IACore v1.2

Tests/Unit/Environment.cpp

@@ -0,0 +1,127 @@
+// IACore-OSS; The Core Library for All IA Open Source Projects
+// Copyright (C) 2026 IAS (ias@iasoft.dev)
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+#include <IACore/Environment.hpp>
+#include <IACore/IATest.hpp>
+
+using namespace IACore;
+
+static constexpr const char *TEST_KEY = "IA_TEST_ENV_VAR_12345";
+static constexpr const char *TEST_VAL = "Hello World";
+
+IAT_BEGIN_BLOCK(Core, Environment)
+
+auto test_basic_cycle() -> bool {
+
+  (void)Environment::unset(TEST_KEY);
+  IAT_CHECK_NOT(Environment::exists(TEST_KEY));
+
+  const auto set_res = Environment::set(TEST_KEY, TEST_VAL);
+  IAT_CHECK(set_res.has_value());
+  IAT_CHECK(Environment::exists(TEST_KEY));
+
+  const auto opt = Environment::find(TEST_KEY);
+  IAT_CHECK(opt.has_value());
+  IAT_CHECK_EQ(*opt, String(TEST_VAL));
+
+  const String val = Environment::get(TEST_KEY);
+  IAT_CHECK_EQ(val, String(TEST_VAL));
+
+  (void)Environment::unset(TEST_KEY);
+  return true;
+}
+
+auto test_overwrite() -> bool {
+  (void)Environment::set(TEST_KEY, "ValueA");
+  IAT_CHECK_EQ(Environment::get(TEST_KEY), String("ValueA"));
+
+  (void)Environment::set(TEST_KEY, "ValueB");
+  IAT_CHECK_EQ(Environment::get(TEST_KEY), String("ValueB"));
+
+  (void)Environment::unset(TEST_KEY);
+  return true;
+}
+
+auto test_unset() -> bool {
+  (void)Environment::set(TEST_KEY, "To Be Deleted");
+  IAT_CHECK(Environment::exists(TEST_KEY));
+
+  const auto unset_res = Environment::unset(TEST_KEY);
+  IAT_CHECK(unset_res.has_value());
+
+  IAT_CHECK_NOT(Environment::exists(TEST_KEY));
+
+  const auto opt = Environment::find(TEST_KEY);
+  IAT_CHECK_NOT(opt.has_value());
+
+  return true;
+}
+
+auto test_defaults() -> bool {
+  const char *ghost_key = "IA_THIS_KEY_DOES_NOT_EXIST";
+
+  (void)Environment::unset(ghost_key);
+
+  const String empty = Environment::get(ghost_key);
+  IAT_CHECK(empty.empty());
+
+  const String fallback = Environment::get(ghost_key, "MyDefault");
+  IAT_CHECK_EQ(fallback, String("MyDefault"));
+
+  return true;
+}
+
+auto test_empty_value() -> bool {
+  (void)Environment::set(TEST_KEY, "");
+
+#if IA_PLATFORM_WINDOWS
+
+#else
+
+  IAT_CHECK(Environment::exists(TEST_KEY));
+  const auto opt = Environment::find(TEST_KEY);
+  IAT_CHECK(opt.has_value());
+  IAT_CHECK(opt->empty());
+#endif
+
+  (void)Environment::unset(TEST_KEY);
+  IAT_CHECK_NOT(Environment::exists(TEST_KEY));
+
+  return true;
+}
+
+auto test_bad_input() -> bool {
+
+  const auto res = Environment::set("", "Value");
+  IAT_CHECK_NOT(res.has_value());
+
+  const auto res_unset = Environment::unset("");
+  IAT_CHECK_NOT(res_unset.has_value());
+
+  return true;
+}
+
+IAT_BEGIN_TEST_LIST()
+IAT_ADD_TEST(test_basic_cycle);
+IAT_ADD_TEST(test_overwrite);
+IAT_ADD_TEST(test_unset);
+IAT_ADD_TEST(test_defaults);
+IAT_ADD_TEST(test_empty_value);
+IAT_ADD_TEST(test_bad_input);
+IAT_END_TEST_LIST()
+
+IAT_END_BLOCK()
+
+IAT_REGISTER_ENTRY(Core, Environment)