@Test
public void testDataMap() {

    DataPipe thePipe = new DataPipe();
    thePipe.getDataMap().put("var1", "var1val");
    thePipe.getDataMap().put("var2", "var2val");
    thePipe.getDataMap().put("var3", "var3val");
    thePipe.getDataMap().put("var4", "var4val");
    thePipe.getDataMap().put("var5", "var5val");
    Assert.assertEquals(5, thePipe.getDataMap().size());
    Assert.assertEquals("var1val", thePipe.getDataMap().get("var1"));
    Assert.assertEquals("var2val", thePipe.getDataMap().get("var2"));
    Assert.assertEquals("var3val", thePipe.getDataMap().get("var3"));
    Assert.assertEquals("var4val", thePipe.getDataMap().get("var4"));
    Assert.assertEquals("var5val", thePipe.getDataMap().get("var5"));
}