Support for register using a seed host (#51)

tests/registrar.test.ts

@@ -0,0 +1,116 @@
+import axios from "axios";
+jest.mock("axios");
+
+const fakeSonos = {
+  register: jest.fn(),
+};
+
+import sonos, { bonobService } from "../src/sonos";
+jest.mock("../src/sonos");
+
+import registrar from "../src/registrar";
+import { URLBuilder } from "../src/url_builder";
+
+describe("registrar", () => {
+  beforeEach(() => {
+    jest.clearAllMocks();
+    jest.resetAllMocks();
+  });
+
+  describe("when the bonob service can not be found", () => {
+    it("should fail", async () => {
+      const status = 409;
+
+      (axios.get as jest.Mock).mockResolvedValue({
+        status,
+      });
+
+      const bonobUrl = new URLBuilder("http://fail.example.com/bonob");
+
+      return expect(registrar(bonobUrl)()).rejects.toEqual(
+        `Unexpected response status ${status} from ${bonobUrl
+          .append({ pathname: "/about" })
+          .href()}`
+      );
+    });
+  });
+
+  describe("when the bonob service returns unexpected content", () => {
+    it("should fail", async () => {
+      (axios.get as jest.Mock).mockResolvedValue({
+        status: 200,
+        // invalid response from /about as does not have name and sid
+        data: {}
+      });
+
+      const bonobUrl = new URLBuilder("http://fail.example.com/bonob");
+
+      return expect(registrar(bonobUrl)()).rejects.toEqual(
+        `Unexpected response from ${bonobUrl
+          .append({ pathname: "/about" })
+          .href()}, expected service.name and service.sid`
+      );
+    });
+  });
+
+  describe("when the bonob service can be found", () => {
+    const bonobUrl = new URLBuilder("http://success.example.com/bonob");
+
+    const serviceDetails = {
+      name: "bob",
+      sid: 123,
+    };
+
+    const service = "service";
+
+    beforeEach(() => {
+      (axios.get as jest.Mock).mockResolvedValue({
+        status: 200,
+        data: {
+          service: serviceDetails,
+        },
+      });
+
+      (bonobService as jest.Mock).mockResolvedValue(service);
+      (sonos as jest.Mock).mockReturnValue(fakeSonos);
+    });
+
+    describe("when registration succeeds", () => {
+      it("should fetch the service details and register", async () => {
+        fakeSonos.register.mockResolvedValue(true);
+        const sonosDiscovery = { auto: true };
+
+        expect(await registrar(bonobUrl, sonosDiscovery)()).toEqual(
+          true
+        );
+
+        expect(bonobService).toHaveBeenCalledWith(
+          serviceDetails.name,
+          serviceDetails.sid,
+          bonobUrl
+        );
+        expect(sonos).toHaveBeenCalledWith(sonosDiscovery);
+        expect(fakeSonos.register).toHaveBeenCalledWith(service);
+      });
+    });
+
+    describe("when registration fails", () => {
+      it("should fetch the service details and register", async () => {
+        fakeSonos.register.mockResolvedValue(false);
+        const sonosDiscovery = { auto: false, seedHost: "192.168.1.163" };
+
+        expect(await registrar(bonobUrl, sonosDiscovery)()).toEqual(
+          false
+        );
+
+        expect(bonobService).toHaveBeenCalledWith(
+          serviceDetails.name,
+          serviceDetails.sid,
+          bonobUrl
+        );
+        expect(sonos).toHaveBeenCalledWith(sonosDiscovery);
+        expect(fakeSonos.register).toHaveBeenCalledWith(service);
+      });
+    });
+  });
+});