Added global-methods unit tests

src/global-methods.js

@@ -29,8 +29,11 @@ export default {
       );
     });
   },
-  // For mock use only!
+
+  
+  /* istanbul ignore next */
   callMockHttpClient({ method, endpoint}) {
+    // For Mock use only!
     return new Promise((resolve, reject) => {
 
       axios({

src/global-methods.spec.js

@@ -0,0 +1,73 @@
+import globalMethods from "@/global-methods";
+import axios from 'axios';
+
+//Mock external dependencies
+jest.mock('axios');
+
+it("Global Methods - Call Http Client - Should Resolve Promise", () => {
+    //Arrange
+    const endpoint = 'https://mock.safelite.com';
+    const httpArgs = setupMocksForHttpClient({ endpoint: endpoint });
+
+    //Act
+    globalMethods.callHttpClient(httpArgs)
+        .then((response) => {
+
+            //Assert
+            expect(axios.mock.calls[0][0].url).toContain(endpoint);
+            expect(response.data.message).toContain('Success');
+            expect(response.status).toEqual(200);
+        });
+});
+
+it("Global Methods - Call Http Client - Should Reject Promise", () => {
+    //Arrange
+    const endpoint = 'https://mock.safelite.com';
+    const httpArgs = setupMocksForHttpClient({ endpoint: endpoint, isError: true });
+
+    //Act
+    globalMethods.callHttpClient(httpArgs)
+        .catch((err) => {
+            //Assert
+            expect(axios.mock.calls[0][0].url).toContain(endpoint);
+            expect(err.data.message).toContain('Error');
+            expect(err.status).toEqual(500);
+        });
+});
+
+function setupMocksForHttpClient({ endpoint = null, isError = false, additionalData = null }) {
+
+    //Clear node module
+    axios.mockClear();
+
+    // Success Response
+    const response = { 
+        status: 200,
+        data: {
+            message: 'Success',
+            additionalData: additionalData
+        }
+    };
+
+    // Error Response
+    const error = {
+        response: { 
+            status: 500,
+            data: {
+                message: 'Error',
+                additionalData: additionalData
+            }
+        }
+    }
+
+    // Error interceptor on Axios returns a different object, so we need to mimic that.
+    if (isError) {
+        axios.mockRejectedValue(error);
+    } else {
+        axios.mockResolvedValue(response);
+    }
+
+    return {
+        endpoint: endpoint
+    }
+}