test/groovy/org/codehaus/groovy/grails/commons/metaclass/ClosureInvokingDynamicMethodTests.groovy

   1 package org.codehaus.groovy.grails.commons.metaclass;
   2
   3 import java.util.regex.*
   4
   5 /* Copyright 2004-2005 Graeme Rocher
   6  *
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  */
  19
  20 class ClosureInvokingDynamicMethodTests extends GroovyTestCase {
  21
  22     void testClosureInvokingDynamicMethod() {
  23          def method1 = new ClosureInvokingDynamicMethod(/^find\w+$/, {
  24                 assertTrue it instanceof Matcher
  25                return "foo"
  26             }
  27          )
  28          def method2 = new ClosureInvokingDynamicMethod(/^find\w+$/, { matcher, args ->
  29                 assertTrue matcher instanceof Matcher
  30                 return args[1]
  31             }
  32          )
  33          def method3 = new ClosureInvokingDynamicMethod(/^find\w+$/, {-> "foo" })
  34
  35          assertTrue method1.isMethodMatch("findBar")
  36          assertTrue method2.isMethodMatch("findBar")
  37          assertTrue method3.isMethodMatch("findBar")
  38
  39          assertEquals "foo", method1.invoke(this, "findBar", null)
  40          assertEquals  2, method2.invoke(this, "findBar",[1,2,3] as Object[])
  41          assertEquals "foo", method3.invoke(this,"findBar", null)
  42     }
  43
  44     void testClosureInvokingDynamicMethodFailures() {
  45         shouldFail {
  46              new ClosureInvokingDynamicMethod(null, { })
  47         }
  48
  49         shouldFail {
  50              new ClosureInvokingDynamicMethod(null, null)
  51         }
  52
  53         shouldFail {
  54              new ClosureInvokingDynamicMethod("foo", null)
  55         }
  56     }
  57 }