Do not include tests files in packaged gem (#526)

* changing location of rspec file

* trying a graceful fail here

* wrapping in rails env check

lib/paranoia/rspec.rb

@@ -1,23 +1,26 @@
-require 'rspec/expectations'
+if Rails.env.test?
+  require 'rspec/expectations'
 
-# Validate the subject's class did call "acts_as_paranoid"
-RSpec::Matchers.define :act_as_paranoid do
-  match { |subject| subject.class.ancestors.include?(Paranoia) }
+  # Validate the subject's class did call "acts_as_paranoid"
+  RSpec::Matchers.define :act_as_paranoid do
+    match { |subject| subject.class.ancestors.include?(Paranoia) }
 
-  failure_message_proc = lambda do
-    "expected #{subject.class} to use `acts_as_paranoid`"
-  end
+    failure_message_proc = lambda do
+      "expected #{subject.class} to use `acts_as_paranoid`"
+    end
 
-  failure_message_when_negated_proc = lambda do
-    "expected #{subject.class} not to use `acts_as_paranoid`"
-  end
+    failure_message_when_negated_proc = lambda do
+      "expected #{subject.class} not to use `acts_as_paranoid`"
+    end
 
-  if respond_to?(:failure_message_when_negated)
-    failure_message(&failure_message_proc)
-    failure_message_when_negated(&failure_message_when_negated_proc)
-  else
-    # RSpec 2 compatibility:
-    failure_message_for_should(&failure_message_proc)
-    failure_message_for_should_not(&failure_message_when_negated_proc)
+    if respond_to?(:failure_message_when_negated)
+      failure_message(&failure_message_proc)
+      failure_message_when_negated(&failure_message_when_negated_proc)
+    else
+      # RSpec 2 compatibility:
+      failure_message_for_should(&failure_message_proc)
+      failure_message_for_should_not(&failure_message_when_negated_proc)
+    end
   end
-end
+
+end

paranoia.gemspec

@@ -29,7 +29,12 @@ Gem::Specification.new do |s|
   s.add_development_dependency "bundler", ">= 1.0.0"
   s.add_development_dependency "rake"
 
-  s.files        = `git ls-files`.split("\n")
+
+  s.files         = Dir.chdir(File.expand_path('..', __FILE__)) do
+    files = `git ls-files -z`.split("\x0").reject { |f| f.match(%r{^(test|spec|features)})  }
+    files
+  end
+
   s.executables  = `git ls-files`.split("\n").map{|f| f =~ /^bin\/(.*)/ ? $1 : nil}.compact
   s.require_path = 'lib'
 end