Add unit tests for clean, clean_styles, clean_headers and
`clean_matched_nodes` Add missing function calls in `prep_article`
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Kenneth Gitere
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78d6e16618
1 changed files with 130 additions and 0 deletions
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@ -1017,10 +1017,12 @@ impl Readability {
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/// forms, strip extraneous <p> tags, etc.
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/// forms, strip extraneous <p> tags, etc.
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fn prep_article(&mut self, node_ref: &mut NodeRef) {
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fn prep_article(&mut self, node_ref: &mut NodeRef) {
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Self::clean_styles(node_ref);
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Self::clean_styles(node_ref);
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self.mark_data_tables();
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Self::fix_lazy_images(node_ref);
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Self::fix_lazy_images(node_ref);
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Self::clean_conditionally(node_ref, "form");
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Self::clean_conditionally(node_ref, "form");
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Self::clean_conditionally(node_ref, "fieldset");
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Self::clean_conditionally(node_ref, "fieldset");
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Self::clean(node_ref, "object");
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Self::clean(node_ref, "object");
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Self::clean(node_ref, "embed");
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Self::clean(node_ref, "h1");
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Self::clean(node_ref, "h1");
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Self::clean(node_ref, "footer");
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Self::clean(node_ref, "footer");
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Self::clean(node_ref, "link");
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Self::clean(node_ref, "link");
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@ -2517,4 +2519,132 @@ characters. For that reason, this <p> tag could not be a byline because it's too
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#[test]
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#[test]
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fn test_fix_lazy_images() {}
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fn test_fix_lazy_images() {}
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#[test]
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fn test_clean() {
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let html_str = r#"
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<!DOCTYPE html>
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<html>
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<body>
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<pre>A Paperoni test</pre>
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<iframe width="420" height="345" src="https://www.youtube.com/embed/dQw4w9WgXcQ">
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</iframe>
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<iframe src="https://www.rust-lang.org/" name="rust_iframe" height="300px" width="100%" title="Rustlang Homepage">
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</iframe>
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<iframe src="https://crates.io/" name="crates_iframe" height="300px" width="100%" title="Crates.io Homepage">
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</iframe>
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<pre></pre>
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</body>
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</html>
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"#;
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let doc = Readability::new(html_str);
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Readability::clean(&mut doc.root_node.clone(), "pre");
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let pre_count = doc.root_node.select("pre").unwrap().count();
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assert_eq!(0, pre_count);
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Readability::clean(&mut doc.root_node.clone(), "iframe");
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let iframe_count = doc.root_node.select("iframe").unwrap().count();
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assert_eq!(1, iframe_count);
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let iframe = doc.root_node.select_first("iframe").unwrap();
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let iframe_attrs = iframe.attributes.borrow();
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assert_eq!(
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Some("https://www.youtube.com/embed/dQw4w9WgXcQ"),
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iframe_attrs.get("src")
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);
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}
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#[test]
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fn test_clean_headers() {
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let html_str = r#"
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<!DOCTYPE html>
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<html>
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<body>
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<h1 class="tags">#blog, #rust</h1>
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<h2>A blog in Rust</h2>
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<p>Foo bar baz quux</p>
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<h1 class="footer">Copyright info</h1>
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</body>
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</html>
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"#;
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let doc = Readability::new(html_str);
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let body = doc.root_node.select_first("body").unwrap();
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let h1_count = doc.root_node.select("h1").unwrap().count();
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let h2_count = doc.root_node.select("h2").unwrap().count();
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assert_eq!(2, h1_count);
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assert_eq!(1, h2_count);
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Readability::clean_headers(&mut body.as_node().clone());
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let h1_count = doc.root_node.select("h1").unwrap().count();
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let h2_count = doc.root_node.select("h2").unwrap().count();
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assert_eq!(0, h1_count);
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assert_eq!(1, h2_count);
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}
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#[test]
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fn test_clean_styles() {
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let html_str = r#"
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<!DOCTYPE html>
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<html>
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<body>
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<div style="color:red; padding: 10px" id="red">A red box</div>
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<div height="100px" style="color:blue; padding: 10px" id="blue">
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A blue box
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</div>
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<svg width="100" height="100">
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<circle cx="50" cy="50" r="40" fill="green" />
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</svg>
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<table width="100%" bgcolor="yellow">
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<tr>
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<th>Col 1</th>
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<th>Col 2</th>
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</tr>
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</table>
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</body>
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</html>
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"#;
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let doc = Readability::new(html_str);
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Readability::clean_styles(&mut doc.root_node.clone());
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let red_div = doc.root_node.select_first("#red").unwrap();
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let blue_div = doc.root_node.select_first("#blue").unwrap();
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let svg = doc.root_node.select_first("svg").unwrap();
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let table = doc.root_node.select_first("table").unwrap();
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let red_div_attrs = red_div.attributes.borrow();
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let blue_div_attrs = blue_div.attributes.borrow();
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let svg_attrs = svg.attributes.borrow();
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let table_attrs = table.attributes.borrow();
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assert_eq!(1, red_div_attrs.map.len());
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assert_eq!(false, red_div_attrs.contains("style"));
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assert_eq!(2, blue_div_attrs.map.len());
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assert_eq!(false, blue_div_attrs.contains("style"));
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assert_eq!(true, blue_div_attrs.contains("height"));
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assert_eq!(2, svg_attrs.map.len());
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assert_eq!(0, table_attrs.map.len());
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}
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#[test]
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fn test_clean_matched_nodes() {
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let html_str = r#"
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<!DOCTYPE html>
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<html>
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<body>
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<p class="example">In Rust you can have 3 kinds of variables</p>
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<ul>
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<li class="example">Immutable</li>
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<li class="example">Mutable</li>
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<li class="example">Constant</li>
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</ul>
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<p>Onto more tests</p>
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</body>
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</html>
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"#;
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let doc = Readability::new(html_str);
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let body = doc.root_node.select_first("body").unwrap();
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Readability::clean_matched_nodes(&mut body.as_node().clone(), |node_ref, match_str| {
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&node_ref.as_element().unwrap().name.local == "li" && match_str.contains("example")
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});
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let p_count = doc.root_node.select("p").unwrap().count();
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let li_count = doc.root_node.select("li").unwrap().count();
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assert_eq!(2, p_count);
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assert_eq!(0, li_count);
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}
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}
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}
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