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Groovy: A powerful, dynamic language for the JVM
/*
* 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.util
/**
* Groovy test case, which recreates internal GroovyShell in each setUp ()
*
* @author Alex Tkachman
*/
class GroovyShellTestCase extends GroovyTestCase {
@Delegate protected GroovyShell shell
protected void setUp() {
super.setUp();
shell = createNewShell();
}
protected void tearDown() {
shell = null;
super.tearDown();
}
/**
* Create new shell instance.
* Overwrite it to customize
*/
protected GroovyShell createNewShell() {
return new GroovyShell()
}
/**
* Executes closure with given binding
*/
protected def withBinding (Map map, Closure closure) {
Binding binding = shell.context
Map bmap = binding.variables
try {
Map vars = new HashMap(bmap)
bmap.putAll map
return closure.call()
}
finally {
bmap.clear()
bmap.putAll vars
}
}
/**
* Evaluates script with given binding
*/
protected def withBinding (Map map, String script) {
Binding binding = shell.context
Map bmap = binding.variables
try {
Map vars = new HashMap(bmap)
bmap.putAll map
return evaluate(script)
}
finally {
bmap.clear()
bmap.putAll vars
}
}
}