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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vdslib.state;
import org.junit.Test;
import java.text.ParseException;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
public class NodeStateTestCase {
@Test
public void testOrdinals() {
NodeType nt = NodeType.STORAGE;
// All states are above maintenance
assertFalse(new NodeState(nt, State.MAINTENANCE).above(new NodeState(nt, State.MAINTENANCE)));
assertTrue(new NodeState(nt, State.DOWN).above(new NodeState(nt, State.MAINTENANCE)));
assertTrue(new NodeState(nt, State.STOPPING).above(new NodeState(nt, State.MAINTENANCE)));
assertTrue(new NodeState(nt, State.INITIALIZING).above(new NodeState(nt, State.MAINTENANCE)));
assertTrue(new NodeState(nt, State.RETIRED).above(new NodeState(nt, State.MAINTENANCE)));
assertTrue(new NodeState(nt, State.UP).above(new NodeState(nt, State.MAINTENANCE)));
// Most are above down
assertFalse(new NodeState(nt, State.MAINTENANCE).above(new NodeState(nt, State.DOWN)));
assertFalse(new NodeState(nt, State.DOWN).above(new NodeState(nt, State.DOWN)));
assertTrue(new NodeState(nt, State.STOPPING).above(new NodeState(nt, State.DOWN)));
assertTrue(new NodeState(nt, State.INITIALIZING).above(new NodeState(nt, State.DOWN)));
assertTrue(new NodeState(nt, State.RETIRED).above(new NodeState(nt, State.DOWN)));
assertTrue(new NodeState(nt, State.UP).above(new NodeState(nt, State.DOWN)));
// Only up is above retired
assertFalse(new NodeState(nt, State.MAINTENANCE).above(new NodeState(nt, State.RETIRED)));
assertFalse(new NodeState(nt, State.DOWN).above(new NodeState(nt, State.RETIRED)));
assertFalse(new NodeState(nt, State.STOPPING).above(new NodeState(nt, State.RETIRED)));
assertFalse(new NodeState(nt, State.INITIALIZING).above(new NodeState(nt, State.RETIRED)));
assertFalse(new NodeState(nt, State.RETIRED).above(new NodeState(nt, State.RETIRED)));
assertTrue(new NodeState(nt, State.UP).above(new NodeState(nt, State.RETIRED)));
}
@Test
public void testSerialization() throws ParseException {
NodeState ns = new NodeState(NodeType.STORAGE, State.MAINTENANCE);
assertEquals("s:m", ns.serialize(false));
assertEquals("s:m", ns.serialize(true));
assertEquals(ns, NodeState.deserialize(NodeType.STORAGE, "s:m"));
assertEquals(ns, NodeState.deserialize(NodeType.STORAGE, "s:m c:1.0 r:1 d:0 t:0"));
NodeState nsd = new NodeState(NodeType.DISTRIBUTOR, State.MAINTENANCE);
assertEquals(nsd, NodeState.deserialize(NodeType.DISTRIBUTOR, "s:m"));
assertEquals(nsd, NodeState.deserialize(NodeType.DISTRIBUTOR, "s:m c:2.0 r:2 d:2")); // Ignore capacity, reliability, and disk count for distributors
assertEquals(ns, NodeState.deserialize(NodeType.STORAGE, ": s:m sbadkey:u bbadkey:2 cbadkey:2.0 rbadkey:2 ibadkey:0.5 tbadkey:2 mbadkey:message dbadkey:2 unknownkey:somevalue"));
try {
NodeState.deserialize(NodeType.STORAGE, "s:m badtokenwithoutcolon");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m c:badvalue");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m i:badvalue");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m t:badvalue");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m t:-1");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m d:badvalue");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m d.badkey:badvalue");
fail("Should fail");
} catch (Exception ignored) {}
try {
NodeState.deserialize(NodeType.STORAGE, "s:m d.1:badindex");
fail("Should fail");
} catch (Exception ignored) {}
ns = new NodeState(NodeType.STORAGE, State.UP).setDescription("Foo bar");
assertEquals("", ns.serialize(2, false));
assertEquals("m:Foo\\x20bar", ns.serialize(false));
assertEquals("m:Foo\\x20bar", ns.serialize(true));
ns = new NodeState(NodeType.STORAGE, State.MAINTENANCE).setDescription("Foo bar").setCapacity(1.2f)
.setMinUsedBits(12).setStartTimestamp(5);
assertEquals(".2.s:m .2.c:1.2 .2.t:5", ns.serialize(2, false));
assertEquals("s:m c:1.2 t:5 b:12 m:Foo\\x20bar", ns.serialize(false));
assertEquals("s:m c:1.2 t:5 b:12 m:Foo\\x20bar", ns.serialize(true));
NodeState ns2 = NodeState.deserialize(NodeType.STORAGE, "s:m c:1.2 t:5 b:12 m:Foo\\x20bar");
assertEquals(ns, ns2);
NodeState copy1 = NodeState.deserialize(NodeType.STORAGE, ns.serialize(false));
NodeState copy2 = NodeState.deserialize(NodeType.STORAGE, ns.serialize(true));
assertEquals(ns, copy1);
assertEquals(ns, copy2);
assertEquals(copy1, copy2);
assertEquals(ns.serialize(false), copy1.serialize(false));
assertEquals(ns.serialize(false), copy2.serialize(false));
assertEquals(ns.serialize(true), copy2.serialize(true));
}
@Test
public void testSimilarTo() {
{
NodeState ns1 = new NodeState(NodeType.STORAGE, State.INITIALIZING).setInitProgress(0);
NodeState ns2 = new NodeState(NodeType.STORAGE, State.INITIALIZING).setInitProgress(NodeState.getListingBucketsInitProgressLimit() / 2);
NodeState ns3 = new NodeState(NodeType.STORAGE, State.INITIALIZING).setInitProgress(NodeState.getListingBucketsInitProgressLimit());
NodeState ns4 = new NodeState(NodeType.STORAGE, State.INITIALIZING).setInitProgress(NodeState.getListingBucketsInitProgressLimit() * 2);
assertTrue(ns1.similarTo(ns2));
assertFalse(ns2.similarTo(ns3));
assertTrue(ns3.similarTo(ns4));
assertTrue(ns1.similarToIgnoringInitProgress(ns2));
assertTrue(ns1.similarToIgnoringInitProgress(ns3));
assertTrue(ns3.similarToIgnoringInitProgress(ns1));
assertTrue(ns1.similarToIgnoringInitProgress(ns4));
assertTrue(ns2.similarToIgnoringInitProgress(ns4));
assertNotEquals(ns1, ns2);
assertNotEquals(ns2, ns3);
assertNotEquals(ns3, ns4);
assertNotEquals("class not instance of NodeState", ns1);
assertFalse(ns1.similarTo("class not instance of NodeState"));
}
{
NodeState ns1 = new NodeState(NodeType.STORAGE, State.UP).setMinUsedBits(16);
NodeState ns2 = new NodeState(NodeType.STORAGE, State.UP).setMinUsedBits(18);
assertTrue(ns1.similarTo(ns2));
assertTrue(ns1.similarToIgnoringInitProgress(ns2));
assertNotEquals(ns1, ns2);
}
}
@Test
public void testReadableOutput() {
// toString() and getDiff() is mostly there just to make good error reports when unit tests fails. Make sure toString() is actually run with no test failures
// to make sure coverage doesn't complain when no test is failing.
NodeState ns = new NodeState(NodeType.STORAGE, State.MAINTENANCE);
String expected = "Maintenance => Up";
assertEquals(expected, ns.getTextualDifference(new NodeState(NodeType.STORAGE, State.UP)).substring(0, expected.length()));
NodeState ns1 = new NodeState(NodeType.STORAGE, State.MAINTENANCE).setDescription("Foo bar").setCapacity(1.2f)
.setMinUsedBits(12).setStartTimestamp(5);
ns1.toString();
ns1.toString(true);
expected = "Maintenance => Up, capacity: 1.2 => 1.0, minUsedBits: 12 => 16, startTimestamp: 5 => 0, description: Foo bar => ";
assertEquals(expected, ns1.getTextualDifference(new NodeState(NodeType.STORAGE, State.UP)).substring(0, expected.length()));
}
@Test
public void testValidInClusterState() {
try{
new NodeState(NodeType.DISTRIBUTOR, State.UNKNOWN).verifyValidInSystemState(NodeType.DISTRIBUTOR);
fail("Should not be valid");
} catch (Exception ignored) {}
try{
new NodeState(NodeType.DISTRIBUTOR, State.UP).setCapacity(3).verifyValidInSystemState(NodeType.DISTRIBUTOR);
fail("Should not be valid");
} catch (Exception ignored) {}
}
}
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