MutableSchemaTest.java

/**
 * 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.metamodel.schema;

import junit.framework.TestCase;

public class MutableSchemaTest extends TestCase {

    /**
     * Tests that the following (general) rules apply to the object:
     * 
     * <li>the hashcode is the same when run twice on an unaltered object</li>
     * <li>if o1.equals(o2) then this condition must be true: o1.hashCode() ==
     * 02.hashCode()
     */
    public void testEqualsAndHashCode() throws Exception {
        MutableSchema schema1 = new MutableSchema("foo");
        MutableSchema schema2 = new MutableSchema("foo");

        assertTrue(schema1.equals(schema2));
        assertTrue(schema1.hashCode() == schema2.hashCode());

        schema2.addTable(new MutableTable("foo"));
        assertFalse(schema1.equals(schema2));
        assertTrue(schema1.hashCode() == schema2.hashCode());

        schema2 = new MutableSchema("foo");
        assertTrue(schema1.equals(schema2));
        assertTrue(schema1.hashCode() == schema2.hashCode());
    }

    public void testGetTableByName() throws Exception {
        MutableSchema s = new MutableSchema("foobar");
        s.addTable(new MutableTable("Foo"));
        s.addTable(new MutableTable("FOO"));
        s.addTable(new MutableTable("bar"));

        assertEquals("Foo", s.getTableByName("Foo").getName());
        assertEquals("FOO", s.getTableByName("FOO").getName());
        assertEquals("bar", s.getTableByName("bar").getName());

        // picking the first alternative that matches case insensitively
        assertEquals("Foo", s.getTableByName("fOO").getName());
    }
}