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tests for lex and lite parser

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This commit is contained in:
Fernando Herrera
2021-08-30 19:36:07 +01:00
parent 24cd1b591c
commit b3fb106cce
8 changed files with 1072 additions and 256 deletions
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136
crates/nu-parser/src/parser.rs
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@ -1956,7 +1956,7 @@ impl<'a> ParserWorkingSet<'a> {
error = error.or(err);
// Check to see if we have parameters
let params = if matches!(
let _params = if matches!(
output.first(),
Some(Token {
contents: TokenContents::Pipe,
@ -2601,137 +2601,3 @@ impl<'a> ParserWorkingSet<'a> {
(output, error)
}
}
#[cfg(test)]
mod tests {
use crate::{ParseError, ParserState, Signature};
use super::*;
#[test]
pub fn parse_int() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let (block, err) = working_set.parse_source(b"3", true);
assert!(err.is_none());
assert!(block.len() == 1);
assert!(matches!(
block[0],
Statement::Expression(Expression {
expr: Expr::Int(3),
..
})
));
}
#[test]
pub fn parse_call() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
working_set.add_decl(sig.into());
let (block, err) = working_set.parse_source(b"foo", true);
assert!(err.is_none());
assert!(block.len() == 1);
match &block[0] {
Statement::Expression(Expression {
expr: Expr::Call(call),
..
}) => {
assert_eq!(call.decl_id, 0);
}
_ => panic!("not a call"),
}
}
#[test]
pub fn parse_call_missing_flag_arg() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo --jazz", true);
assert!(matches!(err, Some(ParseError::MissingFlagParam(..))));
}
#[test]
pub fn parse_call_missing_short_flag_arg() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'));
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo -j", true);
assert!(matches!(err, Some(ParseError::MissingFlagParam(..))));
}
#[test]
pub fn parse_call_too_many_shortflag_args() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo")
.named("--jazz", SyntaxShape::Int, "jazz!!", Some('j'))
.named("--math", SyntaxShape::Int, "math!!", Some('m'));
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo -mj", true);
assert!(matches!(
err,
Some(ParseError::ShortFlagBatchCantTakeArg(..))
));
}
#[test]
pub fn parse_call_unknown_shorthand() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").switch("--jazz", "jazz!!", Some('j'));
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo -mj", true);
assert!(matches!(err, Some(ParseError::UnknownFlag(..))));
}
#[test]
pub fn parse_call_extra_positional() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").switch("--jazz", "jazz!!", Some('j'));
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo -j 100", true);
assert!(matches!(err, Some(ParseError::ExtraPositional(..))));
}
#[test]
pub fn parse_call_missing_req_positional() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig = Signature::build("foo").required("jazz", SyntaxShape::Int, "jazz!!");
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo", true);
assert!(matches!(err, Some(ParseError::MissingPositional(..))));
}
#[test]
pub fn parse_call_missing_req_flag() {
let parser_state = ParserState::new();
let mut working_set = ParserWorkingSet::new(&parser_state);
let sig =
Signature::build("foo").required_named("--jazz", SyntaxShape::Int, "jazz!!", None);
working_set.add_decl(sig.into());
let (_, err) = working_set.parse_source(b"foo", true);
assert!(matches!(err, Some(ParseError::MissingRequiredFlag(..))));
}
}