feat: version 2 beta

2025-04-25 22:39:47 +00:00
commit 1e58359905
75 changed files with 6899 additions and 0 deletions
--- a/tests/adapters/store/make-reducer.ts
+++ b/tests/adapters/store/make-reducer.ts
@@ -0,0 +1,120 @@
+import { assertEquals } from "@std/assert";
+import { it } from "@std/testing/bdd";
+import { nanoid } from "nanoid";
+
+import { makeId } from "../../../libraries/nanoid.ts";
+import type { EventStoreFactory } from "../mocks/events.ts";
+import { userPostReducer } from "../mocks/user-posts-reducer.ts";
+import { userReducer } from "../mocks/user-reducer.ts";
+import { describe } from "../utilities/describe.ts";
+
+export default describe<EventStoreFactory>(".makeReducer", (getEventStore) => {
+  it("should create a 'user' reducer and only reduce filtered events", async () => {
+    const { store } = await getEventStore();
+
+    const streamA = nanoid();
+    const streamB = nanoid();
+
+    await store.pushEvent(
+      store.event({
+        stream: streamA,
+        type: "user:created",
+        data: {
+          name: {
+            given: "John",
+            family: "Doe",
+          },
+          email: "john.doe@fixture.none",
+        },
+        meta: {
+          auditor: "system",
+        },
+      }),
+    );
+
+    await store.pushEvent(
+      store.event({
+        stream: streamB,
+        type: "user:created",
+        data: {
+          name: {
+            given: "Peter",
+            family: "Parker",
+          },
+          email: "peter.parker@fixture.none",
+        },
+        meta: {
+          auditor: "system",
+        },
+      }),
+    );
+
+    await store.pushEvent(
+      store.event({
+        stream: streamA,
+        type: "user:name:given-set",
+        data: "Jane",
+        meta: {
+          auditor: "system",
+        },
+      }),
+    );
+
+    await store.pushEvent(
+      store.event({
+        stream: streamA,
+        type: "user:email-set",
+        data: "jane.doe@fixture.none",
+        meta: {
+          auditor: "system",
+        },
+      }),
+    );
+
+    await store.pushEvent(
+      store.event({
+        stream: streamB,
+        type: "user:email-set",
+        data: "spiderman@fixture.none",
+        meta: {
+          auditor: "system",
+        },
+      }),
+    );
+
+    const state = await store.reduce({ name: "user", stream: streamA, reducer: userReducer, filter: { types: ["user:created", "user:email-set"] } });
+
+    assertEquals(state?.name, { given: "John", family: "Doe" });
+    assertEquals(state?.email, "jane.doe@fixture.none");
+  });
+
+  it("should create a 'post:count' reducer and retrieve post correct post count", async () => {
+    const { store, projector } = await getEventStore();
+    const auditor = nanoid();
+
+    projector.on("post:created", async ({ stream, meta: { auditor } }) => {
+      await store.relations.insert(`user:${auditor}:posts`, stream);
+    });
+
+    const post1 = makeId();
+    const post2 = makeId();
+    const post3 = makeId();
+
+    await store.pushEvent(store.event({ stream: post1, type: "post:created", data: { title: "Post #1", body: "Sample #1" }, meta: { auditor } }));
+    await store.pushEvent(store.event({ stream: post2, type: "post:created", data: { title: "Post #2", body: "Sample #2" }, meta: { auditor } }));
+    await store.pushEvent(store.event({ stream: post2, type: "post:removed", meta: { auditor } }));
+    await store.pushEvent(store.event({ stream: post3, type: "post:created", data: { title: "Post #3", body: "Sample #3" }, meta: { auditor } }));
+
+    const events = await store.getEventsByRelations([`user:${auditor}:posts`]);
+
+    assertEquals(events.length, 4);
+
+    const state = await store.reduce({ name: "user", relation: `user:${auditor}:posts`, reducer: userPostReducer });
+
+    assertEquals(state?.posts, [
+      { id: post1, author: auditor },
+      { id: post3, author: auditor },
+    ]);
+    assertEquals(state?.count, 2);
+  });
+});