Function expectCommanderError

tests/command.exitOverride.test.js:11–16

(err, exitCode, code, message)

// to detect accidental changes in behaviour.

function expectCommanderError(err, exitCode, code, message) {
  assert(err instanceof commander.CommanderError);
  assert.equal(err.exitCode, exitCode);
  assert.equal(err.code, code);
  assert.equal(err.message, message);
}

describe('Command.exitOverride', () => {
  // Use internal knowledge to suppress output to keep test output clean.