[server] Publish events during workspace starter

Author: easyCZ

components/server/src/redis/publisher.spec.ts

@@ -0,0 +1,47 @@
+/**
+ * Copyright (c) 2022 Gitpod GmbH. All rights reserved.
+ * Licensed under the GNU Affero General Public License (AGPL).
+ * See License.AGPL.txt in the project root for license information.
+ */
+
+import { suite, test } from "@testdeck/mocha";
+import * as chai from "chai";
+import { RedisPublisher } from "./publisher";
+import { Metrics } from "../metrics";
+import { RedisClient } from "./client";
+import { Container, ContainerModule } from "inversify";
+
+const expect = chai.expect;
+const Redis = require("ioredis-mock");
+
+@suite
+class TestRedisPublisher {
+    protected container: Container;
+
+    public before() {
+        const client = {
+            get: () => new Redis(),
+        } as RedisClient;
+
+        this.container = new Container();
+        this.container.load(
+            new ContainerModule((bind) => {
+                bind(Metrics).toSelf().inSingletonScope();
+                bind(RedisClient).toConstantValue(client);
+                bind(RedisPublisher).toSelf().inSingletonScope();
+            }),
+        );
+    }
+
+    @test public publishInstanceUpdate() {
+        const publisher = this.container.get(RedisPublisher);
+        expect(() => {
+            publisher.publishInstanceUpdate({
+                ownerID: "123-owner",
+                instanceID: "123",
+                workspaceID: "foo-bar-123",
+            });
+        }).not.to.throw;
+    }
+}
+module.exports = new TestRedisPublisher();