// Note we're not testing the graphing itself, just the parsing
this.jrbFileName = "target/test-graph-cmd.jrb";
RrdDef def = new RrdDef(this.jrbFileName);
def.setStartTime(1000);
def.setStep(1);
def.addDatasource("testvalue", "GAUGE", 2, Double.NaN, Double.NaN);
def.addArchive("RRA:AVERAGE:0.5:1:100");
RrdDb rrd = new RrdDb(def);
rrd.close();
this.graphCmd = new RrdGraphCmd();