log4j-core/src/test/java/org/apache/logging/log4j/core/lookup/MainInputArgumentsJmxLookupTest.java

/*
 * 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.logging.log4j.core.lookup;

import org.junit.jupiter.api.Test;

import static org.junit.jupiter.api.Assertions.*;

/**
 * Tests {@link JmxRuntimeInputArgumentsLookup} from the command line, not a JUnit test.
 *
 * From an IDE or CLI: --file foo.txt
 *
 * @since 2.1
 */
public class MainInputArgumentsJmxLookupTest {

    public static void main(final String[] args) {
        new MainInputArgumentsJmxLookupTest().callFromMain();
    }

    @Test
    public void testMap() {
        final JmxRuntimeInputArgumentsLookup lookup = JmxRuntimeInputArgumentsLookup.JMX_SINGLETON;
        assertNull(lookup.lookup(null));
        assertNull(lookup.lookup("X"));
        assertNull(lookup.lookup("foo.txt"));
    }

    public void callFromMain() {
        final JmxRuntimeInputArgumentsLookup lookup = JmxRuntimeInputArgumentsLookup.JMX_SINGLETON;
        assertNull(lookup.lookup(null));
        assertNull(lookup.lookup("X"));
        // Eclipse adds -Dfile.encoding=Cp1252
        // assertEquals("--file", lookup.lookup("0"));
        // assertEquals("foo.txt", lookup.lookup("1"));
        //
        // JMX does not include the main arguments.
        // assertEquals("foo.txt", lookup.lookup("--file"));
        // assertEquals(null, lookup.lookup("foo.txt"));
    }

}