ClosureTest.java

/*
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 * 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
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package org.apache.felix.gogo.runtime;

import org.junit.Test;

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.util.Collections;

import static org.junit.Assert.assertEquals;

public class ClosureTest {

    @Test
    public void testParentSessionClosure() throws Exception {
        CommandProcessorImpl processor = new CommandProcessorImpl(null);
        ByteArrayInputStream bais = new ByteArrayInputStream("".getBytes());
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        CommandSessionImpl parent = processor.createSession(bais, baos, baos);
        parent.execute("var = a");
        parent.execute("cmd = { $var }");
        CommandSessionImpl child = processor.createSession(parent);
        child.execute("var = b");
        assertEquals("a", ((Closure) parent.get("cmd")).execute(parent, Collections.emptyList()).toString());
        assertEquals("b", ((Closure) parent.get("cmd")).execute(child, Collections.emptyList()).toString());
    }
}