test(query): test null values

Author: posva

Diff for: test/unit/specs/query.spec.js

@@ -9,6 +9,14 @@ describe('Query utils', () => {
         baz: 'qux'
       }))
     })
+
+    it('should turn empty params into null', () => {
+      expect(resolveQuery('?foo&bar=&arr=1&arr&arr=2')).toEqual({
+        foo: null,
+        bar: '',
+        arr: ['1', null, '2']
+      })
+    })
   })
 
   describe('stringifyQuery', () => {
@@ -20,6 +28,14 @@ describe('Query utils', () => {
       })).toBe('?foo=bar&baz=qux&arr=1&arr=2')
     })
 
+    it('should add only the key with null', () => {
+      expect(stringifyQuery({
+        foo: null,
+        bar: '',
+        arr: [1, null, 3]
+      })).toBe('?foo&bar=&arr=1&arr&arr=3')
+    })
+
     it('should escape reserved chars', () => {
       expect(stringifyQuery({
         a: '*()!'