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use cfg_expr::expr::lexer::{Lexer, Token};
macro_rules! test_lex {
($text:expr, [$($token:expr),+$(,)?]) => {
let lexed: Vec<_> = Lexer::new($text).map(|lt| lt.unwrap().token).collect();
let expected = vec![$($token),+];
assert_eq!(lexed, expected);
}
}
#[test]
fn handles_raw() {
test_lex!("key", [Token::Key("key")]);
}
#[test]
fn strips_attribute() {
test_lex!("cfg(key)", [Token::Key("key")]);
}
#[test]
fn handle_key_value() {
test_lex!(
"key = \"value\"",
[Token::Key("key"), Token::Equals, Token::Value("value"),]
);
}
#[test]
fn handle_empty_value() {
test_lex!(
"key = \"\"",
[Token::Key("key"), Token::Equals, Token::Value(""),]
);
}
#[test]
fn handle_short_key() {
test_lex!("k", [Token::Key("k"),]);
}
#[test]
fn handle_cfg_keywords() {
test_lex!(
"all(any(not(anyblah,allnope,notany)))",
[
Token::All,
Token::OpenParen,
Token::Any,
Token::OpenParen,
Token::Not,
Token::OpenParen,
Token::Key("anyblah"),
Token::Comma,
Token::Key("allnope"),
Token::Comma,
Token::Key("notany"),
Token::CloseParen,
Token::CloseParen,
Token::CloseParen,
]
);
}
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