add test cases for sync Runner

Author: nagpalkaran95

test/unit/bin/helpers/syncRunner.js

@@ -0,0 +1,53 @@
+const chai = require("chai"),
+  sinon = require("sinon"),
+  chaiAsPromised = require("chai-as-promised"),
+  rewire = require("rewire");
+
+const logger = require("../../../../bin/helpers/logger").winstonLogger,
+  testObjects = require("../../support/fixtures/testObjects");
+
+const syncRunner = rewire("../../../../bin/helpers/syncRunner");
+
+chai.use(chaiAsPromised);
+logger.transports["console.info"].silent = true;
+
+logBuildDetails = syncRunner.__get__("logBuildDetails");
+
+describe("syncRunner", () => {
+  var sandbox, winstonLoggerStub;
+
+  beforeEach(() => {
+    sandbox = sinon.createSandbox();
+    winstonLoggerStub = sinon.stub(logger, "log").callsFake(() => {});
+  });
+
+  afterEach(() => {
+    sandbox.restore();
+    sinon.restore();
+  });
+
+  describe("logBuildDetails", () => {
+    let buildDetails = {
+      machines: 10,
+      combinations: 5,
+      dashboard_url: "random_url",
+    };
+
+    it("parallels defined", () => {
+      logBuildDetails(testObjects.sampleBsConfigWithParallels, buildDetails);
+
+      sinon.assert.calledThrice(winstonLoggerStub);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `Browser Combinations: ${buildDetails.combinations}`);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `Run in parallel: enabled (attempting to run on ${buildDetails.machines} machines)`);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `BrowserStack Dashboard: ${buildDetails.dashboard_url}`);
+    });
+    it("parallels not defined", () => {
+      logBuildDetails(testObjects.sampleBsConfig, buildDetails);
+
+      sinon.assert.calledThrice(winstonLoggerStub);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `Browser Combinations: ${buildDetails.combinations}`);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `Run in parallel: disabled`);
+      sinon.assert.calledWithMatch(winstonLoggerStub, 'info', `BrowserStack Dashboard: ${buildDetails.dashboard_url}`);
+    });
+  });
+});