1 /* |
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2 * Copyright (c) 2016, 2017, 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 |
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24 /** |
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25 * @test |
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26 * @library /lib/testlibrary /test/lib |
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27 * @modules jdk.compiler |
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28 * @build jdk.test.lib.compiler.CompilerUtils |
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29 * @run testng/othervm BadProvidersTest |
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30 * @summary Basic test of ServiceLoader with bad provider and bad provider |
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31 * factories deployed on the module path |
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32 */ |
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33 |
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34 import java.lang.module.Configuration; |
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35 import java.lang.module.ModuleFinder; |
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36 import java.nio.file.Files; |
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37 import java.nio.file.Path; |
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38 import java.nio.file.Paths; |
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39 import java.nio.file.StandardCopyOption; |
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40 import java.util.List; |
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41 import java.util.ServiceConfigurationError; |
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42 import java.util.ServiceLoader; |
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43 import java.util.ServiceLoader.Provider; |
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44 import java.util.Set; |
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45 import java.util.stream.Collectors; |
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46 |
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47 import jdk.test.lib.compiler.CompilerUtils; |
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48 |
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49 import org.testng.annotations.Test; |
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50 import org.testng.annotations.DataProvider; |
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51 import static org.testng.Assert.*; |
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52 |
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53 /** |
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54 * Basic test of `provides S with PF` and `provides S with P` where the provider |
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55 * factory or provider |
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56 */ |
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57 |
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58 public class BadProvidersTest { |
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59 |
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60 private static final String TEST_SRC = System.getProperty("test.src"); |
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61 |
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62 private static final Path USER_DIR = Paths.get(System.getProperty("user.dir")); |
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63 private static final Path SRC_DIR = Paths.get(TEST_SRC, "modules"); |
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64 |
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65 private static final Path BADFACTORIES_DIR = Paths.get(TEST_SRC, "badfactories"); |
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66 private static final Path BADPROVIDERS_DIR = Paths.get(TEST_SRC, "badproviders"); |
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67 |
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68 private static final String TEST1_MODULE = "test1"; |
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69 private static final String TEST2_MODULE = "test2"; |
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70 |
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71 private static final String TEST_SERVICE = "p.Service"; |
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72 |
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73 /** |
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74 * Compiles a module, returning a module path with the compiled module. |
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75 */ |
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76 private Path compileTest(String moduleName) throws Exception { |
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77 Path dir = Files.createTempDirectory(USER_DIR, "mods"); |
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78 Path output = Files.createDirectory(dir.resolve(moduleName)); |
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79 boolean compiled = CompilerUtils.compile(SRC_DIR.resolve(moduleName), output); |
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80 assertTrue(compiled); |
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81 return dir; |
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82 } |
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83 |
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84 /** |
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85 * Resolves a test module and loads it into its own layer. ServiceLoader |
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86 * is then used to load all providers. |
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87 */ |
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88 private List<Provider> loadProviders(Path mp, String moduleName) throws Exception { |
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89 ModuleFinder finder = ModuleFinder.of(mp); |
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90 |
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91 ModuleLayer bootLayer = ModuleLayer.boot(); |
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92 |
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93 Configuration cf = bootLayer.configuration() |
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94 .resolveAndBind(finder, ModuleFinder.of(), Set.of(moduleName)); |
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95 |
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96 ClassLoader scl = ClassLoader.getSystemClassLoader(); |
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97 |
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98 ModuleLayer layer = ModuleLayer.boot().defineModulesWithOneLoader(cf, scl); |
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99 |
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100 Class<?> service = layer.findLoader(moduleName).loadClass(TEST_SERVICE); |
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101 |
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102 return ServiceLoader.load(layer, service) |
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103 .stream() |
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104 .collect(Collectors.toList()); |
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105 } |
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106 |
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107 @Test |
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108 public void sanityTest1() throws Exception { |
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109 Path mods = compileTest(TEST1_MODULE); |
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110 List<Provider> list = loadProviders(mods, TEST1_MODULE); |
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111 assertTrue(list.size() == 1); |
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112 |
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113 // the provider is a singleton, enforced by the provider factory |
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114 Object p1 = list.get(0).get(); |
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115 Object p2 = list.get(0).get(); |
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116 assertTrue(p1 != null); |
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117 assertTrue(p1 == p2); |
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118 } |
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119 |
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120 @Test |
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121 public void sanityTest2() throws Exception { |
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122 Path mods = compileTest(TEST2_MODULE); |
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123 List<Provider> list = loadProviders(mods, TEST2_MODULE); |
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124 assertTrue(list.size() == 1); |
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125 Object p = list.get(0).get(); |
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126 assertTrue(p != null); |
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127 } |
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128 |
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129 |
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130 @DataProvider(name = "badfactories") |
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131 public Object[][] createBadFactories() { |
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132 return new Object[][] { |
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133 { "classnotpublic", null }, |
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134 { "methodnotpublic", null }, |
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135 { "badreturntype", null }, |
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136 { "returnsnull", null }, |
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137 { "throwsexception", null }, |
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138 }; |
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139 } |
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140 |
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141 |
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142 @Test(dataProvider = "badfactories", |
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143 expectedExceptions = ServiceConfigurationError.class) |
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144 public void testBadFactory(String testName, String ignore) throws Exception { |
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145 Path mods = compileTest(TEST1_MODULE); |
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146 |
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147 // compile the bad factory |
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148 Path source = BADFACTORIES_DIR.resolve(testName); |
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149 Path output = Files.createTempDirectory(USER_DIR, "tmp"); |
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150 boolean compiled = CompilerUtils.compile(source, output); |
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151 assertTrue(compiled); |
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152 |
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153 // copy the compiled class into the module |
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154 Path classFile = Paths.get("p", "ProviderFactory.class"); |
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155 Files.copy(output.resolve(classFile), |
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156 mods.resolve(TEST1_MODULE).resolve(classFile), |
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157 StandardCopyOption.REPLACE_EXISTING); |
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158 |
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159 // load providers and instantiate each one |
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160 loadProviders(mods, TEST1_MODULE).forEach(Provider::get); |
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161 } |
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162 |
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163 |
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164 @DataProvider(name = "badproviders") |
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165 public Object[][] createBadProviders() { |
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166 return new Object[][] { |
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167 { "notpublic", null }, |
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168 { "ctornotpublic", null }, |
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169 { "notasubtype", null }, |
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170 { "throwsexception", null } |
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171 }; |
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172 } |
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173 |
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174 |
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175 @Test(dataProvider = "badproviders", |
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176 expectedExceptions = ServiceConfigurationError.class) |
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177 public void testBadProvider(String testName, String ignore) throws Exception { |
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178 Path mods = compileTest(TEST2_MODULE); |
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179 |
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180 // compile the bad provider |
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181 Path source = BADPROVIDERS_DIR.resolve(testName); |
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182 Path output = Files.createTempDirectory(USER_DIR, "tmp"); |
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183 boolean compiled = CompilerUtils.compile(source, output); |
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184 assertTrue(compiled); |
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185 |
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186 // copy the compiled class into the module |
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187 Path classFile = Paths.get("p", "Provider.class"); |
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188 Files.copy(output.resolve(classFile), |
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189 mods.resolve(TEST2_MODULE).resolve(classFile), |
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190 StandardCopyOption.REPLACE_EXISTING); |
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191 |
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192 // load providers and instantiate each one |
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193 loadProviders(mods, TEST2_MODULE).forEach(Provider::get); |
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194 } |
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195 |
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196 } |
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197 |
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