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cc7f9e36 RB |
1 | /* |
2 | * Copyright (C) - 2013 Raphaël Beamonte <raphael.beamonte@gmail.com> | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify it | |
5 | * under the terms of the GNU General Public License as published by as | |
6 | * published by the Free Software Foundation; only version 2 of the License. | |
7 | * | |
8 | * This program is distributed in the hope that it will be useful, but WITHOUT | |
9 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
10 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
11 | * more details. | |
12 | * | |
13 | * You should have received a copy of the GNU General Public License along with | |
14 | * this program; if not, write to the Free Software Foundation, Inc., 51 | |
15 | * Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. | |
16 | */ | |
17 | ||
18 | #include <assert.h> | |
19 | #include <string.h> | |
20 | #include <stdio.h> | |
21 | #include <stdlib.h> | |
22 | #include <limits.h> | |
23 | ||
02bf969d RB |
24 | #include <sys/stat.h> |
25 | #include <sys/types.h> | |
26 | ||
cc7f9e36 RB |
27 | #include <tap/tap.h> |
28 | ||
29 | #include <src/common/utils.h> | |
30 | ||
31 | /* For lttngerr.h */ | |
32 | int lttng_opt_quiet = 1; | |
33 | int lttng_opt_verbose = 3; | |
34 | ||
35 | struct valid_test_input { | |
36 | char *input; | |
37 | char *relative_part; | |
38 | char *absolute_part; | |
39 | }; | |
40 | ||
02bf969d RB |
41 | struct tree_symlink { |
42 | char *orig; | |
43 | char *dest; | |
44 | }; | |
45 | ||
46 | struct symlink_test_input { | |
47 | char *input; | |
48 | char *expected_result; | |
49 | }; | |
50 | ||
cc7f9e36 RB |
51 | /* Valid test cases */ |
52 | static struct valid_test_input valid_tests_inputs[] = { | |
53 | { "/a/b/c/d/e", "", "/a/b/c/d/e" }, | |
54 | { "./a/b/c/d/e", ".", "/a/b/c/d/e" }, | |
55 | { "../a/b/c/d/../e", "..", "/a/b/c/e" }, | |
56 | { ".././a/b/c/d/./e", "..", "/a/b/c/d/e" }, | |
57 | { "../../a/b/c/d/e", "../..", "/a/b/c/d/e" }, | |
58 | { "./a/b/../c/d/../e", ".", "/a/c/e" }, | |
59 | { "../a/b/../../c/./d/./e", "..", "/c/d/e" }, | |
60 | { "../../a/b/../c/d/../../e", "../..", "/a/e" }, | |
61 | { "./a/b/c/d/../../../../e", ".", "/e" }, | |
62 | { ".././a/b/c/d/./e", "..", "/a/b/c/d/e" }, | |
63 | { "a/", ".", "/a/" }, | |
64 | { "a", ".", "/a" }, | |
65 | { "../../", "../..", "/" }, | |
66 | { "../..", "../..", "" }, | |
67 | { "../", "..", "/" }, | |
68 | { "..", "..", "" }, | |
69 | { "./", ".", "/" }, | |
70 | { ".", ".", "" }, | |
ab5ff479 RB |
71 | { "/../a/b/c/d/e", "", "/a/b/c/d/e" }, |
72 | { "/a/b/c/d/../../../../../e", "", "/e" }, | |
cc7f9e36 RB |
73 | }; |
74 | char **valid_tests_expected_results; | |
75 | static const int num_valid_tests = | |
76 | sizeof(valid_tests_inputs) / sizeof(valid_tests_inputs[0]); | |
77 | ||
02bf969d RB |
78 | /* Symlinks test cases */ |
79 | char tree_origin[] = "/tmp/test_utils_expand_path.XXXXXX"; | |
80 | ||
81 | static const char * const tree_dirs[] = { | |
82 | "a", | |
83 | "a/b", | |
84 | "a/b/c", | |
85 | "a/e", | |
86 | }; | |
87 | static const int num_tree_dirs = | |
88 | sizeof(tree_dirs) / sizeof(tree_dirs[0]); | |
89 | ||
90 | static struct tree_symlink tree_symlinks[] = { | |
91 | { "a/d", "b/c/" }, | |
92 | { "a/g", "d/" }, | |
93 | { "a/b/f", "../e/" }, | |
94 | { "a/b/h", "../g/" }, | |
95 | { "a/b/k", "c/g/" }, | |
96 | { "a/b/c/g", "../../../" }, | |
97 | }; | |
98 | static const int num_tree_symlinks = | |
99 | sizeof(tree_symlinks) / sizeof(tree_symlinks[0]); | |
100 | ||
101 | static struct symlink_test_input symlink_tests_inputs[] = { | |
102 | { "a/g/../l/.", "a/b/l" }, | |
103 | { "a/g/../l/./", "a/b/l/" }, | |
104 | { "a/g/../l/..", "a/b" }, | |
105 | { "a/g/../l/../", "a/b/" }, | |
106 | { "a/b/h/g/", "" }, | |
107 | }; | |
108 | static const int num_symlink_tests = | |
109 | sizeof(symlink_tests_inputs) / sizeof(symlink_tests_inputs[0]); | |
110 | ||
cc7f9e36 RB |
111 | /* Invalid test cases */ |
112 | static char *invalid_tests_inputs[] = { | |
113 | NULL, | |
cc7f9e36 RB |
114 | }; |
115 | static const int num_invalid_tests = | |
116 | sizeof(invalid_tests_inputs) / sizeof(invalid_tests_inputs[0]); | |
117 | ||
02bf969d RB |
118 | #define ERRSIZE 100 |
119 | char errmsg[ERRSIZE]; | |
120 | static void printerr(char *msg) | |
121 | { | |
122 | fprintf(stderr, "test_utils_expand_path: error: %s\n", msg); | |
123 | } | |
124 | ||
cc7f9e36 RB |
125 | int prepare_valid_results() |
126 | { | |
127 | int i; | |
128 | char *relative, *cur_path, *prev_path, *pprev_path, *empty; | |
129 | ||
130 | /* Prepare the relative paths */ | |
131 | cur_path = realpath(".", NULL); | |
132 | prev_path = realpath("..", NULL); | |
133 | pprev_path = realpath("../..", NULL); | |
134 | empty = strdup(""); | |
135 | ||
136 | /* allocate memory for the expected results */ | |
137 | valid_tests_expected_results = malloc(sizeof(char *) * num_valid_tests); | |
138 | for (i = 0; i < num_valid_tests; i++) { | |
139 | valid_tests_expected_results[i] = malloc(PATH_MAX); | |
140 | if (valid_tests_expected_results[i] == NULL) { | |
02bf969d | 141 | printerr("malloc expected results"); |
cc7f9e36 RB |
142 | return 1; |
143 | } | |
144 | ||
145 | if (strcmp(valid_tests_inputs[i].relative_part, ".") == 0) { | |
146 | relative = cur_path; | |
147 | } else if (strcmp(valid_tests_inputs[i].relative_part, "..") == 0) { | |
148 | relative = prev_path; | |
149 | } else if (strcmp(valid_tests_inputs[i].relative_part, "../..") == 0) { | |
150 | relative = pprev_path; | |
151 | } else { | |
152 | relative = empty; | |
153 | } | |
154 | ||
155 | snprintf(valid_tests_expected_results[i], PATH_MAX, | |
156 | "%s%s", relative, valid_tests_inputs[i].absolute_part); | |
157 | } | |
158 | ||
159 | free(cur_path); | |
160 | free(prev_path); | |
161 | free(pprev_path); | |
162 | free(empty); | |
163 | ||
164 | return 0; | |
165 | } | |
166 | ||
167 | int free_valid_results() | |
168 | { | |
169 | int i; | |
170 | ||
171 | for (i = 0; i < num_valid_tests; i++) { | |
172 | free(valid_tests_expected_results[i]); | |
173 | } | |
174 | ||
175 | free(valid_tests_expected_results); | |
176 | ||
177 | return 0; | |
178 | } | |
179 | ||
02bf969d RB |
180 | int prepare_symlink_tree() |
181 | { | |
182 | int i; | |
183 | char tmppath[PATH_MAX]; | |
184 | ||
185 | /* Create the temporary directory */ | |
186 | if (mkdtemp(tree_origin) == NULL) { | |
187 | printerr("mkdtemp"); | |
188 | goto error; | |
189 | } | |
190 | ||
191 | /* Create the directories of the test tree */ | |
192 | for (i = 0; i < num_tree_dirs; i++) { | |
193 | snprintf(tmppath, PATH_MAX, "%s/%s", tree_origin, tree_dirs[i]); | |
194 | ||
195 | if (mkdir(tmppath, 0755) != 0) { | |
196 | snprintf(errmsg, ERRSIZE, "mkdir %s", tmppath); | |
197 | printerr(errmsg); | |
198 | goto error; | |
199 | } | |
200 | } | |
201 | ||
202 | /* Create the symlinks of the test tree */ | |
203 | for (i = 0; i < num_tree_symlinks; i++) { | |
204 | snprintf(tmppath, PATH_MAX, "%s/%s", | |
205 | tree_origin, tree_symlinks[i].orig); | |
206 | ||
207 | if (symlink(tree_symlinks[i].dest, tmppath) != 0) { | |
208 | snprintf(errmsg, ERRSIZE, "symlink %s to %s", | |
209 | tmppath, tree_symlinks[i].dest); | |
210 | printerr(errmsg); | |
211 | goto error; | |
212 | } | |
213 | } | |
214 | ||
215 | return 0; | |
216 | ||
217 | error: | |
218 | return 1; | |
219 | } | |
220 | ||
221 | int free_symlink_tree() | |
222 | { | |
223 | int i; | |
224 | char tmppath[PATH_MAX]; | |
225 | ||
226 | /* Remove the symlinks from the test tree */ | |
227 | for (i = num_tree_symlinks - 1; i > -1; i--) { | |
228 | snprintf(tmppath, PATH_MAX, "%s/%s", | |
229 | tree_origin, tree_symlinks[i].orig); | |
230 | ||
231 | if (unlink(tmppath) != 0) { | |
232 | snprintf(errmsg, ERRSIZE, "unlink %s", tmppath); | |
233 | printerr(errmsg); | |
234 | goto error; | |
235 | } | |
236 | } | |
237 | ||
238 | /* Remove the directories from the test tree */ | |
239 | for (i = num_tree_dirs - 1; i > -1; i--) { | |
240 | snprintf(tmppath, PATH_MAX, "%s/%s", tree_origin, tree_dirs[i]); | |
241 | ||
242 | if (rmdir(tmppath) != 0) { | |
243 | snprintf(errmsg, ERRSIZE, "rmdir %s", tmppath); | |
244 | printerr(errmsg); | |
245 | goto error; | |
246 | } | |
247 | } | |
248 | ||
249 | /* Remove the temporary directory */ | |
250 | if (rmdir(tree_origin) != 0) { | |
251 | snprintf(errmsg, ERRSIZE, "rmdir %s", tree_origin); | |
252 | printerr(errmsg); | |
253 | goto error; | |
254 | } | |
255 | ||
256 | return 0; | |
257 | ||
258 | error: | |
259 | return 1; | |
260 | } | |
261 | ||
cc7f9e36 RB |
262 | static void test_utils_expand_path(void) |
263 | { | |
264 | char *result; | |
02bf969d | 265 | char name[100], tmppath[PATH_MAX]; |
cc7f9e36 RB |
266 | int i; |
267 | ||
268 | /* Test valid cases */ | |
269 | for (i = 0; i < num_valid_tests; i++) { | |
cc7f9e36 RB |
270 | sprintf(name, "valid test case: %s", valid_tests_inputs[i].input); |
271 | ||
272 | result = utils_expand_path(valid_tests_inputs[i].input); | |
ba526563 RB |
273 | ok(result != NULL && |
274 | strcmp(result, valid_tests_expected_results[i]) == 0, name); | |
cc7f9e36 RB |
275 | |
276 | free(result); | |
277 | } | |
278 | ||
02bf969d RB |
279 | /* Test symlink tree cases */ |
280 | int treelen = strlen(tree_origin) + 1; | |
281 | for (i = 0; i < num_symlink_tests; i++) { | |
282 | sprintf(name, "symlink tree test case: [tmppath/]%s", | |
283 | symlink_tests_inputs[i].input); | |
284 | ||
285 | snprintf(tmppath, PATH_MAX, "%s/%s", | |
286 | tree_origin, symlink_tests_inputs[i].input); | |
287 | result = utils_expand_path(tmppath); | |
288 | ok(result != NULL && strcmp(result + treelen, | |
289 | symlink_tests_inputs[i].expected_result) == 0, name); | |
290 | ||
291 | free(result); | |
292 | } | |
293 | ||
cc7f9e36 RB |
294 | /* Test invalid cases */ |
295 | for (i = 0; i < num_invalid_tests; i++) { | |
cc7f9e36 RB |
296 | sprintf(name, "invalid test case: %s", invalid_tests_inputs[i]); |
297 | ||
298 | result = utils_expand_path(invalid_tests_inputs[i]); | |
299 | if (result != NULL) { | |
300 | free(result); | |
301 | } | |
302 | ok(result == NULL, name); | |
303 | } | |
304 | } | |
305 | ||
306 | int main(int argc, char **argv) | |
307 | { | |
02bf969d RB |
308 | if (prepare_symlink_tree() != 0) { |
309 | goto error_mkdir; | |
310 | } | |
311 | ||
cc7f9e36 | 312 | if (prepare_valid_results() != 0) { |
02bf969d | 313 | goto error_malloc; |
cc7f9e36 RB |
314 | } |
315 | ||
02bf969d | 316 | plan_tests(num_valid_tests + num_invalid_tests + num_symlink_tests); |
cc7f9e36 RB |
317 | |
318 | diag("utils_expand_path tests"); | |
319 | ||
320 | test_utils_expand_path(); | |
321 | ||
322 | free_valid_results(); | |
02bf969d RB |
323 | free_symlink_tree(); |
324 | ||
cc7f9e36 | 325 | return exit_status(); |
02bf969d RB |
326 | |
327 | error_malloc: | |
328 | free_valid_results(); | |
329 | ||
330 | error_mkdir: | |
331 | free_symlink_tree(); | |
332 | ||
333 | return 1; | |
cc7f9e36 | 334 | } |