global-methods unit tests

src/global-methods.spec.js

@@ -1,4 +1,77 @@
 import axios from 'axios';
-import '@/global-methods.js';
+import globalMethods from "@/global-methods";
 
-test.todo("Need to add some tests here");
+//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,
+      logApiCall: true
+    };
+  }