fix tests

Author: ModProg

src/lib.rs

@@ -49,6 +49,7 @@
 //! will copy the behavior of the contained field, e.g. for [`bool`]:
 //!
 //! ```
+//! use syn::{Attribute, parse_quote};
 //! use attribute_derive::FromAttr;
 //!
 //! #[derive(FromAttr, PartialEq, Debug)]    

tests/derive.rs

@@ -256,3 +256,18 @@ fn tuple() {
         Multiple(true, "value".into())
     );
 }
+
+#[test]
+fn attribute_ident_option() {
+    #[derive(FromAttr)]
+    #[attribute(ident = test)]
+    struct Test(String);
+
+    let attr: Attribute = parse_quote!(#[test("hello")]);
+    assert_eq!(
+        Option::<Test>::from_attributes([attr]).unwrap().unwrap().0,
+        "hello"
+    );
+    let attr: Attribute = parse_quote!(#[not_test("hello")]);
+    assert!(Option::<Test>::from_attributes([attr]).unwrap().is_none());
+}