bat/tests/no_duplicate_extensions.rs

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2020-03-15 14:14:01 +01:00
use std::collections::HashSet;
use bat::assets::HighlightingAssets;
#[test]
fn no_duplicate_extensions() {
const KNOWN_EXCEPTIONS: &[&'static str] = &[
// The '.h' extension currently appears in multiple syntaxes: C, C++, Objective C,
// Objective C++
"h",
// In addition to the standard Haskell syntax in 'Packages', we also ship the 'Cabal'
// syntax which comes with a "Haskell (improved)" syntax.
"hs",
// In addition to the standard JavaScript syntax in 'Packages', we also ship the
// 'Javascript (Babel)' syntax.
"js",
// The "Ruby Haml" syntax also comes with a '.sass' extension. However, we make sure
// that 'sass' is mapped to the 'Sass' syntax.
"sass",
];
let assets = HighlightingAssets::from_binary();
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let mut extensions = HashSet::new();
for syntax in assets.syntax_set.syntaxes() {
for extension in &syntax.file_extensions {
assert!(
KNOWN_EXCEPTIONS.contains(&extension.as_str()) || extensions.insert(extension),
"File extension / pattern \"{}\" appears twice in the syntax set",
extension
);
}
}
}