+++ /dev/null
-#include <tools/ccanlint/ccanlint.h>
-#include <tools/tools.h>
-#include <ccan/talloc/talloc.h>
-#include <ccan/str_talloc/str_talloc.h>
-#include <ccan/grab_file/grab_file.h>
-#include <ccan/str/str.h>
-#include <ccan/foreach/foreach.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <unistd.h>
-#include <limits.h>
-#include <errno.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <err.h>
-#include <string.h>
-#include <ctype.h>
-
-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);
projects / ccan / blobdiff