ccanlint: get rid of separate class of compulsory tests.

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

diff --git a/tools/ccanlint/tests/depends_exist.c b/tools/ccanlint/tests/depends_exist.c
new file mode 100644 (file)
index 0000000..ff67857
--- /dev/null
+++ b/tools/ccanlint/tests/depends_exist.c
@@ -0,0 +1,92 @@
+#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>
+
+static bool add_dep(struct manifest *m, const char *dep, struct score *score)
+{
+       struct stat st;
+       struct manifest *subm;
+       char *dir = talloc_asprintf(m, "%s/%s", ccan_dir, dep);
+
+       /* FIXME: get_manifest has a tendency to exit. */
+       if (stat(dir, &st) != 0) {
+               score->error
+                       = talloc_asprintf(m,
+                                         "Could not stat dependency %s: %s",
+                                         dir, strerror(errno));
+               return false;
+       }
+       subm = get_manifest(m, dir);
+       list_add_tail(&m->deps, &subm->list);
+       return true;
+}
+
+/* FIXME: check this is still true once we reduce features. */
+static void check_depends_exist(struct manifest *m,
+                               bool keep,
+                               unsigned int *timeleft, struct score *score)
+{
+       unsigned int i;
+       char **deps;
+       char *updir = talloc_strdup(m, m->dir);
+       bool needs_tap;
+
+       if (strrchr(updir, '/'))
+               *strrchr(updir, '/') = '\0';
+
+       /* We may need libtap for testing, unless we're "tap" */
+       if (streq(m->basename, "tap")) {
+               needs_tap = false;
+       } else if (list_empty(&m->run_tests) && list_empty(&m->api_tests)) {
+               needs_tap = false;
+       } else {
+               needs_tap = true;
+       }
+
+       if (safe_mode)
+               deps = get_safe_ccan_deps(m, m->dir, true);
+       else
+               deps = get_deps(m, m->dir, true,
+                               &m->info_file->compiled[COMPILE_NORMAL]);
+
+       for (i = 0; deps[i]; i++) {
+               if (!strstarts(deps[i], "ccan/"))
+                       continue;
+
+               if (!add_dep(m, deps[i], score))
+                       return;
+
+               if (streq(deps[i], "ccan/tap")) {
+                       needs_tap = false;
+               }
+       }
+
+       if (needs_tap && !add_dep(m, "ccan/tap", score)) {
+               return;
+       }
+
+       score->pass = true;
+       score->score = score->total;
+}
+
+struct ccanlint depends_exist = {
+       .key = "depends_exist",
+       .name = "Module's CCAN dependencies can be found",
+       .compulsory = true,
+       .check = check_depends_exist,
+       .needs = "info_exists"
+};
+
+REGISTER_TEST(depends_exist);