Sync branches 251103-0051

1 files changed, 52 insertions, 0 deletions

diff --git a/library/cpp/yt/system/unittests/env_ut.cpp b/library/cpp/yt/system/unittests/env_ut.cpp
new file mode 100644
index 00000000000..21183a12390
--- /dev/null
+++ b/library/cpp/yt/system/unittests/env_ut.cpp
@@ -0,0 +1,52 @@
+#include <library/cpp/testing/gtest/gtest.h>
+
+#include <library/cpp/yt/system/env.h>
+
+#include <library/cpp/yt/misc/guid.h>
+
+#include <library/cpp/yt/string/format.h>
+
+#include <util/system/env.h>
+
+namespace NYT {
+namespace {
+
+////////////////////////////////////////////////////////////////////////////////
+
+TEST(TParseEnvironNameValuePairTest, NonNull)
+{
+    auto pair = ParseEnvironNameValuePair("var=value");
+    EXPECT_EQ(pair.first, "var");
+    EXPECT_EQ(pair.second, "value");
+}
+
+TEST(TParseEnvironNameValuePairTest, Null)
+{
+    auto pair = ParseEnvironNameValuePair("some");
+    EXPECT_EQ(pair.first, "some");
+    EXPECT_EQ(pair.second, std::nullopt);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+
+#if defined(_linux_) || defined(_darwin_)
+
+TEST(TGetEnvironNameValuePairsTest, Simple)
+{
+    auto key = Format("var%v", TGuid::Create());
+    auto value = TString("value");
+    auto pair = Format("%v=%v", key, value);
+    SetEnv(key, value);
+    auto pairs = GetEnvironNameValuePairs();
+    EXPECT_TRUE(std::ranges::find(pairs, pair) != pairs.end());
+    UnsetEnv(key);
+}
+
+#endif
+
+////////////////////////////////////////////////////////////////////////////////
+
+} // namespace
+} // namespace NYT
+
+