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/*
*
* Copyright 2015 AT&T Foundry
*
* 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.aaa;
import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertNull;
public class StateMachineTest {
StateMachine stateMachine = null;
@Before
public void setUp() {
System.out.println("Set Up.");
StateMachine.bitSet.clear();
StateMachine.initializeMaps();
stateMachine = new StateMachine("session0", null);
}
@After
public void tearDown() {
System.out.println("Tear Down.");
StateMachine.bitSet.clear();
StateMachine.destroyMaps();
stateMachine = null;
}
@Test
/**
* Test all the basic inputs from state to state: IDLE -> STARTED -> PENDING -> AUTHORIZED -> IDLE
*/
public void basic() throws StateMachineException {
System.out.println("======= BASIC =======.");
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
}
@Test
/**
* Test all inputs from an IDLE state (starting with the ones that are not impacting the current state)
*/
public void testIdleState() throws StateMachineException {
System.out.println("======= IDLE STATE TEST =======.");
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
}
@Test
/**
* Test all inputs from an STARTED state (starting with the ones that are not impacting the current state)
*/
public void testStartedState() throws StateMachineException {
System.out.println("======= STARTED STATE TEST =======.");
stateMachine.start();
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_STARTED);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
}
@Test
/**
* Test all inputs from a PENDING state (starting with the ones that are not impacting the current state).
* The next valid state for this test is AUTHORIZED
*/
public void testPendingStateToAuthorized() throws StateMachineException {
System.out.println("======= PENDING STATE TEST (AUTHORIZED) =======.");
stateMachine.start();
stateMachine.requestAccess();
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
}
@Test
/**
* Test all inputs from an PENDING state (starting with the ones that are not impacting the current state).
* The next valid state for this test is UNAUTHORIZED
*/
public void testPendingStateToUnauthorized() throws StateMachineException {
System.out.println("======= PENDING STATE TEST (DENIED) =======.");
stateMachine.start();
stateMachine.requestAccess();
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_PENDING);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
}
@Test
/**
* Test all inputs from an AUTHORIZED state (starting with the ones that are not impacting the current state).
*/
public void testAuthorizedState() throws StateMachineException {
System.out.println("======= AUTHORIZED STATE TEST =======.");
stateMachine.start();
stateMachine.requestAccess();
stateMachine.authorizeAccess();
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_AUTHORIZED);
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
}
@Test
/**
* Test all inputs from an UNAUTHORIZED state (starting with the ones that are not impacting the current state).
*/
public void testUnauthorizedState() throws StateMachineException {
System.out.println("======= UNAUTHORIZED STATE TEST =======.");
stateMachine.start();
stateMachine.requestAccess();
stateMachine.denyAccess();
stateMachine.start();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
stateMachine.requestAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
stateMachine.authorizeAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
stateMachine.denyAccess();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_UNAUTHORIZED);
stateMachine.logoff();
Assert.assertEquals(stateMachine.state(), StateMachine.STATE_IDLE);
}
@Test
public void testIdentifierAvailability() throws StateMachineException {
System.out.println("======= IDENTIFIER TEST =======.");
byte identifier = stateMachine.identifier();
System.out.println("State: " + stateMachine.state());
System.out.println("Identifier: " + Byte.toUnsignedInt(identifier));
Assert.assertEquals(-1, identifier);
stateMachine.start();
StateMachine sm247 = null;
StateMachine sm3 = null;
//create 255 others state machines
for (int i = 1; i <= 255; i++) {
StateMachine sm = new StateMachine("session" + i, null);
sm.start();
byte id = sm.identifier();
Assert.assertEquals(i, Byte.toUnsignedInt(id));
if (i == 3) {
sm3 = sm;
System.out.println("SM3: " + sm3.toString());
}
if (i == 247) {
sm247 = sm;
System.out.println("SM247: " + sm247.toString());
}
}
//simulate the state machine for a specific session and logoff so we can free up a spot for an identifier
//let's choose identifier 247 then we free up 3
Assert.assertNotNull(sm247);
sm247.requestAccess();
sm247.authorizeAccess();
sm247.logoff();
Assert.assertNotNull(sm3);
sm3.requestAccess();
sm3.authorizeAccess();
sm3.logoff();
StateMachine otherSM3 = new StateMachine("session3b", null);
otherSM3.start();
otherSM3.requestAccess();
byte id3 = otherSM3.identifier();
Assert.assertEquals(3, Byte.toUnsignedInt(id3));
StateMachine otherSM247 = new StateMachine("session247b", null);
otherSM247.start();
otherSM247.requestAccess();
byte id247 = otherSM247.identifier();
Assert.assertEquals(247, Byte.toUnsignedInt(id247));
}
@Test
public void testSessionIdLookups() {
String sessionId1 = "session1";
String sessionId2 = "session2";
String sessionId3 = "session3";
StateMachine machine1ShouldBeNull =
StateMachine.lookupStateMachineBySessionId(sessionId1);
assertNull(machine1ShouldBeNull);
StateMachine machine2ShouldBeNull =
StateMachine.lookupStateMachineBySessionId(sessionId2);
assertNull(machine2ShouldBeNull);
StateMachine stateMachine1 = new StateMachine(sessionId1, null);
StateMachine stateMachine2 = new StateMachine(sessionId2, null);
assertEquals(stateMachine1,
StateMachine.lookupStateMachineBySessionId(sessionId1));
assertEquals(stateMachine2,
StateMachine.lookupStateMachineBySessionId(sessionId2));
assertNull(StateMachine.lookupStateMachineBySessionId(sessionId3));
}
@Test
public void testIdentifierLookups() throws StateMachineException {
String sessionId1 = "session1";
String sessionId2 = "session2";
StateMachine machine1ShouldBeNull =
StateMachine.lookupStateMachineById((byte) 1);
assertNull(machine1ShouldBeNull);
StateMachine machine2ShouldBeNull =
StateMachine.lookupStateMachineById((byte) 2);
assertNull(machine2ShouldBeNull);
StateMachine stateMachine1 = new StateMachine(sessionId1, null);
stateMachine1.start();
StateMachine stateMachine2 = new StateMachine(sessionId2, null);
stateMachine2.start();
assertEquals(stateMachine1,
StateMachine.lookupStateMachineById(stateMachine1.identifier()));
assertEquals(stateMachine2,
StateMachine.lookupStateMachineById(stateMachine2.identifier()));
}
}
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