test/soundex_test.rb in text-1.2.3 vs test/soundex_test.rb in text-1.3.0

@@ -1,28 +1,20 @@
-require "test_helper"
+require_relative "./test_helper"
 require "text/soundex"
 require 'yaml'
 
 class SoundexTest < Test::Unit::TestCase
 
   def test_cases
-    YAML.load(%{
-
-      Euler: E460
-      Ellery: E460
-      Gauss: G200
-      Ghosh: G200
-      Hilbert: H416
-      Heilbronn: H416
-      Knuth: K530
-      Kant: K530
-      Lloyd: L300
-      Ladd: L300
-      Lukasiewicz: L222
-      Lissajous: L222
-
-    }).each do |input, expected_output|
+    YAML.load(data_file('soundex.yml')).each do |input, expected_output|
       assert_equal expected_output, Text::Soundex.soundex(input)
     end
   end
 
+  def test_should_return_nil_for_empty_string
+    assert_nil Text::Soundex.soundex("")
+  end
+
+  def test_should_return_nil_for_string_with_no_letters
+    assert_nil Text::Soundex.soundex("!@#123")
+  end
 end