PropertiesTest.java

/*
 * Copyright 2015 Red Hat, Inc. and/or its affiliates.
 *
 * 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.uberfire.java.nio.base;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Date;
import java.util.HashMap;
import java.util.Map;

import org.junit.Test;

import static org.junit.Assert.*;

/**
 *
 */
public class PropertiesTest {

    @Test
    public void testState() throws IOException {
        final File fcontent = File.createTempFile("foo",
                                                  "bar");
        final Properties properties = new Properties();
        final Date dt = new Date();

        properties.put("int",
                       10453);
        properties.put("long",
                       1000000L);
        properties.put("date",
                       dt);

        final OutputStream out = new FileOutputStream(fcontent);
        properties.store(out);

        final Properties loadProperties = new Properties();

        final InputStream in = new FileInputStream(fcontent);
        loadProperties.load(in);

        assertNotNull(properties.get("int"));
        assertNotNull(properties.get("long"));
        assertNotNull(properties.get("date"));

        assertEquals(10453,
                     properties.get("int"));
        assertEquals(1000000L,
                     properties.get("long"));
        assertEquals(dt,
                     properties.get("date"));
    }

    @Test
    public void testEmptyState() throws IOException {
        final File fcontent = File.createTempFile("foo2",
                                                  "bar");
        final Properties loadProperties = new Properties();

        final InputStream in = new FileInputStream(fcontent);
        loadProperties.load(in);

        assertEquals(0,
                     loadProperties.size());
    }

    @Test
    public void testNullValues() throws IOException {
        final Map<String, Object> original = new HashMap<String, Object>();
        original.put("key1",
                     "value1");
        original.put("key2",
                     null);

        final Properties properties = new Properties(original);

        assertEquals(1,
                     properties.size());
        assertTrue(properties.containsKey("key1"));
        assertEquals("value1",
                     properties.get("key1"));
        assertFalse(properties.containsKey("key2"));
    }
}