X-Git-Url: https://git.ozlabs.org/?a=blobdiff_plain;f=tools%2Fccanlint%2Ftests%2Frun-coverage.c;fp=tools%2Fccanlint%2Ftests%2Frun-coverage.c;h=0000000000000000000000000000000000000000;hb=051db34fb275491d4d5dfa5bf7970e8e525766d8;hp=af8d6f21c845948fbbae3cd1413cbfc6ac8e2938;hpb=2926cafb52b9d95646d9dafa877d53f2368d8b2c;p=ccan diff --git a/tools/ccanlint/tests/run-coverage.c b/tools/ccanlint/tests/run-coverage.c deleted file mode 100644 index af8d6f21..00000000 --- a/tools/ccanlint/tests/run-coverage.c +++ /dev/null @@ -1,172 +0,0 @@ -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -static bool find_source_file(const struct manifest *m, const char *filename) -{ - const struct ccan_file *i; - - list_for_each(&m->c_files, i, list) { - if (streq(i->fullname, filename)) - return true; - } - list_for_each(&m->h_files, i, list) { - if (streq(i->fullname, filename)) - return true; - } - return false; -} - -/* 1 point for 50%, 2 points for 75%, 3 points for 87.5%... Bonus for 100%. */ -static unsigned int score_coverage(float covered, unsigned total) -{ - float thresh, uncovered = 1.0 - covered; - unsigned int i; - - if (covered == 1.0) - return total; - - total--; - for (i = 0, thresh = 0.5; i < total; i++, thresh /= 2) { - if (uncovered > thresh) - break; - } - return i; -} - - -/* FIXME: Don't know how stable this is. Read cov files directly? */ -static void analyze_coverage(struct manifest *m, bool full_gcov, - const char *output, struct score *score) -{ - char **lines = strsplit(score, output, "\n", NULL); - float covered_lines = 0.0; - unsigned int i, total_lines = 0; - bool lines_matter = false; - - /* - Output looks like: - File '../../../ccan/tdb2/private.h' - Lines executed:0.00% of 8 - /home/ccan/ccan/tdb2/test/run-simple-delete.c:creating 'run-simple-delete.c.gcov' - - File '../../../ccan/tdb2/tdb.c' - Lines executed:0.00% of 450 - */ - - for (i = 0; lines[i]; i++) { - if (strstarts(lines[i], "File '")) { - char *file = lines[i] + strlen("File '"); - file[strcspn(file, "'")] = '\0'; - if (find_source_file(m, file)) - lines_matter = true; - else - lines_matter = false; - } else if (lines_matter - && strstarts(lines[i], "Lines executed:")) { - float ex; - unsigned of; - if (sscanf(lines[i], "Lines executed:%f%% of %u", - &ex, &of) != 2) - errx(1, "Could not parse line '%s'", lines[i]); - total_lines += of; - covered_lines += ex / 100.0 * of; - } else if (full_gcov && strstr(lines[i], ":creating '")) { - char *file, *filename, *apostrophe; - apostrophe = strchr(lines[i], '\''); - filename = apostrophe + 1; - apostrophe = strchr(filename, '\''); - *apostrophe = '\0'; - if (lines_matter) { - file = grab_file(score, filename, NULL); - if (!file) { - score->error = talloc_asprintf(score, - "Reading %s", - filename); - return; - } - printf("%s", file); - } - if (tools_verbose) - printf("Unlinking %s", filename); - unlink(filename); - } - } - - score->pass = true; - - /* Nothing covered? We can't tell if there's a source file which - * was never executed, or there really is no code to execute, so - * assume the latter: this test deserves no score. */ - if (total_lines == 0) - score->total = score->score = 0; - else { - score->total = 6; - score->score = score_coverage(covered_lines / total_lines, - score->total); - } -} - -static void do_run_coverage_tests(struct manifest *m, - bool keep, - unsigned int *timeleft, struct score *score) -{ - struct ccan_file *i; - char *cmdout; - char *covcmd; - bool full_gcov = (verbose > 1); - struct list_head *list; - - /* This tells gcov where we put those .gcno files. */ - covcmd = talloc_asprintf(m, "gcov %s -o %s", - full_gcov ? "" : "-n", - talloc_dirname(score, m->info_file->compiled)); - - /* Run them all. */ - foreach_ptr(list, &m->run_tests, &m->api_tests) { - list_for_each(list, i, list) { - if (run_command(score, timeleft, &cmdout, - "%s", i->cov_compiled)) { - covcmd = talloc_asprintf_append(covcmd, " %s", - i->fullname); - } else { - score->error = "Running test with coverage"; - score_file_error(score, i, 0, cmdout); - return; - } - } - } - - /* Now run gcov: we want output even if it succeeds. */ - if (!run_command(score, timeleft, &cmdout, "%s", covcmd)) { - score->error = talloc_asprintf(score, "Running gcov: %s", - cmdout); - return; - } - - analyze_coverage(m, full_gcov, cmdout, score); -} - -struct ccanlint tests_coverage = { - .key = "tests_coverage", - .name = "Module's tests cover all the code", - .check = do_run_coverage_tests, - .needs = "tests_compile_coverage tests_pass" -}; - -REGISTER_TEST(tests_coverage);