tweak development dependencies

Gemfile.lock

@@ -7,8 +7,7 @@ GEM
   remote: http://rubygems.org/
   specs:
     diff-lcs (1.1.2)
-    highline (1.6.4)
-    paint (0.8.0)
+    paint (0.8.1)
     rake (0.8.7)
     rspec (2.5.0)
       rspec-core (~> 2.5.0)
@@ -24,7 +23,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  highline
   paint
   rake
   rspec

spec/colorizer_highline_spec.rb

@@ -1,3 +1,6 @@
+begin # only test if highline is available
+require 'highline'
+
 describe Wirb::Colorizer::HighLine do
   before :each do
     Wirb.colorizer = Wirb::Colorizer::HighLine
@@ -14,4 +17,7 @@
   after :each do
     Wirb.colorizer = nil
   end
-end
+end
+
+rescue LoadError
+end

spec/colorizer_paint_spec.rb

@@ -1,3 +1,6 @@
+begin # only test if paint is available
+require 'paint'
+
 describe Wirb::Colorizer::Paint do
   before :each do
     Wirb.colorizer = Wirb::Colorizer::Paint
@@ -25,3 +28,6 @@
     Wirb.colorizer = nil
   end
 end
+
+rescue LoadError
+end

spec/colorizer_wirb0_highline_spec.rb

@@ -1,3 +1,6 @@
+begin # only test if highline is available
+require 'highline'
+
 describe Wirb::Colorizer::Wirb0_HighLine do
   before :each do
     Wirb.colorizer = Wirb::Colorizer::Wirb0_HighLine
@@ -70,3 +73,6 @@
     Wirb.colorizer = nil
   end
 end
+
+rescue LoadError
+end

spec/colorizer_wirb0_paint_spec.rb

@@ -1,3 +1,6 @@
+begin # only test if paint is available
+require 'paint'
+
 describe Wirb::Colorizer::Wirb0_Paint do
   before :each do
     Wirb.colorizer = Wirb::Colorizer::Wirb0_Paint
@@ -27,3 +30,6 @@
     Wirb.colorizer = nil
   end
 end
+
+rescue LoadError
+end

wirb.gemspec

@@ -19,7 +19,7 @@ Gem::Specification.new do |s|
   s.add_development_dependency 'rspec-core'
   s.add_development_dependency 'rake'
   s.add_development_dependency 'zucker', '>= 11'
-  s.add_development_dependency 'highline'
+  #s.add_development_dependency 'highline'
   s.add_development_dependency 'paint'
 
   len = s.homepage.size