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test: add tests for html module

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This commit is contained in:
Kenneth Gitere 2021-07-27 18:43:08 +03:00
parent 0357eaebb6
commit 0b19376f59
1 changed files with 114 additions and 6 deletions
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120
src/html.rs
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@ -12,7 +12,7 @@ use kuchiki::{traits::*, NodeRef};
use log::{debug, error, info};
use crate::{
cli::{self, AppConfig},
cli::{self, AppConfig, CSSConfig},
errors::PaperoniError,
extractor::Article,
moz_readability::MetaData,
@ -137,7 +137,8 @@ pub fn generate_html_exports(
.map(|article| (article.metadata(), article.url.as_str()))
.collect(),
);
inline_css(&base_html_elem, app_config);
inline_css(&base_html_elem, &app_config.css_config);
remove_existing_stylesheet_link(&base_html_elem);
info!("Added title, footer and inlined styles for {}", name);
@ -233,7 +234,8 @@ pub fn generate_html_exports(
insert_title_elem(article.node_ref(), article.metadata().title());
insert_appendix(article.node_ref(), vec![(article.metadata(), &article.url)]);
inline_css(article.node_ref(), app_config);
inline_css(article.node_ref(), &app_config.css_config);
remove_existing_stylesheet_link(article.node_ref());
article.node_ref().serialize(&mut out_file)?;
Ok(())
@ -356,11 +358,11 @@ fn insert_appendix(root_node: &NodeRef, article_links: Vec<(&MetaData, &str)>) {
}
/// Inlines the CSS stylesheets into the HTML article node
fn inline_css(root_node: &NodeRef, app_config: &AppConfig) {
fn inline_css(root_node: &NodeRef, css_config: &CSSConfig) {
let body_stylesheet = include_str!("./assets/body.min.css");
let header_stylesheet = include_str!("./assets/headers.min.css");
let mut css_str = String::new();
match app_config.css_config {
match css_config {
cli::CSSConfig::NoHeaders => {
css_str.push_str(body_stylesheet);
}
@ -380,8 +382,114 @@ fn inline_css(root_node: &NodeRef, app_config: &AppConfig) {
head_elem.as_node().prepend(style_elem.as_node().to_owned());
}
// Remove the <link> of the stylesheet since styles are now inlined
/// Removes the <link> of the stylesheet. This is used when inlining styles
fn remove_existing_stylesheet_link(root_node: &NodeRef) {
if let Ok(style_link_elem) = root_node.select_first("link[href=\"stylesheet.css\"]") {
style_link_elem.as_node().detach();
};
}
#[cfg(test)]
mod test {
use super::*;
#[test]
fn test_insert_title_elem() {
let title = "Sample title";
let html_str = r#"<html><head><meta charset="UTF-8"/></head><body></body></html>"#;
let doc = kuchiki::parse_html().one(html_str);
assert_eq!(0, doc.select("title").unwrap().count());
insert_title_elem(&doc, title);
assert_eq!(1, doc.select("title").unwrap().count());
assert_eq!(title, doc.select_first("title").unwrap().text_contents());
}
#[test]
fn test_create_qualname() {
let name = "div";
assert_eq!(
create_qualname(name),
QualName::new(
None,
Namespace::from("http://www.w3.org/1999/xhtml"),
LocalName::from(name)
)
);
}
#[test]
fn test_inline_css() {
let html_str = r#"<html>
<head><meta charset="UTF-8"/></head>
<body>
<p>Lorem ipsum sample text goes here.</p>
</body>
</html>"#;
let doc = kuchiki::parse_html().one(html_str);
let body_stylesheet = include_str!("./assets/body.min.css");
let header_stylesheet = include_str!("./assets/headers.min.css");
assert_eq!(0, doc.select("style").unwrap().count());
inline_css(&doc, &CSSConfig::None);
assert_eq!(0, doc.select("style").unwrap().count());
inline_css(&doc, &CSSConfig::NoHeaders);
assert_eq!(1, doc.select("style").unwrap().count());
let style_elem = doc.select_first("style").unwrap();
assert_eq!(body_stylesheet, style_elem.text_contents());
let doc = kuchiki::parse_html().one(html_str);
inline_css(&doc, &CSSConfig::All);
assert_eq!(1, doc.select("style").unwrap().count());
let style_elem = doc.select_first("style").unwrap();
assert_eq!(
format!("{}{}", body_stylesheet, header_stylesheet),
style_elem.text_contents()
);
}
#[test]
fn test_remove_existing_stylesheet_link() {
let html_str = r#"<html>
<head><link href="stylesheet.css"></link></head>
<body><p>Lorem ipsum sample text goes here.</p></body></html>"#;
let doc = kuchiki::parse_html().one(html_str);
assert_eq!(1, doc.select("link").unwrap().count());
remove_existing_stylesheet_link(&doc);
assert_eq!(0, doc.select("link").unwrap().count());
}
#[test]
fn test_insert_appendix() {
let html_str = r#"<html>
<head><meta charset="UTF-8"/></head>
<body>
<p>Lorem ipsum sample text goes here.</p>
</body>
</html>"#;
let doc = kuchiki::parse_html().one(html_str);
let meta_data = MetaData::new();
assert_eq!(0, doc.select("footer").unwrap().count());
insert_appendix(&doc, vec![(&meta_data, "http://example.org")]);
assert_eq!(1, doc.select("footer").unwrap().count());
assert_eq!(1, doc.select("footer > h2").unwrap().count());
assert_eq!(
"Appendix",
doc.select_first("footer > h2").unwrap().text_contents()
);
assert_eq!(1, doc.select("footer > h3").unwrap().count());
assert_eq!(
"Article sources",
doc.select_first("footer > h3").unwrap().text_contents()
);
assert_eq!(1, doc.select("a").unwrap().count());
let anchor_elem = doc.select_first("a").unwrap();
assert_eq!("http://example.org", anchor_elem.text_contents());
let anchor_attrs = anchor_elem.attributes.borrow();
assert_eq!(Some("http://example.org"), anchor_attrs.get("href"));
}
}