test/org/jsecurity/util/StringUtilsTest.java

/*
 * Copyright 2005-2008 Les Hazlewood
 *
 * 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 org.jsecurity.util;

import static org.junit.Assert.*;
import org.junit.Test;

/**
 * @author Les Hazlewood
 * @since 0.9
 */
public class StringUtilsTest {

    @Test
    public void splitWithNullInput() {
        String line = null;
        String[] split = StringUtils.split(line);
        assertNull(split);
    }

    @Test
    public void splitWithCommas() {
        String line = "shall,we,play,a,game?";
        String[] split = StringUtils.split(line);
        assertNotNull(split);
        assertTrue(split.length == 5);
        assertEquals("shall", split[0]);
        assertEquals("we", split[1]);
        assertEquals("play", split[2]);
        assertEquals("a", split[3]);
        assertEquals("game?", split[4]);
    }

    @Test
    public void splitWithCommasAndSpaces() {
        String line = "shall,we ,    play, a,game?";
        String[] split = StringUtils.split(line);
        assertNotNull(split);
        assertTrue(split.length == 5);
        assertEquals("shall", split[0]);
        assertEquals("we", split[1]);
        assertEquals("play", split[2]);
        assertEquals("a", split[3]);
        assertEquals("game?", split[4]);
    }

    @Test
    public void splitWithQuotedCommasAndSpaces() {
        String line = "shall, \"we, play\", a, game?";
        String[] split = StringUtils.split(line);
        assertNotNull(split);
        assertTrue(split.length == 4);
        assertEquals("shall", split[0]);
        assertEquals("we, play", split[1]);
        assertEquals("a", split[2]);
        assertEquals("game?", split[3]);
    }

    @Test
    public void splitWithQuotedCommasAndSpacesAndDifferentQuoteChars() {
        String line = "authc, test[blah], test[1,2,3], test[]";
        String[] split = StringUtils.split(line, ',', '[', ']', false, true);
        assertNotNull(split);
        assertTrue(split.length == 4);
        assertEquals("authc", split[0]);
        assertEquals("testblah", split[1]);
        assertEquals("test1,2,3", split[2]);
        assertEquals("test", split[3]);
    }

    @Test
    public void splitWithQuotedCommasAndSpacesAndDifferentQuoteCharsWhileRetainingQuotes() {
        String line = "authc, test[blah], test[1,2,3], test[]";
        String[] split = StringUtils.split(line, ',', '[', ']', true, true);
        assertNotNull(split);
        assertTrue(split.length == 4);
        assertEquals("authc", split[0]);
        assertEquals("test[blah]", split[1]);
        assertEquals("test[1,2,3]", split[2]);
        assertEquals("test[]", split[3]);
    }

    @Test
    public void splitWithQuotedCommasAndSpacesAndEscapedQuotes() {
        String line = "shall, \"\"\"we, play\", a, \"\"\"game?";
        String[] split = StringUtils.split(line);
        assertNotNull(split);
        assertTrue(split.length == 4);
        assertEquals("shall", split[0]);
        assertEquals("\"we, play", split[1]);
        assertEquals("a", split[2]);
        assertEquals("\"game?", split[3]);
    }

}