MessageFormatTest.java

/*
 * Copyright (C) 2013 David Sowerby
 * 
 * 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 uk.q3c.util;

import org.junit.Test;

import static org.assertj.core.api.Assertions.assertThat;

public class MessageFormatTest {
    @Test
    public void formatValid() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}";
        Object[] arguments = new Object[]{"parameters", "simple", "order"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo("This is a simple pattern where the parameters can be in any order");

    }

    @Test
    public void formatValidContiguous() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}{3}";
        Object[] arguments = new Object[]{"parameters", "simple", "order", " you like"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo("This is a simple pattern where the parameters can be in any order you like");

    }

    @Test
    public void formatValid0_9() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}{3}{4}{5}{6}{7}{8}{9}";
        Object[] arguments = new Object[]{"parameters", "simple", "order", "a", "b", "c", "d", "e", "f", "g"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo("This is a simple pattern where the parameters can be in any orderabcdefg");

    }

    @Test
    public void formatValidDoubleDigit() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}{3}{4}{5}{6}{7}{8}{9}{10}";
        Object[] arguments = new Object[]{"parameters", "simple", "order", "a", "b", "c", "d", "e", "f", "g", "h"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo("This is a simple pattern where the parameters can be in any orderabcdefgh");

    }

    @Test
    public void formatValidEscaped() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2} ignoring \\{3}";
        Object[] arguments = new Object[]{"parameters", "simple", "order"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo("This is a simple pattern where the parameters can be in any order ignoring {3}");

    }

    @Test
    public void formatTooManyArguments() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}";
        Object[] arguments = new Object[]{"parameters", "simple", "order", "butty"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo(pattern);

    }

    @Test
    public void formatTooFewArguments() {

        // given
        String pattern = "This is a {1} pattern where the {0} can be in any {2}";
        Object[] arguments = new Object[]{"parameters", "simple"};
        // when
        String result = MessageFormat.format(pattern, arguments);
        // then
        assertThat(result).isEqualTo(pattern);

    }

}