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Rewrite inline parser test infra to generated proper rust test cases

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This commit is contained in:
Lukas Wirth 2024-07-18 10:03:19 +02:00
parent ef462ca88e
commit 7a5bf92b89
503 changed files with 955 additions and 163 deletions
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2
crates/parser/src/grammar/items.rs
View file

@ -388,7 +388,7 @@ fn macro_def(p: &mut Parser<'_>, m: Marker) {
m.complete(p, MACRO_DEF);
}
// test fn
// test fn_
// fn foo() {}
fn fn_(p: &mut Parser<'_>, m: Marker) {
p.bump(T![fn]);

2
crates/parser/src/grammar/types.rs
View file

@ -169,7 +169,7 @@ fn array_or_slice_type(p: &mut Parser<'_>) {
m.complete(p, kind);
}
// test reference_type;
// test reference_type
// type A = &();
// type B = &'static ();
// type C = &mut ();

47
crates/parser/src/tests.rs
View file

@ -11,6 +11,9 @@ use expect_test::expect_file;
use crate::{Edition, LexedStr, TopEntryPoint};
#[path = "../test_data/generated/runner.rs"]
mod runner;
#[test]
fn lex_ok() {
for case in TestCase::list("lexer/ok") {
@ -54,16 +57,6 @@ fn parse_ok() {
}
}
#[test]
fn parse_inline_ok() {
for case in TestCase::list("parser/inline/ok") {
let _guard = stdx::panic_context::enter(format!("{:?}", case.rs));
let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text);
assert!(!errors, "errors in an OK file {}:\n{actual}", case.rs.display());
expect_file![case.rast].assert_eq(&actual);
}
}
#[test]
fn parse_err() {
for case in TestCase::list("parser/err") {
@ -74,16 +67,6 @@ fn parse_err() {
}
}
#[test]
fn parse_inline_err() {
for case in TestCase::list("parser/inline/err") {
let _guard = stdx::panic_context::enter(format!("{:?}", case.rs));
let (actual, errors) = parse(TopEntryPoint::SourceFile, &case.text);
assert!(errors, "no errors in an ERR file {}:\n{actual}", case.rs.display());
expect_file![case.rast].assert_eq(&actual)
}
}
fn parse(entry: TopEntryPoint, text: &str) -> (String, bool) {
let lexed = LexedStr::new(Edition::CURRENT, text);
let input = lexed.to_input();
@ -167,3 +150,27 @@ impl TestCase {
res
}
}
#[track_caller]
fn run_and_expect_no_errors(path: &str) {
let path = PathBuf::from(path);
let text = std::fs::read_to_string(&path).unwrap();
let (actual, errors) = parse(TopEntryPoint::SourceFile, &text);
assert!(!errors, "errors in an OK file {}:\n{actual}", path.display());
let mut p = PathBuf::from("..");
p.push(path);
p.set_extension("rast");
expect_file![p].assert_eq(&actual)
}
#[track_caller]
fn run_and_expect_errors(path: &str) {
let path = PathBuf::from(path);
let text = std::fs::read_to_string(&path).unwrap();
let (actual, errors) = parse(TopEntryPoint::SourceFile, &text);
assert!(errors, "no errors in an ERR file {}:\n{actual}", path.display());
let mut p = PathBuf::from("..");
p.push(path);
p.set_extension("rast");
expect_file![p].assert_eq(&actual)
}