Mercurial > hg > graal-compiler
annotate graal/com.oracle.truffle.sl.test/src/com/oracle/truffle/sl/test/SLTestRunner.java @ 13809:030e75d4d7dc
SL: added junit integration for external tests.
author | Christian Humer <christian.humer@gmail.com> |
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date | Tue, 28 Jan 2014 19:37:26 +0100 |
parents | b5b64fe6963f |
children | b16ec83edc73 |
rev | line source |
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1 /* |
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2 * Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. |
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3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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4 * |
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5 * This code is free software; you can redistribute it and/or modify it |
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6 * under the terms of the GNU General Public License version 2 only, as |
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7 * published by the Free Software Foundation. |
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8 * |
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9 * This code is distributed in the hope that it will be useful, but WITHOUT |
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10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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12 * version 2 for more details (a copy is included in the LICENSE file that |
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13 * accompanied this code). |
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14 * |
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15 * You should have received a copy of the GNU General Public License version |
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16 * 2 along with this work; if not, write to the Free Software Foundation, |
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17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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18 * |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
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22 */ |
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23 package com.oracle.truffle.sl.test; |
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24 |
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25 import java.io.*; |
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26 import java.nio.charset.*; |
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27 import java.nio.file.*; |
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28 import java.nio.file.attribute.*; |
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29 import java.util.*; |
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30 |
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31 import org.junit.*; |
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32 import org.junit.internal.*; |
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33 import org.junit.runner.*; |
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34 import org.junit.runner.manipulation.*; |
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35 import org.junit.runner.notification.*; |
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36 import org.junit.runners.*; |
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37 import org.junit.runners.model.*; |
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38 |
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39 import com.oracle.truffle.api.*; |
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40 import com.oracle.truffle.api.source.*; |
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41 import com.oracle.truffle.sl.*; |
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42 import com.oracle.truffle.sl.runtime.*; |
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43 import com.oracle.truffle.sl.test.SLTestRunner.TestCase; |
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44 |
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45 public final class SLTestRunner extends ParentRunner<TestCase> { |
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46 |
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47 private static final int REPEATS = 10; |
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48 |
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49 private static final String INPUT_SUFFIX = ".sl"; |
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50 private static final String OUTPUT_SUFFIX = ".output"; |
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51 |
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52 private static final String LF = System.getProperty("line.separator"); |
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53 |
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54 public static final class TestCase { |
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55 private final Source input; |
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56 private final String expectedOutput; |
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57 private final Description name; |
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58 |
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59 public TestCase(Class<?> testClass, String name, Source input, String expectedOutput) { |
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60 this.input = input; |
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61 this.expectedOutput = expectedOutput; |
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62 this.name = Description.createTestDescription(testClass, name); |
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63 } |
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64 } |
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65 |
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66 private final SourceManager sourceManager = new SourceManager(); |
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67 private final List<TestCase> testCases; |
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68 |
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69 public SLTestRunner(Class<?> runningClass) throws InitializationError { |
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70 super(runningClass); |
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71 try { |
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72 testCases = createTests(runningClass); |
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73 } catch (IOException e) { |
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74 throw new InitializationError(e); |
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75 } |
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76 } |
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77 |
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78 @Override |
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79 protected Description describeChild(TestCase child) { |
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80 return child.name; |
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81 } |
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82 |
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83 @Override |
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84 protected List<TestCase> getChildren() { |
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85 return testCases; |
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86 } |
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87 |
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88 @Override |
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89 public void filter(Filter filter) throws NoTestsRemainException { |
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90 super.filter(filter); |
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91 } |
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92 |
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93 protected List<TestCase> createTests(final Class<?> c) throws IOException, InitializationError { |
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94 SLTestSuite suite = c.getAnnotation(SLTestSuite.class); |
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95 if (suite == null) { |
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96 throw new InitializationError(String.format("@%s annotation required on class '%s' to run with '%s'.", SLTestSuite.class.getSimpleName(), c.getName(), SLTestRunner.class.getSimpleName())); |
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97 } |
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98 |
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99 String[] pathes = suite.value(); |
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100 |
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101 Path root = null; |
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102 for (String path : pathes) { |
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103 root = FileSystems.getDefault().getPath(path); |
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104 if (Files.exists(root)) { |
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105 break; |
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106 } |
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107 } |
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108 if (root == null && pathes.length > 0) { |
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109 throw new FileNotFoundException(pathes[0]); |
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110 } |
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111 |
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112 final Path rootPath = root; |
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113 |
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114 final List<TestCase> foundCases = new ArrayList<>(); |
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115 Files.walkFileTree(rootPath, new SimpleFileVisitor<Path>() { |
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116 @Override |
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117 public FileVisitResult visitFile(Path inputFile, BasicFileAttributes attrs) throws IOException { |
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118 String name = inputFile.getFileName().toString(); |
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119 if (name.endsWith(INPUT_SUFFIX)) { |
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120 String baseName = name.substring(0, name.length() - INPUT_SUFFIX.length()); |
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121 |
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122 Path outputFile = inputFile.resolveSibling(baseName + OUTPUT_SUFFIX); |
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123 if (!Files.exists(outputFile)) { |
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124 throw new Error("Output file does not exist: " + outputFile); |
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125 } |
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126 |
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127 // fix line feeds for non unix os |
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128 StringBuilder outFile = new StringBuilder(); |
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129 for (String line : Files.readAllLines(outputFile, Charset.defaultCharset())) { |
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130 outFile.append(line); |
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131 outFile.append(LF); |
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132 } |
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133 foundCases.add(new TestCase(c, baseName, sourceManager.get(inputFile.toString()), outFile.toString())); |
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134 } |
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135 return FileVisitResult.CONTINUE; |
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136 } |
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137 }); |
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138 return foundCases; |
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139 } |
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140 |
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141 @Override |
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142 protected void runChild(TestCase testCase, RunNotifier notifier) { |
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143 notifier.fireTestStarted(testCase.name); |
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144 |
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145 ByteArrayOutputStream out = new ByteArrayOutputStream(); |
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146 PrintStream printer = new PrintStream(out); |
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147 PrintStream origErr = System.err; |
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148 try { |
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149 System.setErr(printer); |
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150 SLContext context = new SLContext(sourceManager, printer); |
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151 SLMain.run(context, testCase.input, null, REPEATS); |
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152 |
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153 String actualOutput = new String(out.toByteArray()); |
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154 |
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155 Assert.assertEquals(repeat(testCase.expectedOutput, REPEATS), actualOutput); |
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156 } catch (AssertionError e) { |
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157 notifier.fireTestFailure(new Failure(testCase.name, e)); |
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158 } catch (Throwable ex) { |
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159 notifier.fireTestFailure(new Failure(testCase.name, ex)); |
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160 } finally { |
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161 System.setErr(origErr); |
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162 notifier.fireTestFinished(testCase.name); |
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163 } |
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164 } |
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165 |
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166 private static String repeat(String s, int count) { |
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167 StringBuilder result = new StringBuilder(s.length() * count); |
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168 for (int i = 0; i < count; i++) { |
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169 result.append(s); |
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170 } |
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171 return result.toString(); |
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172 } |
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173 |
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174 public static void runInMain(Class<?> testClass, String[] args) throws InitializationError, NoTestsRemainException { |
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175 JUnitCore core = new JUnitCore(); |
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176 core.addListener(new TextListener(System.out)); |
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177 SLTestRunner suite = new SLTestRunner(testClass); |
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178 if (args.length > 0) { |
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179 suite.filter(new NameFilter(args[0])); |
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180 } |
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181 Result r = core.run(suite); |
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182 if (!r.wasSuccessful()) { |
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183 System.exit(1); |
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184 } |
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185 } |
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186 |
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187 private static final class NameFilter extends Filter { |
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188 private final String pattern; |
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189 |
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190 private NameFilter(String pattern) { |
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191 this.pattern = pattern.toLowerCase(); |
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192 } |
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193 |
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194 @Override |
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195 public boolean shouldRun(Description description) { |
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196 return description.getMethodName().toLowerCase().contains(pattern); |
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197 } |
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198 |
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199 @Override |
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200 public String describe() { |
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201 return "Filter contains " + pattern; |
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202 } |
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203 } |
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204 |
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205 } |