/*
    *    Copyright 2009-2021 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.apache.ibatis.scripting;
  
  import static com.googlecode.catchexception.apis.BDDCatchException.*;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.BDDAssertions.then;
  
  import org.apache.ibatis.executor.parameter.ParameterHandler;
  import org.apache.ibatis.mapping.BoundSql;
  import org.apache.ibatis.mapping.MappedStatement;
  import org.apache.ibatis.mapping.SqlSource;
  import org.apache.ibatis.parsing.XNode;
  import org.apache.ibatis.scripting.defaults.RawLanguageDriver;
  import org.apache.ibatis.session.Configuration;
  import org.junit.jupiter.api.Test;
  
  /**
   * @author Kazuki Shimizu
   */
  class LanguageDriverRegistryTest {
  
    private LanguageDriverRegistry registry = new LanguageDriverRegistry();
  
    @Test
    void registerByType() {
      registry.register(RawLanguageDriver.class);
      LanguageDriver driver = registry.getDriver(RawLanguageDriver.class);
  
      assertThat(driver).isInstanceOf(RawLanguageDriver.class);
    }
  
    @Test
    void registerByTypeSameType() {
      registry.register(RawLanguageDriver.class);
      LanguageDriver driver = registry.getDriver(RawLanguageDriver.class);
  
      registry.register(RawLanguageDriver.class);
  
      assertThat(driver).isSameAs(registry.getDriver(RawLanguageDriver.class));
    }
  
    @Test
    void registerByTypeNull() {
      when(() -> registry.register((Class<? extends LanguageDriver>) null));
      then(caughtException()).isInstanceOf(IllegalArgumentException.class)
        .hasMessage("null is not a valid Language Driver");
    }
  
    @Test
    void registerByTypeDoesNotCreateNewInstance() {
      when(() -> registry.register(PrivateLanguageDriver.class));
      then(caughtException()).isInstanceOf(ScriptingException.class)
        .hasMessage("Failed to load language driver for org.apache.ibatis.scripting.LanguageDriverRegistryTest$PrivateLanguageDriver");
    }
  
    @Test
    void registerByInstance() {
      registry.register(new PrivateLanguageDriver());
      LanguageDriver driver = registry.getDriver(PrivateLanguageDriver.class);
  
      assertThat(driver).isInstanceOf(PrivateLanguageDriver.class);
    }
  
    @Test
    void registerByInstanceSameType() {
      registry.register(new PrivateLanguageDriver());
      LanguageDriver driver = registry.getDriver(PrivateLanguageDriver.class);
  
      registry.register(new PrivateLanguageDriver());
  
      assertThat(driver).isSameAs(registry.getDriver(PrivateLanguageDriver.class));
    }
  
    @Test
    void registerByInstanceNull() {
      when(() -> registry.register((LanguageDriver) null));
      then(caughtException()).isInstanceOf(IllegalArgumentException.class)
        .hasMessage("null is not a valid Language Driver");
    }
  
    @Test
    void setDefaultDriverClass() {
      registry.setDefaultDriverClass(RawLanguageDriver.class);
      assertThat(registry.getDefaultDriverClass() == RawLanguageDriver.class).isTrue();
      assertThat(registry.getDefaultDriver()).isInstanceOf(RawLanguageDriver.class);
   }
 
   static private class PrivateLanguageDriver implements LanguageDriver {
 
     @Override
     public ParameterHandler createParameterHandler(MappedStatement mappedStatement, Object parameterObject, BoundSql boundSql) {
       return null;
     }
 
     @Override
     public SqlSource createSqlSource(Configuration configuration, XNode script, Class<?> parameterType) {
       return null;
     }
 
     @Override
     public SqlSource createSqlSource(Configuration configuration, String script, Class<?> parameterType) {
       return null;
     }
   }
 
 }