From 89e847b5a8bf0a82d6f7166d3bac0d6c582bcbc8 Mon Sep 17 00:00:00 2001
From: Luciano Balmaceda <balmacedaluciano@gmail.com>
Date: Thu, 30 Jan 2020 15:01:03 -0300
Subject: [PATCH] refactor b64 tests

---
 src/jwt/__tests__/base64.spec.js | 34 ++++++++++++++++++++++----------
 1 file changed, 24 insertions(+), 10 deletions(-)

diff --git a/src/jwt/__tests__/base64.spec.js b/src/jwt/__tests__/base64.spec.js
index bbdbbc47..af409bef 100644
--- a/src/jwt/__tests__/base64.spec.js
+++ b/src/jwt/__tests__/base64.spec.js
@@ -1,17 +1,31 @@
 import * as base64 from '../base64';
 
 describe('helpers base64 url', function() {
-  it('padding', function() {
-    expect(base64.padding('')).toBe('');
-    expect(base64.padding('a')).toBe('a===');
-    expect(base64.padding('ab')).toBe('ab==');
-    expect(base64.padding('abc')).toBe('abc=');
-    expect(base64.padding('abcd')).toBe('abcd');
-    expect(base64.padding('abced')).toBe('abced===');
-    expect(base64.padding(base64.padding('abc'))).toBe('abc=');
+  describe('padding', function() {
+    it('does not add to multiple of 4', function() {
+      expect(base64.padding('')).toBe('');
+      expect(base64.padding('abcd')).toBe('abcd');
+    });
+    it('adds to non multiple of 4', function() {
+      expect(base64.padding('a')).toBe('a===');
+      expect(base64.padding('ab')).toBe('ab==');
+      expect(base64.padding('abc')).toBe('abc=');
+      expect(base64.padding('abced')).toBe('abced===');
+    });
+    it('does not change already padded value', function() {
+      const padded = base64.padding('abc');
+      expect(padded).toBe('abc=');
+      const again = base64.padding(padded);
+      expect(again).toBe('abc=');
+    });
   });
 
-  it('decode to hex', function() {
-    expect(base64.decodeToHEX('AQAB')).toBe('010001');
+  describe('decoding to hex', function() {
+    it('should convert base64 input into hex output', function() {
+      expect(base64.decodeToHEX('AQAB')).toBe('010001');
+      expect(base64.decodeToHEX('uGbXWiK3dQTyCbX5')).toBe(
+        'b866d75a22b77504f209b5f9',
+      );
+    });
   });
 });