feat: set beta version

tests/store/providers/relations.ts

@@ -0,0 +1,34 @@
+import { assertEquals } from "@std/assert";
+import { it } from "@std/testing/bdd";
+import { nanoid } from "nanoid";
+
+import type { EventStoreFactory } from "../../mocks/events.ts";
+import { describe } from "../../utilities/describe.ts";
+
+export default describe<EventStoreFactory>("relations", (getEventStore) => {
+  it("should create a new relation", async () => {
+    const { store } = await getEventStore();
+
+    const key = "sample";
+    const stream = nanoid();
+
+    await store.relations.insert(key, stream);
+
+    assertEquals(await store.relations.getByKey(key), [stream]);
+  });
+
+  it("should ignore duplicate relations", async () => {
+    const { store } = await getEventStore();
+
+    const key = "sample";
+    const stream = nanoid();
+
+    await store.relations.insertMany([
+      { key, stream },
+      { key, stream },
+    ]);
+    await store.relations.insert(key, stream);
+
+    assertEquals(await store.relations.getByKey(key), [stream]);
+  });
+});