text: // Copyright (c) 2019-2020 The Beans Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  //
  #include <test/util/setup_common.h>
  #include <util/system.h>
  #include <univalue.h>
  
  #ifdef ENABLE_EXTERNAL_SIGNER
  #include <boost/process.hpp>
  #endif // ENABLE_EXTERNAL_SIGNER
  
  #include <boost/test/unit_test.hpp>
  
  BOOST_FIXTURE_TEST_SUITE(system_tests, BasicTestingSetup)
  
  // At least one test is required (in case ENABLE_EXTERNAL_SIGNER is not defined).
  // Workaround for https://github.com/beans/beans/issues/19128
  BOOST_AUTO_TEST_CASE(dummy)
  {
      BOOST_CHECK(true);
  }
  
  #ifdef ENABLE_EXTERNAL_SIGNER
  
  bool checkMessage(const std::runtime_error& ex)
  {
      // On Linux & Mac: "No such file or directory"
      // On Windows: "The system cannot find the file specified."
      const std::string what(ex.what());
      BOOST_CHECK(what.find("file") != std::string::npos);
      return true;
  }
  
  bool checkMessageFalse(const std::runtime_error& ex)
  {
      BOOST_CHECK_EQUAL(ex.what(), std::string("RunCommandParseJSON error: process(false) returned 1: \n"));
      return true;
  }
  
  bool checkMessageStdErr(const std::runtime_error& ex)
  {
      const std::string what(ex.what());
      BOOST_CHECK(what.find("RunCommandParseJSON error:") != std::string::npos);
      return checkMessage(ex);
  }
  
  BOOST_AUTO_TEST_CASE(run_command)
  {
      {
          const UniValue result = RunCommandParseJSON("");
          BOOST_CHECK(result.isNull());
      }
      {
  #ifdef WIN32
          // Windows requires single quotes to prevent escaping double quotes from the JSON...
          const UniValue result = RunCommandParseJSON("echo '{\"success\": true}'");
  #else
          // ... but Linux and macOS echo a single quote if it's used
          const UniValue result = RunCommandParseJSON("echo \"{\"success\": true}\"");
  #endif
          BOOST_CHECK(result.isObject());
          const UniValue& success = find_value(result, "success");
          BOOST_CHECK(!success.isNull());
          BOOST_CHECK_EQUAL(success.getBool(), true);
      }
      {
          // An invalid command is handled by Boost
          BOOST_CHECK_EXCEPTION(RunCommandParseJSON("invalid_command"), boost::process::process_error, checkMessage); // Command failed
      }
      {
          // Return non-zero exit code, no output to stderr
          BOOST_CHECK_EXCEPTION(RunCommandParseJSON("false"), std::runtime_error, checkMessageFalse);
      }
      {
          // Return non-zero exit code, with error message for stderr
          BOOST_CHECK_EXCEPTION(RunCommandParseJSON("ls nosuchfile"), std::runtime_error, checkMessageStdErr);
      }
      {
          BOOST_REQUIRE_THROW(RunCommandParseJSON("echo \"{\""), std::runtime_error); // Unable to parse JSON
      }
      // Test std::in, except for Windows
  #ifndef WIN32
      {
          const UniValue result = RunCommandParseJSON("cat", "{\"success\": true}");
          BOOST_CHECK(result.isObject());
          const UniValue& success = find_value(result, "success");
          BOOST_CHECK(!success.isNull());
          BOOST_CHECK_EQUAL(success.getBool(), true);
      }
  #endif
  }
  #endif // ENABLE_EXTERNAL_SIGNER
  
  BOOST_AUTO_TEST_SUITE_END()
  