/*
* Copyright 2006-2013 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,
* 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 org.springframework.batch.core.scope;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import java.util.ArrayList;
import java.util.List;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.scope.context.StepContext;
import org.springframework.batch.core.scope.context.StepSynchronizationManager;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.context.support.StaticApplicationContext;
/**
* @author Dave Syer
*
*/
public class StepScopeTests {
private StepScope scope = new StepScope();
private StepExecution stepExecution = new StepExecution("foo", new JobExecution(0L), 123L);
private StepContext context;
@Before
public void setUp() throws Exception {
StepSynchronizationManager.release();
context = StepSynchronizationManager.register(stepExecution);
}
@After
public void tearDown() throws Exception {
StepSynchronizationManager.close();
}
@Test
public void testGetWithNoContext() throws Exception {
final String foo = "bar";
StepSynchronizationManager.close();
try {
scope.get("foo", new ObjectFactory<Object>() {
@Override
public Object getObject() throws BeansException {
return foo;
}
});
fail("Expected IllegalStateException");
}
catch (IllegalStateException e) {
// expected
}
}
@Test
public void testGetWithNothingAlreadyThere() {
final String foo = "bar";
Object value = scope.get("foo", new ObjectFactory<Object>() {
@Override
public Object getObject() throws BeansException {
return foo;
}
});
assertEquals(foo, value);
assertTrue(context.hasAttribute("foo"));
}
@Test
public void testGetWithSomethingAlreadyThere() {
context.setAttribute("foo", "bar");
Object value = scope.get("foo", new ObjectFactory<Object>() {
@Override
public Object getObject() throws BeansException {
return null;
}
});
assertEquals("bar", value);
assertTrue(context.hasAttribute("foo"));
}
@Test
public void testGetWithSomethingAlreadyInParentContext() {
context.setAttribute("foo", "bar");
StepContext context = StepSynchronizationManager.register(new StepExecution("bar", new JobExecution(0L)));
Object value = scope.get("foo", new ObjectFactory<Object>() {
@Override
public Object getObject() throws BeansException {
return "spam";
}
});
assertEquals("spam", value);
assertTrue(context.hasAttribute("foo"));
StepSynchronizationManager.close();
assertEquals("bar", scope.get("foo", null));
}
@Test
public void testParentContextWithSameStepExecution() {
context.setAttribute("foo", "bar");
StepContext other = StepSynchronizationManager.register(stepExecution);
assertSame(other, context);
}
@Test
public void testGetConversationId() {
String id = scope.getConversationId();
assertNotNull(id);
}
@Test
public void testRegisterDestructionCallback() {
final List<String> list = new ArrayList<String>();
context.setAttribute("foo", "bar");
scope.registerDestructionCallback("foo", new Runnable() {
@Override
public void run() {
list.add("foo");
}
});
assertEquals(0, list.size());
// When the context is closed, provided the attribute exists the
// callback is called...
context.close();
assertEquals(1, list.size());
}
@Test
public void testRegisterAnotherDestructionCallback() {
final List<String> list = new ArrayList<String>();
context.setAttribute("foo", "bar");
scope.registerDestructionCallback("foo", new Runnable() {
@Override
public void run() {
list.add("foo");
}
});
scope.registerDestructionCallback("foo", new Runnable() {
@Override
public void run() {
list.add("bar");
}
});
assertEquals(0, list.size());
// When the context is closed, provided the attribute exists the
// callback is called...
context.close();
assertEquals(2, list.size());
}
@Test
public void testRemove() {
context.setAttribute("foo", "bar");
scope.remove("foo");
assertFalse(context.hasAttribute("foo"));
}
@Test
public void testOrder() throws Exception {
assertEquals(Integer.MAX_VALUE, scope.getOrder());
scope.setOrder(11);
assertEquals(11, scope.getOrder());
}
@SuppressWarnings("resource")
@Test
public void testName() throws Exception {
scope.setName("foo");
StaticApplicationContext beanFactory = new StaticApplicationContext();
scope.postProcessBeanFactory(beanFactory.getDefaultListableBeanFactory());
String[] scopes = beanFactory.getDefaultListableBeanFactory().getRegisteredScopeNames();
assertEquals(1, scopes.length);
assertEquals("foo", scopes[0]);
}
}