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test(rust): prefer asserts to panics

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This commit is contained in:
Amaan Qureshi 2025-09-22 21:07:33 -04:00 • committed by Amaan Qureshi
parent b0cdab85fe
commit ce56465197
6 changed files with 42 additions and 43 deletions
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15
crates/generate/src/prepare_grammar/extract_tokens.rs
View file

@ -591,14 +591,13 @@ mod test {
]);
grammar.external_tokens = vec![Variable::named("rule_1", Rule::non_terminal(1))];
match extract_tokens(grammar) {
Err(e) => {
assert_eq!(e.to_string(), "Rule 'rule_1' cannot be used as both an external token and a non-terminal rule");
}
_ => {
panic!("Expected an error but got no error");
}
}
let result = extract_tokens(grammar);
assert!(result.is_err(), "Expected an error but got no error");
let err = result.err().unwrap();
assert_eq!(
err.to_string(),
"Rule 'rule_1' cannot be used as both an external token and a non-terminal rule"
);
}
#[test]

7
crates/generate/src/prepare_grammar/intern_symbols.rs
View file

@ -279,10 +279,9 @@ mod tests {
fn test_grammar_with_undefined_symbols() {
let result = intern_symbols(&build_grammar(vec![Variable::named("x", Rule::named("y"))]));
match result {
Err(e) => assert_eq!(e.to_string(), "Undefined symbol `y`"),
_ => panic!("Expected an error but got none"),
}
assert!(result.is_err(), "Expected an error but got none");
let e = result.err().unwrap();
assert_eq!(e.to_string(), "Undefined symbol `y`");
}
fn build_grammar(variables: Vec<Variable>) -> InputGrammar {

9
crates/generate/src/prepare_grammar/process_inlines.rs
View file

@ -549,10 +549,9 @@ mod tests {
..Default::default()
};
if let Err(error) = process_inlines(&grammar, &lexical_grammar) {
assert_eq!(error.to_string(), "Token `something` cannot be inlined");
} else {
panic!("expected an error, but got none");
}
let result = process_inlines(&grammar, &lexical_grammar);
assert!(result.is_err(), "expected an error, but got none");
let err = result.err().unwrap();
assert_eq!(err.to_string(), "Token `something` cannot be inlined",);
}
}