GenericDatabaseMetaTest.java

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 * Licensed under the Apache License, Version 2.0 (the "License");
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package org.pentaho.di.core.database;

import static org.junit.Assert.assertArrayEquals;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

import java.util.Properties;

import org.junit.Before;
import org.junit.Test;
import org.pentaho.di.core.row.value.ValueMetaBigNumber;
import org.pentaho.di.core.row.value.ValueMetaBinary;
import org.pentaho.di.core.row.value.ValueMetaBoolean;
import org.pentaho.di.core.row.value.ValueMetaDate;
import org.pentaho.di.core.row.value.ValueMetaInteger;
import org.pentaho.di.core.row.value.ValueMetaInternetAddress;
import org.pentaho.di.core.row.value.ValueMetaNumber;
import org.pentaho.di.core.row.value.ValueMetaString;
import org.pentaho.di.core.row.value.ValueMetaTimestamp;
public class GenericDatabaseMetaTest {
  GenericDatabaseMeta nativeMeta, odbcMeta;

  @Before
  public void setupBefore() {
    nativeMeta = new GenericDatabaseMeta();
    nativeMeta.setAccessType( DatabaseMeta.TYPE_ACCESS_NATIVE );
    odbcMeta = new GenericDatabaseMeta();
    odbcMeta.setAccessType( DatabaseMeta.TYPE_ACCESS_ODBC );
  }

  @Test
  public void testSettings() throws Exception {
    assertArrayEquals( new int[] { DatabaseMeta.TYPE_ACCESS_NATIVE, DatabaseMeta.TYPE_ACCESS_ODBC, DatabaseMeta.TYPE_ACCESS_JNDI },
        nativeMeta.getAccessTypeList() );
    assertEquals( 1, nativeMeta.getNotFoundTK( true ) );
    assertEquals( 0, nativeMeta.getNotFoundTK( false ) );
    Properties attrs = new Properties();
    attrs.put( GenericDatabaseMeta.ATRRIBUTE_CUSTOM_DRIVER_CLASS, "foo.bar.wibble" );
    attrs.put( GenericDatabaseMeta.ATRRIBUTE_CUSTOM_URL, "jdbc:foo:bar://foodb" );
    nativeMeta.setAttributes( attrs );
    assertEquals( "foo.bar.wibble", nativeMeta.getDriverClass() );
    assertEquals( "sun.jdbc.odbc.JdbcOdbcDriver", odbcMeta.getDriverClass() );
    assertEquals( "jdbc:foo:bar://foodb", nativeMeta.getURL( "NOT", "GOINGTO", "BEUSED" ) );
    assertEquals( "jdbc:odbc:FOO", odbcMeta.getURL( "NOT", "USED", "FOO" ) );
    assertFalse( nativeMeta.isFetchSizeSupported() );
    assertFalse( nativeMeta.supportsBitmapIndex() );
    assertFalse( nativeMeta.supportsPreparedStatementMetadataRetrieval() );
    assertArrayEquals( new String[] { }, nativeMeta.getUsedLibraries() );
    assertFalse( nativeMeta.supportsPreparedStatementMetadataRetrieval() );

  }

  @Test
  public void testSQLStatements() {
    assertEquals( "DELETE FROM FOO", nativeMeta.getTruncateTableStatement( "FOO" ) );
    assertEquals( "SELECT * FROM FOO", nativeMeta.getSQLQueryFields(  "FOO" ) );
    assertEquals( "SELECT 1 FROM FOO", nativeMeta.getSQLTableExists(  "FOO" ) );

    assertEquals( "ALTER TABLE FOO ADD BAR TIMESTAMP",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaDate( "BAR" ), "", false, "", false ) );
    assertEquals( "ALTER TABLE FOO ADD BAR TIMESTAMP",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaTimestamp( "BAR" ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR CHAR(1)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBoolean( "BAR" ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 10, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 10, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaInteger( "BAR", 10, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR DOUBLE PRECISION",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 0, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR INTEGER",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 5, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(10, 3)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 10, 3 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(10, 3)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 10, 3 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(21, 4)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 21, 4 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR TEXT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaString( "BAR", nativeMeta.getMaxVARCHARLength() + 2, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR VARCHAR(15)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaString( "BAR", 15, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 10, -7 ), "", false, "", false ) ); // Bug here - invalid SQL

    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(22, 7)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 22, 7 ), "", false, "", false ) );
    assertEquals( "ALTER TABLE FOO ADD BAR DOUBLE PRECISION",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", -10, 7 ), "", false, "", false ) );
    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(5, 7)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 5, 7 ), "", false, "", false ) );
    assertEquals( "ALTER TABLE FOO ADD BAR  UNKNOWN",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaInternetAddress( "BAR" ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGSERIAL",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaInteger( "BAR" ), "BAR", true, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGSERIAL",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaNumber( "BAR", 26, 8 ), "BAR", true, "", false ) );

    String lineSep = System.getProperty( "line.separator" );
    assertEquals( "ALTER TABLE FOO DROP BAR" + lineSep,
        nativeMeta.getDropColumnStatement( "FOO", new ValueMetaString( "BAR", 15, 0 ), "", false, "", true ) );

    assertEquals( "ALTER TABLE FOO MODIFY BAR VARCHAR(15)",
        nativeMeta.getModifyColumnStatement( "FOO", new ValueMetaString( "BAR", 15, 0 ), "", false, "", true ) );

    assertEquals( "ALTER TABLE FOO MODIFY BAR VARCHAR()",
        nativeMeta.getModifyColumnStatement( "FOO", new ValueMetaString( "BAR" ), "", false, "", true ) ); // I think this is a bug ..

    assertEquals( "ALTER TABLE FOO ADD BAR SMALLINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaInteger( "BAR", 4, 0 ), "", true, "", false ) );

    // do a boolean check
    odbcMeta.setSupportsBooleanDataType( true );
    assertEquals( "ALTER TABLE FOO ADD BAR BOOLEAN",
        odbcMeta.getAddColumnStatement( "FOO", new ValueMetaBoolean( "BAR" ), "", false, "", false ) );
    odbcMeta.setSupportsBooleanDataType( false );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGSERIAL",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaInteger( "BAR" ), "BAR", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR BIGINT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 10, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR NUMERIC(22, 0)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBigNumber( "BAR", 22, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR VARCHAR(1)",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaString( "BAR", 1, 0 ), "", false, "", false ) );

    assertEquals( "ALTER TABLE FOO ADD BAR TEXT",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaString( "BAR", 16777250, 0 ), "", false, "", false ) );
    assertEquals( "ALTER TABLE FOO ADD BAR  UNKNOWN",
        nativeMeta.getAddColumnStatement( "FOO", new ValueMetaBinary( "BAR", 16777250, 0 ), "", false, "", false ) );

    assertEquals( "insert into FOO(FOOVERSION) values (1)", nativeMeta.getSQLInsertAutoIncUnknownDimensionRow( "FOO", "FOOKEY", "FOOVERSION" ) );

  }

}