g10: Add test for keydb as well as new testing infrastructure.

* g10/Makefile.am (EXTRA_DIST): Add test.c.
(AM_CPPFLAGS): Add -DSOURCE_DIR="\"$(srcdir)\"".
(module_tests): Add t-keydb.
(t_keydb_SOURCES): New variable.
(t_keydb_LDADD): Likewise.
* g10/t-keydb.c: New file.
* g10/t-keydb-keyring.kbx: New file.
* g10/test-stubs.c: New file.
* g10/test.c: New file.

--
Signed-off-by: Neal H. Walfield <neal@g10code.com>.

1 files changed, 141 insertions, 0 deletions

diff --git a/g10/test.c b/g10/test.c
new file mode 100644
index 000000000..6910f95ad
--- /dev/null
+++ b/g10/test.c
@@ -0,0 +1,141 @@
+/* test.c - Infrastructure for unit tests.
+ * Copyright (C) 2015 g10 Code GmbH
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * GnuPG is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <config.h>
+#include "gpg.h"
+
+/* A unit test consists of one or more tests.  Tests can be broken
+   into groups and each group can consist of one or more tests.  */
+
+/* The number of test groups.  */
+static int test_groups;
+/* The current test group.  */
+static char *test_group;
+
+/* Whether there was already a failure in the current test group.  */
+static int current_test_group_failed;
+/* The number of test groups with a failure.  */
+static int test_groups_failed;
+
+/* The total number of tests.  */
+static int tests;
+/* The total number of tests that failed.  */
+static int tests_failed;
+
+#define TEST_GROUP(description)	     \
+  do {				     \
+    test_group = (description);	     \
+    test_groups ++;		     \
+    current_test_group_failed = 0;   \
+  } while (0)
+
+#define STRINGIFY2(x) #x
+#define STRINGIFY(x) STRINGIFY2(x)
+
+/* Execute a test.  */
+#define TEST(description, test, expected)	\
+  do {						\
+    int test_result;				\
+    int expected_result;			\
+						\
+    tests ++;					\
+						\
+    printf ("%d. Checking %s...",		\
+	    tests, (description) ?: "");	\
+    fflush (stdout);				\
+						\
+    test_result = (test);			\
+    expected_result = (expected);		\
+						\
+    if (test_result == expected_result)		\
+      {						\
+        printf (" ok.\n");			\
+      }						\
+    else					\
+      {						\
+	printf (" failed.\n");			\
+	printf ("  %s == %s failed.\n",		\
+		STRINGIFY(test),		\
+		STRINGIFY(expected));		\
+	tests_failed ++;			\
+	if (! current_test_group_failed)	\
+	  {					\
+	    current_test_group_failed = 1;	\
+	    test_groups_failed ++;		\
+	  }					\
+      }						\
+  } while (0)
+
+/* Test that a condition evaluates to true.  */
+#define TEST_P(description, test)		\
+  TEST(description, !!(test), 1)
+
+/* Like CHECK, but if the test fails, abort the program.  */
+#define ASSERT(description, test, expected)		\
+  do {							\
+    int tests_failed_pre = tests_failed;		\
+    CHECK(description, test, expected);			\
+    if (tests_failed_pre != tests_failed)		\
+      exit (1);						\
+  } while (0)
+
+/* Call this if something went wrong.  */
+#define ABORT(message)				\
+  do {						\
+    printf ("aborting...");			\
+    if (message)				\
+      printf (" %s\n", (message));		\
+						\
+    exit(1);					\
+  } while (0)
+
+/* You need to fill this function in.  */
+static void do_test (int argc, char *argv[]);
+
+static void
+print_results (void)
+{
+  if (tests_failed == 0)
+    {
+      printf ("All %d tests passed.\n", tests);
+      exit (0);
+    }
+  else
+    {
+      printf ("%d of %d tests failed",
+	      tests_failed, tests);
+      if (test_groups > 1)
+	printf (" (%d of %d groups)",
+		test_groups_failed, test_groups);
+      printf ("\n");
+
+      exit (1);
+    }
+}
+
+int
+main (int argc, char *argv[])
+{
+  (void) test_group;
+
+  do_test (argc, argv);
+  atexit (print_results);
+
+  return tests_failed == 0;
+}