Prepare for release: rename to ponghero and pull in ccan.

[ponghero.git] / ccan / ccan_tools / run_tests.c

diff --git a/ccan/ccan_tools/run_tests.c b/ccan/ccan_tools/run_tests.c
new file mode 100644 (file)
index 0000000..642df2e
--- /dev/null
+++ b/ccan/ccan_tools/run_tests.c
@@ -0,0 +1,210 @@
+#include <err.h>
+#include <stdio.h>
+#include <sys/types.h>
+#include <dirent.h>
+#include <assert.h>
+#include <unistd.h>
+#include "libtap/src/tap.h"
+#include "talloc/talloc.h"
+#include "../string/string.h"
+
+#define CFLAGS "-O3 -Wall -Wundef -Wstrict-prototypes -Wold-style-definition -Wmissing-prototypes -Wmissing-declarations -Werror -I. -Iccan_tools/libtap/src/"
+
+/* FIXME: Use build bug later. */
+#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
+
+static struct test *tests = NULL;
+static struct obj *objs = NULL;
+static int verbose;
+
+struct test_type
+{
+       const char *name;
+       void (*testfn)(struct test_type *t, const char *name);
+};
+
+struct test
+{
+       struct test *next;
+       struct test_type *type;
+       char *name;
+};
+
+struct obj
+{
+       struct obj *next;
+       char *name;
+};
+
+static char *output_name(const char *name)
+{
+       char *ret;
+
+       assert(strends(name, ".c"));
+
+       ret = talloc_strdup(name, name);
+       ret[strlen(ret) - 2] = '\0';
+       return ret;
+}
+
+static char *obj_list(void)
+{
+       char *list = talloc_strdup(objs, "");
+       struct obj *i;
+
+       for (i = objs; i; i = i->next)
+               list = talloc_asprintf_append(list, "%s ", i->name);
+
+       /* FIXME */
+       list = talloc_asprintf_append(list, "ccan_tools/libtap/src/tap.o");
+       return list;
+}
+
+static void compile_objs(void)
+{
+       struct obj *i;
+
+       for (i = objs; i; i = i->next) {
+               char *cmd = talloc_asprintf(i, "gcc " CFLAGS " -o %s.o -c %s%s",
+                                           output_name(i->name), i->name,
+                                           verbose ? "" : "> /dev/null 2>&1");
+               ok(system(cmd) == 0, "%s", cmd);
+       }
+}
+
+static void cleanup_objs(void)
+{
+       struct obj *i;
+
+       for (i = objs; i; i = i->next)
+               unlink(talloc_asprintf(i, "%s.o", output_name(i->name)));
+}
+
+static void add_test(const char *testdir, const char *name, struct test_type *t)
+{
+       struct test *test = talloc(testdir, struct test);
+
+       test->next = tests;
+       test->type = t;
+       test->name = talloc_asprintf(test, "%s/%s", testdir, name);
+       tests = test;
+}
+
+static void add_obj(const char *testdir, const char *name)
+{
+       struct obj *obj = talloc(testdir, struct obj);
+
+       obj->next = objs;
+       obj->name = talloc_asprintf(obj, "%s/%s", testdir, name);
+       objs = obj;
+}
+
+static int build(const char *name, int fail)
+{
+       const char *cmd;
+       int ret;
+
+       cmd = talloc_asprintf(name, "gcc " CFLAGS " %s -o %s %s %s%s",
+                             fail ? "-DFAIL" : "",
+                             output_name(name), name, obj_list(),
+                             verbose ? "" : "> /dev/null 2>&1");
+
+       if (verbose)
+               fprintf(stderr, "Running %s\n", cmd);
+
+       ret = system(cmd);
+       if (ret == -1)
+               diag("cmd '%s' failed to execute", cmd);
+
+       return ret;
+}
+
+static void compile_ok(struct test_type *t, const char *name)
+{
+       ok(build(name, 0) == 0, "%s %s", t->name, name);
+}
+
+static void compile_fail(struct test_type *t, const char *name)
+{
+       if (build(name, 0) != 0)
+               fail("non-FAIL build %s", name);
+       else
+               ok(build(name, 1) > 0, "%s %s", t->name, name);
+}
+
+static void run(const char *name)
+{
+       if (system(output_name(name)) == -1)
+               fail("running %s had error %m", name);
+}
+
+static void cleanup(const char *name)
+{
+       unlink(output_name(name));
+}
+
+static struct test_type test_types[] = {
+       { "compile_ok", compile_ok },
+       { "compile_fail", compile_fail },
+       { "run", compile_ok },
+};
+
+int main(int argc, char *argv[])
+{
+       DIR *dir;
+       struct dirent *d;
+       char *testdir;
+       struct test *test;
+       unsigned int num_tests = 0, num_objs = 0;
+
+       if (argc > 1 && streq(argv[1], "--verbose")) {
+               verbose = 1;
+               argc--;
+               argv++;
+       }
+
+       if (argc != 2)
+               errx(1, "Usage: run_tests [--verbose] <dir>");
+
+       testdir = talloc_asprintf(NULL, "%s/test", argv[1]);
+       dir = opendir(testdir);
+       if (!dir)
+               err(1, "Opening '%s'", testdir);
+
+       while ((d = readdir(dir)) != NULL) {
+               unsigned int i;
+               if (d->d_name[0] == '.' || !strends(d->d_name, ".c"))
+                       continue;
+
+               for (i = 0; i < ARRAY_SIZE(test_types); i++) {
+                       if (strstarts(d->d_name, test_types[i].name)) {
+                               add_test(testdir, d->d_name, &test_types[i]);
+                               num_tests++;
+                               break;
+                       }
+               }
+               if (i == ARRAY_SIZE(test_types)) {
+                       add_obj(testdir, d->d_name);
+                       num_objs++;
+               }
+       }
+
+       plan_tests(num_tests + num_objs);
+       /* First all the extra object compilations. */
+       compile_objs();
+
+       /* Do all the test compilations. */
+       for (test = tests; test; test = test->next)
+               test->type->testfn(test->type, test->name);
+
+       cleanup_objs();
+
+       /* Now run all the ones which wanted to run. */
+       for (test = tests; test; test = test->next) {
+               if (streq(test->type->name, "run"))
+                       run(test->name);
+               cleanup(test->name);
+       }
+
+       exit(exit_status());
+}