add tests for the api

api-proc-macro/Cargo.toml

@@ -15,5 +15,5 @@ quote = { workspace = true }
 syn = { workspace = true }
 
 [dev-dependencies]
-trybuild = { workspace = true }
 api = { path = "../api" }
+trybuild = { workspace = true }

api-proc-macro/src/into_command_definition.rs

@@ -70,10 +70,7 @@ pub fn derive_into_command_definition_impl(
             });
             quote! { #(#field_entries)* }
         }
-        Fields::Unnamed(fields) => abort!(
-            fields,
-            "IntoCommandDefinition not supported for unnamed structs"
-        ),
+        Fields::Unnamed(_) => unreachable!("Already checked this"),
         Fields::Unit => quote! {},
     };
     let param_name_stream = match &data.fields {
@@ -84,10 +81,7 @@ pub fn derive_into_command_definition_impl(
             });
             quote! { #(#field_entries)* }
         }
-        Fields::Unnamed(fields) => abort!(
-            fields,
-            "IntoCommandDefinition not supported for unnamed structs"
-        ),
+        Fields::Unnamed(_) => unreachable!("Already checked this"),
         Fields::Unit => quote! {},
     };
 

api-proc-macro/tests/test_derive_macro_into_command_definition.rs

@@ -149,3 +149,22 @@ fn test_generic_command() {
     .unwrap();
     assert_eq!(result.a, true);
 }
+
+#[test]
+fn test_unit_command() {
+    #[derive(IntoCommandDefinition)]
+    struct TestStruct;
+
+    let command_definition = TestStruct::create("Test".to_string());
+
+    assert_eq!(command_definition.name, "Test");
+    assert_eq!(command_definition.parameters.capacity(), 0);
+
+    TestStruct::parse(Command {
+        header: CommandHeader {
+            timestamp: Default::default(),
+        },
+        parameters: HashMap::new(),
+    })
+    .unwrap();
+}