Unit Testing a static method in a Java Class from Groovy Test case

Question

I am trying to write a test case in groovy for a class that is written in java. The Java class(name:Helper) has a static method in it where a HttpClient object is obtained a

Answer 1

You can use

HttpClient.metaClass.executeMethod = {Type name -> doSomething}

You need to declare the closure signature with the correct Type i.e. String, Map, etc.

void testSendMessage(){
    def serviceUrl = properties.getProperty("ITEM").toString()

    // mocking to return null   
    HttpClient.metaClass.executeMethod = {HttpMethod str -> null}
    def responseXml = helper.message(serviceUrl)

}