feat(validation): make length validation more robust

haryelramalho · Jul 17, 2016 · 237dff4 · 237dff4
1 parent cfcdc28
commit 237dff4
Showing 1 changed file with 12 additions and 2 deletions.
diff --git a/src/cep-promise.js b/src/cep-promise.js
@@ -7,16 +7,17 @@ import { get as _get } from 'lodash'
 export default function (cepRawValue) {
   return new Promise((resolve, reject) => {
     Promise.resolve(cepRawValue)
-      .then(validateInput)
+      .then(validateInputType)
       .then(removeSpecialCharacters)
+      .then(validateInputLength)
       .then(leftPadWithZeros)
       .then(fetchCorreiosService)
       .then(parseXML)
       .then(extractValuesFromParsedXML)
       .then(finish)
       .catch(handleError)
 
-    function validateInput (cepRawValue) {
+    function validateInputType (cepRawValue) {
       var cepTypeOf = typeof cepRawValue
 
       if (cepTypeOf === 'number' || cepTypeOf === 'string') {
@@ -42,6 +43,15 @@ export default function (cepRawValue) {
       return cepWithLeftPad
     }
 
+    function validateInputLength (cepWithLeftPad) {
+
+      if (cepWithLeftPad.length <= 8) {
+        return cepWithLeftPad
+      }
+
+      throw new TypeError('Cep deve conter exatamente 8 caracteres')
+    }
+
     function fetchCorreiosService (cepWithLeftPad) {
       return new Promise(function (resolve, reject) {
         var options = {