Wrapped Rails.env in StringQuestioneer so you can do Rails.env.development? [DHH]

4 files changed, 28 insertions, 0 deletions

diff --git a/activesupport/CHANGELOG b/activesupport/CHANGELOG
index a6ce37ac14..894b43928f 100644
--- a/activesupport/CHANGELOG
+++ b/activesupport/CHANGELOG
@@ -4,6 +4,8 @@
 
 * Namespace Inflector, Dependencies, OrderedOptions, and TimeZone under ActiveSupport [Josh Peek]
 
+* Added StringQuestioneer for doing things like StringQuestioneer.new("production").production? # => true and StringQuestioneer.new("production").development? # => false [DHH]
+
 * Fixed Date#end_of_quarter to not blow up on May 31st [#289 state:resolved] (Danger)
 
 
diff --git a/activesupport/lib/active_support.rb b/activesupport/lib/active_support.rb
index 982adfb0cf..2b418a1bb7 100644
--- a/activesupport/lib/active_support.rb
+++ b/activesupport/lib/active_support.rb
@@ -43,6 +43,8 @@ require 'active_support/ordered_hash'
 require 'active_support/ordered_options'
 require 'active_support/option_merger'
 
+require 'active_support/string_questioneer'
+
 require 'active_support/values/time_zone'
 require 'active_support/duration'
 
diff --git a/activesupport/lib/active_support/string_questioneer.rb b/activesupport/lib/active_support/string_questioneer.rb
new file mode 100644
index 0000000000..7732f8b401
--- /dev/null
+++ b/activesupport/lib/active_support/string_questioneer.rb
@@ -0,0 +1,9 @@
+class StringQuestioneer < String
+  def method_missing(method_name, *arguments)
+    if method_name.to_s.ends_with?("?")
+      self == method_name.to_s[0..-2]
+    else
+      super
+    end
+  end
+end
\ No newline at end of file
diff --git a/activesupport/test/string_questioneer_test.rb b/activesupport/test/string_questioneer_test.rb
new file mode 100644
index 0000000000..ff9d2c17f9
--- /dev/null
+++ b/activesupport/test/string_questioneer_test.rb
@@ -0,0 +1,15 @@
+require 'abstract_unit'
+
+class StringQuestioneerTest < Test::Unit::TestCase
+  def test_match
+    assert StringQuestioneer.new("production").production?
+  end
+  
+  def test_miss
+    assert !StringQuestioneer.new("production").development?
+  end
+
+  def test_missing_question_mark
+    assert_raises(NoMethodError) { StringQuestioneer.new("production").production }
+  end
+end
\ No newline at end of file