OutputStreamTest.java

package org.dynjs.runtime;

import org.dynjs.Config;
import org.junit.Test;

import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.io.UnsupportedEncodingException;

import static org.fest.assertions.Assertions.assertThat;

public class OutputStreamTest {
    @Test
    public void testOutputStream() throws UnsupportedEncodingException, IOException {
        ByteArrayOutputStream bos = new ByteArrayOutputStream();
        PrintStream ps = new PrintStream(bos);

        Config config = new Config();
        config.setOutputStream(ps);
        DynJS dynjs = new DynJS(config);

        dynjs.evaluate("print(\"hello world\");");

        ps.flush();
        bos.flush();
        String result = bos.toString("UTF-8");

        assertThat(result).isEqualTo("hello world\n");

    }
}