/*
 * Copyright 2002-2013 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.beans.factory.config;

import java.util.HashMap;
import java.util.Map;

import org.junit.Before;
import org.junit.Test;

import org.springframework.beans.factory.support.DefaultListableBeanFactory;

import static org.junit.Assert.*;
import static org.mockito.BDDMockito.*;

/**
 * Unit tests for {@link CustomScopeConfigurer}.
 *
 * @author Rick Evans
 * @author Juergen Hoeller
 * @author Chris Beams
 */
public final class CustomScopeConfigurerTests {

	private static final String FOO_SCOPE = "fooScope";
	private ConfigurableListableBeanFactory factory;

	@Before
	public void setUp() {
		factory = new DefaultListableBeanFactory();
	}

	@Test
	public void testWithNoScopes() throws Exception {
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.postProcessBeanFactory(factory);
	}

	@Test
	public void testSunnyDayWithBonaFideScopeInstance() throws Exception {
		Scope scope = mock(Scope.class);
		factory.registerScope(FOO_SCOPE, scope);
		Map<String, Object> scopes = new HashMap<String, Object>();
		scopes.put(FOO_SCOPE, scope);
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
	}

	@Test
	public void testSunnyDayWithBonaFideScopeClass() throws Exception {
		Map<String, Object> scopes = new HashMap<String, Object>();
		scopes.put(FOO_SCOPE, NoOpScope.class);
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
		assertTrue(factory.getRegisteredScope(FOO_SCOPE) instanceof NoOpScope);
	}

	@Test
	public void testSunnyDayWithBonaFideScopeClassname() throws Exception {
		Map<String, Object> scopes = new HashMap<String, Object>();
		scopes.put(FOO_SCOPE, NoOpScope.class.getName());
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
		assertTrue(factory.getRegisteredScope(FOO_SCOPE) instanceof NoOpScope);
	}

	@Test(expected=IllegalArgumentException.class)
	public void testWhereScopeMapHasNullScopeValueInEntrySet() throws Exception {
		Map<String, Object> scopes = new HashMap<String, Object>();
		scopes.put(FOO_SCOPE, null);
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
	}

	@Test(expected=IllegalArgumentException.class)
	public void testWhereScopeMapHasNonScopeInstanceInEntrySet() throws Exception {
		Map<String, Object> scopes = new HashMap<String, Object>();
		scopes.put(FOO_SCOPE, this); // <-- not a valid value...
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
	}

	@SuppressWarnings("unchecked")
	@Test(expected=ClassCastException.class)
	public void testWhereScopeMapHasNonStringTypedScopeNameInKeySet() throws Exception {
		Map scopes = new HashMap();
		scopes.put(this, new NoOpScope()); // <-- not a valid value (the key)...
		CustomScopeConfigurer figurer = new CustomScopeConfigurer();
		figurer.setScopes(scopes);
		figurer.postProcessBeanFactory(factory);
	}

}
