Merge branch 'f-minimum' into 'dev'

Initial functionality

See merge request !1

test/test_unittest.m

+% This file is a part of the CaosDB Project.
+%
+% Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
+% Copyright (C) 2021 Daniel Hornung <d.hornung@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/>.
+
+function test_suite=test_unittest()
+  try % assignment of 'localfunctions' is necessary in Matlab >= 2016
+    test_functions=localfunctions();
+  catch % no problem; early Matlab versions can use initTestSuite fine
+  end
+  initTestSuite;
+end
+
+% Only tests which don't need a connection to a server.
+function test_local()
+  % default connection
+  c1 = Caosdb();
+  assertEqual(c1.connection, "")
+  % class with explicit connection
+  c2 = Caosdb("local-caosdb-admin");
+  assertEqual(c2.connection, "local-caosdb-admin");
+
+  % TODO(daniel) Re-write s.th. version >= 0.0.6 (or whatever minimal
+  % version will be valid then) is checked.
+
+  % Only get the local versions.
+  % version = caosdb_exec("--version");
+  % assertEqual(version, "v0.1 (libcaosdb v0.0.7)");
+end

test/test_utilities.cpp

+/*
+ * This file is a part of the CaosDB Project.
+ *
+ * Copyright (C) 2021 IndiScale GmbH <info@indiscale.com>
+ * Copyright (C) 2021 Daniel Hornung <d.hornung@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/exceptions.h"
+#include "maoxdb.hpp"
+#include "mex.h"
+// #include "mexproto.h"
+#include <gtest/gtest.h>
+#include <limits>
+#include <string>
+#include <vector>
+
+namespace maoxdb {
+
+///////////////////////////////////////////////////////////////////////////////
+//                              Helper functions                             //
+///////////////////////////////////////////////////////////////////////////////
+
+/*
+ * These functions test if the value can be converted to a mex scalar.
+ */
+void test_scalar_uint64(UINT64_T value) {
+  mxArray *scalar = mxScalarUINT64(value);
+  EXPECT_TRUE(mxIsUint64(scalar));
+  EXPECT_EQ(mxGetNumberOfElements(scalar), 1);
+  EXPECT_EQ(*((UINT64_T *) mxGetData(scalar)), value);
+}
+
+void test_scalar_int64(INT64_T value) {
+  mxArray *scalar = mxScalarINT64(value);
+  EXPECT_TRUE(mxIsInt64(scalar));
+  EXPECT_EQ(mxGetNumberOfElements(scalar), 1);
+  EXPECT_EQ(*((INT64_T *) mxGetData(scalar)), value);
+}
+
+void test_scalar_double(double value) {
+  mxArray *scalar = mxScalarDOUBLE(value);
+  EXPECT_TRUE(mxIsDouble(scalar));
+  EXPECT_EQ(mxGetNumberOfElements(scalar), 1);
+  EXPECT_EQ(*((double *) mxGetData(scalar)), value);
+}
+
+void test_scalar_logical(bool value) {
+  mxArray *scalar = mxScalarLOGICAL(value);
+  EXPECT_TRUE(mxIsLogical(scalar));
+  EXPECT_EQ(mxGetNumberOfElements(scalar), 1);
+  EXPECT_EQ(*((bool *) mxGetData(scalar)), value);
+}
+
+/**
+ * Generate a vector with useful values for testing.
+ */
+template<typename T>
+auto values() -> std::vector<T> {
+  std::vector<T> values =
+    {0, 1,
+     std::numeric_limits<T>::max(),
+     std::numeric_limits<T>::min(),
+     std::numeric_limits<T>::lowest(),
+     std::numeric_limits<T>::epsilon() // 0 for integers, but who cares?
+    };
+  return values;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+//                                Actual tests                               //
+///////////////////////////////////////////////////////////////////////////////
+
+/**
+ * Test if construction of scalar mex arrays works
+ */
+TEST(test_utilities, scalar_arrays) {
+  auto values_uint64 = values<UINT64_T>();
+  for (auto value : values_uint64) {
+    test_scalar_uint64(value);
+  }
+
+  auto values_int64 = values<INT64_T>();
+  for (auto value : values_int64) {
+    test_scalar_int64(value);
+  }
+
+  auto values_double = values<double>();
+  for (auto value : values_double) {
+    test_scalar_double(value);
+  }
+
+  std::vector<bool> values_logical = {true, false};
+  for (auto value : values_logical) {
+    test_scalar_logical(value);
+  }
+}
+
+/**
+ * Test exception handling
+ */
+
+TEST(test_utilities, exception_handling) {
+  caosdb::exceptions::AuthenticationError exc("Authentication failed.");
+  auto strings = exceptionToMessage(exc);
+  EXPECT_EQ(strings.first, std::string("16"));
+  EXPECT_EQ(strings.second,
+            std::string("The attempt to execute this transaction has not been "
+                        "executed at all because the authentication did not "
+                        "succeed.\nAuthentication failed."));
+}
+
+}  // maoxdb