de.perdian.commons.lang.conversion.impl.converters.TestNumberToStringConverter.java Source code

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Here is the source code for de.perdian.commons.lang.conversion.impl.converters.TestNumberToStringConverter.java

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/*
 * Copyright 2013 Christian Robert
 *
 * 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 de.perdian.commons.lang.conversion.impl.converters;

import java.text.DecimalFormat;
import java.util.Locale;

import org.junit.Assert;
import org.junit.Test;
import org.springframework.context.i18n.SimpleLocaleContext;

public class TestNumberToStringConverter {

    @Test
    public void testConvertWithEmptyConstructor() {
        NumberToStringConverter converter = new NumberToStringConverter();
        Assert.assertEquals("42", converter.convert(Integer.valueOf(42)));
    }

    @Test
    public void testConvertWithEmptyConstructorNullInput() {
        NumberToStringConverter converter = new NumberToStringConverter();
        Assert.assertNull(converter.convert(null));
    }

    @Test
    public void testConvertWithFormat() {
        NumberToStringConverter converter = new NumberToStringConverter(new DecimalFormat("000"));
        Assert.assertEquals("042", converter.convert(Integer.valueOf(42)));
    }

    @Test
    public void testConvertWithPattern() {
        NumberToStringConverter converter = new NumberToStringConverter("000");
        Assert.assertEquals("042", converter.convert(Integer.valueOf(42)));
    }

    @Test
    public void testConvertWithPatternAndLocaleDE() {
        NumberToStringConverter converter = new NumberToStringConverter("0.0",
                new SimpleLocaleContext(Locale.GERMANY));
        Assert.assertEquals("42,0", converter.convert(Integer.valueOf(42)));
    }

    @Test
    public void testConvertWithPatternAndLocaleEN() {
        NumberToStringConverter converter = new NumberToStringConverter("0.0", new SimpleLocaleContext(Locale.US));
        Assert.assertEquals("42.0", converter.convert(Integer.valueOf(42)));
    }

}