test - create ethJsQuery stub

test/stub/provider.js

@@ -5,7 +5,8 @@ module.exports = {
   createEngineForTestData,
   providerFromEngine,
   scaffoldMiddleware,
-  createStubedProvider
+  createEthJsQueryStub,
+  createStubedProvider,
 }
 
 
@@ -18,6 +19,18 @@ function providerFromEngine (engine) {
   return provider
 }
 
+function createEthJsQueryStub (stubProvider) {
+  return new Proxy({}, {
+    get: (obj, method) => {
+      return (...params) => {
+        return new Promise((resolve, reject) => {
+          stubProvider.sendAsync({ method: `eth_${method}`, params }, (err, ress) => resolve(ress.result))
+        })
+      }
+    },
+  })
+}
+
 function createStubedProvider (resultStub) {
   const engine = createEngineForTestData()
   engine.push(scaffoldMiddleware(resultStub))