db: Add testcase for DB layer

src/mint/Makefile.am

@@ -101,7 +101,8 @@ taler_mint_dbinit_LDFLAGS = $(POSTGRESQL_LDFLAGS)
 
 check_PROGRAMS = \
   test-mint-deposits \
-  test-mint-common
+  test-mint-common \
+  test-mint-db
 
 test_mint_deposits_SOURCES = \
   test_mint_deposits.c
@@ -120,3 +121,11 @@ test_mint_common_LDADD = \
   $(top_srcdir)/src/util/libtalerutil.la \
   $(top_srcdir)/src/pq/libtalerpq.la \
   -lgnunetutil
+
+test_mint_db_SOURCES = \
+  test_mint_db.c
+test_mint_db_LDADD = \
+  libtalermint_common.la \
+  $(top_srcdir)/src/util/libtalerutil.la \
+  $(top_srcdir)/src/pq/libtalerpq.la \
+  -lgnunetutil

src/mint/test_mint_db.c

@@ -0,0 +1,81 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2014, 2015 Christian Grothoff (and other contributing authors)
+
+  TALER 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, or (at your option) any later version.
+
+  TALER 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
+  TALER; see the file COPYING.  If not, If not, see <http://www.gnu.org/licenses/>
+*/
+
+/**
+ * @file mint/test_mint_db.c
+ * @brief test cases for DB interaction functions
+ * @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ */
+
+#include "platform.h"
+#include "mint_db.h"
+
+static int result;
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used (for saving, can be NULL!)
+ * @param config configuration
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+     const struct GNUNET_CONFIGURATION_Handle *config)
+{
+  PGconn *db;
+
+  db = NULL;
+  if (GNUNET_OK != TALER_MINT_DB_init ("postgres:///taler"))
+  {
+    result = 1;
+    return;
+  }
+  if (GNUNET_OK != TALER_MINT_DB_create_tables (GNUNET_YES))
+  {
+    result = 2;
+    goto drop;
+  }
+  if (NULL == (db = TALER_MINT_DB_get_connection(GNUNET_YES)))
+  {
+    result = 3;
+    goto drop;
+  }
+  result = 0;
+ drop:
+  if (NULL != db)
+    GNUNET_break (GNUNET_OK == TALER_MINT_DB_drop_temporary (db));
+}
+
+
+int
+main (int argc, char *const argv[])
+{
+   static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+    GNUNET_GETOPT_OPTION_END
+  };
+
+   result = -1;
+  if (GNUNET_OK !=
+      GNUNET_PROGRAM_run (argc, argv,
+                          "test-mint-db",
+                          "Test cases for mint database helper functions.",
+                          options, &run, NULL))
+    return 3;
+  return result;
+}