Error handling

Tests for caosdb-cpplib!3 (merged)

test/test_transaction.cpp

@@ -18,15 +18,19 @@
  * along with this program. If not, see <https://www.gnu.org/licenses/>.
  *
  */
-#include <gtest/gtest-message.h>   // for Message
-#include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestFactoryImpl
-#include <memory>                  // for allocator, static_pointer_cast
-#include "caosdb/connection.h"     // for CaosDBConnection
-#include "caosdb/entity.h"         // for Entity, EntityID
-#include "caosdb/transaction.h"    // for Transaction, UniqueResult, Entity
-#include "gtest/gtest_pred_impl.h" // for Test, TestInfo, EXPECT_EQ, TEST
+#include "caosdb/connection.h"         // for Connection, ConnectionManager
+#include "caosdb/entity.h"             // for Entity, Messages, Message
+#include "caosdb/message_code.h"       // for ENTITY_DOES_NOT_EXIST, Messag...
+#include "caosdb/status_code.h"        // for SUCCESS, StatusCode
+#include "caosdb/transaction.h"        // for Entity, Transaction, UniqueRe...
+#include "caosdb/transaction_status.h" // for TransactionStatus, StatusCode
+#include "gtest/gtest-message.h"       // for Message
+#include "gtest/gtest-test-part.h"     // for TestPartResult, SuiteApiResolver
+#include "gtest/gtest_pred_impl.h"     // for Test, EXPECT_EQ, AssertionResult
+#include <memory>                      // for unique_ptr, allocator, __shar...
 
 namespace caosdb::transaction {
+using caosdb::entity::MessageCode;
 
 TEST(test_transaction, DISABLED_retrieve_manufacturer_by_id) {
   const auto &connection =
@@ -54,4 +58,30 @@ TEST(test_transaction, DISABLED_retrieve_manufacturer_by_id) {
   EXPECT_EQ(version, entity.GetVersion());
 }
 
+TEST(test_transaction, retrieve_non_existing) {
+  const auto &connection =
+    caosdb::connection::ConnectionManager::GetDefaultConnection();
+
+  auto transaction(connection->CreateTransaction());
+
+  const auto *id = "non-existing-id";
+  transaction->RetrieveById(id);
+  transaction->ExecuteAsynchronously();
+
+  auto status = transaction->WaitForIt();
+  EXPECT_EQ(status.GetCode(), TransactionStatus::TRANSACTION_ERROR().GetCode());
+  ASSERT_EQ(status.GetCode(), StatusCode::GENERIC_TRANSACTION_ERROR);
+
+  const auto &result_set =
+    dynamic_cast<const caosdb::transaction::UniqueResult &>(
+      transaction->GetResultSet());
+
+  const auto &entity = result_set.GetEntity();
+  EXPECT_EQ(id, entity.GetId());
+  EXPECT_TRUE(entity.HasErrors());
+  ASSERT_EQ(entity.GetErrors().Size(), 1);
+  EXPECT_EQ(entity.GetErrors().At(0).GetCode(),
+            MessageCode::ENTITY_DOES_NOT_EXIST);
+}
+
 } // namespace caosdb::transaction