Support symbols/strings with spaces.

lib/enumerate_it/base.rb

@@ -116,7 +116,7 @@ def register_enumeration(values_hash)
       end
 
       def define_enumeration_constant(name, value)
-        const_set name.to_s.tr('-', '_').upcase, value
+        const_set name.to_s.tr('-', '_').gsub(/\p{blank}/, '_').upcase, value
       end
 
       def values_hash(args)

spec/enumerate_it/base_spec.rb

@@ -17,6 +17,10 @@
     expect(TestEnumerationWithDash::PT_BR).to eq('pt-BR')
   end
 
+  it 'creates constants for values with spaces' do
+    expect(TestEnumerationWithSpaces::SPA_CES).to eq('spa ces')
+  end
+
   describe '.list' do
     it "creates a method that returns the allowed values in the enumeration's class" do
       expect(TestEnumeration.list).to eq(%w[1 2 3])

spec/support/test_classes.rb

@@ -34,6 +34,10 @@ class TestEnumerationWithCamelCase < EnumerateIt::Base
   associate_values 'iPhone'
 end
 
+class TestEnumerationWithSpaces < EnumerateIt::Base
+  associate_values 'spa ces'
+end
+
 class Foobar < EnumerateIt::Base
   associate_values bar: 'foo'
 end