1 files changed, 115 insertions, 0 deletions
diff --git a/tests/common/Config.cpp b/tests/common/Config.cpp
new file mode 100644
index 00000000000..fb657c358fd
--- /dev/null
+++ b/tests/common/Config.cpp
@@ -0,0 +1,115 @@
+/*
+ * This file is part of the TrinityCore Project. See AUTHORS file for Copyright information
+ *
+ * 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 2 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/>.
+ */
+
+#define CATCH_CONFIG_ENABLE_CHRONO_STRINGMAKER
+#include "tc_catch2.h"
+
+#include "Config.h"
+#include <boost/filesystem.hpp>
+#include <cstdlib>
+#include <string>
+
+std::string CreateConfigWithMap(std::map<std::string, std::string> const& map)
+{
+    auto mTempFileRel = boost::filesystem::unique_path("deleteme.ini");
+    auto mTempFileAbs = boost::filesystem::temp_directory_path() / mTempFileRel;
+    std::ofstream iniStream;
+    iniStream.open(mTempFileAbs.c_str());
+
+    iniStream << "[test]\n";
+    for (auto const& itr : map)
+        iniStream << itr.first << " = " << itr.second << "\n";
+
+    iniStream.close();
+
+    return mTempFileAbs.native();
+}
+
+TEST_CASE("Envariable variables", "[Config]")
+{
+    std::map<std::string, std::string> config;
+    config["Int.Nested"] = "4242";
+    config["lower"] = "simpleString";
+    config["UPPER"] = "simpleString";
+    config["SomeLong.NestedNameWithNumber.Like1"] = "1";
+
+    auto filePath = CreateConfigWithMap(config);
+
+    std::string err;
+    REQUIRE(sConfigMgr->LoadInitial(filePath, std::vector<std::string>(), err));
+    REQUIRE(err.empty());
+
+    SECTION("Nested int")
+    {
+        REQUIRE(sConfigMgr->GetIntDefault("Int.Nested", 10) == 4242);
+
+        setenv("TC_INT_NESTED", "8080", 1);
+        REQUIRE(!sConfigMgr->OverrideWithEnvVariablesIfAny().empty());
+        REQUIRE(sConfigMgr->GetIntDefault("Int.Nested", 10) == 8080);
+    }
+
+    SECTION("Simple lower string")
+    {
+        REQUIRE(sConfigMgr->GetStringDefault("lower", "") == "simpleString");
+
+        setenv("TC_LOWER", "envstring", 1);
+        REQUIRE(!sConfigMgr->OverrideWithEnvVariablesIfAny().empty());
+        REQUIRE(sConfigMgr->GetStringDefault("lower", "") == "envstring");
+    }
+
+    SECTION("Simple upper string")
+    {
+        REQUIRE(sConfigMgr->GetStringDefault("UPPER", "") == "simpleString");
+
+        setenv("TC_UPPER", "envupperstring", 1);
+        REQUIRE(!sConfigMgr->OverrideWithEnvVariablesIfAny().empty());
+        REQUIRE(sConfigMgr->GetStringDefault("UPPER", "") == "envupperstring");
+    }
+
+    SECTION("Long nested name with number")
+    {
+        REQUIRE(sConfigMgr->GetFloatDefault("SomeLong.NestedNameWithNumber.Like1", 0) == 1);
+
+        setenv("TC_SOME_LONG_NESTED_NAME_WITH_NUMBER_LIKE_1", "42", 1);
+        REQUIRE(!sConfigMgr->OverrideWithEnvVariablesIfAny().empty());
+        REQUIRE(sConfigMgr->GetFloatDefault("SomeLong.NestedNameWithNumber.Like1", 0) == 42);
+    }
+
+    SECTION("String that not exist in config")
+    {
+        setenv("TC_UNIQUE_STRING", "somevalue", 1);
+        REQUIRE(sConfigMgr->GetStringDefault("Unique.String", "") == "somevalue");
+    }
+
+    SECTION("Int that not exist in config")
+    {
+        setenv("TC_UNIQUE_INT", "100", 1);
+        REQUIRE(sConfigMgr->GetIntDefault("Unique.Int", 1) == 100);
+    }
+
+    SECTION("Not existing string")
+    {
+        REQUIRE(sConfigMgr->GetStringDefault("NotFound.String", "none") == "none");
+    }
+
+    SECTION("Not existing int")
+    {
+        REQUIRE(sConfigMgr->GetIntDefault("NotFound.Int", 1) == 1);
+    }
+
+    std::remove(filePath.c_str());
+}