SyntaxConverterTest.java

/*
 * See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
package org.xwiki.rendering.internal.syntax;

import org.junit.Assert;
import org.junit.Rule;
import org.junit.Test;
import org.xwiki.properties.converter.ConversionException;
import org.xwiki.properties.converter.Converter;
import org.xwiki.rendering.parser.ParseException;
import org.xwiki.rendering.syntax.Syntax;
import org.xwiki.rendering.syntax.SyntaxFactory;
import org.xwiki.test.mockito.MockitoComponentMockingRule;

import static org.mockito.Mockito.when;

/**
 * Unit tests for {@link SyntaxConverter}.
 *
 * @version $Id: 3a88f740de2cee6ab325158dc15704d8272dd330 $
 */
public class SyntaxConverterTest
{
    @Rule
    public MockitoComponentMockingRule<Converter<Syntax>> mocker = new MockitoComponentMockingRule<Converter<Syntax>>(
        SyntaxConverter.class);

    @Test
    public void convertToSyntaxObject() throws Exception
    {
        final SyntaxFactory factory = this.mocker.getInstance(SyntaxFactory.class);
        when(factory.createSyntaxFromIdString("xwiki/2.1")).thenReturn(Syntax.XWIKI_2_1);

        Syntax syntax = this.mocker.getComponentUnderTest().convert(Syntax.class, "xwiki/2.1");
        Assert.assertEquals(Syntax.XWIKI_2_1, syntax);
    }

    @Test
    public void convertToSyntaxObjectWhenUnknownSyntax() throws Exception
    {
        final SyntaxFactory factory = this.mocker.getInstance(SyntaxFactory.class);
        when(factory.createSyntaxFromIdString("invalid")).thenThrow(new ParseException("invalid syntax"));

        try {
            this.mocker.getComponentUnderTest().convert(Syntax.class, "invalid");
            Assert.fail("Should have thrown ConversionException");
        } catch (ConversionException expected) {
            Assert.assertEquals("Unknown syntax [invalid]", expected.getMessage());
        }
    }

    @Test
    public void convertToSyntaxObjectWhenNull() throws Exception
    {
        Syntax syntax = this.mocker.getComponentUnderTest().convert(Syntax.class, null);
        Assert.assertNull(syntax);
    }

    @Test
    public void convertToString() throws Exception
    {
        String syntaxId = this.mocker.getComponentUnderTest().convert(String.class, Syntax.XWIKI_2_1);
        Assert.assertEquals(Syntax.XWIKI_2_1.toIdString(), syntaxId);
    }

    @Test
    public void convertToStringWhenNull() throws Exception
    {
        String syntaxId = this.mocker.getComponentUnderTest().convert(String.class, null);
        Assert.assertNull(syntaxId);
    }
}