diff --git a/sorting/bogo_sort.rb b/sorting/bogo_sort.rb
index c447cd5..c792026 100644
--- a/sorting/bogo_sort.rb
+++ b/sorting/bogo_sort.rb
@@ -13,6 +13,8 @@ class Array
   end
 end
 
-puts "Enter a list of numbers separated by space"
-str = gets.chomp.split('')
-puts str.bogosort.join('')
+if $0 == __FILE__
+  puts "Enter a list of numbers separated by space"
+  str = gets.chomp.split('')
+  puts str.bogosort.join('')
+end
diff --git a/sorting/bogo_sort_test.rb b/sorting/bogo_sort_test.rb
new file mode 100644
index 0000000..3fc6e83
--- /dev/null
+++ b/sorting/bogo_sort_test.rb
@@ -0,0 +1,16 @@
+require 'minitest/autorun'
+require_relative './bogo_sort'
+
+class TestBogoSort < Minitest::Test
+  def test_sorted_array
+    input = [1, 2, 3, 4, 5]
+    expected = input.dup
+    assert_equal expected, input.bogosort
+  end
+
+  def test_reversed_array
+    input = [5, 4, 3, 2, 1]
+    expected = [1, 2, 3, 4, 5]
+    assert_equal expected, input.bogosort
+  end
+end