/**

 * Copyright Plugtree LLC

 *

 * 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 com.plugtree.stressTestScope;



import junit.framework.TestCase;



import com.google.inject.Guice;

import com.google.inject.Injector;

import com.plugtree.stressTestScope.StressTestRegistry;

import com.plugtree.stressTestScope.StressTestScopeModule;

/**

 * 

 * @author tflobbe

 *

 */

public class TestScopeTestCase extends TestCase {

	

	private Injector injector;

	

	@Override

	protected void setUp() throws Exception {

		injector = Guice.createInjector(new StressTestScopeModule(), new TestModule());

		TestObject.restartCounter();

	}

	

	public void testJustOneObject() {

		StressTestRegistry.start();

		assertEquals(0, TestObject.createdObjects);

		injector.getInstance(TestObject.class);

		assertEquals(1, TestObject.createdObjects);

		injector.getInstance(TestObject.class);

		assertEquals(1, TestObject.createdObjects);

		

		for(int i = 0; i < 10 ; i++) {

			injector.getInstance(TestObject.class);

			assertEquals(1, TestObject.createdObjects);

		}

	}

	

	public void testManyObject() {

		StressTestRegistry.start();

		assertEquals(0, TestObject.createdObjects);

		injector.getInstance(TestObject.class);

		assertEquals(1, TestObject.createdObjects);

		StressTestRegistry.restart();

		injector.getInstance(TestObject.class);

		assertEquals(2, TestObject.createdObjects);

		

		for(int i = 0; i < 10 ; i++) {

			StressTestRegistry.restart();

			injector.getInstance(TestObject.class);

			assertEquals(3 + i, TestObject.createdObjects);

		}

	}

	

	public void testObjectGraph() {

		StressTestRegistry.start();

		assertEquals(0, TestObject.createdObjects);

		assertEquals(0, TestObject2.createdObjects);

		TestObject object1 = injector.getInstance(TestObject.class);

		assertEquals(1, TestObject.createdObjects);

		assertEquals(0, TestObject2.createdObjects);

		

		TestObject2 object2 = injector.getInstance(TestObject2.class);

		assertEquals(1, TestObject.createdObjects);

		assertEquals(1, TestObject2.createdObjects);

		assertEquals(object1,object2.getTestObject());

		

		StressTestRegistry.restart();

		object2 = injector.getInstance(TestObject2.class);

		assertEquals(2, TestObject.createdObjects);

		assertEquals(2, TestObject2.createdObjects);

		

		object1 = injector.getInstance(TestObject.class);

		assertEquals(2, TestObject.createdObjects);

		assertEquals(2, TestObject2.createdObjects);

		assertEquals(object1,object2.getTestObject());

		System.out.println(object1);

		System.out.println(object2);

	}



}