]> git.ozlabs.org Git - ccan/blobdiff - tools/ccanlint/tests/tests_pass_valgrind.c
ccanlint: tests_pass_valgrind_noleaks: handle FAIL option on tests.
[ccan] / tools / ccanlint / tests / tests_pass_valgrind.c
index 4365f2a60227bc1a259ad4671d23efa72f87f0e9..2a227c88743ead915aad21db6fd82f35e1bbb352 100644 (file)
@@ -17,7 +17,8 @@
 #include <string.h>
 #include <ctype.h>
 
-struct ccanlint run_tests_vg;
+REGISTER_TEST(tests_pass_valgrind);
+REGISTER_TEST(tests_pass_valgrind_noleaks);
 
 /* Note: we already test safe_mode in run_tests.c */
 static const char *can_run_vg(struct manifest *m)
@@ -49,14 +50,30 @@ static bool blank_line(const char *line)
        return line[strspn(line, "=0123456789 ")] == '\0';
 }
 
-static char *get_leaks(const char *output, char **errs)
+/* Removes matching lines from lines array, returns them.  FIXME: Hacky. */
+static char **extract_matching(const char *prefix, char *lines[])
 {
-       char *leaks = talloc_strdup(output, "");
-       unsigned int i, num;
-       char **lines = strsplit(output, output, "\n", &num);
+       unsigned int i, num_ret = 0;
+       char **ret = talloc_array(lines, char *, talloc_array_length(lines));
 
-       *errs = talloc_strdup(output, "");
-       for (i = 0; i < num; i++) {
+       for (i = 0; i < talloc_array_length(lines) - 1; i++) {
+               if (strstarts(lines[i], prefix)) {
+                       ret[num_ret++] = talloc_steal(ret, lines[i]);
+                       lines[i] = (char *)"";
+               }
+       }
+       ret[num_ret++] = NULL;
+
+       /* Make sure length is correct! */
+       return talloc_realloc(NULL, ret, char *, num_ret);
+}
+
+static char *get_leaks(char *lines[], char **errs)
+{
+       char *leaks = talloc_strdup(lines, "");
+       unsigned int i;
+
+       for (i = 0; i < talloc_array_length(lines) - 1; i++) {
                if (strstr(lines[i], " lost ")) {
                        /* A leak... */
                        if (strstr(lines[i], " definitely lost ")) {
@@ -81,6 +98,31 @@ static char *get_leaks(const char *output, char **errs)
                        }
                }
        }
+       return leaks;
+}
+
+/* Returns leaks, and sets errs[] */
+static char *analyze_output(const char *output, char **errs)
+{
+       char *leaks = talloc_strdup(output, "");
+       unsigned int i;
+       char **lines = strsplit(output, output, "\n");
+
+       *errs = talloc_strdup(output, "");
+       for (i = 0; i < talloc_array_length(lines) - 1; i++) {
+               unsigned int preflen = strspn(lines[i], "=0123456789");
+               char *prefix, **sublines;
+
+               /* Ignore erased lines, or weird stuff. */
+               if (preflen == 0)
+                       continue;
+
+               prefix = talloc_strndup(output, lines[i], preflen);
+               sublines = extract_matching(prefix, lines);
+
+               leaks = talloc_append_string(leaks, get_leaks(sublines, errs));
+       }
+
        if (!leaks[0]) {
                talloc_free(leaks);
                leaks = NULL;
@@ -92,6 +134,19 @@ static char *get_leaks(const char *output, char **errs)
        return leaks;
 }
 
+static const char *concat(struct score *score, char *bits[])
+{
+       unsigned int i;
+       char *ret = talloc_strdup(score, "");
+
+       for (i = 0; bits[i]; i++) {
+               if (i)
+                       ret = talloc_append_string(ret, " ");
+               ret = talloc_append_string(ret, bits[i]);
+       }
+       return ret;
+}
+
 /* FIXME: Run examples, too! */
 static void do_run_tests_vg(struct manifest *m,
                             bool keep,
@@ -104,36 +159,56 @@ static void do_run_tests_vg(struct manifest *m,
 
        /* This is slow, so we run once but grab leak info. */
        score->total = 0;
+       score->pass = true;
        foreach_ptr(list, &m->run_tests, &m->api_tests) {
                list_for_each(list, i, list) {
-                       char *output, *err;
+                       char *output, *err, *log;
+                       bool pass;
+                       const char *options;
+
                        score->total++;
+                       options = concat(score,
+                                        per_file_options(&tests_pass_valgrind,
+                                                         i));
+                       if (streq(options, "FAIL"))
+                               continue;
+
                        /* FIXME: Valgrind's output sucks.  XML is unreadable by
-                        * humans, and you can't have both. */
-                       run_command(score, timeleft, &cmdout,
-                                   "valgrind -q --error-exitcode=101"
-                                   " --leak-check=full"
-                                   " --log-fd=3 %s %s"
-                                   " 3> valgrind.log",
-                                   run_tests_vg.options ?
-                                   run_tests_vg.options : "",
-                                   i->compiled);
-                       output = grab_file(i, "valgrind.log", NULL);
+                        * humans *and* doesn't support children reporting. */
+                       log = talloc_asprintf(score,
+                                             "%s.valgrind-log", i->compiled);
+                       if (!keep)
+                               talloc_set_destructor(log,
+                                                     unlink_file_destructor);
+
+                       pass = run_command(score, timeleft, &cmdout,
+                                        "valgrind -q --error-exitcode=101"
+                                          " --leak-check=full"
+                                          " --log-fd=3 %s %s"
+                                          " 3> %s",
+                                          options,
+                                          i->compiled, log);
+                       output = grab_file(i, log, NULL);
+                       /* No valgrind errors?  Expect it to pass... */
                        if (!output || output[0] == '\0') {
-                               err = NULL;
+                               if (!pass) {
+                                       err = talloc_asprintf(score,
+                                                             "Test failed:\n"
+                                                             "%s",
+                                                             cmdout);
+                               } else
+                                       err = NULL;
                                i->leak_info = NULL;
                        } else {
-                               i->leak_info = get_leaks(output, &err);
+                               i->leak_info = analyze_output(output, &err);
                        }
-                       if (err)
-                               score_file_error(score, i, 0, err);
-                       else
+                       if (err) {
+                               score_file_error(score, i, 0, "%s", err);
+                               score->pass = false;
+                       } else
                                score->score++;
                }
        }
-
-       if (score->score == score->total)
-               score->pass = true;
 }
 
 static void do_leakcheck_vg(struct manifest *m,
@@ -143,20 +218,34 @@ static void do_leakcheck_vg(struct manifest *m,
 {
        struct ccan_file *i;
        struct list_head *list;
+       char **options;
        bool leaks = false;
 
        foreach_ptr(list, &m->run_tests, &m->api_tests) {
                list_for_each(list, i, list) {
+                       options = per_file_options(&tests_pass_valgrind_noleaks,
+                                                  i);
+                       if (options[0]) {
+                               if (streq(options[0], "FAIL")) {
+                                       leaks = true;
+                                       continue;
+                               }
+                               errx(1, "Unknown leakcheck options '%s'",
+                                    options[0]);
+                       }
+
                        if (i->leak_info) {
-                               score_file_error(score, i, 0, i->leak_info);
+                               score_file_error(score, i, 0, "%s",
+                                                i->leak_info);
                                leaks = true;
                        }
                }
        }
 
+       /* FIXME: We don't fail for this, since many tests leak. */ 
+       score->pass = true;
        if (!leaks) {
                score->score = 1;
-               score->pass = true;
        }
 }
 
@@ -168,13 +257,18 @@ static void run_under_debugger_vg(struct manifest *m, struct score *score)
        struct file_error *first;
        char *command;
 
+       /* Don't ask anything if they suppressed tests. */
+       if (score->pass)
+               return;
+
        if (!ask("Should I run the first failing test under the debugger?"))
                return;
 
        first = list_top(&score->per_file_errors, struct file_error, list);
-       command = talloc_asprintf(m, "valgrind --db-attach=yes%s %s",
-                                 run_tests_vg.options ?
-                                 run_tests_vg.options : "",
+       command = talloc_asprintf(m, "valgrind --leak-check=full --db-attach=yes%s %s",
+                                 concat(score,
+                                        per_file_options(&tests_pass_valgrind,
+                                                         first->file)),
                                  first->file->compiled);
        if (system(command))
                doesnt_matter();
@@ -190,13 +284,11 @@ struct ccanlint tests_pass_valgrind = {
        .needs = "tests_pass"
 };
 
-REGISTER_TEST(tests_pass_valgrind);
-
 struct ccanlint tests_pass_valgrind_noleaks = {
        .key = "tests_pass_valgrind_noleaks",
        .name = "Module's run and api tests have no memory leaks",
        .check = do_leakcheck_vg,
+       .takes_options = true,
        .needs = "tests_pass_valgrind"
 };
 
-REGISTER_TEST(tests_pass_valgrind_noleaks);