Set GTEST_SHARD_STATUS_FILE in test setup (#18482)

googletest only reads `GTEST_SHARD_STATUS_FILE`, not `TEST_SHARD_STATUS_FILE`, so this variable has to be set to keep sharded `cc_test`s relying on the test framework working with `--incompatible_check_sharding_support`.

Closes #18469.

PiperOrigin-RevId: 534375567
Change-Id: I0ca909cc7eb0b0f28f756e90e333e6bf39a0954d

Co-authored-by: Fabian Meumertzheim <[email protected]>

Author: iancha1992

tools/test/test-setup.sh

@@ -102,6 +102,7 @@ export -n TEST_UNDECLARED_OUTPUTS_ANNOTATIONS
 if [[ -n "${TEST_TOTAL_SHARDS+x}" ]] && ((TEST_TOTAL_SHARDS != 0)); then
   export GTEST_SHARD_INDEX="${TEST_SHARD_INDEX}"
   export GTEST_TOTAL_SHARDS="${TEST_TOTAL_SHARDS}"
+  export GTEST_SHARD_STATUS_FILE="${TEST_SHARD_STATUS_FILE}"
 fi
 export GTEST_TMP_DIR="${TEST_TMPDIR}"
 

tools/test/windows/tw.cc

@@ -615,7 +615,10 @@ bool ExportGtestVariables(const Path& test_tmpdir) {
   }
   if (total_shards_value > 0) {
     std::wstring shard_index;
-    if (!GetEnv(L"TEST_SHARD_INDEX", &shard_index) ||
+    std::wstring shard_status_file;
+    if (!GetEnv(L"TEST_SHARD_STATUS_FILE", &shard_status_file) ||
+        !GetEnv(L"TEST_SHARD_INDEX", &shard_index) ||
+        !SetEnv(L"GTEST_SHARD_STATUS_FILE", shard_status_file) ||
         !SetEnv(L"GTEST_SHARD_INDEX", shard_index) ||
         !SetEnv(L"GTEST_TOTAL_SHARDS", total_shards_str)) {
       return false;