| 1 | /* |
| 2 | * Copyright (c) 2001-2009, Jean Tessier |
| 3 | * All rights reserved. |
| 4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
| 8 | * |
| 9 | * * Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * |
| 12 | * * Redistributions in binary form must reproduce the above copyright |
| 13 | * notice, this list of conditions and the following disclaimer in the |
| 14 | * documentation and/or other materials provided with the distribution. |
| 15 | * |
| 16 | * * Neither the name of Jean Tessier nor the names of his contributors |
| 17 | * may be used to endorse or promote products derived from this software |
| 18 | * without specific prior written permission. |
| 19 | * |
| 20 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR |
| 24 | * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| 25 | * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| 26 | * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| 27 | * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF |
| 28 | * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING |
| 29 | * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 30 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | */ |
| 32 | |
| 33 | package com.jeantessier.dependency; |
| 34 | |
| 35 | import java.util.*; |
| 36 | import java.io.*; |
| 37 | |
| 38 | import junit.framework.*; |
| 39 | |
| 40 | public class TestTextCyclePrinter extends TestCase { |
| 41 | private Node a_package; |
| 42 | private Node b_package; |
| 43 | private Node c_package; |
| 44 | |
| 45 | protected void setUp() throws Exception { |
| 46 | super.setUp(); |
| 47 | |
| 48 | NodeFactory factory = new NodeFactory(); |
| 49 | |
| 50 | a_package = factory.createPackage("a"); |
| 51 | b_package = factory.createPackage("b"); |
| 52 | c_package = factory.createPackage("c"); |
| 53 | } |
| 54 | |
| 55 | public void testVisitCycleWith2NodeCycle() { |
| 56 | List<Node> nodes = new ArrayList<Node>(); |
| 57 | nodes.add(a_package); |
| 58 | nodes.add(b_package); |
| 59 | Cycle cycle = new Cycle(nodes); |
| 60 | |
| 61 | StringWriter expected = new StringWriter(); |
| 62 | PrintWriter pw = new PrintWriter(expected); |
| 63 | pw.println(a_package); |
| 64 | pw.println(" --> " + b_package); |
| 65 | pw.println(" --> " + a_package); |
| 66 | pw.close(); |
| 67 | |
| 68 | StringWriter buffer = new StringWriter(); |
| 69 | PrintWriter out = new PrintWriter(buffer); |
| 70 | CyclePrinter printer = new TextCyclePrinter(out); |
| 71 | printer.visitCycle(cycle); |
| 72 | out.close(); |
| 73 | |
| 74 | assertEquals(expected.toString(), buffer.toString()); |
| 75 | } |
| 76 | |
| 77 | public void testVisitCycleWith2NodeCycleWithIndentText() { |
| 78 | List<Node> nodes = new ArrayList<Node>(); |
| 79 | nodes.add(a_package); |
| 80 | nodes.add(b_package); |
| 81 | Cycle cycle = new Cycle(nodes); |
| 82 | |
| 83 | StringWriter expected = new StringWriter(); |
| 84 | PrintWriter pw = new PrintWriter(expected); |
| 85 | pw.println(a_package); |
| 86 | pw.println("*--> " + b_package); |
| 87 | pw.println("**--> " + a_package); |
| 88 | pw.close(); |
| 89 | |
| 90 | StringWriter buffer = new StringWriter(); |
| 91 | PrintWriter out = new PrintWriter(buffer); |
| 92 | CyclePrinter printer = new TextCyclePrinter(out); |
| 93 | printer.setIndentText("*"); |
| 94 | printer.visitCycle(cycle); |
| 95 | out.close(); |
| 96 | |
| 97 | assertEquals(expected.toString(), buffer.toString()); |
| 98 | } |
| 99 | |
| 100 | public void testVisitCycleWith3NodeCycle() { |
| 101 | List<Node> nodes = new ArrayList<Node>(); |
| 102 | nodes.add(a_package); |
| 103 | nodes.add(b_package); |
| 104 | nodes.add(c_package); |
| 105 | Cycle cycle = new Cycle(nodes); |
| 106 | |
| 107 | StringWriter expected = new StringWriter(); |
| 108 | PrintWriter pw = new PrintWriter(expected); |
| 109 | pw.println(a_package); |
| 110 | pw.println(" --> " + b_package); |
| 111 | pw.println(" --> " + c_package); |
| 112 | pw.println(" --> " + a_package); |
| 113 | pw.close(); |
| 114 | |
| 115 | StringWriter buffer = new StringWriter(); |
| 116 | PrintWriter out = new PrintWriter(buffer); |
| 117 | CyclePrinter printer = new TextCyclePrinter(out); |
| 118 | printer.visitCycle(cycle); |
| 119 | out.close(); |
| 120 | |
| 121 | assertEquals(expected.toString(), buffer.toString()); |
| 122 | } |
| 123 | |
| 124 | public void testVisitCyclesWith2NodeCycle() { |
| 125 | List<Node> nodes = new ArrayList<Node>(); |
| 126 | nodes.add(a_package); |
| 127 | nodes.add(b_package); |
| 128 | Cycle cycle = new Cycle(nodes); |
| 129 | |
| 130 | StringWriter expected = new StringWriter(); |
| 131 | PrintWriter pw = new PrintWriter(expected); |
| 132 | pw.println(a_package); |
| 133 | pw.println(" --> " + b_package); |
| 134 | pw.println(" --> " + a_package); |
| 135 | pw.close(); |
| 136 | |
| 137 | StringWriter buffer = new StringWriter(); |
| 138 | PrintWriter out = new PrintWriter(buffer); |
| 139 | CyclePrinter printer = new TextCyclePrinter(out); |
| 140 | printer.visitCycles(Collections.singletonList(cycle)); |
| 141 | out.close(); |
| 142 | |
| 143 | assertEquals(expected.toString(), buffer.toString()); |
| 144 | } |
| 145 | |
| 146 | public void testVisitCyclesWith3NodeCycle() { |
| 147 | List<Node> nodes = new ArrayList<Node>(); |
| 148 | nodes.add(a_package); |
| 149 | nodes.add(b_package); |
| 150 | nodes.add(c_package); |
| 151 | Cycle cycle = new Cycle(nodes); |
| 152 | |
| 153 | StringWriter expected = new StringWriter(); |
| 154 | PrintWriter pw = new PrintWriter(expected); |
| 155 | pw.println(a_package); |
| 156 | pw.println(" --> " + b_package); |
| 157 | pw.println(" --> " + c_package); |
| 158 | pw.println(" --> " + a_package); |
| 159 | pw.close(); |
| 160 | |
| 161 | StringWriter buffer = new StringWriter(); |
| 162 | PrintWriter out = new PrintWriter(buffer); |
| 163 | CyclePrinter printer = new TextCyclePrinter(out); |
| 164 | printer.visitCycles(Collections.singletonList(cycle)); |
| 165 | out.close(); |
| 166 | |
| 167 | assertEquals(expected.toString(), buffer.toString()); |
| 168 | } |
| 169 | |
| 170 | public void testVisitCyclesWith2Cycles() throws IOException { |
| 171 | List<Cycle> cycles = new ArrayList<Cycle>(); |
| 172 | |
| 173 | List<Node> nodes1 = new ArrayList<Node>(); |
| 174 | nodes1.add(a_package); |
| 175 | nodes1.add(b_package); |
| 176 | cycles.add(new Cycle(nodes1)); |
| 177 | |
| 178 | List<Node> nodes2 = new ArrayList<Node>(); |
| 179 | nodes2.add(a_package); |
| 180 | nodes2.add(b_package); |
| 181 | nodes2.add(c_package); |
| 182 | cycles.add(new Cycle(nodes2)); |
| 183 | |
| 184 | StringWriter expected = new StringWriter(); |
| 185 | PrintWriter pw = new PrintWriter(expected); |
| 186 | pw.println(a_package); |
| 187 | pw.println(" --> " + b_package); |
| 188 | pw.println(" --> " + a_package); |
| 189 | pw.println(a_package); |
| 190 | pw.println(" --> " + b_package); |
| 191 | pw.println(" --> " + c_package); |
| 192 | pw.println(" --> " + a_package); |
| 193 | pw.close(); |
| 194 | |
| 195 | StringWriter buffer = new StringWriter(); |
| 196 | PrintWriter out = new PrintWriter(buffer); |
| 197 | CyclePrinter printer = new TextCyclePrinter(out); |
| 198 | printer.visitCycles(cycles); |
| 199 | out.close(); |
| 200 | |
| 201 | assertEquals(expected.toString(), buffer.toString()); |
| 202 | } |
| 203 | } |