Add environment variable checks and refactor live preview tests

Author: harshithad0703

test/config.js

@@ -1,6 +1,20 @@
 'use strict';
 require('dotenv').config()
 
+const requiredVars = ['API_KEY', 'DELIVERY_TOKEN', 'ENVIRONMENT', 'HOST'];
+const missingVars = requiredVars.filter((key) => !process.env[key]);
+
+if (missingVars.length > 0) {
+    const errorMessage = `\x1b[31mError: Missing environment variables - ${missingVars.join(', ')}`;
+    
+    if (process.env.NODE_ENV === 'test' || process.env.JEST_WORKER_ID !== undefined) {
+        throw new Error(errorMessage);
+    } else {
+        console.error(errorMessage);
+        process.exit(1);
+    }
+}
+
 module.exports = {
     stack: { 'api_key': process.env.API_KEY, 'delivery_token': process.env.DELIVERY_TOKEN, 'environment': process.env.ENVIRONMENT,  },
     host: process.env.HOST,

test/live-preview/live-preview-test.js

@@ -1,11 +1,13 @@
 'use strict';
+const init = require("../config.js");
 
 const Contentstack = require('../../dist/node/contentstack.js');
 
 describe('Contentstack Live Preview Tests', () => {
   test('should check for values initialized', () => {
+    const stack1 = Contentstack.Stack(init.stack)
     const stack = Contentstack.Stack({
-      'api_key': process.env.region_API_KEY, 
+      'api_key': process.env.API_KEY, 
       'delivery_token': process.env.DELIVERY_TOKEN, 
       'environment': process.env.ENVIRONMENT
     });
@@ -16,15 +18,9 @@ describe('Contentstack Live Preview Tests', () => {
   });
 
   test('should check host when live preview is enabled and management token is provided', () => {
-    const stack = Contentstack.Stack({
-      'api_key': process.env.API_KEY, 
-      'delivery_token': process.env.DELIVERY_TOKEN, 
-      'environment': process.env.ENVIRONMENT,
-      live_preview: {
-        enable: true,
-        management_token: 'management_token'
-      }
-    });
+    init.stack.live_preview.enable = true;
+    init.stack.live_preview.management_token = 'management_token';
+    const stack = Contentstack.Stack(init.stack);
 
     const livePreviewObject = stack.config.live_preview;
     expect(livePreviewObject).not.toBe('undefined');
@@ -34,15 +30,9 @@ describe('Contentstack Live Preview Tests', () => {
   });
 
   test('should check host when live preview is disabled and management token is provided', () => {
-    const stack = Contentstack.Stack({
-      'api_key': process.env.API_KEY, 
-      'delivery_token': process.env.DELIVERY_TOKEN, 
-      'environment': process.env.ENVIRONMENT,
-      live_preview: {
-        enable: false,
-        management_token: 'management_token'
-      }
-    });
+    init.stack.live_preview.enable = false;
+    init.stack.live_preview.management_token = 'management_token';
+    const stack = Contentstack.Stack(init.stack);
 
     const livePreviewObject = stack.config.live_preview;
     expect(livePreviewObject).not.toBe('undefined');
@@ -51,15 +41,9 @@ describe('Contentstack Live Preview Tests', () => {
   });
 
   test('should check host when live preview is enabled and preview token is provided', () => {
-    const stack = Contentstack.Stack({
-      'api_key': process.env.API_KEY, 
-      'delivery_token': process.env.DELIVERY_TOKEN, 
-      'environment': process.env.ENVIRONMENT,
-      live_preview: {
-        enable: true,
-        preview_token: 'preview_token'
-      }
-    });
+    init.stack.live_preview.enable = true;
+    init.stack.live_preview.preview_token = 'preview_token';
+    const stack = Contentstack.Stack(init.stack);
 
     const livePreviewObject = stack.config.live_preview;
     expect(livePreviewObject).not.toBe('undefined');
@@ -70,15 +54,9 @@ describe('Contentstack Live Preview Tests', () => {
   });
 
   test('should check host when live preview is disabled and preview token is provided', () => {
-    const stack = Contentstack.Stack({
-      'api_key': process.env.API_KEY, 
-      'delivery_token': process.env.DELIVERY_TOKEN, 
-      'environment': process.env.ENVIRONMENT,
-      live_preview: {
-        enable: false,
-        preview_token: 'preview_token'
-      }
-    });
+    init.stack.live_preview.enable = false;
+    init.stack.live_preview.preview_token = 'preview_token';
+    const stack = Contentstack.Stack(init.stack);
 
     const livePreviewObject = stack.config.live_preview;
     expect(livePreviewObject).not.toBe('undefined');