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Merge bitcoin/bitcoin#28989: test: Fix test by checking the actual exception instance

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55e3dc3e03510e97caba1547a82e3e022b0bbd42 test: Fix test by checking the actual exception instance (Hennadii Stepanov)

Pull request description:

  The `system_tests/run_command` test is broken because it passes even with the diff as follows:
  ```diff
  --- a/src/test/system_tests.cpp
  +++ b/src/test/system_tests.cpp
  @@ -90,7 +90,7 @@ BOOST_AUTO_TEST_CASE(run_command)
           });
       }
       {
  -        BOOST_REQUIRE_THROW(RunCommandParseJSON("echo \"{\""), std::runtime_error); // Unable to parse JSON
  +        BOOST_REQUIRE_THROW(RunCommandParseJSON("invalid_command \"{\""), std::runtime_error); // Unable to parse JSON
       }
       // Test std::in, except for Windows
   #ifndef WIN32
  ```

  The reason of such fragility is that the [`BOOST_REQUIRE_THROW`](https://www.boost.org/doc/libs/1_83_0/libs/test/doc/html/boost_test/utf_reference/testing_tool_ref/assertion_boost_level_throw.html) macro passes even if the command raises an exception in the underlying subprocess implementation, which might have a type derived from `std::runtime_error`.

ACKs for top commit:
  maflcko:
    lgtm ACK 55e3dc3e03510e97caba1547a82e3e022b0bbd42
  achow101:
    ACK 55e3dc3e03510e97caba1547a82e3e022b0bbd42
  furszy:
    Non-Windows code ACK 55e3dc3e
  pablomartin4btc:
    ACK 55e3dc3e03510e97caba1547a82e3e022b0bbd42

Tree-SHA512: 32f49421bdcc94744c81e82dc10cfa02e3f8ed111974edf1c2a47bdaeb56d7baec1bede67301cc89464fba613029ecb131dedc6bc5948777ab52f0f12df8bfe9
This commit is contained in:
Andrew Chow 2023-12-06 10:27:27 -05:00 committed by pasta
parent 8cd85d311f
commit 75e0334866
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1 changed files with 7 additions and 1 deletions
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8
src/test/system_tests.cpp
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@ -77,7 +77,13 @@ BOOST_AUTO_TEST_CASE(run_command)
}); });
} }
{ {
BOOST_REQUIRE_THROW(RunCommandParseJSON("echo \"{\""), std::runtime_error); // Unable to parse JSON // Unable to parse JSON
#ifdef WIN32
const std::string command{"cmd.exe /c echo {"};
#else
const std::string command{"echo {"};
#endif
BOOST_CHECK_EXCEPTION(RunCommandParseJSON(command), std::runtime_error, HasReason("Unable to parse JSON: {"));
} }
// Test std::in, except for Windows // Test std::in, except for Windows
#ifndef WIN32 #ifndef WIN32