Fixed stubs for test suite

Closes: #1280
Change-type: patch
Signed-off-by: Miguel Casqueira <miguel@balena.io>

test/00-init.ts

@@ -6,30 +6,31 @@ process.env.DATABASE_PATH_2 = './test/data/database2.sqlite';
 process.env.DATABASE_PATH_3 = './test/data/database3.sqlite';
 process.env.LED_FILE = './test/data/led_file';
 
+import * as dbus from 'dbus';
+import { DBusError, DBusInterface } from 'dbus';
 import { stub } from 'sinon';
 
-import * as dbus from 'dbus';
-
-// Stub the dbus objects to dynamically generate the methods
-// on request
 stub(dbus, 'getBus').returns({
 	getInterface: (
-		_obj: unknown,
-		cb: (err: Error | undefined, iface: dbus.DBusInterface) => void,
+		_serviceName: string,
+		_objectPath: string,
+		_interfaceName: string,
+		interfaceCb: (err: null | DBusError, iface: DBusInterface) => void,
 	) => {
-		return cb(
-			undefined,
-			new Proxy(
-				{},
-				{
-					get(_target, name) {
-						console.log(`Dbus method ${String(name)} requested`);
-						return () => {
-							/* noop */
-						};
-					},
-				},
-			) as any,
-		);
+		interfaceCb(null, {
+			Get: (
+				_unitName: string,
+				_property: string,
+				getCb: (err: null | Error, value: unknown) => void,
+			) => {
+				getCb(null, 'this is the value');
+			},
+			GetUnit: (
+				_unitName: string,
+				getUnitCb: (err: null | Error, unitPath: string) => void,
+			) => {
+				getUnitCb(null, 'this is the unit path');
+			},
+		} as any);
 	},
 } as any);

test/18-startup.ts

@@ -1,10 +1,52 @@
+import { SinonStub, stub } from 'sinon';
+
+import APIBinder from '../src/api-binder';
+import { ApplicationManager } from '../src/application-manager';
+import DeviceState from '../src/device-state';
+import * as constants from '../src/lib/constants';
+import { DockerUtils as Docker } from '../src/lib/docker-utils';
 import { Supervisor } from '../src/supervisor';
 import { expect } from './lib/chai-config';
 
 describe('Startup', () => {
-	it('should startup correctly', function() {
+	let initClientStub: SinonStub;
+	let startStub: SinonStub;
+	let vpnStatusPathStub: SinonStub;
+	let appManagerStub: SinonStub;
+	let deviceStateStub: SinonStub;
+	let dockerStub: SinonStub;
+
+	before(() => {
+		initClientStub = stub(APIBinder.prototype as any, 'initClient').returns(
+			Promise.resolve(),
+		);
+		startStub = stub(APIBinder.prototype as any, 'start').returns(
+			Promise.resolve(),
+		);
+		appManagerStub = stub(ApplicationManager.prototype, 'init').returns(
+			Promise.resolve(),
+		);
+		vpnStatusPathStub = stub(constants, 'vpnStatusPath').returns('');
+		deviceStateStub = stub(DeviceState.prototype as any, 'applyTarget').returns(
+			Promise.resolve(),
+		);
+		dockerStub = stub(Docker.prototype, 'listContainers').returns(
+			Promise.resolve([]),
+		);
+	});
+
+	after(() => {
+		initClientStub.restore();
+		startStub.restore();
+		appManagerStub.restore();
+		vpnStatusPathStub.restore();
+		deviceStateStub.restore();
+		dockerStub.restore();
+	});
+
+	it('should startup correctly', async () => {
 		const supervisor = new Supervisor();
-		expect(supervisor.init()).to.not.throw;
+		expect(await supervisor.init()).to.not.throw;
 		// Cast as any to access private properties
 		const anySupervisor = supervisor as any;
 		expect(anySupervisor.db).to.not.be.null;