thodg/libgit2/tests/core/env.c
Tag
-
Show log
Commit
-
Hash : 410855fc
Author :
Date : 2016-12-17T18:18:30
sysdir: add failing test for variable substitution When given $PATH as part of a search path, we guess again instead of substituting what the user already set.
-
tests/core/env.c
-
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321
#include "clar_libgit2.h" #include "fileops.h" #include "sysdir.h" #include "path.h" #ifdef GIT_WIN32 #define NUM_VARS 5 static const char *env_vars[NUM_VARS] = { "HOME", "HOMEDRIVE", "HOMEPATH", "USERPROFILE", "PROGRAMFILES" }; #else #define NUM_VARS 1 static const char *env_vars[NUM_VARS] = { "HOME" }; #endif static char *env_save[NUM_VARS]; static char *home_values[] = { "fake_home", "f\xc3\xa1ke_h\xc3\xb5me", /* all in latin-1 supplement */ "f\xc4\x80ke_\xc4\xa4ome", /* latin extended */ "f\xce\xb1\xce\xba\xce\xb5_h\xce\xbfm\xce\xad", /* having fun with greek */ "fa\xe0" "\xb8" "\x87" "e_\xe0" "\xb8" "\x99" "ome", /* thai characters */ "f\xe1\x9c\x80ke_\xe1\x9c\x91ome", /* tagalog characters */ "\xe1\xb8\x9f\xe1\xba\xa2" "ke_ho" "\xe1" "\xb9" "\x81" "e", /* latin extended additional */ "\xf0\x9f\x98\x98\xf0\x9f\x98\x82", /* emoticons */ NULL }; void test_core_env__initialize(void) { int i; for (i = 0; i < NUM_VARS; ++i) env_save[i] = cl_getenv(env_vars[i]); } static void set_global_search_path_from_env(void) { cl_git_pass(git_sysdir_set(GIT_SYSDIR_GLOBAL, NULL)); } static void set_system_search_path_from_env(void) { cl_git_pass(git_sysdir_set(GIT_SYSDIR_SYSTEM, NULL)); } void test_core_env__cleanup(void) { int i; char **val; for (i = 0; i < NUM_VARS; ++i) { cl_setenv(env_vars[i], env_save[i]); git__free(env_save[i]); env_save[i] = NULL; } /* these will probably have already been cleaned up, but if a test * fails, then it's probably good to try and clear out these dirs */ for (val = home_values; *val != NULL; val++) { if (**val != '\0') (void)p_rmdir(*val); } cl_sandbox_set_search_path_defaults(); } static void setenv_and_check(const char *name, const char *value) { char *check; cl_git_pass(cl_setenv(name, value)); check = cl_getenv(name); if (value) cl_assert_equal_s(value, check); else cl_assert(check == NULL); git__free(check); } void test_core_env__0(void) { git_buf path = GIT_BUF_INIT, found = GIT_BUF_INIT; char testfile[16], tidx = '0'; char **val; const char *testname = "testfile"; size_t testlen = strlen(testname); strncpy(testfile, testname, sizeof(testfile)); cl_assert_equal_s(testname, testfile); for (val = home_values; *val != NULL; val++) { /* if we can't make the directory, let's just assume * we are on a filesystem that doesn't support the * characters in question and skip this test... */ if (p_mkdir(*val, 0777) != 0) { *val = ""; /* mark as not created */ continue; } cl_git_pass(git_path_prettify(&path, *val, NULL)); /* vary testfile name in each directory so accidentally leaving * an environment variable set from a previous iteration won't * accidentally make this test pass... */ testfile[testlen] = tidx++; cl_git_pass(git_buf_joinpath(&path, path.ptr, testfile)); cl_git_mkfile(path.ptr, "find me"); git_buf_rtruncate_at_char(&path, '/'); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&found, testfile)); setenv_and_check("HOME", path.ptr); set_global_search_path_from_env(); cl_git_pass(git_sysdir_find_global_file(&found, testfile)); cl_setenv("HOME", env_save[0]); set_global_search_path_from_env(); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&found, testfile)); #ifdef GIT_WIN32 setenv_and_check("HOMEDRIVE", NULL); setenv_and_check("HOMEPATH", NULL); setenv_and_check("USERPROFILE", path.ptr); set_global_search_path_from_env(); cl_git_pass(git_sysdir_find_global_file(&found, testfile)); { int root = git_path_root(path.ptr); char old; if (root >= 0) { setenv_and_check("USERPROFILE", NULL); set_global_search_path_from_env(); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&found, testfile)); old = path.ptr[root]; path.ptr[root] = '\0'; setenv_and_check("HOMEDRIVE", path.ptr); path.ptr[root] = old; setenv_and_check("HOMEPATH", &path.ptr[root]); set_global_search_path_from_env(); cl_git_pass(git_sysdir_find_global_file(&found, testfile)); } } #endif (void)p_rmdir(*val); } git_buf_free(&path); git_buf_free(&found); } void test_core_env__1(void) { git_buf path = GIT_BUF_INIT; cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&path, "nonexistentfile")); cl_git_pass(cl_setenv("HOME", "doesnotexist")); #ifdef GIT_WIN32 cl_git_pass(cl_setenv("HOMEPATH", "doesnotexist")); cl_git_pass(cl_setenv("USERPROFILE", "doesnotexist")); #endif set_global_search_path_from_env(); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&path, "nonexistentfile")); cl_git_pass(cl_setenv("HOME", NULL)); #ifdef GIT_WIN32 cl_git_pass(cl_setenv("HOMEPATH", NULL)); cl_git_pass(cl_setenv("USERPROFILE", NULL)); #endif set_global_search_path_from_env(); set_system_search_path_from_env(); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&path, "nonexistentfile")); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_system_file(&path, "nonexistentfile")); #ifdef GIT_WIN32 cl_git_pass(cl_setenv("PROGRAMFILES", NULL)); set_system_search_path_from_env(); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_system_file(&path, "nonexistentfile")); #endif git_buf_free(&path); } static void check_global_searchpath( const char *path, int position, const char *file, git_buf *temp) { git_buf out = GIT_BUF_INIT; /* build and set new path */ if (position < 0) cl_git_pass(git_buf_join(temp, GIT_PATH_LIST_SEPARATOR, path, "$PATH")); else if (position > 0) cl_git_pass(git_buf_join(temp, GIT_PATH_LIST_SEPARATOR, "$PATH", path)); else cl_git_pass(git_buf_sets(temp, path)); cl_git_pass(git_libgit2_opts( GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, temp->ptr)); /* get path and make sure $PATH expansion worked */ cl_git_pass(git_libgit2_opts( GIT_OPT_GET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, &out)); if (position < 0) cl_assert(git__prefixcmp(out.ptr, path) == 0); else if (position > 0) cl_assert(git__suffixcmp(out.ptr, path) == 0); else cl_assert_equal_s(out.ptr, path); /* find file using new path */ cl_git_pass(git_sysdir_find_global_file(temp, file)); /* reset path and confirm file not found */ cl_git_pass(git_libgit2_opts( GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, NULL)); cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(temp, file)); git_buf_free(&out); } void test_core_env__2(void) { git_buf path = GIT_BUF_INIT, found = GIT_BUF_INIT; char testfile[16], tidx = '0'; char **val; const char *testname = "alternate"; size_t testlen = strlen(testname); strncpy(testfile, testname, sizeof(testfile)); cl_assert_equal_s(testname, testfile); for (val = home_values; *val != NULL; val++) { /* if we can't make the directory, let's just assume * we are on a filesystem that doesn't support the * characters in question and skip this test... */ if (p_mkdir(*val, 0777) != 0 && errno != EEXIST) { *val = ""; /* mark as not created */ continue; } cl_git_pass(git_path_prettify(&path, *val, NULL)); /* vary testfile name so any sloppiness is resetting variables or * deleting files won't accidentally make a test pass. */ testfile[testlen] = tidx++; cl_git_pass(git_buf_joinpath(&path, path.ptr, testfile)); cl_git_mkfile(path.ptr, "find me"); git_buf_rtruncate_at_char(&path, '/'); /* default should be NOTFOUND */ cl_assert_equal_i( GIT_ENOTFOUND, git_sysdir_find_global_file(&found, testfile)); /* try plain, append $PATH, and prepend $PATH */ check_global_searchpath(path.ptr, 0, testfile, &found); check_global_searchpath(path.ptr, -1, testfile, &found); check_global_searchpath(path.ptr, 1, testfile, &found); /* cleanup */ cl_git_pass(git_buf_joinpath(&path, path.ptr, testfile)); (void)p_unlink(path.ptr); (void)p_rmdir(*val); } git_buf_free(&path); git_buf_free(&found); } void test_core_env__substitution(void) { git_buf buf = GIT_BUF_INIT, expected = GIT_BUF_INIT; /* Set it to something non-default so we have controllable values */ cl_git_pass(git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, "/tmp/a")); cl_git_pass(git_libgit2_opts(GIT_OPT_GET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, &buf)); cl_assert_equal_s("/tmp/a", buf.ptr); git_buf_clear(&buf); cl_git_pass(git_buf_join(&buf, GIT_PATH_LIST_SEPARATOR, "$PATH", "/tmp/b")); cl_git_pass(git_libgit2_opts(GIT_OPT_SET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, buf.ptr)); cl_git_pass(git_libgit2_opts(GIT_OPT_GET_SEARCH_PATH, GIT_CONFIG_LEVEL_GLOBAL, &buf)); cl_git_pass(git_buf_join(&expected, GIT_PATH_LIST_SEPARATOR, "/tmp/a", "/tmp/b")); cl_assert_equal_s(expected.ptr, buf.ptr); git_buf_free(&expected); git_buf_free(&buf); }