@Test
public void expandExpr() {
Nodes.addNode(new Node("nn", Node.Type.NAMENODE));
Nodes.addNode(new Node("dn0", Node.Type.DATANODE));
Nodes.addNode(new Node("dn1", Node.Type.DATANODE));
// id list
assertEquals(Arrays.asList("nn", "dn2"), Nodes.expandExpr("nn,dn2"));
// wildcard
assertEquals(Arrays.asList("dn0", "dn1"), Nodes.expandExpr("dn*"));
assertEquals(Arrays.asList("nn", "dn0", "dn1"), Nodes.expandExpr("*"));
// range
assertEquals(Arrays.asList("1", "2", "3"), Nodes.expandExpr("1..3"));
assertEquals(Arrays.asList("dn1", "dn2", "dn3"), Nodes.expandExpr("dn1..3"));
}
