process_test.cpp revision 1.1.1.1
1// 2// Automated Testing Framework (atf) 3// 4// Copyright (c) 2008, 2009 The NetBSD Foundation, Inc. 5// All rights reserved. 6// 7// Redistribution and use in source and binary forms, with or without 8// modification, are permitted provided that the following conditions 9// are met: 10// 1. Redistributions of source code must retain the above copyright 11// notice, this list of conditions and the following disclaimer. 12// 2. 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// THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND 17// CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, 18// INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20// IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY 21// DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 22// DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE 23// GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 24// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER 25// IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 26// OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN 27// IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28// 29 30#include <cstdlib> 31#include <cstring> 32 33#include "../macros.hpp" 34 35#include "process.hpp" 36#include "test_helpers.hpp" 37 38// TODO: Testing the fork function is a huge task and I'm afraid of 39// copy/pasting tons of stuff from the C version. I'd rather not do that 40// until some code can be shared, which cannot happen until the C++ binding 41// is cleaned by a fair amount. Instead... just rely (at the moment) on 42// the system tests for the tools using this module. 43 44// ------------------------------------------------------------------------ 45// Auxiliary functions. 46// ------------------------------------------------------------------------ 47 48static 49std::size_t 50array_size(const char* const* array) 51{ 52 std::size_t size = 0; 53 54 for (const char* const* ptr = array; *ptr != NULL; ptr++) 55 size++; 56 57 return size; 58} 59 60static 61atf::process::status 62exec_process_helpers(const atf::tests::tc& tc, const char* helper_name) 63{ 64 using atf::process::exec; 65 66 std::vector< std::string > argv; 67 argv.push_back(get_process_helpers_path(tc).leaf_name()); 68 argv.push_back(helper_name); 69 70 return exec(get_process_helpers_path(tc), 71 atf::process::argv_array(argv), 72 atf::process::stream_inherit(), 73 atf::process::stream_inherit()); 74} 75 76// ------------------------------------------------------------------------ 77// Tests for the "argv_array" type. 78// ------------------------------------------------------------------------ 79 80ATF_TEST_CASE(argv_array_init_carray); 81ATF_TEST_CASE_HEAD(argv_array_init_carray) 82{ 83 set_md_var("descr", "Tests that argv_array is correctly constructed " 84 "from a C-style array of strings"); 85} 86ATF_TEST_CASE_BODY(argv_array_init_carray) 87{ 88 { 89 const char* const carray[] = { NULL }; 90 atf::process::argv_array argv(carray); 91 92 ATF_REQUIRE_EQ(argv.size(), 0); 93 } 94 95 { 96 const char* const carray[] = { "arg0", NULL }; 97 atf::process::argv_array argv(carray); 98 99 ATF_REQUIRE_EQ(argv.size(), 1); 100 ATF_REQUIRE(std::strcmp(argv[0], carray[0]) == 0); 101 } 102 103 { 104 const char* const carray[] = { "arg0", "arg1", "arg2", NULL }; 105 atf::process::argv_array argv(carray); 106 107 ATF_REQUIRE_EQ(argv.size(), 3); 108 ATF_REQUIRE(std::strcmp(argv[0], carray[0]) == 0); 109 ATF_REQUIRE(std::strcmp(argv[1], carray[1]) == 0); 110 ATF_REQUIRE(std::strcmp(argv[2], carray[2]) == 0); 111 } 112} 113 114ATF_TEST_CASE(argv_array_init_col); 115ATF_TEST_CASE_HEAD(argv_array_init_col) 116{ 117 set_md_var("descr", "Tests that argv_array is correctly constructed " 118 "from a string collection"); 119} 120ATF_TEST_CASE_BODY(argv_array_init_col) 121{ 122 { 123 std::vector< std::string > col; 124 atf::process::argv_array argv(col); 125 126 ATF_REQUIRE_EQ(argv.size(), 0); 127 } 128 129 { 130 std::vector< std::string > col; 131 col.push_back("arg0"); 132 atf::process::argv_array argv(col); 133 134 ATF_REQUIRE_EQ(argv.size(), 1); 135 ATF_REQUIRE_EQ(argv[0], col[0]); 136 } 137 138 { 139 std::vector< std::string > col; 140 col.push_back("arg0"); 141 col.push_back("arg1"); 142 col.push_back("arg2"); 143 atf::process::argv_array argv(col); 144 145 ATF_REQUIRE_EQ(argv.size(), 3); 146 ATF_REQUIRE_EQ(argv[0], col[0]); 147 ATF_REQUIRE_EQ(argv[1], col[1]); 148 ATF_REQUIRE_EQ(argv[2], col[2]); 149 } 150} 151 152ATF_TEST_CASE(argv_array_init_empty); 153ATF_TEST_CASE_HEAD(argv_array_init_empty) 154{ 155 set_md_var("descr", "Tests that argv_array is correctly constructed " 156 "by the default constructor"); 157} 158ATF_TEST_CASE_BODY(argv_array_init_empty) 159{ 160 atf::process::argv_array argv; 161 162 ATF_REQUIRE_EQ(argv.size(), 0); 163} 164 165ATF_TEST_CASE(argv_array_init_varargs); 166ATF_TEST_CASE_HEAD(argv_array_init_varargs) 167{ 168 set_md_var("descr", "Tests that argv_array is correctly constructed " 169 "from a variable list of arguments"); 170} 171ATF_TEST_CASE_BODY(argv_array_init_varargs) 172{ 173 { 174 atf::process::argv_array argv("arg0", NULL); 175 176 ATF_REQUIRE_EQ(argv.size(), 1); 177 ATF_REQUIRE_EQ(argv[0], std::string("arg0")); 178 } 179 180 { 181 atf::process::argv_array argv("arg0", "arg1", "arg2", NULL); 182 183 ATF_REQUIRE_EQ(argv.size(), 3); 184 ATF_REQUIRE_EQ(argv[0], std::string("arg0")); 185 ATF_REQUIRE_EQ(argv[1], std::string("arg1")); 186 ATF_REQUIRE_EQ(argv[2], std::string("arg2")); 187 } 188} 189 190ATF_TEST_CASE(argv_array_assign); 191ATF_TEST_CASE_HEAD(argv_array_assign) 192{ 193 set_md_var("descr", "Tests that assigning an argv_array works"); 194} 195ATF_TEST_CASE_BODY(argv_array_assign) 196{ 197 using atf::process::argv_array; 198 199 const char* const carray1[] = { "arg1", NULL }; 200 const char* const carray2[] = { "arg1", "arg2", NULL }; 201 202 std::auto_ptr< argv_array > argv1(new argv_array(carray1)); 203 std::auto_ptr< argv_array > argv2(new argv_array(carray2)); 204 205 *argv2 = *argv1; 206 ATF_REQUIRE_EQ(argv2->size(), argv1->size()); 207 ATF_REQUIRE(std::strcmp((*argv2)[0], (*argv1)[0]) == 0); 208 209 ATF_REQUIRE(argv2->exec_argv() != argv1->exec_argv()); 210 argv1.release(); 211 { 212 const char* const* eargv2 = argv2->exec_argv(); 213 ATF_REQUIRE(std::strcmp(eargv2[0], carray1[0]) == 0); 214 ATF_REQUIRE_EQ(eargv2[1], static_cast< const char* >(NULL)); 215 } 216 217 argv2.release(); 218} 219 220ATF_TEST_CASE(argv_array_copy); 221ATF_TEST_CASE_HEAD(argv_array_copy) 222{ 223 set_md_var("descr", "Tests that copying an argv_array constructed from " 224 "a C-style array of strings works"); 225} 226ATF_TEST_CASE_BODY(argv_array_copy) 227{ 228 using atf::process::argv_array; 229 230 const char* const carray[] = { "arg0", NULL }; 231 232 std::auto_ptr< argv_array > argv1(new argv_array(carray)); 233 std::auto_ptr< argv_array > argv2(new argv_array(*argv1)); 234 235 ATF_REQUIRE_EQ(argv2->size(), argv1->size()); 236 ATF_REQUIRE(std::strcmp((*argv2)[0], (*argv1)[0]) == 0); 237 238 ATF_REQUIRE(argv2->exec_argv() != argv1->exec_argv()); 239 argv1.release(); 240 { 241 const char* const* eargv2 = argv2->exec_argv(); 242 ATF_REQUIRE(std::strcmp(eargv2[0], carray[0]) == 0); 243 ATF_REQUIRE_EQ(eargv2[1], static_cast< const char* >(NULL)); 244 } 245 246 argv2.release(); 247} 248 249ATF_TEST_CASE(argv_array_exec_argv); 250ATF_TEST_CASE_HEAD(argv_array_exec_argv) 251{ 252 set_md_var("descr", "Tests that the exec argv provided by an argv_array " 253 "is correct"); 254} 255ATF_TEST_CASE_BODY(argv_array_exec_argv) 256{ 257 using atf::process::argv_array; 258 259 { 260 argv_array argv; 261 const char* const* eargv = argv.exec_argv(); 262 ATF_REQUIRE_EQ(array_size(eargv), 0); 263 ATF_REQUIRE_EQ(eargv[0], static_cast< const char* >(NULL)); 264 } 265 266 { 267 const char* const carray[] = { "arg0", NULL }; 268 argv_array argv(carray); 269 const char* const* eargv = argv.exec_argv(); 270 ATF_REQUIRE_EQ(array_size(eargv), 1); 271 ATF_REQUIRE(std::strcmp(eargv[0], "arg0") == 0); 272 ATF_REQUIRE_EQ(eargv[1], static_cast< const char* >(NULL)); 273 } 274 275 { 276 std::vector< std::string > col; 277 col.push_back("arg0"); 278 argv_array argv(col); 279 const char* const* eargv = argv.exec_argv(); 280 ATF_REQUIRE_EQ(array_size(eargv), 1); 281 ATF_REQUIRE(std::strcmp(eargv[0], "arg0") == 0); 282 ATF_REQUIRE_EQ(eargv[1], static_cast< const char* >(NULL)); 283 } 284} 285 286ATF_TEST_CASE(argv_array_iter); 287ATF_TEST_CASE_HEAD(argv_array_iter) 288{ 289 set_md_var("descr", "Tests that an argv_array can be iterated"); 290} 291ATF_TEST_CASE_BODY(argv_array_iter) 292{ 293 using atf::process::argv_array; 294 295 std::vector< std::string > vector; 296 vector.push_back("arg0"); 297 vector.push_back("arg1"); 298 vector.push_back("arg2"); 299 300 argv_array argv(vector); 301 ATF_REQUIRE_EQ(argv.size(), 3); 302 std::vector< std::string >::size_type pos = 0; 303 for (argv_array::const_iterator iter = argv.begin(); iter != argv.end(); 304 iter++) { 305 ATF_REQUIRE_EQ(*iter, vector[pos]); 306 pos++; 307 } 308} 309 310// ------------------------------------------------------------------------ 311// Tests cases for the free functions. 312// ------------------------------------------------------------------------ 313 314ATF_TEST_CASE(exec_failure); 315ATF_TEST_CASE_HEAD(exec_failure) 316{ 317 set_md_var("descr", "Tests execing a command that reports failure"); 318} 319ATF_TEST_CASE_BODY(exec_failure) 320{ 321 const atf::process::status s = exec_process_helpers(*this, "exit-failure"); 322 ATF_REQUIRE(s.exited()); 323 ATF_REQUIRE_EQ(s.exitstatus(), EXIT_FAILURE); 324} 325 326ATF_TEST_CASE(exec_success); 327ATF_TEST_CASE_HEAD(exec_success) 328{ 329 set_md_var("descr", "Tests execing a command that reports success"); 330} 331ATF_TEST_CASE_BODY(exec_success) 332{ 333 const atf::process::status s = exec_process_helpers(*this, "exit-success"); 334 ATF_REQUIRE(s.exited()); 335 ATF_REQUIRE_EQ(s.exitstatus(), EXIT_SUCCESS); 336} 337 338// ------------------------------------------------------------------------ 339// Main. 340// ------------------------------------------------------------------------ 341 342ATF_INIT_TEST_CASES(tcs) 343{ 344 // Add the test cases for the "argv_array" type. 345 ATF_ADD_TEST_CASE(tcs, argv_array_assign); 346 ATF_ADD_TEST_CASE(tcs, argv_array_copy); 347 ATF_ADD_TEST_CASE(tcs, argv_array_exec_argv); 348 ATF_ADD_TEST_CASE(tcs, argv_array_init_carray); 349 ATF_ADD_TEST_CASE(tcs, argv_array_init_col); 350 ATF_ADD_TEST_CASE(tcs, argv_array_init_empty); 351 ATF_ADD_TEST_CASE(tcs, argv_array_init_varargs); 352 ATF_ADD_TEST_CASE(tcs, argv_array_iter); 353 354 // Add the test cases for the free functions. 355 ATF_ADD_TEST_CASE(tcs, exec_failure); 356 ATF_ADD_TEST_CASE(tcs, exec_success); 357} 358