begin unit tests for client securechannel edge cases (#1383)

tests/CMakeLists.txt

@@ -184,6 +184,10 @@ add_executable(check_client client/check_client.c $<TARGET_OBJECTS:open62541-obj
 target_link_libraries(check_client ${LIBS})
 add_test_valgrind(check_client ${TESTS_BINARY_DIR}/check_client)
 
+add_executable(check_client_securechannel client/check_client_securechannel.c $<TARGET_OBJECTS:open62541-object> $<TARGET_OBJECTS:open62541-testplugins>)
+target_link_libraries(check_client_securechannel ${LIBS})
+add_test_valgrind(check_client_securechannel ${TESTS_BINARY_DIR}/check_client_securechannel)
+
 add_executable(check_client_async client/check_client_async.c $<TARGET_OBJECTS:open62541-object> $<TARGET_OBJECTS:open62541-testplugins>)
 target_link_libraries(check_client_async ${LIBS})
 add_test_valgrind(check_client_async ${TESTS_BINARY_DIR}/check_client_async)

tests/client/check_client_securechannel.c

@@ -0,0 +1,127 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <pthread.h>
+
+#include "ua_types.h"
+#include "ua_server.h"
+#include "ua_client.h"
+#include "ua_config_default.h"
+#include "ua_client_highlevel.h"
+#include "ua_network_tcp.h"
+#include "testing_clock.h"
+#include "check.h"
+
+UA_Server *server;
+UA_ServerConfig *config;
+UA_Boolean *running;
+UA_ServerNetworkLayer nl;
+pthread_t server_thread;
+
+static void
+addVariable(size_t size) {
+    /* Define the attribute of the myInteger variable node */
+    UA_VariableAttributes attr = UA_VariableAttributes_default;
+    UA_Int32* array = (UA_Int32*)UA_malloc(size * sizeof(UA_Int32));
+    memset(array, 0, size * sizeof(UA_Int32));
+    UA_Variant_setArray(&attr.value, array, size, &UA_TYPES[UA_TYPES_INT32]);
+
+    char name[] = "my.variable";
+    attr.description = UA_LOCALIZEDTEXT("en-US", name);
+    attr.displayName = UA_LOCALIZEDTEXT("en-US", name);
+    attr.dataType = UA_TYPES[UA_TYPES_INT32].typeId;
+
+    /* Add the variable node to the information model */
+    UA_NodeId myIntegerNodeId = UA_NODEID_STRING(1, name);
+    UA_QualifiedName myIntegerName = UA_QUALIFIEDNAME(1, name);
+    UA_NodeId parentNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_OBJECTSFOLDER);
+    UA_NodeId parentReferenceNodeId = UA_NODEID_NUMERIC(0, UA_NS0ID_ORGANIZES);
+    UA_Server_addVariableNode(server, myIntegerNodeId, parentNodeId,
+                              parentReferenceNodeId, myIntegerName,
+                              UA_NODEID_NUMERIC(0, UA_NS0ID_BASEDATAVARIABLETYPE),
+                              attr, NULL, NULL);
+
+    UA_free(array);
+}
+
+static void * serverloop(void *_) {
+    while(*running)
+        UA_Server_run_iterate(server, true);
+    return NULL;
+}
+
+static void setup(void) {
+    running = UA_Boolean_new();
+    *running = true;
+    config = UA_ServerConfig_new_default();
+    server = UA_Server_new(config);
+    UA_Server_run_startup(server);
+    addVariable(16366);
+    pthread_create(&server_thread, NULL, serverloop, NULL);
+}
+
+static void teardown(void) {
+    *running = false;
+    pthread_join(server_thread, NULL);
+    UA_Server_run_shutdown(server);
+    UA_Boolean_delete(running);
+    UA_Server_delete(server);
+    UA_ServerConfig_delete(config);
+}
+
+START_TEST(SecureChannel_timeout_max) {
+    UA_Client *client = UA_Client_new(UA_ClientConfig_default);
+    UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    UA_sleep(UA_ClientConfig_default.secureChannelLifeTime);
+
+    UA_Variant val;
+    UA_NodeId nodeId = UA_NODEID_STRING(1, "my.variable");
+    retval = UA_Client_readValueAttribute(client, nodeId, &val);
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    UA_Variant_deleteMembers(&val);
+
+    UA_Client_disconnect(client);
+    UA_Client_delete(client);
+}
+END_TEST
+
+START_TEST(SecureChannel_timeout_fail) {
+    UA_Client *client = UA_Client_new(UA_ClientConfig_default);
+    UA_StatusCode retval = UA_Client_connect(client, "opc.tcp://localhost:4840");
+    ck_assert_uint_eq(retval, UA_STATUSCODE_GOOD);
+
+    UA_sleep(UA_ClientConfig_default.secureChannelLifeTime+1);
+
+    UA_Variant val;
+    UA_Variant_init(&val);
+    UA_NodeId nodeId = UA_NODEID_STRING(1, "my.variable");
+    retval = UA_Client_readValueAttribute(client, nodeId, &val);
+    ck_assert(retval != UA_STATUSCODE_GOOD);
+
+    UA_Variant_deleteMembers(&val);
+
+    UA_Client_disconnect(client);
+    UA_Client_delete(client);
+}
+END_TEST
+
+int main(void) {
+    TCase *tc_sc = tcase_create("Client SecureChannel");
+    tcase_add_checked_fixture(tc_sc, setup, teardown);
+    tcase_add_test(tc_sc, SecureChannel_timeout_max);
+    tcase_add_test(tc_sc, SecureChannel_timeout_fail);
+
+    Suite *s = suite_create("Client");
+    suite_add_tcase(s, tc_sc);
+
+    SRunner *sr = srunner_create(s);
+    srunner_set_fork_status(sr, CK_NOFORK);
+    srunner_run_all(sr,CK_NORMAL);
+    int number_failed = srunner_ntests_failed(sr);
+    srunner_free(sr);
+    return (number_failed == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
+}