| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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.apache.slider.common.tools |
| |
| import org.apache.slider.core.exceptions.SliderException |
| import org.junit.Test |
| |
| class TestPortScan { |
| final shouldFail = new GroovyTestCase().&shouldFail |
| |
| @Test |
| public void testScanPorts() throws Throwable { |
| |
| ServerSocket server = new ServerSocket(0) |
| |
| try { |
| int serverPort = server.getLocalPort() |
| assert !SliderUtils.isPortAvailable(serverPort) |
| int port = SliderUtils.findFreePort(serverPort, 10) |
| assert port > 0 && serverPort < port |
| } finally { |
| server.close() |
| } |
| } |
| |
| @Test |
| public void testRequestedPortsLogic() throws Throwable { |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("5,6,8-10, 11,14 ,20 - 22") |
| List<Integer> ports = portScanner.remainingPortsToCheck |
| def expectedPorts = [5,6,8,9,10,11,14,20,21,22] |
| assert ports == expectedPorts |
| } |
| |
| @Test |
| public void testRequestedPortsOutOfOrder() throws Throwable { |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("8-10,5,6, 11,20 - 22, 14 ") |
| List<Integer> ports = portScanner.remainingPortsToCheck |
| def expectedPorts = [5,6,8,9,10,11,14,20,21,22] |
| assert ports == expectedPorts |
| } |
| |
| @Test |
| public void testFindAvailablePortInRange() throws Throwable { |
| ServerSocket server = new ServerSocket(0) |
| try { |
| int serverPort = server.getLocalPort() |
| |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("" + (serverPort-1) + "-" + (serverPort + 3)) |
| int port = portScanner.availablePort |
| assert port != serverPort |
| assert port >= serverPort -1 && port <= serverPort + 3 |
| } finally { |
| server.close() |
| } |
| } |
| |
| @Test |
| public void testFindAvailablePortInList() throws Throwable { |
| ServerSocket server = new ServerSocket(0) |
| try { |
| int serverPort = server.getLocalPort() |
| |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("" + (serverPort-1) + ", " + (serverPort + 1)) |
| int port = portScanner.availablePort |
| assert port != serverPort |
| assert port == serverPort -1 || port == serverPort + 1 |
| } finally { |
| server.close() |
| } |
| } |
| |
| @Test |
| public void testNoAvailablePorts() throws Throwable { |
| ServerSocket server1 = new ServerSocket(0) |
| ServerSocket server2 = new ServerSocket(0) |
| try { |
| int serverPort1 = server1.getLocalPort() |
| int serverPort2 = server2.getLocalPort() |
| |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("" + serverPort1+ ", " + serverPort2) |
| shouldFail(SliderException) { |
| portScanner.availablePort |
| } |
| } finally { |
| server1.close() |
| server2.close() |
| } |
| } |
| |
| @Test |
| public void testPortRemovedFromRange() throws Throwable { |
| ServerSocket server = new ServerSocket(0) |
| try { |
| int serverPort = server.getLocalPort() |
| |
| PortScanner portScanner = new PortScanner() |
| portScanner.setPortRange("" + (serverPort-1) + "-" + (serverPort + 3)) |
| int port = portScanner.availablePort |
| assert port != serverPort |
| assert port >= serverPort -1 && port <= serverPort + 3 |
| def isPortInList = port in portScanner.remainingPortsToCheck |
| assert !isPortInList |
| } finally { |
| server.close() |
| } |
| } |
| } |