Add tests for user creation/deletion/retrieval

Summary

Tests for caosdb-cpplib!40 (merged)

Focus

Point the reviewer to the core of the code change. Where should they start reading? What should they focus on (e.g. security, performance, maintainability, user-friendliness, compliance with the specs, finding more corner cases, concrete questions)?

Test Environment

How to set up a test environment for manual testing?

Check List for the Author

Please, prepare your MR for a review. Be sure to write a summary and a focus and create gitlab comments for the reviewer. They should guide the reviewer through the changes, explain your changes and also point out open questions. For further good practices have a look at our review guidelines

• All automated tests pass
• Reference related issues
• Up-to-date CHANGELOG.md (or not necessary)
• Annotations in code (Gitlab comments)
  • Intent of new code
  • Problems with old code
  • Why this implementation?

Check List for the Reviewer

• I understand the intent of this MR
• All automated tests pass
• Up-to-date CHANGELOG.md (or not necessary)
• The test environment setup works and the intended behavior is reproducible in the test environment
• In-code documentation and comments are up-to-date.
• Check: Are there specifications? Are they satisfied?

For further good practices have a look at our review guidelines.

test/test_user.cpp

+/*
+ * This file is a part of the CaosDB Project.
+ *
+ * Copyright (C) 2022 Timm Fitschen <t.fitschen@indiscale.com>
+ * Copyright (C) 2022 IndiScale GmbH <info@indiscale.com>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#include "caosdb/acm/user.h"       // for User
+#include "caosdb/connection.h"     // for Connection, VersionInfo, path
+#include "caosdb/exceptions.h"     // for TransactionError
+#include "caosdb_test_utility.h"   // for EXPECT_THROW_MESSAGE
+#include <gtest/gtest-message.h>   // for Message
+#include <gtest/gtest-test-part.h> // for SuiteApiResolver, TestPartR...
+#include <gtest/gtest_pred_impl.h> // for Test, TestInfo, TEST, EXPEC...
+#include <memory>                  // for allocator, unique_ptr, __sh...
+#include <string>                  // for stoi, string
+
+namespace caosdb::connection {
+using caosdb::acm::User;
+
+TEST(test_user, test_create_single_user_failure_invalid_name) {
+  auto connection = ConnectionManager::GetDefaultConnection();
+  User user("CaosDB", "-user1");
+  EXPECT_THROW_STARTS_WITH(
+    connection->CreateSingleUser(user), caosdb::exceptions::Exception,
+    "The attempt to execute this transaction was not successful because an error occured in the "
+    "transport or RPC protocol layer. Original error: 2 - The user name does not comply with the "
+    "current policies for user names:");
+}
+
+TEST(test_user, test_create_single_user_failure_invalid_password) {
+  auto connection = ConnectionManager::GetDefaultConnection();
+  User user("CaosDB", "user1");
+  user.SetPassword("1234");
+  EXPECT_THROW_STARTS_WITH(
+    connection->CreateSingleUser(user), caosdb::exceptions::Exception,
+    "The attempt to execute this transaction was not successful because an error occured in the "
+    "transport or RPC protocol layer. Original error: 2 - The password does not comply with the "
+    "current policies for passwords: ");
+}
+
+TEST(test_user, test_create_single_user_success) {
+  auto connection = ConnectionManager::GetDefaultConnection();
+  User user("CaosDB", "user1");
+  user.SetPassword("Password1!");
+  connection->CreateSingleUser(user);
+  auto re = connection->RetrieveSingleUser("CaosDB", "user1");
+  EXPECT_EQ(re.GetName(), user.GetName());
+  connection->DeleteSingleUser("CaosDB", "user1");
+  EXPECT_THROW_MESSAGE(
+    connection->RetrieveSingleUser("CaosDB", "user1"), caosdb::exceptions::Exception,
+    "The attempt to execute this transaction was not successful because an error occured in the "
+    "transport or RPC protocol layer. Original error: 5 - This account does not exist.");
+}
+
+} // namespace caosdb::connection