Use of deconstruct for spliting world
Use of backticks for join
Use of sort rather than reverse
Writing of a basic test

Golfing on the variable name
Use of count method
Use of an direct return
Condition without if/else

The return True is not neccessary.

The problem is simple, maybe add random tests

Cool quotes

The goal is to learn with extra eyes on a problem.

An other approach is the use of regexp - I've posted my solution.

It's seems doesn't work in older ruby version. I've tried with 2.2.3 version, it's a syntax error.
Maybe this is not a tick for production but quite nice trick.

I don't clearly understand this error

 `<': comparison of String with 0 failed (ArgumentError)
	from `Ackermann'
	from  `
'

I'm quite puzzled, I think I've made all the test cases and I've created new ones but my final submit doesn't work

Test.assert_equals(reverse_it('Hello'), "olleH", 'Not quite')
Test.assert_equals(reverse_it("314159"), "951413", 'Not quite')
Test.assert_equals(reverse_it(314159), 951413, 'Not quite')
Test.assert_equals(reverse_it([]), [], 'Not quite')
Test.assert_equals(reverse_it(true),false, 'Not quite')
Test.assert_equals(reverse_it(false),true, 'Not quite')
Test.assert_equals(reverse_it(nil),true, 'Not quite')
Test.assert_equals(reverse_it(!nil),false, 'Not quite')

I've got this

Test Passed: Value == "olleH"
Test Passed: Value == 951413
Test Passed: Value == "951413"
Test Passed: Value == []
Test Passed: Value == {}
Not quite - Expected: true, instead got: false

My solution for now is quite dirty but it works in the first test but not for the final:

def reverse_it(data)
  return data.to_s.reverse.to_i if (data.class)== Fixnum
  return data.to_a.reverse.to_h if (data.class)== Hash
  return data.reverse if (data.class)== String
  return data.reverse if (data.class)== Array
  return false if data.class == TrueClass
  return true if data.class == FalseClass
  return false if data == !nil
  return true if data == nil
end