- add validation for custom domain

Author: Valodya

src/index.js

@@ -56,6 +56,17 @@ const parseInitConfig = (...args) => {
   }
 }
 
+const validateConfig = config => {
+  if (config.domain) {
+    if (!config.domain.startsWith('https://') && !config.domain.startsWith('http://')) {
+      throw new Error(
+        'When initialize the SDK with a custom domain it should start with http:// or https://, ' +
+        'for example: Backendless.initApp(\'https://foobar.com\')'
+      )
+    }
+  }
+}
+
 const SERVICES = {
   'Logging'     : () => require('./logging').default,
   'Counters'    : () => require('./counters').default,
@@ -113,6 +124,8 @@ class Backendless {
   initApp() {
     const config = parseInitConfig(...arguments)
 
+    validateConfig(config)
+
     const app = config.standalone
       ? new Backendless(this)
       : this

test/unit/specs/namespace.js

@@ -102,6 +102,22 @@ describe('Namespace', function() {
       expect(Backendless.appPath).to.be.equal(`${CUSTOM_DOMAIN}/my-api-uri`)
       expect(Backendless.apiURI).to.be.equal('/my-api-uri')
     })
+
+    it('should fails with custom domain which does not start on https or http', () => {
+      const errorMsg = (
+        'When initialize the SDK with a custom domain it should start with http:// or https://, ' +
+        'for example: Backendless.initApp(\'https://foobar.com\')'
+      )
+
+      expect(() => Backendless.initApp('foobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('httpsfoobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('https:foobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('https:/foobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('httpfoobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('http:foobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('http:/foobar.com')).to.throw(errorMsg)
+      expect(() => Backendless.initApp('file://foobar.com')).to.throw(errorMsg)
+    })
   })
 
   describe('Debug Mode', () => {