feat(macros): add #[derive(Integrable)] proc-macro

server/crates/arbiter-macros/tests/integrable.rs

@@ -0,0 +1,25 @@
+use arbiter_crypto::integrity::Integrable;
+
+#[derive(arbiter_macros::Hashable, arbiter_macros::Integrable)]
+#[integrable(kind = "test_entity")]
+struct TestEntity {
+    value: i32,
+}
+
+#[test]
+fn default_version_is_one() {
+    assert_eq!(<TestEntity as Integrable>::VERSION, 1, "default version must be 1");
+    assert_eq!(<TestEntity as Integrable>::KIND, "test_entity");
+}
+
+#[derive(arbiter_macros::Hashable, arbiter_macros::Integrable)]
+#[integrable(kind = "versioned_entity", version = 3)]
+struct VersionedEntity {
+    data: String,
+}
+
+#[test]
+fn explicit_version_attribute() {
+    assert_eq!(<VersionedEntity as Integrable>::VERSION, 3);
+    assert_eq!(<VersionedEntity as Integrable>::KIND, "versioned_entity");
+}