SchemaCrawlerGrepTest.java

/*
 * SchemaCrawler
 * Copyright (c) 2000-2009, Sualeh Fatehi.
 *
 * 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 schemacrawler.test;


import static org.junit.Assert.assertEquals;

import java.util.logging.Level;
import java.util.logging.Logger;

import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;

import schemacrawler.schema.Catalog;
import schemacrawler.schema.Column;
import schemacrawler.schema.Schema;
import schemacrawler.schema.Table;
import schemacrawler.schemacrawler.InclusionRule;
import schemacrawler.schemacrawler.SchemaCrawlerOptions;
import schemacrawler.utility.TestDatabase;

public class SchemaCrawlerGrepTest
{

  private static final Logger LOGGER = Logger
    .getLogger(SchemaCrawlerGrepTest.class.getName());

  private static TestDatabase testUtility = new TestDatabase();

  @AfterClass
  public static void afterAllTests()
    throws ClassNotFoundException
  {
    testUtility.shutdownDatabase();
  }

  @BeforeClass
  public static void beforeAllTests()
    throws ClassNotFoundException
  {
    TestDatabase.initializeApplicationLogging();
    testUtility.createMemoryDatabase();
  }

  @Test
  public void grep()
    throws Exception
  {
    final String[] schemaNames = {
        "INFORMATION_SCHEMA", "PUBLIC", "SCHEMACRAWLER"
    };
    final int[] tableCounts = {
        0, 4, 1
    };
    final String[][][] columnNames = {
        {},
        {
            {
                "CUSTOMER.ID",
                "CUSTOMER.FIRSTNAME",
                "CUSTOMER.LASTNAME",
                "CUSTOMER.STREET",
                "CUSTOMER.CITY"
            },
            {
                "CUSTOMERLIST.ID",
                "CUSTOMERLIST.FIRSTNAME",
                "CUSTOMERLIST.LASTNAME"
            },
            {
                "INVOICE.ID", "INVOICE.CUSTOMERID", "INVOICE.TOTAL"
            },
            {
                "PRODUCT.ID", "PRODUCT.NAME", "PRODUCT.PRICE"
            },
        },
        {
          {
              "PRODUCT2.ID", "PRODUCT2.NAME", "PRODUCT2.PRICE"
          },
        }
    };
    final String[][][] columnDataTypes = {
        {}, {
            {
                "INTEGER", "VARCHAR", "VARCHAR", "VARCHAR", "VARCHAR"
            }, {
                "INTEGER", "VARCHAR", "VARCHAR"
            }, {
                "INTEGER", "INTEGER", "FLOAT"
            }, {
                "INTEGER", "VARCHAR", "FLOAT"
            },
        }, {
          {
              "INTEGER", "VARCHAR", "FLOAT"
          },
        }
    };

    final SchemaCrawlerOptions schemaCrawlerOptions = new SchemaCrawlerOptions();

    schemaCrawlerOptions
      .setGrepColumnInclusionRule(new InclusionRule(".*\\..*\\.ID", ""));

    final Catalog catalog = testUtility.getCatalog(schemaCrawlerOptions);
    final Schema[] schemas = catalog.getSchemas();
    assertEquals("Schema count does not match", 3, schemas.length);
    for (int schemaIdx = 0; schemaIdx < schemas.length; schemaIdx++)
    {
      final Schema schema = schemas[schemaIdx];
      assertEquals("Schema name does not match", schemaNames[schemaIdx], schema
        .getName());
      final Table[] tables = schema.getTables();
      assertEquals("Table count does not match",
                   tableCounts[schemaIdx],
                   tables.length);
      for (int tableIdx = 0; tableIdx < tables.length; tableIdx++)
      {
        final Table table = tables[tableIdx];
        final Column[] columns = table.getColumns();
        final String[] columnsNamesForTable = columnNames[schemaIdx][tableIdx];
        for (int columnIdx = 0; columnIdx < columns.length; columnIdx++)
        {
          final Column column = columns[columnIdx];
          LOGGER.log(Level.FINE, column.toString());
          assertEquals("Column full name does not match",
                       schemaNames[schemaIdx] + "."
                           + columnsNamesForTable[columnIdx],
                       column.getFullName());
          assertEquals("Column type does not match",
                       columnDataTypes[schemaIdx][tableIdx][columnIdx],
                       column.getType().getDatabaseSpecificTypeName());
          assertEquals("Column JDBC type does not match",
                       columnDataTypes[schemaIdx][tableIdx][columnIdx],
                       column.getType().getTypeName());
        }
      }
    }
  }

}