tests: nested groups unit test

Resolves: https://fedorahosted.org/sssd/ticket/2024

Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>

2 files changed, 212 insertions, 0 deletions

diff --git a/Makefile.am b/Makefile.am
index 134c63f03..b90fecec7 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -154,6 +154,7 @@ if HAVE_CMOCKA
         sss_nss_idmap-tests \
         dyndns-tests \
         fqnames-tests \
+        nestedgroups-tests \
         test_sss_idmap \
         test_utils \
         ad_access_filter_tests \
@@ -1412,6 +1413,19 @@ fqnames_tests_LDADD = \
     $(SSSD_INTERNAL_LTLIBS) \
     libsss_test_common.la
 
+nestedgroups_tests_SOURCES = \
+    $(TEST_MOCK_OBJ) \
+    $(TEST_MOCK_PROVIDER_OBJ) \
+    src/tests/cmocka/test_nested_groups.c \
+    src/providers/ldap/sdap_async_nested_groups.c
+nestedgroups_tests_CFLAGS = \
+    $(AM_CFLAGS)
+nestedgroups_tests_LDADD = \
+    $(CMOCKA_LIBS) \
+    $(SSSD_LIBS) \
+    $(SSSD_INTERNAL_LTLIBS) \
+    libsss_test_common.la
+
 test_sss_idmap_SOURCES = \
     src/tests/cmocka/test_sss_idmap.c
 test_sss_idmap_CFLAGS = \
diff --git a/src/tests/cmocka/test_nested_groups.c b/src/tests/cmocka/test_nested_groups.c
new file mode 100644
index 000000000..144eada1e
--- /dev/null
+++ b/src/tests/cmocka/test_nested_groups.c
@@ -0,0 +1,198 @@
+/*
+    Authors:
+        Pavel Březina <pbrezina@redhat.com>
+
+    Copyright (C) 2013 Red Hat
+
+    This program 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.
+
+    This program 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 <talloc.h>
+#include <tevent.h>
+#include <errno.h>
+#include <popt.h>
+
+#include "tests/cmocka/common_mock.h"
+#include "tests/cmocka/common_mock_sdap.h"
+#include "tests/cmocka/common_mock_sysdb_objects.h"
+#include "providers/ldap/sdap.h"
+#include "providers/ldap/sdap_async_private.h"
+
+#define TESTS_PATH "tests_ldap_nested_groups"
+#define TEST_CONF_DB "test_ldap_nested_groups_conf.ldb"
+#define TEST_SYSDB_FILE "cache_ldap_nested_groups_test.ldb"
+#define TEST_DOM_NAME "ldap_nested_groups_test"
+#define TEST_ID_PROVIDER "ldap"
+
+#define new_test(test) \
+    unit_test_setup_teardown(nested_groups_test_ ## test, \
+                             nested_groups_test_setup, \
+                             nested_groups_test_teardown)
+
+/* put users and groups under the same container so we can easily run the
+ * same tests cases for several search base scenarios */
+#define OBJECT_BASE_DN "cn=objects,dc=test,dc=com"
+#define GROUP_BASE_DN "cn=groups" OBJECT_BASE_DN
+#define USER_BASE_DN "cn=users" OBJECT_BASE_DN
+
+struct nested_groups_test_ctx {
+    struct sss_test_ctx *tctx;
+
+    struct sdap_options *sdap_opts;
+    struct sdap_handle *sdap_handle;
+    struct sdap_domain *sdap_domain;
+
+    struct sysdb_attrs **users;
+    struct sysdb_attrs **groups;
+    unsigned long num_users;
+    unsigned long num_groups;
+};
+
+static void nested_groups_test_done(struct tevent_req *req)
+{
+    struct nested_groups_test_ctx *ctx = NULL;
+
+    ctx = tevent_req_callback_data(req, struct nested_groups_test_ctx);
+
+    ctx->tctx->error = sdap_nested_group_recv(ctx, req,
+                                              &ctx->num_users, &ctx->users,
+                                              &ctx->num_groups, &ctx->groups);
+    talloc_zfree(req);
+
+    ctx->tctx->done = true;
+}
+
+static void nested_groups_test_one_group_no_members(void **state)
+{
+    struct nested_groups_test_ctx *test_ctx = NULL;
+    struct sysdb_attrs *rootgroup = NULL;
+    struct tevent_req *req = NULL;
+    TALLOC_CTX *req_mem_ctx = NULL;
+    errno_t ret;
+
+    test_ctx = talloc_get_type_abort(*state, struct nested_groups_test_ctx);
+
+    rootgroup = mock_sysdb_group_rfc2307bis(test_ctx, GROUP_BASE_DN, 1000,
+                                            "rootgroup", NULL);
+
+    /* mock return values */
+    sss_will_return_always(sdap_has_deref_support, false);
+
+    /* run test, check for memory leaks */
+    req_mem_ctx = talloc_new(global_talloc_context);
+    assert_non_null(req_mem_ctx);
+    check_leaks_push(req_mem_ctx);
+
+    req = sdap_nested_group_send(req_mem_ctx, test_ctx->tctx->ev,
+                                 test_ctx->sdap_domain, test_ctx->sdap_opts,
+                                 test_ctx->sdap_handle, rootgroup);
+    assert_non_null(req);
+    tevent_req_set_callback(req, nested_groups_test_done, test_ctx);
+
+    ret = test_ev_loop(test_ctx->tctx);
+    assert_true(check_leaks_pop(req_mem_ctx) == true);
+    talloc_zfree(req_mem_ctx);
+    /* check return code */
+    assert_int_equal(ret, ERR_OK);
+
+    /* check generated values */
+    assert_int_equal(test_ctx->num_users, 0);
+    assert_null(test_ctx->users);
+
+    assert_int_equal(test_ctx->num_groups, 1);
+    assert_non_null(test_ctx->groups);
+    assert_true(rootgroup == test_ctx->groups[0]);
+}
+
+void nested_groups_test_setup(void **state)
+{
+    struct nested_groups_test_ctx *test_ctx = NULL;
+    static struct sss_test_conf_param params[] = {
+        { "ldap_schema", "rfc2307bis" }, /* enable nested groups */
+        { NULL, NULL }
+    };
+
+    test_ctx = talloc_zero(NULL, struct nested_groups_test_ctx);
+    assert_non_null(test_ctx);
+    *state = test_ctx;
+
+    /* initialize domain */
+    test_ctx->tctx = create_dom_test_ctx(test_ctx, TESTS_PATH, TEST_CONF_DB,
+                                         TEST_SYSDB_FILE, TEST_DOM_NAME,
+                                         TEST_ID_PROVIDER, params);
+    assert_non_null(test_ctx->tctx);
+
+    /* mock SDAP */
+    test_ctx->sdap_opts = mock_sdap_options_ldap(test_ctx,
+                                                 test_ctx->tctx->dom,
+                                                 test_ctx->tctx->confdb,
+                                                 test_ctx->tctx->confdb_path);
+    assert_non_null(test_ctx->sdap_opts);
+    test_ctx->sdap_domain = test_ctx->sdap_opts->sdom;
+    test_ctx->sdap_handle = mock_sdap_handle(test_ctx);
+    assert_non_null(test_ctx->sdap_handle);
+}
+
+void nested_groups_test_teardown(void **state)
+{
+    talloc_zfree(*state);
+}
+
+int main(int argc, const char *argv[])
+{
+    int rv;
+    int no_cleanup = 0;
+    poptContext pc;
+    int opt;
+    struct poptOption long_options[] = {
+        POPT_AUTOHELP
+        SSSD_DEBUG_OPTS
+        {"no-cleanup", 'n', POPT_ARG_NONE, &no_cleanup, 0,
+         _("Do not delete the test database after a test run"), NULL },
+        POPT_TABLEEND
+    };
+
+    const UnitTest tests[] = {
+        new_test(one_group_no_members)
+    };
+
+    /* Set debug level to invalid value so we can deside if -d 0 was used. */
+    debug_level = SSSDBG_INVALID;
+
+    pc = poptGetContext(argv[0], argc, argv, long_options, 0);
+    while((opt = poptGetNextOpt(pc)) != -1) {
+        switch(opt) {
+       default:
+            fprintf(stderr, "\nInvalid option %s: %s\n\n",
+                    poptBadOption(pc, 0), poptStrerror(opt));
+            poptPrintUsage(pc, stderr, 0);
+            return 1;
+        }
+    }
+    poptFreeContext(pc);
+
+    DEBUG_INIT(debug_level);
+
+    /* Even though normally the tests should clean up after themselves
+     * they might not after a failed run. Remove the old db to be sure */
+    tests_set_cwd();
+    test_dom_suite_cleanup(TESTS_PATH, TEST_CONF_DB, TEST_SYSDB_FILE);
+    test_dom_suite_setup(TESTS_PATH);
+
+    rv = run_tests(tests);
+    if (rv == 0 && !no_cleanup) {
+        test_dom_suite_cleanup(TESTS_PATH, TEST_CONF_DB, TEST_SYSDB_FILE);
+    }
+    return rv;
+}