body><h1>Hello World</h1><p>This is a test.</p></body></html>";
    let result = convert_html_to_markdown(html, None).unwrap();
    eprintln!("Result: {result:?}");
    // html2md may format headers differently (with or without space after #)
    assert!(
        result.contains("Hello World"),
        "Should contain 'Hello World'"
    );
    assert!(
        result.contains("This is a test."),
        "Should contain 'This is a test.'"
    );
}

#[test]
fn test_convert_html_to_markdown_with_link() {
    let html = r#"<a href="https://example.com">Example</a>"#;
    let result = convert_html_to_markdown(html, None).unwrap();
    assert!(result.contains("[Example](https://example.com)"));
}

#[test]
fn test_convert_html_to_markdown_with_relative_url() {
    let html = r#"<a href="/about">About</a>"#;
    let result = convert_html_to_markdown(html, Some("https://example.com")).unwrap();
    assert!(result.contains("https://example.com/about"));
}

#[test]
fn test_convert_html_to_markdown_removes_script() {
    let html = r"<html><body><script>alert('test');</script><p>Content</p></body></html>";
    let result = convert_html_to_markdown(html, None).unwrap();
    assert!(!result.contains("alert"));
    assert!(result.contains("Content"));
}

#[test]
fn test_convert_html_to_markdown_removes_style() {
    let html = r"<html><body><style>body { color: red; }</style><p>Content</p></body></html>";
    let result = convert_html_to_markdown(html, None).unwrap();
    assert!(!result.contains("color: red"));
    assert!(result.contains("Content"));
}

#[test]
fn test_clean_markdown_removes_excessive_newlines() {
    let markdown = "Line 1\n\n\n\n\nLine 2";
    let result = clean_markdown(markdown);
    assert_eq!(result, "Line 1\n\nLine 2\n");
}

#[test]
fn test_clean_markdown_adds_trailing_newline() {
    let markdown = "Content";
    let result = clean_markdown(markdown);
    assert!(result.ends_with('\n'));
}

#[test]
fn test_enhanced_markdown_extracts_habr_formula_images() {
    let html = r#"
        <article>
            <p>Everything is <img class="formula inline" source="100\%" alt="100\%"> serious.</p>
            <blockquote><p><img class="formula inline" source="\forall x, P(x)" alt="formula"></p></blockquote>
        </article>
    "#;

    let result = convert_html_to_markdown_enhanced(
        html,
        None,
        &EnhancedOptions {
            extract_metadata: false,
            post_process: false,
            detect_code_language: false,
            ..EnhancedOptions::default()
        },
    )
    .unwrap();

    assert!(
        result.markdown.contains(r"Everything is $100\%$ serious."),
        "markdown was:\n{}",
        result.markdown
    );
    assert!(
        result.markdown.contains(r"$\forall x, P(x)$"),
        "markdown was:\n{}",
        result.markdown
    );
    assert!(!result.markdown.contains("<img"));
    assert!(!result.markdown.contains("formula inline"));
}

#[test]
fn test_enhanced_markdown_can_disable_latex_extraction() {
    let html = r#"<p><img class="formula inline" source="x^2" alt="x squared"></p>"#;

    let result = convert_html_to_markdown_enhanced(
        html,
        None,
        &EnhancedOptions {
            extract_latex: false,
            extract_metadata: false,
            post_process: false,
            detect_code_language: false,
            content_selector: None,
            body_selector: None,
        },
    )
    .unwrap();

    assert!(!result.markdown.contains("$x^2$"));
}

#[test]
fn test_enhanced_markdown_corrects_coq_code_language() {
    let html = r#"
        <pre><code class="language-matlab">Require Import Coq.Init.Logic.
Theorem example : True.
Proof.
Qed.</code></pre>
    "#;

    let result = convert_html_to_markdown_enhanced(
        html,
        None,
        &EnhancedOptions {
            extract_metadata: false,
            post_process: false,
            ..EnhancedOptions::default()
        },
    )
    .unwrap();

    assert!(result.markdown.contains("Require Import Coq.Init.Logic."));
    assert!(!result.markdown.contains("matlab"));
}