diff options
Diffstat (limited to 'testsuite/testsuite.c')
| -rw-r--r-- | testsuite/testsuite.c | 189 |
1 files changed, 186 insertions, 3 deletions
diff --git a/testsuite/testsuite.c b/testsuite/testsuite.c index 9877a64..c29ca78 100644 --- a/testsuite/testsuite.c +++ b/testsuite/testsuite.c @@ -20,6 +20,7 @@ #include <fcntl.h> #include <getopt.h> #include <limits.h> +#include <dirent.h> #include <stdio.h> #include <stdarg.h> #include <stdlib.h> @@ -528,12 +529,189 @@ fail: return true; } +static int cmp_modnames(const void *m1, const void *m2) +{ + const char *s1 = *(char *const *)m1; + const char *s2 = *(char *const *)m2; + int i; + + for (i = 0; s1[i] || s2[i]; i++) { + char c1 = s1[i], c2 = s2[i]; + if (c1 == '-') + c1 = '_'; + if (c2 == '-') + c2 = '_'; + if (c1 != c2) + return c1 - c2; + } + return 0; +} + +/* + * Store the expected module names in buf and return a list of pointers to + * them. + */ +static const char **read_expected_modules(const struct test *t, + char **buf, int *count) +{ + const char **res; + int len; + int i; + char *p; + + if (t->modules_loaded[0] == '\0') { + *count = 0; + *buf = NULL; + return NULL; + } + *buf = strdup(t->modules_loaded); + if (!*buf) { + *count = -1; + return NULL; + } + len = 1; + for (p = *buf; *p; p++) + if (*p == ',') + len++; + res = malloc(sizeof(char *) * len); + if (!res) { + perror("malloc"); + *count = -1; + free(*buf); + *buf = NULL; + return NULL; + } + i = 0; + res[i++] = *buf; + for (p = *buf; i < len; p++) + if (*p == ',') { + *p = '\0'; + res[i++] = p + 1; + } + *count = len; + return res; +} + +static char **read_loaded_modules(const struct test *t, char **buf, int *count) +{ + char dirname[PATH_MAX]; + DIR *dir; + struct dirent *dirent; + int i; + int len = 0, bufsz; + char **res = NULL; + char *p; + const char *rootfs = t->config[TC_ROOTFS] ? t->config[TC_ROOTFS] : ""; + + /* Store the entries in /sys/module to res */ + if (snprintf(dirname, sizeof(dirname), "%s/sys/module", rootfs) + >= (int)sizeof(dirname)) { + ERR("rootfs path too long: %s\n", rootfs); + *buf = NULL; + len = -1; + goto out; + } + dir = opendir(dirname); + /* not an error, simply return empty list */ + if (!dir) { + *buf = NULL; + goto out; + } + bufsz = 0; + while ((dirent = readdir(dir))) { + if (dirent->d_name[0] == '.') + continue; + len++; + bufsz += strlen(dirent->d_name) + 1; + } + res = malloc(sizeof(char *) * len); + if (!res) { + perror("malloc"); + len = -1; + goto out_dir; + } + *buf = malloc(bufsz); + if (!*buf) { + perror("malloc"); + free(res); + res = NULL; + len = -1; + goto out_dir; + } + rewinddir(dir); + i = 0; + p = *buf; + while ((dirent = readdir(dir))) { + int size; + + if (dirent->d_name[0] == '.') + continue; + size = strlen(dirent->d_name) + 1; + memcpy(p, dirent->d_name, size); + res[i++] = p; + p += size; + } +out_dir: + closedir(dir); +out: + *count = len; + return res; +} + +static int check_loaded_modules(const struct test *t) +{ + int l1, l2, i1, i2; + const char **a1; + char **a2; + char *buf1, *buf2; + int err = false; + + a1 = read_expected_modules(t, &buf1, &l1); + if (l1 < 0) + return err; + a2 = read_loaded_modules(t, &buf2, &l2); + if (l2 < 0) + goto out_a1; + qsort(a1, l1, sizeof(char *), cmp_modnames); + qsort(a2, l2, sizeof(char *), cmp_modnames); + i1 = i2 = 0; + err = true; + while (i1 < l1 || i2 < l2) { + int cmp; + + if (i1 >= l1) + cmp = 1; + else if (i2 >= l2) + cmp = -1; + else + cmp = cmp_modnames(&a1[i1], &a2[i2]); + if (cmp == 0) { + i1++; + i2++; + } else if (cmp < 0) { + err = false; + ERR("module %s not loaded\n", a1[i1]); + i1++; + } else { + err = false; + ERR("module %s is loaded but should not be \n", a2[i2]); + i2++; + } + } + free(a2); + free(buf2); +out_a1: + free(a1); + free(buf1); + return err; +} + static inline int test_run_parent(const struct test *t, int fdout[2], int fderr[2], int fdmonitor[2], pid_t child) { pid_t pid; int err; - bool matchout; + bool matchout, match_modules; /* Close write-fds */ if (t->output.out != NULL) @@ -578,16 +756,21 @@ static inline int test_run_parent(const struct test *t, int fdout[2], if (matchout) matchout = check_generated_files(t); + if (t->modules_loaded) + match_modules = check_loaded_modules(t); + else + match_modules = true; if (t->expected_fail == false) { if (err == 0) { - if (matchout) + if (matchout && match_modules) LOG("%sPASSED%s: %s\n", ANSI_HIGHLIGHT_GREEN_ON, ANSI_HIGHLIGHT_OFF, t->name); else { - ERR("%sFAILED%s: exit ok but outputs do not match: %s\n", + ERR("%sFAILED%s: exit ok but %s do not match: %s\n", ANSI_HIGHLIGHT_RED_ON, ANSI_HIGHLIGHT_OFF, + matchout ? "loaded modules" : "outputs", t->name); err = EXIT_FAILURE; } |