Push down TMPDIR env var to a subprocess

1 files changed, 8 insertions, 3 deletions

diff --git a/library/cpp/testing/unittest/utmain.cpp b/library/cpp/testing/unittest/utmain.cpp
index 99245c8052..40766bf137 100644
--- a/library/cpp/testing/unittest/utmain.cpp
+++ b/library/cpp/testing/unittest/utmain.cpp
@@ -506,6 +506,12 @@ private:
         return EnabledTests_.find(name) != EnabledTests_.end();
     }
 
+    void PushDownEnvVar(TShellCommandOptions* options, const TString& var) {
+        if (TString value = GetEnv(var)) {
+            options->Environment[var] = std::move(value);
+        }
+    }
+
     void Run(std::function<void()> f, const TString& suite, const char* name, const bool forceFork) override {
         if (!(GetForkTests() || forceFork) || GetIsForked()) {
             return f();
@@ -522,9 +528,8 @@ private:
             .SetAsync(false)
             .SetLatency(1);
 
-        if (TString output = GetEnv(Y_UNITTEST_OUTPUT_CMDLINE_OPTION)) {
-            options.Environment[Y_UNITTEST_OUTPUT_CMDLINE_OPTION] = output;
-        }
+        PushDownEnvVar(&options, Y_UNITTEST_OUTPUT_CMDLINE_OPTION);
+        PushDownEnvVar(&options, "TMPDIR");
 
         TShellCommand cmd(AppName, args, options);
         cmd.Run();