Ability to auto-discover sonos devices or find by using a seed ip

tests/hello-world.test.ts

@@ -1,7 +0,0 @@
-import { expect } from "chai";
-
-describe("something", () => {
-  it("fails", () => {
-    expect(true).equal(true);
-  });  
-});

tests/index.test.ts

@@ -0,0 +1,46 @@
+import request from "supertest";
+import makeServer from "../src/server";
+import { SONOS_DISABLED, Sonos } from "../src/sonos";
+
+describe("index", () => {
+  describe("when sonos integration is disabled", () => {
+    const server = makeServer(SONOS_DISABLED);
+
+    describe("devices list", () => {
+      it("should be empty", async () => {
+        const res = await request(server).get("/").send();
+  
+        expect(res.status).toEqual(200);
+        expect(res.text).not.toMatch(/class=device/)
+      });
+    });
+  });
+
+  describe("when sonos integration is enabled", () => {
+    const fakeSonos: Sonos = {
+      devices: () => [{
+        name: "device1",
+        group: "group1",
+        ip: "172.0.0.1",
+        port: 4301
+      },{
+        name: "device2",
+        group: "group2",
+        ip: "172.0.0.2",
+        port: 4302
+      }]
+    }
+
+    const server = makeServer(fakeSonos);
+
+    describe("devices list", () => {
+      it("should contain the devices returned from sonos", async () => {
+        const res = await request(server).get("/").send();
+  
+        expect(res.status).toEqual(200);
+        expect(res.text).toMatch(/device1\s+\(172.0.0.1:4301\)/)
+        expect(res.text).toMatch(/device2\s+\(172.0.0.2:4302\)/)
+      });
+    });
+  });
+});