blockwatch 0.3.3

Language agnostic linter that keeps your code and documentation in sync and valid
Documentation 
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use crate::block_parser::{BlocksFromCommentsParser, BlocksParser};
use crate::language_parsers::{CommentsParser, python_style_comments_parser};

/// Returns a [`BlocksParser`] for Python.
pub(super) fn parser() -> anyhow::Result<impl BlocksParser> {
    Ok(BlocksFromCommentsParser::new(comments_parser()?))
}

fn comments_parser() -> anyhow::Result<impl CommentsParser> {
    let python_language = tree_sitter_python::LANGUAGE.into();
    let parser = python_style_comments_parser(&python_language, "comment");
    Ok(parser)
}

#[cfg(test)]
mod tests {
    use super::*;
    use crate::{Position, language_parsers::Comment};

    #[test]
    fn parses_comments_correctly() -> anyhow::Result<()> {
        let mut comments_parser = comments_parser()?;

        let blocks: Vec<Comment> = comments_parser
            .parse(
                r#"
def main():
    # This is a single line comment
    print("Hello")  # This is an inline comment

# This is a multi-line
# comment that spans
# several lines

value = 42  # Comment after code
"#,
            )
            .collect();

        assert_eq!(
            blocks,
            vec![
                Comment {
                    position_range: Position::new(3, 5)..Position::new(3, 36),
                    source_range: 17..48,
                    comment_text: "  This is a single line comment".to_string()
                },
                Comment {
                    position_range: Position::new(4, 21)..Position::new(4, 48),
                    source_range: 69..96,
                    comment_text: "  This is an inline comment".to_string()
                },
                Comment {
                    position_range: Position::new(6, 1)..Position::new(6, 23),
                    source_range: 98..120,
                    comment_text: "  This is a multi-line".to_string()
                },
                Comment {
                    position_range: Position::new(7, 1)..Position::new(7, 21),
                    source_range: 121..141,
                    comment_text: "  comment that spans".to_string()
                },
                Comment {
                    position_range: Position::new(8, 1)..Position::new(8, 16),
                    source_range: 142..157,
                    comment_text: "  several lines".to_string()
                },
                Comment {
                    position_range: Position::new(10, 13)..Position::new(10, 33),
                    source_range: 171..191,
                    comment_text: "  Comment after code".to_string()
                },
            ]
        );

        Ok(())
    }
}