Simplify proc_macro_srv tests

This commit is contained in:
Jonas Schievink 2021-05-31 17:32:56 +02:00
parent 70e347332d
commit cfcadcb295
6 changed files with 119 additions and 244 deletions

View file

@ -2,64 +2,86 @@
#[macro_use]
mod utils;
use test_utils::assert_eq_text;
use expect_test::expect;
use utils::*;
#[test]
fn test_derive_serialize_proc_macro() {
fn test_derive_empty() {
assert_expand("DeriveEmpty", r#"struct S;"#, expect![[r#"SUBTREE $"#]]);
}
#[test]
fn test_derive_error() {
assert_expand(
"serde_derive",
"Serialize",
"1.0",
r"struct Foo {}",
include_str!("fixtures/test_serialize_proc_macro.txt"),
"DeriveError",
r#"struct S;"#,
expect![[r##"
SUBTREE $
IDENT compile_error 4294967295
PUNCH ! [alone] 4294967295
SUBTREE () 4294967295
LITERAL "#[derive(DeriveError)] struct S ;" 4294967295
PUNCH ; [alone] 4294967295"##]],
);
}
#[test]
fn test_derive_serialize_proc_macro_failed() {
fn test_fn_like_macro() {
assert_expand(
"serde_derive",
"Serialize",
"1.0",
r"struct {}",
r##"
SUBTREE $
IDENT compile_error 4294967295
PUNCH ! [alone] 4294967295
SUBTREE {} 4294967295
LITERAL "expected identifier" 4294967295
"##,
"fn_like_noop",
r#"ident, 0, 1, []"#,
expect![[r#"
SUBTREE $
IDENT ident 4294967295
PUNCH , [alone] 4294967295
LITERAL 0 4294967295
PUNCH , [alone] 4294967295
LITERAL 1 4294967295
PUNCH , [alone] 4294967295
SUBTREE [] 4294967295"#]],
);
}
#[test]
fn test_derive_proc_macro_list() {
let res = list("serde_derive", "1").join("\n");
assert_eq_text!(
r#"Serialize [CustomDerive]
Deserialize [CustomDerive]"#,
&res
fn test_attr_macro() {
// Corresponds to
// #[proc_macro_test::attr_error(some arguments)]
// mod m {}
assert_expand_attr(
"attr_error",
r#"mod m {}"#,
r#"some arguments"#,
expect![[r##"
SUBTREE $
IDENT compile_error 4294967295
PUNCH ! [alone] 4294967295
SUBTREE () 4294967295
LITERAL "#[attr_error(some arguments)] mod m {}" 4294967295
PUNCH ; [alone] 4294967295"##]],
);
}
/// Tests that we find and classify non-derive macros correctly.
/// Tests that we find and classify all proc macros correctly.
#[test]
fn list_test_macros() {
let res = list("proc_macro_test", "0.0.0").join("\n");
let res = list().join("\n");
assert_eq_text!(
r#"function_like_macro [FuncLike]
attribute_macro [Attr]
DummyTrait [CustomDerive]"#,
&res
);
expect![[r#"
fn_like_noop [FuncLike]
fn_like_panic [FuncLike]
fn_like_error [FuncLike]
attr_noop [Attr]
attr_panic [Attr]
attr_error [Attr]
DeriveEmpty [CustomDerive]
DerivePanic [CustomDerive]
DeriveError [CustomDerive]"#]]
.assert_eq(&res);
}
#[test]
fn test_version_check() {
let path = fixtures::dylib_path("proc_macro_test", "0.0.0");
let path = fixtures::proc_macro_test_dylib_path();
let info = proc_macro_api::read_dylib_info(&path).unwrap();
assert!(info.version.1 >= 50);
}