/*
    * Licensed to the Apache Software Foundation (ASF) under one or more
    * contributor license agreements.  See the NOTICE file distributed with
    * this work for additional information regarding copyright ownership.
    * The ASF licenses this file to You 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.shardingsphere.test.it.sql.parser.internal.asserts.statement.rql.impl.table;
  
  import lombok.AccessLevel;
  import lombok.NoArgsConstructor;
  import org.apache.shardingsphere.single.distsql.statement.rql.ShowSingleTableStatement;
  import org.apache.shardingsphere.test.it.sql.parser.internal.asserts.SQLCaseAssertContext;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.SQLParserTestCase;
  import org.apache.shardingsphere.test.it.sql.parser.internal.cases.parser.jaxb.statement.rql.table.ShowSingleTableStatementTestCase;
  
  import static org.hamcrest.CoreMatchers.instanceOf;
  import static org.hamcrest.CoreMatchers.is;
  import static org.hamcrest.MatcherAssert.assertThat;
  import static org.junit.jupiter.api.Assertions.assertFalse;
  import static org.junit.jupiter.api.Assertions.assertTrue;
  
  /**
   * Show single tables statement assert.
   */
  @NoArgsConstructor(access = AccessLevel.PRIVATE)
  public final class ShowSingleTablesStatementAssert {
      
      /**
       * Assert show single tables statement is correct with expected parser result.
       *
       * @param assertContext assert context
       * @param actual actual show single tables statement
       * @param expected expected show single tables statement test case
       */
      public static void assertIs(final SQLCaseAssertContext assertContext, final ShowSingleTableStatement actual, final SQLParserTestCase expected) {
          assertThat("Expected value should be ShowSingleTableStatementTestCase", expected, instanceOf(ShowSingleTableStatementTestCase.class));
          assertIs(assertContext, actual, (ShowSingleTableStatementTestCase) expected);
      }
      
      private static void assertIs(final SQLCaseAssertContext assertContext, final ShowSingleTableStatement actual, final ShowSingleTableStatementTestCase expected) {
          if (null == expected.getTable()) {
              assertFalse(actual.getTableName().isPresent(), assertContext.getText("Actual table name should not exist."));
          } else {
              assertTrue(actual.getTableName().isPresent(), assertContext.getText("Actual table name should exist."));
              assertThat(assertContext.getText("Table name assertion error"), actual.getTableName().get(), is(expected.getTable()));
          }
      }
  }