/*
    * Copyright 2002-2011 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.core.env;
  
  import java.util.Collections;
  import java.util.HashSet;
  import java.util.Set;
  
  import org.junit.Test;
  
  import static org.hamcrest.CoreMatchers.*;
  import static org.junit.Assert.*;
  
  /**
   * Unit tests covering the extensibility of {@link AbstractEnvironment}.
   *
   * @author Chris Beams
   * @since 3.1
   */
  public class CustomEnvironmentTests {
  
  	// -- tests relating to customizing reserved default profiles ----------------------
  
  	@Test
  	public void control() {
  		Environment env = new AbstractEnvironment() { };
  		assertThat(env.acceptsProfiles(AbstractEnvironment.RESERVED_DEFAULT_PROFILE_NAME), is(true));
  	}
  
  	@Test
  	public void withNoReservedDefaultProfile() {
  		class CustomEnvironment extends AbstractEnvironment {
  			@Override
  			protected Set<String> getReservedDefaultProfiles() {
  				return Collections.emptySet();
  			}
  		}
  
  		Environment env = new CustomEnvironment();
  		assertThat(env.acceptsProfiles(AbstractEnvironment.RESERVED_DEFAULT_PROFILE_NAME), is(false));
  	}
  
  	@Test
  	public void withSingleCustomReservedDefaultProfile() {
  		class CustomEnvironment extends AbstractEnvironment {
  			@Override
  			protected Set<String> getReservedDefaultProfiles() {
  				return Collections.singleton("rd1");
  			}
  		}
  
  		Environment env = new CustomEnvironment();
  		assertThat(env.acceptsProfiles(AbstractEnvironment.RESERVED_DEFAULT_PROFILE_NAME), is(false));
  		assertThat(env.acceptsProfiles("rd1"), is(true));
  	}
  
  	@Test
  	public void withMultiCustomReservedDefaultProfile() {
  		class CustomEnvironment extends AbstractEnvironment {
  			@Override
  			@SuppressWarnings("serial")
  			protected Set<String> getReservedDefaultProfiles() {
  				return new HashSet<String>() {{ add("rd1"); add("rd2");  }};
  			}
  		}
  
  		ConfigurableEnvironment env = new CustomEnvironment();
  		assertThat(env.acceptsProfiles(AbstractEnvironment.RESERVED_DEFAULT_PROFILE_NAME), is(false));
  		assertThat(env.acceptsProfiles("rd1", "rd2"), is(true));
  
  		// finally, issue additional assertions to cover all combinations of calling these
  		// methods, however unlikely.
  		env.setDefaultProfiles("d1");
  		assertThat(env.acceptsProfiles("rd1", "rd2"), is(false));
  		assertThat(env.acceptsProfiles("d1"), is(true));
  
  		env.setActiveProfiles("a1", "a2");
  		assertThat(env.acceptsProfiles("d1"), is(false));
  		assertThat(env.acceptsProfiles("a1", "a2"), is(true));
  
  		env.setActiveProfiles();
  		assertThat(env.acceptsProfiles("d1"), is(true));
  		assertThat(env.acceptsProfiles("a1", "a2"), is(false));
  
  		env.setDefaultProfiles();
 		assertThat(env.acceptsProfiles(AbstractEnvironment.RESERVED_DEFAULT_PROFILE_NAME), is(false));
 		assertThat(env.acceptsProfiles("rd1", "rd2"), is(false));
 		assertThat(env.acceptsProfiles("d1"), is(false));
 		assertThat(env.acceptsProfiles("a1", "a2"), is(false));
 	}
 
 
 	// -- tests relating to customizing property sources -------------------------------
 }