print out env variables in IDEA on mac

EnvTest.java

package com.jawspeak;

import org.junit.Test;

import java.io.BufferedReader;
import java.io.InputStreamReader;

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


/**
 * Because maven expects to have env properties set, and they
 * need to be set in /etc/launchd.conf (or IntelliJ's startup script). 
 */
public class EnvTest {

    @Test
    public void shouldPrintOutAllIntelliJProcessEnvironmentalVariables() throws Exception {
        Process p = Runtime.getRuntime().exec("/usr/bin/env");

        int result = p.waitFor();
        assertEquals(0, result);
        assertNotNull(p);
        BufferedReader r = new BufferedReader(new InputStreamReader(p.getInputStream()));
        String s;
        while ((s = r.readLine()) != null) {
            System.out.println(s);
        }
    }
}