ccanlint: rename files to match keys

[ccan] / tools / ccanlint / tests / tests_compile_coverage.c

diff --git a/tools/ccanlint/tests/tests_compile_coverage.c b/tools/ccanlint/tests/tests_compile_coverage.c
new file mode 100644 (file)
index 0000000..115ae94
--- /dev/null
+++ b/tools/ccanlint/tests/tests_compile_coverage.c
@@ -0,0 +1,153 @@
+#include <tools/ccanlint/ccanlint.h>
+#include <tools/tools.h>
+#include <ccan/talloc/talloc.h>
+#include <ccan/str/str.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>
+
+/* Note: we already test safe_mode in run_tests.c */
+static const char *can_run_coverage(struct manifest *m)
+{
+       unsigned int timeleft = default_timeout_ms;
+       char *output;
+
+       if (!run_command(m, &timeleft, &output, "gcov -h"))
+               return talloc_asprintf(m, "No gcov support: %s", output);
+       return NULL;
+}
+
+static bool build_module_objs_with_coverage(struct manifest *m, bool keep,
+                                           struct score *score,
+                                           char **modobjs)
+{
+       struct ccan_file *i;
+
+       *modobjs = talloc_strdup(m, "");
+       list_for_each(&m->c_files, i, list) {
+               char *err;
+               char *fullfile = talloc_asprintf(m, "%s/%s", m->dir, i->name);
+
+               i->cov_compiled = maybe_temp_file(m, "", keep, fullfile);
+               if (!compile_object(m, fullfile, ccan_dir, "",
+                                   i->cov_compiled, &err)) {
+                       score_file_error(score, i, 0, err);
+                       talloc_free(i->cov_compiled);
+                       i->cov_compiled = NULL;
+                       return false;
+               }
+               *modobjs = talloc_asprintf_append(*modobjs,
+                                                 " %s", i->cov_compiled);
+       }
+       return true;
+}
+
+/* FIXME: Merge this into one place. */
+static char *obj_list(const struct manifest *m, const char *modobjs)
+{
+       char *list = talloc_strdup(m, "");
+       struct ccan_file *i;
+       struct manifest *subm;
+
+       /* Objects from any other C files. */
+       list_for_each(&m->other_test_c_files, i, list)
+               list = talloc_asprintf_append(list, " %s", i->compiled);
+
+       if (modobjs)
+               list = talloc_append_string(list, modobjs);
+
+       /* Other ccan modules (don't need coverage versions of those). */
+       list_for_each(&m->deps, subm, list) {
+               if (subm->compiled)
+                       list = talloc_asprintf_append(list, " %s",
+                                                     subm->compiled);
+       }
+
+       return list;
+}
+
+static char *lib_list(const struct manifest *m)
+{
+       unsigned int i, num;
+       char **libs = get_libs(m, m->dir, &num, &m->info_file->compiled);
+       char *ret = talloc_strdup(m, "");
+
+       for (i = 0; i < num; i++)
+               ret = talloc_asprintf_append(ret, "-l%s ", libs[i]);
+       return ret;
+}
+
+static char *cov_compile(const void *ctx,
+                        struct manifest *m,
+                        struct ccan_file *file,
+                        const char *modobjs,
+                        bool keep)
+{
+       char *output;
+
+       file->cov_compiled = maybe_temp_file(ctx, "", keep, file->fullname);
+       if (!compile_and_link(ctx, file->fullname, ccan_dir,
+                             obj_list(m, modobjs),
+                             COVERAGE_CFLAGS,
+                             lib_list(m), file->cov_compiled, &output)) {
+               talloc_free(file->cov_compiled);
+               file->cov_compiled = NULL;
+               return output;
+       }
+       talloc_free(output);
+       return NULL;
+}
+
+/* FIXME: Coverage from testable examples as well. */
+static void do_compile_coverage_tests(struct manifest *m,
+                                     bool keep,
+                                     unsigned int *timeleft,
+                                     struct score *score)
+{
+       char *cmdout, *modobjs = NULL;
+       struct ccan_file *i;
+
+       if (!list_empty(&m->api_tests)
+           && !build_module_objs_with_coverage(m, keep, score, &modobjs)) {
+               score->error = "Failed to compile module objects with coverage";
+               return;
+       }
+
+       list_for_each(&m->run_tests, i, list) {
+               cmdout = cov_compile(m, m, i, NULL, keep);
+               if (cmdout) {
+                       score->error = "Failed to compile test with coverage";
+                       score_file_error(score, i, 0, cmdout);
+               }
+       }
+
+       list_for_each(&m->api_tests, i, list) {
+               cmdout = cov_compile(m, m, i, modobjs, keep);
+               if (cmdout) {
+                       score->error = "Failed to compile test with coverage";
+                       score_file_error(score, i, 0, cmdout);
+               }
+       }
+       if (!score->error) {
+               score->pass = true;
+               score->score = score->total;
+       }
+}
+
+struct ccanlint tests_compile_coverage = {
+       .key = "tests_compile_coverage",
+       .name = "Module tests compile with " COVERAGE_CFLAGS,
+       .check = do_compile_coverage_tests,
+       .can_run = can_run_coverage,
+       .needs = "tests_compile"
+};
+
+REGISTER_TEST(tests_compile_coverage);