@Test
public void testGetScopesFromExpression() {

    List<String> scopes = QueryUtils.getScopesFromExpression("SUM(DOWNSAMPLE(UNION(-1h:argus.core:alerts.scheduled:zimsum:1m-sum,-1h:argus.core:alerts.evaluated:zimsum:1m-sum),#1m-avg#),#union#)");
    assertEquals(scopes.size(),1);
    assertEquals(scopes.get(0),"argus.core");
    scopes = QueryUtils.getScopesFromExpression("FILL(#-1d#,#-0d#,#4h#,#0m#,#100#)");
    assertEquals(scopes.size(),0);
    scopes = QueryUtils.getScopesFromExpression("DIVIDE(SUM(-1h:argus.core1:alerts.scheduled:zimsum:1m-sum, -1h:argus.core2:alerts.evaluated:zimsum:1m-sum), -1h:argus.core3:alerts.scheduled:zimsum:1m-sum)");
    assertEquals(scopes.size(),3);
    assertTrue(scopes.contains(new String("argus.core1")));
    assertTrue(scopes.contains(new String("argus.core2")));
    assertTrue(scopes.contains(new String("argus.core3")));
    scopes = QueryUtils.getScopesFromExpression("DIVIDE(SUM(-1h:system.*.NONE:alerts.scheduled:zimsum:1m-sum, -1h:argus.core2:alerts.evaluated:zimsum:1m-sum), -1h:argus.core3:alerts.scheduled:zimsum:1m-sum)");
    assertEquals(scopes.size(),3);
}