Thomas Vachuska | 5420ba3 | 2016-05-13 14:45:25 -0400 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2016 Open Networking Laboratory |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | package org.onlab.warden; |
| 18 | |
| 19 | import com.google.common.io.Files; |
| 20 | import org.junit.After; |
| 21 | import org.junit.Before; |
| 22 | import org.junit.Test; |
| 23 | import org.onlab.util.Tools; |
| 24 | |
| 25 | import java.io.File; |
| 26 | import java.io.IOException; |
| 27 | import java.util.Objects; |
| 28 | |
| 29 | import static org.junit.Assert.*; |
| 30 | |
| 31 | /** |
| 32 | * Suite of tests for the cell warden. |
| 33 | */ |
| 34 | public class WardenTest { |
| 35 | |
| 36 | private Warden warden; |
| 37 | private File cells; |
| 38 | private File supportedCells; |
| 39 | |
| 40 | @Before |
| 41 | public void setUp() throws IOException { |
| 42 | // Setup warden to be tested |
| 43 | Warden.root = Files.createTempDir(); |
| 44 | Warden.cmdPrefix = "echo "; |
| 45 | cells = new File(Warden.root, "cells"); |
| 46 | supportedCells = new File(cells, "supported"); |
| 47 | warden = new Warden(); |
| 48 | |
| 49 | // Setup test cell information |
| 50 | createCell("alpha", "foo"); |
| 51 | createCell("bravo", "foo"); |
| 52 | createCell("charlie", "foo"); |
| 53 | createCell("delta", "bar"); |
| 54 | createCell("echo", "bar"); |
| 55 | createCell("foxtrot", "bar"); |
| 56 | |
| 57 | new File("warden.log").deleteOnExit(); |
| 58 | } |
| 59 | |
| 60 | private void createCell(String cellName, String hostName) throws IOException { |
| 61 | File cellFile = new File(supportedCells, cellName); |
| 62 | Files.createParentDirs(cellFile); |
| 63 | Files.write((hostName + " " + cellName).getBytes(), cellFile); |
| 64 | } |
| 65 | |
| 66 | @After |
| 67 | public void tearDown() throws IOException { |
| 68 | Tools.removeDirectory(Warden.root); |
| 69 | } |
| 70 | |
| 71 | @Test |
| 72 | public void basics() { |
| 73 | assertEquals("incorrect number of cells", 6, warden.getCells().size()); |
| 74 | validateSizes(6, 0); |
| 75 | |
| 76 | String cellDefinition = warden.borrowCell("dude", "the-key", 0, null); |
| 77 | assertTrue("incorrect definition", cellDefinition.contains("cell-def")); |
| 78 | validateSizes(5, 1); |
| 79 | |
| 80 | Reservation dudeCell = warden.currentUserReservation("dude"); |
| 81 | validateCellState(dudeCell); |
| 82 | |
| 83 | warden.borrowCell("dolt", "a-key", 0, "4+1"); |
| 84 | Reservation doltCell = warden.currentUserReservation("dolt"); |
| 85 | validateCellState(doltCell); |
| 86 | validateSizes(4, 2); |
| 87 | |
Thomas Vachuska | ea31609 | 2016-05-16 09:50:44 -0700 | [diff] [blame] | 88 | assertFalse("cells should not be on the same host", |
| 89 | Objects.equals(warden.getCellHost(dudeCell.cellName), |
| 90 | warden.getCellHost(doltCell.cellName))); |
Thomas Vachuska | 5420ba3 | 2016-05-13 14:45:25 -0400 | [diff] [blame] | 91 | |
| 92 | warden.returnCell("dude"); |
| 93 | validateSizes(5, 1); |
| 94 | |
| 95 | warden.borrowCell("dolt", "a-key", 30, null); |
| 96 | validateSizes(5, 1); |
| 97 | |
| 98 | warden.returnCell("dolt"); |
| 99 | validateSizes(6, 0); |
| 100 | } |
| 101 | |
| 102 | private void validateSizes(int available, int reserved) { |
| 103 | assertEquals("incorrect number of available cells", available, |
| 104 | warden.getAvailableCells().size()); |
| 105 | assertEquals("incorrect number of reserved cells", reserved, |
| 106 | warden.getReservedCells().size()); |
| 107 | } |
| 108 | |
| 109 | private void validateCellState(Reservation reservation) { |
| 110 | assertFalse("cell should not be available", |
| 111 | warden.getAvailableCells().contains(reservation.cellName)); |
| 112 | assertTrue("cell should be reserved", |
| 113 | warden.getReservedCells().contains(reservation.cellName)); |
| 114 | } |
| 115 | |
| 116 | } |