saola-psl 0.1.0

Prisma Schema Language parser and AST for Saola ORM
Documentation 
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pub(crate) fn panic_with_diff(expected: &str, found: &str, name: Option<&str>) {
    let title = name
        .map(|name| format!("Snapshot '{name}'"))
        .unwrap_or("Snapshot".to_owned());
    let chunks = dissimilar::diff(expected, found);
    let diff = format_chunks(chunks);
    panic!(
        r#"
${title} comparison failed. Run the test again with UPDATE_EXPECT=1 in the environment to update the snapshot.

===== EXPECTED ====
{expected}
====== FOUND ======
{found}
======= DIFF ======
{diff}
        "#
    );
}

fn format_chunks(chunks: Vec<dissimilar::Chunk<'_>>) -> String {
    let mut buf = String::new();
    for chunk in chunks {
        let formatted = match chunk {
            dissimilar::Chunk::Equal(text) => text.into(),
            dissimilar::Chunk::Delete(text) => format!("\x1b[41m{text}\x1b[0m"),
            dissimilar::Chunk::Insert(text) => format!("\x1b[42m{text}\x1b[0m"),
        };
        buf.push_str(&formatted);
    }
    buf
}