jsonrpc.js tests && jsonrpc response validation is more strict

test/jsonrpc.toPayload.js

@@ -0,0 +1,40 @@
+var assert = require('assert');
+var jsonrpc = require('../lib/jsonrpc');
+
+describe('jsonrpc', function () {
+    describe('toPayload', function () {
+        it('should create basic payload', function () {
+            
+            // given 
+            var method = 'helloworld';
+
+            // when
+            var payload = jsonrpc.toPayload(method);
+
+            // then
+            assert.equal(payload.jsonrpc, '2.0');
+            assert.equal(payload.method, method);
+            assert.equal(payload.params instanceof Array, true);
+            assert.equal(payload.params.length, 0);
+            assert.equal(typeof payload.id, 'number');
+        });
+        
+        it('should create payload with params', function () {
+            
+            // given 
+            var method = 'helloworld1';
+            var params = [123, 'test'];
+
+            // when
+            var payload = jsonrpc.toPayload(method, params);
+
+            // then
+            assert.equal(payload.jsonrpc, '2.0');
+            assert.equal(payload.method, method);
+            assert.equal(payload.params.length, 2);
+            assert.equal(payload.params[0], params[0]);
+            assert.equal(payload.params[1], params[1]);
+            assert.equal(typeof payload.id, 'number');
+        });
+    });
+});