StringUtils_StripLeadingSlashTest.java

/*
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 *  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,
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 */

package org.apache.isis.core.commons.lang;

import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.assertThat;

import org.junit.Test;

public class StringUtils_StripLeadingSlashTest {

    @Test
    public void shouldStripIfThereIsOne() {
        assertThat(StringExtensions.stripLeadingSlash("/foobar"), is("foobar"));
    }

    @Test
    public void shouldLeaveUnchangedIfThereIsNone() {
        assertThat(StringExtensions.stripLeadingSlash("foobar"), is("foobar"));
    }

    @Test
    public void shouldConvertSolitarySlashToEmptyString() {
        assertThat(StringExtensions.stripLeadingSlash("/"), is(""));
    }

    @Test(expected = NullPointerException.class)
    public void shouldFailOnNull() {
        StringExtensions.stripLeadingSlash(null);
    }

}