cassandra-trunk/test/unit/org/apache/cassandra/schema/IndexMetadataTest.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
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package org.apache.cassandra.schema;

import org.junit.Assert;
import org.junit.Test;

import org.apache.cassandra.cql3.ColumnIdentifier;

import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;

public class IndexMetadataTest {
    
    @Test
    public void testIsNameValidPositive()
    {
        assertTrue(IndexMetadata.isNameValid("abcdefghijklmnopqrstuvwxyz"));
        assertTrue(IndexMetadata.isNameValid("ABCDEFGHIJKLMNOPQRSTUVWXYZ"));
        assertTrue(IndexMetadata.isNameValid("_01234567890"));
    }
    
    @Test
    public void testIsNameValidNegative()
    {
        assertFalse(IndexMetadata.isNameValid(null));
        assertFalse(IndexMetadata.isNameValid(""));
        assertFalse(IndexMetadata.isNameValid(" "));
        assertFalse(IndexMetadata.isNameValid("@"));
        assertFalse(IndexMetadata.isNameValid("!"));
    }
    
    @Test
    public void testGetDefaultIndexName()
    {
        Assert.assertEquals("aB4__idx", IndexMetadata.generateDefaultIndexName("a B-4@!_+"));
        Assert.assertEquals("34_Ddd_F6_idx", IndexMetadata.generateDefaultIndexName("34_()Ddd", new ColumnIdentifier("#F%6*", true)));
    }
}
