rust/src/test/parser.rs
2020-11-02 18:31:51 -06:00

58 lines
1.8 KiB
Rust

use std::io;
use std::path::PathBuf;
use super::read_config;
use crate::modules::{ModuleResolutionError, ModuleResolutionErrorKind};
use crate::{ErrorKind, Input, Session};
#[test]
fn parser_errors_in_submods_are_surfaced() {
// See also https://github.com/rust-lang/rustfmt/issues/4126
let filename = "tests/parser/issue-4126/lib.rs";
let input_file = PathBuf::from(filename);
let exp_mod_name = "invalid";
let config = read_config(&input_file);
let mut session = Session::<io::Stdout>::new(config, None);
if let Err(ErrorKind::ModuleResolutionError(ModuleResolutionError { module, kind })) =
session.format(Input::File(filename.into()))
{
assert_eq!(&module, exp_mod_name);
if let ModuleResolutionErrorKind::ParseError {
file: unparseable_file,
} = kind
{
assert_eq!(
unparseable_file,
PathBuf::from("tests/parser/issue-4126/invalid.rs"),
);
} else {
panic!("Expected parser error");
}
} else {
panic!("Expected ModuleResolution operation error");
}
}
fn assert_parser_error(filename: &str) {
let file = PathBuf::from(filename);
let config = read_config(&file);
let mut session = Session::<io::Stdout>::new(config, None);
let _ = session.format(Input::File(filename.into())).unwrap();
assert!(session.has_parsing_errors());
}
#[test]
fn parser_creation_errors_on_entry_new_parser_from_file_panic() {
// See also https://github.com/rust-lang/rustfmt/issues/4418
let filename = "tests/parser/issue_4418.rs";
assert_parser_error(filename);
}
#[test]
fn crate_parsing_errors_on_unclosed_delims() {
// See also https://github.com/rust-lang/rustfmt/issues/4466
let filename = "tests/parser/unclosed-delims/issue_4466.rs";
assert_parser_error(filename);
}