build: GlusterFS Unit Test Framework

This patch will allow for developers to create unit tests for
their code.  Documentation has been added to the patch and
is available here:

doc/hacker-guide/en-US/markdown/unittest.md

Also, unit tests are run when RPM is created.

BUG: 1067059
Change-Id: I95cf8bb0354d4ca4ed4476a0f2385436a17d2369
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Signed-off-by: Luis Pabon <lpabon@redhat.com>
Reviewed-on: http://review.gluster.org/7145
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Justin Clift <justin@gluster.org>
Tested-by: Justin Clift <justin@gluster.org>

1 files changed, 20 insertions, 0 deletions

diff --git a/xlators/cluster/dht/src/dht-layout.c b/xlators/cluster/dht/src/dht-layout.c
index 31d85a5060b..deaa493f908 100644
--- a/xlators/cluster/dht/src/dht-layout.c
+++ b/xlators/cluster/dht/src/dht-layout.c
@@ -25,6 +25,19 @@
 
 #define layout_size(cnt) (layout_base_size + (cnt * layout_entry_size))
 
+#include <cmockery/pbc.h>
+#include <cmockery/cmockery_override.h>
+
+// Change GF_CALLOC and GF_FREE to use
+// cmockery2 memory allocation versions
+#ifdef UNIT_TESTING
+#undef GF_CALLOC
+#define GF_CALLOC(n, s, t) test_calloc(n, s)
+#undef GF_FREE
+#define GF_FREE test_free
+#endif
+
+
 
 dht_layout_t *
 dht_layout_new (xlator_t *this, int cnt)
@@ -32,6 +45,8 @@ dht_layout_new (xlator_t *this, int cnt)
         dht_layout_t *layout = NULL;
         dht_conf_t   *conf = NULL;
 
+        REQUIRE(NULL != this);
+        REQUIRE(cnt >= 0);
 
         conf = this->private;
 
@@ -50,6 +65,11 @@ dht_layout_new (xlator_t *this, int cnt)
         }
 
         layout->ref = 1;
+
+        ENSURE(NULL != layout);
+        ENSURE(layout->type == DHT_HASH_TYPE_DM);
+        ENSURE(layout->cnt == cnt);
+        ENSURE(layout->ref == 1);
 out:
         return layout;
 }