feat: convert network-topology to a full plugin (B1)

plugins/network-topology/tests/backend/repository.test.ts

@@ -0,0 +1,55 @@
+import { afterEach, beforeEach, describe, expect, it } from "vitest";
+import { createTestDb, type TestDb } from "@termix/plugin-sdk/testing";
+import { graphs } from "../../src/backend/tables.js";
+import {
+  createGraphRepository,
+  type GraphRepository,
+} from "../../src/backend/repository.js";
+import { pluginDir } from "./helpers";
+
+let db: TestDb;
+let repo: GraphRepository;
+
+beforeEach(async () => {
+  db = await createTestDb(pluginDir, {
+    before: (sqlite) =>
+      sqlite.exec("INSERT INTO users (id) VALUES ('user-1'), ('user-2')"),
+  });
+  repo = createGraphRepository(db.database, await db.database.define(graphs));
+});
+
+afterEach(() => db.close());
+
+describe("graph repository", () => {
+  it("finds, creates, and updates topology by user id", async () => {
+    expect(await repo.findByUserId("user-1")).toBeNull();
+
+    await repo.upsertForUser(
+      "user-1",
+      JSON.stringify({ nodes: [{ id: "host-1" }], edges: [] }),
+    );
+    expect(await repo.findByUserId("user-1")).toMatchObject({
+      userId: "user-1",
+      topology: '{"nodes":[{"id":"host-1"}],"edges":[]}',
+    });
+
+    await repo.upsertForUser(
+      "user-1",
+      JSON.stringify({ nodes: [], edges: [{ id: "edge-1" }] }),
+    );
+    expect(await repo.findByUserId("user-1")).toMatchObject({
+      userId: "user-1",
+      topology: '{"nodes":[],"edges":[{"id":"edge-1"}]}',
+    });
+  });
+
+  it("keeps rows for different users separate", async () => {
+    await repo.upsertForUser("user-1", '{"nodes":[]}');
+    await repo.upsertForUser("user-2", '{"nodes":["a"]}');
+
+    expect((await repo.findByUserId("user-1"))?.topology).toBe('{"nodes":[]}');
+    expect((await repo.findByUserId("user-2"))?.topology).toBe(
+      '{"nodes":["a"]}',
+    );
+  });
+});