external/bsd/atf/dist/atf-c++/detail/process_test.cpp

   1 //
   2 // Automated Testing Framework (atf)
   3 //
   4 // Copyright (c) 2008 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
  48 static
  49 std::size_t
  50 array_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
  60 static
  61 atf::process::status
  62 exec_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, true).leaf_name());
  68     argv.push_back(helper_name);
  69
  70     return exec(get_process_helpers_path(tc, true),
  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
  80 ATF_TEST_CASE(argv_array_init_carray);
  81 ATF_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 }
  86 ATF_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
 114 ATF_TEST_CASE(argv_array_init_col);
 115 ATF_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 }
 120 ATF_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
 152 ATF_TEST_CASE(argv_array_init_empty);
 153 ATF_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 }
 158 ATF_TEST_CASE_BODY(argv_array_init_empty)
 159 {
 160     atf::process::argv_array argv;
 161
 162     ATF_REQUIRE_EQ(argv.size(), 0);
 163 }
 164
 165 ATF_TEST_CASE(argv_array_init_varargs);
 166 ATF_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 }
 171 ATF_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
 190 ATF_TEST_CASE(argv_array_assign);
 191 ATF_TEST_CASE_HEAD(argv_array_assign)
 192 {
 193     set_md_var("descr", "Tests that assigning an argv_array works");
 194 }
 195 ATF_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
 220 ATF_TEST_CASE(argv_array_copy);
 221 ATF_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 }
 226 ATF_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
 249 ATF_TEST_CASE(argv_array_exec_argv);
 250 ATF_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 }
 255 ATF_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
 286 ATF_TEST_CASE(argv_array_iter);
 287 ATF_TEST_CASE_HEAD(argv_array_iter)
 288 {
 289     set_md_var("descr", "Tests that an argv_array can be iterated");
 290 }
 291 ATF_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
 314 ATF_TEST_CASE(exec_failure);
 315 ATF_TEST_CASE_HEAD(exec_failure)
 316 {
 317     set_md_var("descr", "Tests execing a command that reports failure");
 318 }
 319 ATF_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
 326 ATF_TEST_CASE(exec_success);
 327 ATF_TEST_CASE_HEAD(exec_success)
 328 {
 329     set_md_var("descr", "Tests execing a command that reports success");
 330 }
 331 ATF_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
 342 ATF_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 }