use anyhow::{anyhow, Result};
use html_simple_parser::{parse_html, HtmlElem, HtmlParseError};
#[test]
fn thow_mismatched_closing_tag_error() -> Result<()> {
let input = "
";
let result = parse_html(input);
match result {
Ok(_) => Err(anyhow!(
"Test failed! There should be an error here due to tag mismatch."
)),
Err(HtmlParseError::MismatchedClosingTag(expected, found)) => {
assert_eq!(expected, "html");
assert_eq!(found, "div");
Ok(())
}
Err(err) => Err(anyhow!(err).context("Test failed! Not the error that was expected.")),
}
}
#[test]
fn invalid_html_structure() -> Result<()> {
let input = "
";
let result = parse_html(input);
match result {
Ok(_) => Err(anyhow!(
"Test failed! There should be an error here due to invalid structure."
)),
Err(HtmlParseError::ErrorHtmlStructure) => Ok(()),
Err(err) => Err(anyhow!(err).context("Test failed! Not the error that was expected.")),
}
}
#[test]
fn defining_right_tags() -> Result<()> {
let input = "
Text
";
let result = parse_html(input);
match result {
Ok(elements) => {
assert_eq!(elements.len(), 2);
match &elements[0] {
HtmlElem::Documentation(doctype) => {
assert_eq!("", doctype);
}
_ => {
return Err(anyhow!(
"Test failed! First Element of html dom must be documentatation tag."
))
}
}
match &elements[1] {
HtmlElem::Tag { tag_name, children } => {
assert_eq!("html", tag_name);
assert_eq!(children.len(), 1);
match &children[0] {
HtmlElem::Tag { tag_name, children } => {
assert_eq!("head", tag_name);
assert_eq!(children.len(), 2);
match &children[0] {
HtmlElem::Tag { tag_name, children } => {
assert_eq!(tag_name, "p");
assert_eq!(children.len(), 1);
if let HtmlElem::Text(text) = &children[0] {
assert_eq!(text, "Text");
} else {
return Err(anyhow!(
"Test failed! should contain text."
));
}
}
_ => {
return Err(anyhow!(
"Test failed! The first child of
should be a tag."
))
}
}
match &children[1] {
HtmlElem::Tag { tag_name, children } => {
assert_eq!(tag_name, "
");
assert!(children.is_empty());
}
_ => {
return Err(anyhow!(
"Test failed! The second child of
should be a
tag."
))
}
}
}
_ => {
return Err(anyhow!(
"Test failed! The child of should be a tag."
))
}
}
}
_ => return Err(anyhow!("Test failed! Second element must be tag.")),
}
Ok(())
}
Err(_) => Err(anyhow!("Test failed. HTML parsing failed.")),
}
}