Java tutorial
/* Copyright 2013 Philipp Leitner 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, 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 at.ac.tuwien.infosys.jcloudscale.test.integration.base; import static org.junit.Assert.assertEquals; import java.lang.reflect.Field; import java.util.Date; import java.util.UUID; import org.junit.FixMethodOrder; import org.junit.Test; import org.junit.runners.MethodSorters; import org.springframework.util.ReflectionUtils; import at.ac.tuwien.infosys.jcloudscale.management.CloudManager; import at.ac.tuwien.infosys.jcloudscale.test.testobject.FieldCloudObject; import at.ac.tuwien.infosys.jcloudscale.test.testobject.FieldCloudObjectParent; @FixMethodOrder(MethodSorters.NAME_ASCENDING) public abstract class TestFieldHandling { protected static CloudManager cs = null; @Test public void testPublicFieldAccess() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.publicField = "public_changed"; assertEquals(ob.publicField, "public_changed"); assertEquals(ob.getPublicField(), "public_changed"); assertEquals(ob.getPublicField(), ob.publicField); } @Test public void testPublicFieldAccessWithReference() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.publicRefField = new Date(1000); assertEquals(ob.publicRefField.toString(), new Date(1000).toString()); assertEquals(ob.getPublicRefField().toString(), new Date(1000).toString()); assertEquals(ob.publicRefField.toString(), ob.getPublicRefField().toString()); } @Test public void testPublicFieldSetInCloud() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.setPublicField("remote"); assertEquals(ob.publicField, "remote"); assertEquals(ob.getPublicField(), "remote"); assertEquals(ob.getPublicField(), ob.publicField); } @Test public void testPublicFieldSetInCloudWithRef() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.setPublicRefField(new Date(1000)); assertEquals(ob.publicRefField.toString(), new Date(1000).toString()); assertEquals(ob.getPublicRefField().toString(), new Date(1000).toString()); assertEquals(ob.getPublicRefField().toString(), ob.publicRefField.toString()); } @Test public void testPrivateFieldAccess() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); FieldCloudObject.setPrivateField(ob, "private_changed"); assertEquals(ob.getPrivateField(), "private_changed"); } @Test public void testProtectedFieldAccess() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); FieldCloudObject.setProtectedField(ob, "protected_changed"); assertEquals(ob.getProtectedField(), "protected_changed"); } @Test public void testPublicFieldSetViaReflection() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); // we need to go to the superclass as this is in fact a dynamic proxy generated // by CGLib Field field = ob.getClass().getSuperclass().getDeclaredField("publicField"); field.set(ob, "public_changed"); assertEquals(ob.publicField, "public_changed"); assertEquals(ob.getPublicField(), "public_changed"); assertEquals(ob.getPublicField(), ob.publicField); } @Test public void testPrivateFieldSetViaReflection() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); // we need to go to the superclass as this is in fact a dynamic proxy generated // by CGLib Field field = ob.getClass().getSuperclass().getDeclaredField("privateField"); ReflectionUtils.makeAccessible(field); field.set(ob, "private_changed"); assertEquals(ob.getPrivateField(), "private_changed"); } @Test public void testPublicFieldGetViaReflection() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.setPublicField("public_changed"); // we need to go to the superclass as this is in fact a dynamic proxy generated // by CGLib Field field = ob.getClass().getSuperclass().getDeclaredField("publicField"); String val = (String) field.get(ob); assertEquals(val, "public_changed"); } @Test public void testPrivateFieldGetViaReflection() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.setPrivateField("private_changed"); // we need to go to the superclass as this is in fact a dynamic proxy generated // by CGLib Field field = ob.getClass().getSuperclass().getDeclaredField("privateField"); ReflectionUtils.makeAccessible(field); String val = (String) field.get(ob); assertEquals(val, "private_changed"); } @Test public void testPassByValue() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); UUID id = UUID.randomUUID(); ob.serializable = id; assertEquals(ob.serializable, id); assertEquals(ob.getSerializable(), id); assertEquals(ob.getSerializable(), ob.serializable); } @Test public void testPublicFieldOfParentAccess() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.publicParentField = "public_parent_changed"; assertEquals(ob.publicParentField, "public_parent_changed"); assertEquals(ob.getPublicParentField(), "public_parent_changed"); assertEquals(ob.getPublicParentField(), ob.publicParentField); } @Test public void testPublicParentFieldSetInCloud() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); ob.setPublicParentField("remote_parent"); assertEquals(ob.publicParentField, "remote_parent"); assertEquals(ob.getPublicParentField(), "remote_parent"); assertEquals(ob.getPublicParentField(), ob.publicParentField); } @Test public void testProtectedFieldOfParentAccess() throws Exception { assertEquals(0, cs.countCloudObjects()); FieldCloudObject ob = new FieldCloudObject(); assertEquals(1, cs.countCloudObjects()); FieldCloudObjectParent.setProtectedField(ob, "protected_parent_changed"); assertEquals(ob.getProtectedParentField(), "protected_parent_changed"); } }