add tests for options.headers

index.js

@@ -30,7 +30,7 @@ JWT.decode = function (jwt, options) {
       header: decoded.header,
       payload: payload,
       signature: decoded.signature
-    }
+    };
   }
   return payload;
 };

test/set_headers.tests.js

@@ -0,0 +1,18 @@
+var jwt = require('../index');
+var expect = require('chai').expect;
+
+describe('set headers', function() {
+
+  it('should add the header', function () {
+    var token = jwt.sign({foo: 123}, '123', { headers: { foo: 'bar' } });
+    var decoded = jwt.decode(token, {complete: true});
+    expect(decoded.header.foo).to.equal('bar');
+  });
+
+  it('should allow overriding headers', function () {
+    var token = jwt.sign({foo: 123}, '123', { headers: { alg: 'HS512' } });
+    var decoded = jwt.decode(token, {complete: true});
+    expect(decoded.header.alg).to.equal('HS512');
+  });
+
+});