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Groovy example source code file (Demand.groovy)

This example Groovy source code file (Demand.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

callspec, callspec, closure, closure, demand, illegalargumentexception, intrange, list, map, object, object, range, range, string

The Groovy Demand.groovy source code

 * Copyright 2003-2010 the original author or authors.
 * Licensed 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,
 * See the License for the specific language governing permissions and
 * limitations under the License.

package groovy.mock.interceptor

import junit.framework.AssertionFailedError

 *  The object that registers method calls on it for the use with Mocks and Stubs.
 *  For each call a CallSpec object is added to the recorded list.
 *  @author Dierk Koenig

class Demand {

    List recorded = []
    Map ignore = [:]

    Object invokeMethod(String methodName, Object args) {
        def range = 1..1
        if (args[0] instanceof IntRange) {
            range = args[0]
            if (range.reverse) throw new IllegalArgumentException('Reverse ranges not supported.')
        } else if (args[0] instanceof Integer) {
            range = args[0]..args[0]
        if (args[-1] instanceof Closure) {
            recorded << new CallSpec(name:methodName, behavior:args[-1], range:range)

    def verify(List calls) {
        for (i in 0 ..< recorded.size()) {
            def call = recorded[i]
            def callCounter = calls[i] ? calls[i] : 0
            if (! call.range.contains( callCounter ) ) {
                def msg = "verify[$i]: expected ${call.range.toString()} call(s) to '${call.name}' but was "
                throw new AssertionFailedError(msg + "called $callCounter time(s).")


class CallSpec {
    String  name
    Closure behavior
    Range   range

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