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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.net.intent;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
import org.onosproject.core.IdGenerator;
import org.onosproject.store.Timestamp;
import com.google.common.testing.EqualsTester;
import static junit.framework.TestCase.assertFalse;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.is;
import static org.junit.Assert.assertTrue;
import static org.onosproject.net.intent.IntentTestsMocks.MockIntent;
import static org.onosproject.net.intent.IntentTestsMocks.MockTimestamp;
/**
* Unit tests for intent data objects.
*/
public class IntentDataTest {
private Timestamp timestamp1;
private Timestamp timestamp2;
private Timestamp timestamp3;
private Intent intent1;
private Intent intent2;
private Intent intent3;
private IntentData data1;
private IntentData data1Copy;
private IntentData data2;
private IntentData data2Copy;
private IntentData data3;
private IntentData data3Copy;
IdGenerator idGenerator;
@Before
public void setUpTest() {
idGenerator = new MockIdGenerator();
Intent.bindIdGenerator(idGenerator);
timestamp1 = new MockTimestamp(1);
timestamp2 = new MockTimestamp(2);
timestamp3 = new MockTimestamp(3);
intent1 = new MockIntent(1L);
intent2 = new MockIntent(2L);
intent3 = new MockIntent(3L);
data1 = new IntentData(intent1, IntentState.INSTALLED, timestamp1);
data1Copy = new IntentData(intent1, IntentState.INSTALLED, timestamp1);
data2 = new IntentData(intent2, IntentState.INSTALLED, timestamp2);
data2Copy = new IntentData(intent2, IntentState.INSTALLED, timestamp2);
data3 = new IntentData(intent3, IntentState.INSTALLED, timestamp3);
data3Copy = new IntentData(intent3, IntentState.INSTALLED, timestamp3);
}
@After
public void tearDownTest() {
Intent.unbindIdGenerator(idGenerator);
}
/**
* Checks that intent data objects are properly constructed.
*/
@Test
public void checkConstruction() {
assertThat(data1.state(), is(IntentState.INSTALLED));
assertThat(data1.version(), is(timestamp1));
assertThat(data1.intent(), is(intent1));
}
/**
* Checks equals() for intent data objects.
*/
@Test
public void checkEquals() {
new EqualsTester()
.addEqualityGroup(data1, data1Copy)
.addEqualityGroup(data2, data2Copy)
.addEqualityGroup(data3, data3Copy)
.testEquals();
}
@Test
public void testIsUpdateAcceptable() {
// Going from null to something is always allowed
assertTrue(IntentData.isUpdateAcceptable(null, data1));
// we can go from older version to newer but not they other way
assertTrue(IntentData.isUpdateAcceptable(data1, data2));
assertFalse(IntentData.isUpdateAcceptable(data2, data1));
IntentData installing = new IntentData(intent1, IntentState.INSTALLING, timestamp1);
IntentData installed = new IntentData(intent1, IntentState.INSTALLED, timestamp1);
IntentData withdrawing = new IntentData(intent1, IntentState.WITHDRAWING, timestamp1);
IntentData withdrawn = new IntentData(intent1, IntentState.WITHDRAWN, timestamp1);
IntentData failed = new IntentData(intent1, IntentState.FAILED, timestamp1);
IntentData purgeReq = new IntentData(intent1, IntentState.PURGE_REQ, timestamp1);
IntentData compiling = new IntentData(intent1, IntentState.COMPILING, timestamp1);
IntentData recompiling = new IntentData(intent1, IntentState.RECOMPILING, timestamp1);
IntentData installReq = new IntentData(intent1, IntentState.INSTALL_REQ, timestamp1);
IntentData withdrawReq = new IntentData(intent1, IntentState.WITHDRAW_REQ, timestamp1);
// We can't change to the same state
assertFalse(IntentData.isUpdateAcceptable(installing, installing));
assertFalse(IntentData.isUpdateAcceptable(installed, installed));
// From installing we can change to installed
assertTrue(IntentData.isUpdateAcceptable(installing, installed));
// Sanity checks in case the manager submits bogus state transitions
assertFalse(IntentData.isUpdateAcceptable(installing, withdrawing));
assertFalse(IntentData.isUpdateAcceptable(installing, withdrawn));
assertFalse(IntentData.isUpdateAcceptable(installed, withdrawing));
assertFalse(IntentData.isUpdateAcceptable(installed, withdrawn));
// We can't change to the same state
assertFalse(IntentData.isUpdateAcceptable(withdrawing, withdrawing));
assertFalse(IntentData.isUpdateAcceptable(withdrawn, withdrawn));
// From withdrawing we can change to withdrawn
assertTrue(IntentData.isUpdateAcceptable(withdrawing, withdrawn));
// Sanity checks in case the manager submits bogus state transitions
assertFalse(IntentData.isUpdateAcceptable(withdrawing, installing));
assertFalse(IntentData.isUpdateAcceptable(withdrawing, installed));
assertFalse(IntentData.isUpdateAcceptable(withdrawn, installing));
assertFalse(IntentData.isUpdateAcceptable(withdrawn, installed));
// We can't go from failed to failed
assertFalse(IntentData.isUpdateAcceptable(failed, failed));
// But we can go from any install* or withdraw* state to failed
assertTrue(IntentData.isUpdateAcceptable(installing, failed));
assertTrue(IntentData.isUpdateAcceptable(installed, failed));
assertTrue(IntentData.isUpdateAcceptable(withdrawing, failed));
assertTrue(IntentData.isUpdateAcceptable(withdrawn, failed));
// We can go from anything to purgeReq
assertTrue(IntentData.isUpdateAcceptable(installing, purgeReq));
assertTrue(IntentData.isUpdateAcceptable(installed, purgeReq));
assertTrue(IntentData.isUpdateAcceptable(withdrawing, purgeReq));
assertTrue(IntentData.isUpdateAcceptable(withdrawn, purgeReq));
assertTrue(IntentData.isUpdateAcceptable(failed, purgeReq));
// We can't go from purgeReq back to anything else
assertFalse(IntentData.isUpdateAcceptable(purgeReq, withdrawn));
assertFalse(IntentData.isUpdateAcceptable(purgeReq, withdrawing));
assertFalse(IntentData.isUpdateAcceptable(purgeReq, installed));
assertFalse(IntentData.isUpdateAcceptable(purgeReq, installing));
// We're never allowed to store transient states
assertFalse(IntentData.isUpdateAcceptable(installing, compiling));
assertFalse(IntentData.isUpdateAcceptable(installing, recompiling));
assertFalse(IntentData.isUpdateAcceptable(installing, installReq));
assertFalse(IntentData.isUpdateAcceptable(installing, withdrawReq));
}
}
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