| /* |
| * 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.lang |
| |
| import groovy.test.GroovyTestCase |
| import org.codehaus.groovy.control.CompilerConfiguration |
| |
| class ClassReloadingTest extends GroovyTestCase { |
| |
| void testReloading() { |
| def file = File.createTempFile("TestReload", ".groovy", new File("target")) |
| file.deleteOnExit() |
| def className = file.name - ".groovy" |
| |
| def cl = new GroovyClassLoader(this.class.classLoader); |
| def currentDir = file.parentFile.absolutePath |
| cl.addClasspath(currentDir) |
| cl.shouldRecompile = true |
| |
| try { |
| file.write """ |
| class $className { |
| def greeting = "hello" |
| } |
| """ |
| def groovyClass = cl.loadClass(className, true, false) |
| def message = groovyClass.newInstance().greeting |
| assert "hello" == message |
| |
| sleep 1500 |
| |
| // change class |
| file.write """ |
| class $className { |
| def greeting = "goodbye" |
| } |
| """ |
| def success = file.setLastModified(System.currentTimeMillis()) |
| assert success |
| sleep 500 |
| |
| // reload |
| groovyClass = cl.loadClass(className, true, false) |
| message = groovyClass.newInstance().greeting |
| assert "goodbye" == message |
| } finally { |
| file.delete() |
| } |
| } |
| |
| void testReloadingInStringStringVersion() { |
| def fileName = "Dummy3981.groovy" |
| |
| def cl = new GroovyClassLoader(this.class.classLoader); |
| |
| def classStr = """ |
| class Groovy3981 { |
| def greeting = "hello" |
| } |
| """ |
| |
| def groovyClass = cl.parseClass(classStr, fileName) |
| def message = groovyClass.newInstance().greeting |
| assert "hello" == message |
| |
| // (string, string) version should not do the caching as it breaks Spring integration (bean refreh) |
| classStr = """ |
| class Groovy3981 { |
| def greeting = "goodbye" |
| } |
| """ |
| groovyClass = cl.parseClass(classStr, fileName) |
| message = groovyClass.newInstance().greeting |
| assert "goodbye" == message |
| } |
| |
| void testReloadingIfInitialFileMissesTimestamp() { |
| def parent = File.createTempDir("reload","test") |
| def file = File.createTempFile("TestReload", ".groovy", parent) |
| file.deleteOnExit() |
| def className = file.name - ".groovy" |
| def cc = new CompilerConfiguration() |
| def currentDir = file.parentFile.absolutePath |
| // cc.targetDirectory = parent |
| def cl = new GroovyClassLoader(this.class.classLoader, cc) |
| cl.addClasspath(currentDir) |
| cl.shouldRecompile = false |
| |
| try { |
| file.write """ |
| class $className { |
| def greeting = "hello" |
| } |
| """ |
| def groovyClass = cl.loadClass(className, true, false) |
| assert !groovyClass.declaredFields.any { it.name.contains('__timeStamp') } |
| def message = groovyClass.newInstance().greeting |
| assert "hello" == message |
| |
| cl = new GroovyClassLoader(this.class.classLoader, cc) |
| cl.addClasspath(currentDir) |
| cl.shouldRecompile = true |
| |
| sleep 1500 |
| |
| // change class |
| file.write """ |
| class $className { |
| def greeting = "goodbye" |
| } |
| """ |
| def success = file.setLastModified(System.currentTimeMillis()) |
| assert success |
| sleep 500 |
| |
| // reload |
| groovyClass = cl.loadClass(className, true, false) |
| assert groovyClass.declaredFields.any { it.name.contains('__timeStamp') } |
| message = groovyClass.newInstance().greeting |
| assert "goodbye" == message |
| } finally { |
| println parent.listFiles() |
| parent.eachFile {it.delete()} |
| parent.delete() |
| } |
| } |
| |
| } |