/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file 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, 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.apache.freemarker.generator.tools.system;

import org.junit.Test;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;

public class SystemToolTest {

    private static final String USER = System.getenv("USER");

    @Test
    public void shouldGetProperties() {
        assertFalse(systemTool().getSystemProperties().isEmpty());
    }

    @Test
    public void shouldGetEnvs() {
        assertFalse(systemTool().getEnvs().isEmpty());
    }

    @Test
    public void shouldGetProperty() {
        assertEquals(USER, systemTool().getProperty("USER"));
    }

    @Test
    public void shouldGetPropertyWithDefault() {
        assertEquals("foo", systemTool().getProperty("_DOES_NOT_EXIST_", "foo"));
    }

    @Test
    public void shouldGetHostName() {
        assertFalse(systemTool().getHostName().isEmpty());
    }

    private SystemTool systemTool() {
        return new SystemTool();
    }

}