//
// This will create a file name via prefixing `name` with the value of the
// TF_DUMP_GRAPH_PREFIX environment variable if `dirname` is empty and
// suffixing `name` with ".mlir".
std::string DumpRawStringToFile(llvm::StringRef name, llvm::StringRef content,
                                llvm::StringRef dirname = "");

// Enable the crash reproducer on the provided PassManager to the provided
// directory path.

}

TEST(DumpRawStringToFileTest, Valid) {
  llvm::StringRef example = "module {\n}";
  setenv("TF_DUMP_GRAPH_PREFIX", testing::TmpDir().c_str(), 1);

  std::string filepath = DumpRawStringToFile("example", example);
  ASSERT_NE(filepath, "(TF_DUMP_GRAPH_PREFIX not specified)");
  ASSERT_NE(filepath, "LOG(INFO)");
  ASSERT_NE(filepath, "(unavailable)");

  Env* env = Env::Default();

  std::string all_computations;
  for (auto computation : hlo_module->computations()) {
    all_computations += computation->ToString() + "\n\n";
  }

  tensorflow::DumpRawStringToFile(name, all_computations);

  return absl::OkStatus();
}

}  // namespace

absl::StatusOr<tensorflow::XlaCompilationResult> LegalizeMlirToHlo(

    LOG(WARNING) << "TF_DUMP_GRAPH_PREFIX=sponge but "
                    "TEST_UNDECLARED_OUTPUT_DIRS is not set";
    return "";
  }
  return result;
}

std::string DumpRawStringToFile(llvm::StringRef name, llvm::StringRef content,
                                llvm::StringRef dirname) {
  std::unique_ptr<raw_ostream> os;
  std::string filepath;