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Move lexer tests to a #[cfg(test)] mod tests { } modules

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This commit is contained in:
Eryn Wells 2016-12-25 19:23:01 -07:00
parent 81a84a796a
commit 5a28b06434
1 changed files with 41 additions and 34 deletions
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75
src/lexer/mod.rs
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@ -192,43 +192,50 @@ impl Iterator for Lexer {
// UNIT TESTING // UNIT TESTING
// //
#[test] #[cfg(test)]
fn lexer_finds_parens() { mod tests {
let mut lexer = Lexer::new("()"); use std::iter::Iterator;
assert_next_token(&mut lexer, &Token::LeftParen("(".to_string())); use super::*;
assert_next_token(&mut lexer, &Token::RightParen(")".to_string())); use super::token::*;
}
#[test] #[test]
fn lexer_finds_identifiers() { fn lexer_finds_parens() {
let s = "abc"; let mut lexer = Lexer::new("()");
let mut lexer = Lexer::new(s); assert_next_token(&mut lexer, &Token::LeftParen("(".to_string()));
assert_next_token(&mut lexer, &Token::Identifier(s.to_string())); assert_next_token(&mut lexer, &Token::RightParen(")".to_string()));
} }
#[test] #[test]
fn lexer_finds_booleans() { fn lexer_finds_identifiers() {
let mut lexer = Lexer::new("#t #f"); let s = "abc";
assert_next_token(&mut lexer, &Token::Boolean(true)); let mut lexer = Lexer::new(s);
assert_next_token(&mut lexer, &Token::Boolean(false)); assert_next_token(&mut lexer, &Token::Identifier(s.to_string()));
} }
#[test] #[test]
fn lexer_finds_comments() { fn lexer_finds_booleans() {
let s = "; a comment"; let mut lexer = Lexer::new("#t #f");
let mut lexer = Lexer::new(s); assert_next_token(&mut lexer, &Token::Boolean(true));
assert_next_token(&mut lexer, &Token::Comment(s.to_string())); assert_next_token(&mut lexer, &Token::Boolean(false));
} }
#[test] #[test]
fn lexer_finds_strings() { fn lexer_finds_comments() {
let mut lexer = Lexer::new("\"\""); let s = "; a comment";
assert_next_token(&mut lexer, &Token::String("\"\"".to_string())); let mut lexer = Lexer::new(s);
let mut lexer = Lexer::new("\"abc\""); assert_next_token(&mut lexer, &Token::Comment(s.to_string()));
assert_next_token(&mut lexer, &Token::String("\"abc\"".to_string())); }
}
fn assert_next_token(lexer: &mut Lexer, expected: &Token) { #[test]
let lex = lexer.next().unwrap(); fn lexer_finds_strings() {
assert_eq!(lex.token, *expected); let mut lexer = Lexer::new("\"\"");
assert_next_token(&mut lexer, &Token::String("\"\"".to_string()));
let mut lexer = Lexer::new("\"abc\"");
assert_next_token(&mut lexer, &Token::String("\"abc\"".to_string()));
}
fn assert_next_token(lexer: &mut Lexer, expected: &Token) {
let lex = lexer.next().unwrap();
assert_eq!(lex.token, *expected);
}
} }