2 files changed, 200 insertions, 0 deletions
diff --git a/xlators/cluster/dht/src/unittest/dht_layout_mock.c b/xlators/cluster/dht/src/unittest/dht_layout_mock.c
new file mode 100644
index 00000000000..771452963d1
--- /dev/null
+++ b/xlators/cluster/dht/src/unittest/dht_layout_mock.c
@@ -0,0 +1,73 @@
+/*
+  Copyright (c) 2014 Red Hat, Inc. <http://www.redhat.com>
+  This file is part of GlusterFS.
+
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
+*/
+#include <glusterfs/glusterfs.h>
+#include <glusterfs/xlator.h>
+#include "dht-common.h"
+#include <glusterfs/byte-order.h>
+
+int
+dht_hash_compute(xlator_t *this, int type, const char *name, uint32_t *hash_p)
+{
+    return 0;
+}
+
+int
+dht_inode_ctx_layout_get(inode_t *inode, xlator_t *this, dht_layout_t **layout)
+{
+    return 0;
+}
+
+int
+dht_inode_ctx_layout_set(inode_t *inode, xlator_t *this,
+                         dht_layout_t *layout_int)
+{
+    return 0;
+}
+
+int
+dict_get_ptr(dict_t *this, char *key, void **ptr)
+{
+    return 0;
+}
+
+int
+dict_get_ptr_and_len(dict_t *this, char *key, void **ptr, int *len)
+{
+    return 0;
+}
+
+int
+_gf_log(const char *domain, const char *file, const char *function,
+        int32_t line, gf_loglevel_t level, const char *fmt, ...)
+{
+    return 0;
+}
+
+int
+_gf_log_callingfn(const char *domain, const char *file, const char *function,
+                  int32_t line, gf_loglevel_t level, const char *fmt, ...)
+{
+    return 0;
+}
+
+void
+gf_uuid_unparse(const uuid_t uu, char *out)
+{
+    // could call a will-return function here
+    // to place the correct data in *out
+}
+
+int
+_gf_msg(const char *domain, const char *file, const char *function,
+        int32_t line, gf_loglevel_t level, int errnum, int trace,
+        uint64_t msgid, const char *fmt, ...)
+{
+    return 0;
+}
diff --git a/xlators/cluster/dht/src/unittest/dht_layout_unittest.c b/xlators/cluster/dht/src/unittest/dht_layout_unittest.c
new file mode 100644
index 00000000000..c94a1d0a2e1
--- /dev/null
+++ b/xlators/cluster/dht/src/unittest/dht_layout_unittest.c
@@ -0,0 +1,127 @@
+/*
+  Copyright (c) 2008-2014 Red Hat, Inc. <http://www.redhat.com>
+  This file is part of GlusterFS.
+
+  This file is licensed to you under your choice of the GNU Lesser
+  General Public License, version 3 or any later version (LGPLv3 or
+  later), or the GNU General Public License, version 2 (GPLv2), in all
+  cases as published by the Free Software Foundation.
+*/
+
+#include "dht-common.h"
+#include <glusterfs/logging.h>
+#include <glusterfs/xlator.h>
+
+#include <inttypes.h>
+#include <stdarg.h>
+#include <stddef.h>
+#include <setjmp.h>
+#include <cmocka_pbc.h>
+#include <cmocka.h>
+
+/*
+ * Helper functions
+ */
+
+static xlator_t *
+helper_xlator_init(uint32_t num_types)
+{
+    xlator_t *xl;
+    int i, ret;
+
+    REQUIRE(num_types > 0);
+
+    xl = test_calloc(1, sizeof(xlator_t));
+    assert_non_null(xl);
+    xl->mem_acct->num_types = num_types;
+    xl->mem_acct = test_calloc(sizeof(struct mem_acct) +
+                               sizeof(struct mem_acct_rec) + num_types);
+    assert_non_null(xl->mem_acct);
+
+    xl->ctx = test_calloc(1, sizeof(glusterfs_ctx_t));
+    assert_non_null(xl->ctx);
+
+    for (i = 0; i < num_types; i++) {
+        ret = LOCK_INIT(&(xl->mem_acct.rec[i].lock));
+        assert_false(ret);
+    }
+
+    ENSURE(num_types == xl->mem_acct.num_types);
+    ENSURE(NULL != xl);
+
+    return xl;
+}
+
+static int
+helper_xlator_destroy(xlator_t *xl)
+{
+    int i, ret;
+
+    for (i = 0; i < xl->mem_acct.num_types; i++) {
+        ret = LOCK_DESTROY(&(xl->mem_acct.rec[i].lock));
+        assert_int_equal(ret, 0);
+    }
+
+    free(xl->mem_acct.rec);
+    free(xl->ctx);
+    free(xl);
+    return 0;
+}
+
+/*
+ * Unit tests
+ */
+static void
+test_dht_layout_new(void **state)
+{
+    xlator_t *xl;
+    dht_layout_t *layout;
+    dht_conf_t *conf;
+    int cnt;
+
+    expect_assert_failure(dht_layout_new(NULL, 0));
+    expect_assert_failure(dht_layout_new((xlator_t *)0x12345, -1));
+    xl = helper_xlator_init(10);
+
+    // xl->private is NULL
+    assert_null(xl->private);
+    cnt = 100;
+    layout = dht_layout_new(xl, cnt);
+    assert_non_null(layout);
+    assert_int_equal(layout->type, DHT_HASH_TYPE_DM);
+    assert_int_equal(layout->cnt, cnt);
+    assert_int_equal(GF_ATOMIC_GET(layout->ref), 1);
+    assert_int_equal(layout->gen, 0);
+    assert_int_equal(layout->spread_cnt, 0);
+    free(layout);
+
+    // xl->private is not NULL
+    cnt = 110;
+    conf = (dht_conf_t *)test_calloc(1, sizeof(dht_conf_t));
+    assert_non_null(conf);
+    conf->dir_spread_cnt = 12345;
+    conf->gen = -123;
+    xl->private = conf;
+
+    layout = dht_layout_new(xl, cnt);
+    assert_non_null(layout);
+    assert_int_equal(layout->type, DHT_HASH_TYPE_DM);
+    assert_int_equal(layout->cnt, cnt);
+    assert_int_equal(GF_ATOMIC_GET(layout->ref), 1);
+    assert_int_equal(layout->gen, conf->gen);
+    assert_int_equal(layout->spread_cnt, conf->dir_spread_cnt);
+    free(layout);
+
+    free(conf);
+    helper_xlator_destroy(xl);
+}
+
+int
+main(void)
+{
+    const struct CMUnitTest xlator_dht_layout_tests[] = {
+        unit_test(test_dht_layout_new),
+    };
+
+    return cmocka_run_group_tests(xlator_dht_layout_tests, NULL, NULL);
+}