tests/no_duplicate_extensions.rs · bat

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bat/tests/no_duplicate_extensions.rs

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1use std::collections::HashSet;

3use bat::HighlightingAssets;

5#[test]

6fn no_duplicate_extensions() {

7 const KNOWN_EXCEPTIONS: &[&'static str] = &[

8 // The '.h' extension currently appears in multiple syntaxes: C, C++, Objective C,

9 // Objective C++

10 "h",

11 // In addition to the standard Haskell syntax in 'Packages', we also ship the 'Cabal'

12 // syntax which comes with a "Haskell (improved)" syntax.

13 "hs",

14 // In addition to the standard JavaScript syntax in 'Packages', we also ship the

15 // 'Javascript (Babel)' syntax.

16 "js",

17 // The "Ruby Haml" syntax also comes with a '.sass' extension. However, we make sure

18 // that 'sass' is mapped to the 'Sass' syntax.

19 "sass",

20 ];

22 let assets = HighlightingAssets::from_binary();

24 let mut extensions = HashSet::new();

26 for syntax in assets.syntaxes() {

27 for extension in &syntax.file_extensions {

28 assert!(

29 KNOWN_EXCEPTIONS.contains(&extension.as_str()) || extensions.insert(extension),

30 "File extension / pattern \"{}\" appears twice in the syntax set",

31 extension

32 );

33 }

34 }