groovy.mock.interceptor.MockInterceptor.groovy Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
package groovy.mock.interceptor
/**
* Intercepting calls to the collaborating object and notify the expectation object.
*/
class MockInterceptor implements PropertyAccessInterceptor {
def expectation = null
def beforeInvoke(Object object, String methodName, Object[] arguments) {
if (!expectation) throw new IllegalStateException("Property 'expectation' must be set before use.")
def result = expectation.match(methodName)
if (result == MockProxyMetaClass.FALL_THROUGH_MARKER) return result
return result(*arguments)
}
def beforeGet(Object object, String property) {
if (!expectation) throw new IllegalStateException("Property 'expectation' must be set before use.")
String name = "get${property[0].toUpperCase()}${property[1..-1]}"
def result = expectation.match(name)
if (result == MockProxyMetaClass.FALL_THROUGH_MARKER) return result
return result()
}
void beforeSet(Object object, String property, Object newValue) {
if (!expectation) throw new IllegalStateException("Property 'expectation' must be set before use.")
String name = "set${property[0].toUpperCase()}${property[1..-1]}"
def result = expectation.match(name)
if (result != MockProxyMetaClass.FALL_THROUGH_MARKER) {
result(newValue)
result = null
}
// object is never used so cheat and use it for return value
if (object instanceof Object[]) ((Object[])object)[0] = result
}
def afterInvoke(Object object, String methodName, Object[] arguments, Object result) {
return null // never used
}
boolean doInvoke() {
return false // future versions may allow collaborator method calls depending on state
}
}