use std::{include_str, ops::Range}; use codespan_reporting::{ self, diagnostic::{Diagnostic, Label}, files::SimpleFiles, term::{self, termcolor::Buffer}, }; use html5gum::{spans::PosTracker, DefaultEmitter, Readable, StringReader, Token, Tokenizer}; #[test] fn test() { let html = include_str!("span-tests/demo.html"); let mut files = SimpleFiles::new(); let file_id = files.add("test.html", html); let mut labels = Vec::new(); for token in Tokenizer::new_with_emitter( PosTracker { reader: html.to_reader(), position: 0, }, DefaultEmitter::, Range>::default(), ) .infallible() { if let Token::StartTag(tag) = token { if tag.name == "h1" { labels.push(Label::primary(file_id, tag.name_span).with_message("start tag")); } else if tag.name == "input" { for attr in tag.attributes.values() { labels.push( Label::primary(file_id, attr.name_span.clone()).with_message("attr name"), ); labels.push( Label::primary(file_id, attr.value_span.clone()).with_message("attr value"), ); } } } else if let Token::EndTag(tag) = token { if tag.name == "h1" { labels.push(Label::primary(file_id, tag.name_span).with_message("end tag")); } } else if let Token::Error { error, span } = token { labels.push(Label::primary(file_id, span).with_message(error.to_string())); } } let diagnostic = Diagnostic::note().with_labels(labels); let mut writer = Buffer::no_color(); let config = codespan_reporting::term::Config::default(); term::emit(&mut writer, &config, &files, &diagnostic).unwrap(); let actual = remove_trailing_spaces(std::str::from_utf8(writer.as_slice()).unwrap()); let expected = include_str!("span-tests/demo.out"); if actual != expected { println!( "EXPECTED:\n{banner}\n{expected}{banner}\n\nACTUAL OUTPUT:\n{banner}\n{actual}{banner}", banner = "-".repeat(30), expected = expected, actual = actual ); panic!("failed"); } } fn remove_trailing_spaces(text: &str) -> String { text.lines() .map(|l| l.trim_end()) .collect::>() .join("\n") }