DP TESTS: Add unit tests for dp_request.c

Reviewed-by: Sumit Bose <sbose@redhat.com>
Reviewed-by: Jakub Hrozek <jhrozek@redhat.com>
Reviewed-by: Lukáš Slebodník <lslebodn@redhat.com>

1 files changed, 469 insertions, 0 deletions

diff --git a/src/tests/cmocka/data_provider/test_dp_request.c b/src/tests/cmocka/data_provider/test_dp_request.c
new file mode 100644
index 000000000..ebe51883e
--- /dev/null
+++ b/src/tests/cmocka/data_provider/test_dp_request.c
@@ -0,0 +1,469 @@
+/*
+    Copyright (C) 2015 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 "providers/backend.h"
+#include "providers/data_provider/dp_private.h"
+#include "providers/data_provider/dp.h"
+#include "tests/cmocka/common_mock.h"
+#include "tests/common.h"
+#include "tests/cmocka/common_mock_be.h"
+#include "tests/cmocka/data_provider/mock_dp.h"
+
+#define TESTS_PATH "tp_" BASE_FILE_STEM
+#define TEST_CONF_DB "test_dp_request.ldb"
+#define TEST_DOM_NAME "dp_request_test"
+#define TEST_ID_PROVIDER "ldap"
+
+struct test_ctx {
+    struct sss_test_ctx *tctx;
+    struct be_ctx *be_ctx;
+    struct data_provider *provider;
+    struct dp_method *dp_methods;
+};
+
+static int test_setup(void **state)
+{
+    struct test_ctx *test_ctx;
+
+    assert_true(leak_check_setup());
+
+    test_ctx = talloc_zero(global_talloc_context, struct test_ctx);
+    assert_non_null(test_ctx);
+
+    test_ctx->tctx = create_dom_test_ctx(test_ctx, TESTS_PATH, TEST_CONF_DB,
+                                         TEST_DOM_NAME, TEST_ID_PROVIDER, NULL);
+    assert_non_null(test_ctx->tctx);
+
+    test_ctx->be_ctx = mock_be_ctx(test_ctx, test_ctx->tctx);
+    test_ctx->provider = mock_dp(test_ctx, test_ctx->be_ctx);
+    test_ctx->dp_methods = mock_dp_get_methods(test_ctx->provider, DPT_ID);
+
+    check_leaks_push(test_ctx);
+
+    *state = test_ctx;
+
+    return 0;
+}
+
+static int test_teardown(void **state)
+{
+    struct test_ctx *test_ctx;
+
+    test_ctx = talloc_get_type_abort(*state, struct test_ctx);
+    assert_true(check_leaks_pop(test_ctx));
+    talloc_zfree(test_ctx);
+
+    assert_true(leak_check_teardown());
+    return 0;
+}
+
+static bool is_be_offline_opt = false;
+
+bool __wrap_be_is_offline(struct be_ctx *ctx)
+{
+    return is_be_offline_opt;
+}
+
+#define UID       100001
+#define UID2      100002
+#define UID_FAIL  100003
+#define NAME      "test_user"
+#define NAME2     "test_user2"
+#define REQ_NAME  "getpwuid"
+
+struct method_data
+{
+    int foo;
+};
+
+struct req_data
+{
+    uid_t uid;
+};
+
+struct test_state
+{
+    uid_t uid;
+    const char *name;
+};
+
+static void get_name_by_uid_done(struct tevent_context *ev,
+                                 struct tevent_timer *tt,
+                                 struct timeval tv,
+                                 void *pvt);
+
+static struct tevent_req *
+get_name_by_uid_send(TALLOC_CTX *mem_ctx,
+                     struct method_data *md,
+                     struct req_data *req_data,
+                     struct dp_req_params *params)
+{
+    struct tevent_req *req;
+    struct test_state *state;
+    struct tevent_timer *tt;
+    struct timeval tv;
+
+    req = tevent_req_create(mem_ctx, &state, struct test_state);
+    if (req == NULL) {
+        DEBUG(SSSDBG_CRIT_FAILURE, "tevent_req_create failed.\n");
+        return NULL;
+    }
+
+    /* Init state of lookup */
+    state->uid = req_data->uid;
+
+    /* Mock lookup */
+    tv = tevent_timeval_current_ofs(1, 0);
+    tt = tevent_add_timer(params->ev, req, tv, get_name_by_uid_done, req);
+    if (tt == NULL) {
+        return NULL;
+    }
+
+    return req;
+}
+
+static void get_name_by_uid_done(struct tevent_context *ev,
+                                 struct tevent_timer *tt,
+                                 struct timeval tv,
+                                 void *pvt)
+{
+    struct tevent_req *req;
+    struct test_state *state;
+
+    req = talloc_get_type(pvt, struct tevent_req);
+    state = tevent_req_data(req, struct test_state);
+
+    /* Result */
+    if (state->uid == UID) {
+        state->name = NAME;
+    } else if (state->uid == UID2) {
+        state->name = NAME2;
+    } else {
+        state->name = NULL;
+    }
+    tevent_req_done(req);
+}
+
+struct recv_data
+{
+    const char *name;
+};
+
+static errno_t
+get_name_by_uid_recv(TALLOC_CTX *mem_ctx,
+                     struct tevent_req *req,
+                     struct recv_data *recv_data)
+{
+    struct test_state *state;
+
+    state = tevent_req_data(req, struct test_state);
+
+    if (state->name == NULL) {
+        return ENOENT;
+    } else {
+        recv_data->name = talloc_strdup(recv_data, state->name);
+    }
+    return EOK;
+}
+
+static void test_get_name_by_uid(void **state)
+{
+    errno_t ret;
+    struct test_ctx *test_ctx;
+    const char *req_name;
+    struct tevent_req *req;
+    struct tevent_req *req2;
+    struct tevent_req *req3;
+    struct method_data *md;
+    struct req_data *req_data;
+    struct req_data *req_data2;
+    struct req_data *req_data3;
+    struct recv_data *recv_data;
+
+    test_ctx = talloc_get_type(*state, struct test_ctx);
+
+    md = talloc(test_ctx, struct method_data);
+
+    dp_set_method(test_ctx->dp_methods,
+                  DPM_ACCOUNT_HANDLER,
+                  get_name_by_uid_send, get_name_by_uid_recv,
+                  md,
+                  struct method_data, struct req_data, struct recv_data);
+
+    /* Prepare request data #1 */
+    req_data = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data);
+    req_data->uid = UID; /* We are looking for user by UID */
+
+    /* Prepare request data #2 */
+    req_data2 = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data2);
+    req_data2->uid = UID_FAIL; /* We are looking for user by UID */
+
+    /* Prepare request data #3 */
+    req_data3 = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data3);
+    req_data3->uid = UID2; /* We are looking for user by UID */
+
+    /* Send request #1 */
+    req = dp_req_send(test_ctx, test_ctx->provider, NULL, NULL, REQ_NAME,
+                      DPT_ID, DPM_ACCOUNT_HANDLER, 0, req_data, &req_name);
+    assert_non_null(req);
+    assert_string_equal(req_name, REQ_NAME" #0");
+    talloc_zfree(req_name);
+
+    /* Send request #2 */
+    req2 = dp_req_send(test_ctx, test_ctx->provider, NULL, NULL, REQ_NAME,
+                       DPT_ID, DPM_ACCOUNT_HANDLER, 0, req_data2, &req_name);
+    assert_non_null(req2);
+    assert_string_equal(req_name, REQ_NAME" #1");
+    talloc_zfree(req_name);
+
+    /* Send request #3 */
+    req3 = dp_req_send(test_ctx, test_ctx->provider, NULL, NULL, REQ_NAME,
+                       DPT_ID, DPM_ACCOUNT_HANDLER, 0, req_data3, &req_name);
+    assert_non_null(req3);
+    assert_string_equal(req_name, REQ_NAME" #2");
+    talloc_zfree(req_name);
+
+    tevent_loop_wait(test_ctx->tctx->ev);
+
+    /* Receive lookup results */
+    ret = dp_req_recv_ptr(test_ctx, req, struct recv_data, &recv_data);
+    assert_int_equal(ret, EOK);
+    assert_string_equal(recv_data->name, NAME);
+    talloc_free(recv_data);
+
+    ret = dp_req_recv_ptr(test_ctx, req2, struct recv_data, &recv_data);
+    assert_int_equal(ret, ENOENT);
+
+    ret = dp_req_recv_ptr(test_ctx, req3, struct recv_data, &recv_data);
+    assert_int_equal(ret, EOK);
+    assert_string_equal(recv_data->name, NAME2);
+    talloc_free(recv_data);
+
+    talloc_free(req_data);
+    talloc_free(req_data2);
+    talloc_free(req_data3);
+    talloc_free(req);
+    talloc_free(req2);
+    talloc_free(req3);
+    talloc_free(md);
+}
+
+static void test_type_mismatch(void **state)
+{
+    errno_t ret;
+    struct test_ctx *test_ctx;
+    const char *req_name;
+    struct tevent_req *req;
+    struct method_data *md;
+    struct req_data *req_data;
+    struct recv_data *recv_data;
+
+    test_ctx = talloc_get_type(*state, struct test_ctx);
+
+    md = talloc(test_ctx, struct method_data);
+    assert_non_null(md);
+
+    dp_set_method(test_ctx->dp_methods,
+                  DPM_ACCOUNT_HANDLER,
+                  get_name_by_uid_send, get_name_by_uid_recv,
+                  md,
+                  struct method_data, struct req_data, struct recv_data);
+
+    /* Prepare request data #1 */
+    req_data = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data);
+    req_data->uid = UID; /* We are looking for user by UID */
+
+    /* Send request #1 */
+    req = dp_req_send(test_ctx, test_ctx->provider, NULL, NULL, REQ_NAME,
+                      DPT_ID, DPM_ACCOUNT_HANDLER, 0, req_data, &req_name);
+    assert_non_null(req);
+    assert_string_equal(req_name, REQ_NAME" #0");
+    talloc_zfree(req_name);
+
+    tevent_loop_wait(test_ctx->tctx->ev);
+
+    /* Receive lookup results */
+    ret = dp_req_recv_ptr(test_ctx, req,
+                      struct req_data, /* Wrong data type. */
+                      &recv_data);
+    assert_int_equal(ret, ERR_INVALID_DATA_TYPE);
+
+    talloc_free(req_data);
+    talloc_free(req);
+    talloc_free(md);
+}
+
+static void test_nonexist_dom(void **state)
+{
+    errno_t ret;
+    struct test_ctx *test_ctx;
+    struct tevent_req *req;
+    struct method_data *md;
+    struct req_data *req_data;
+    struct recv_data *recv_data;
+
+    test_ctx = talloc_get_type(*state, struct test_ctx);
+
+    md = talloc(test_ctx, struct method_data);
+
+    dp_set_method(test_ctx->dp_methods,
+                  DPM_ACCOUNT_HANDLER,
+                  get_name_by_uid_send, get_name_by_uid_recv,
+                  md,
+                  struct method_data, struct req_data, struct recv_data);
+
+    /* Prepare request data #1 */
+    req_data = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data);
+    req_data->uid = UID; /* We are looking for user by UID */
+
+    /* Send request #1 */
+    req = dp_req_send(test_ctx, test_ctx->provider, NULL,
+                      "non-existing domain name",
+                      REQ_NAME,
+                      DPT_ID, DPM_ACCOUNT_HANDLER,
+                      0,
+                      req_data, NULL);
+
+    assert_non_null(req);
+
+    tevent_loop_wait(test_ctx->tctx->ev);
+
+    /* Receive lookup results */
+    ret = dp_req_recv_ptr(test_ctx, req, struct recv_data, &recv_data);
+    assert_int_equal(ret, ERR_DOMAIN_NOT_FOUND);
+
+    talloc_free(req_data);
+    talloc_free(req);
+    talloc_free(md);
+}
+
+static void test_fast_reply(void **state)
+{
+    errno_t ret;
+    struct test_ctx *test_ctx;
+    struct tevent_req *req;
+    struct method_data *md;
+    struct req_data *req_data;
+    struct recv_data *recv_data;
+    bool backup;
+
+    test_ctx = talloc_get_type(*state, struct test_ctx);
+
+    md = talloc(test_ctx, struct method_data);
+
+    dp_set_method(test_ctx->dp_methods,
+                  DPM_ACCOUNT_HANDLER,
+                  get_name_by_uid_send, get_name_by_uid_recv,
+                  md,
+                  struct method_data, struct req_data, struct recv_data);
+
+    /* Prepare request data #1 */
+    req_data = talloc_zero(test_ctx, struct req_data);
+    assert_non_null(req_data);
+    req_data->uid = UID; /* We are looking for user by UID */
+
+    backup = is_be_offline_opt;
+    is_be_offline_opt = true;
+
+    /* Send request #1 */
+    req = dp_req_send(test_ctx, test_ctx->provider, NULL, NULL, REQ_NAME,
+                      DPT_ID, DPM_ACCOUNT_HANDLER,
+                      DP_FAST_REPLY, /* FAST REPLY, don't check online! */
+                      req_data, NULL);
+    /* Restore */
+    is_be_offline_opt = backup;
+
+    assert_non_null(req);
+
+    tevent_loop_wait(test_ctx->tctx->ev);
+
+    /* Receive lookup results */
+    ret = dp_req_recv_ptr(test_ctx, req, struct recv_data, &recv_data);
+    assert_int_equal(ret, ERR_OFFLINE);
+    talloc_free(req);
+    talloc_free(md);
+}
+
+int main(int argc, const char *argv[])
+{
+    poptContext pc;
+    int opt;
+    int rv;
+    int no_cleanup = 0;
+    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 struct CMUnitTest tests[] = {
+        cmocka_unit_test_setup_teardown(test_get_name_by_uid,
+                                        test_setup,
+                                        test_teardown),
+        cmocka_unit_test_setup_teardown(test_fast_reply,
+                                        test_setup,
+                                        test_teardown),
+        cmocka_unit_test_setup_teardown(test_type_mismatch,
+                                        test_setup,
+                                        test_teardown),
+        cmocka_unit_test_setup_teardown(test_nonexist_dom,
+                                        test_setup,
+                                        test_teardown),
+    };
+
+    /* 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_CLI_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_DOM_NAME);
+    test_dom_suite_setup(TESTS_PATH);
+
+    rv = cmocka_run_group_tests(tests, NULL, NULL);
+    if (rv == 0 && !no_cleanup) {
+        test_dom_suite_cleanup(TESTS_PATH, TEST_CONF_DB, TEST_DOM_NAME);
+    }
+
+    return rv;
+}