#![cfg(test)]
use super::{SchemaDiff, Severity, diff_schemas};
fn parse(source: &str) -> cratestack_core::Schema {
cratestack_parser::parse_schema(source).expect("schema should parse")
}
pub(super) fn diff(prev: &str, next: &str) -> SchemaDiff {
diff_schemas(&parse(prev), &parse(next))
}
pub(super) fn categories(diff: &SchemaDiff, severity: Severity) -> Vec<&'static str> {
diff.changes
.iter()
.filter(|change| change.severity == severity)
.map(|change| change.category)
.collect()
}