Add some tests for no_color! behavior.

railties/lib/commands/destroy.rb

@@ -7,4 +7,4 @@ if ARGV.size == 0
 end
 
 name = ARGV.shift
-Rails::Generators.invoke name, ARGV, :revoke
+Rails::Generators.invoke name, ARGV, :behavior => :revoke

railties/lib/commands/generate.rb

@@ -7,4 +7,4 @@ if ARGV.size == 0
 end
 
 name = ARGV.shift
-Rails::Generators.invoke name, ARGV, :invoke
+Rails::Generators.invoke name, ARGV, :behavior => :invoke

railties/lib/commands/update.rb

@@ -7,4 +7,4 @@ if ARGV.size == 0
 end
 
 name = ARGV.shift
-Rails::Generators.invoke name, ARGV, :skip
+Rails::Generators.invoke name, ARGV, :behavior => :skip

railties/lib/generators.rb

@@ -123,10 +123,10 @@ module Rails
     # It's used as the default entry point for generate, destroy and update
     # commands.
     #
-    def self.invoke(namespace, args=ARGV, behavior=:invoke)
+    def self.invoke(namespace, args=ARGV, config={})
       if klass = find_by_namespace(namespace, "rails")
         args << "--help" if klass.arguments.any? { |a| a.required? } && args.empty?
-        klass.start args, :behavior => behavior
+        klass.start args, config
       else
         puts "Could not find generator #{namespace}."
       end

railties/test/generators_test.rb

@@ -13,14 +13,14 @@ class GeneratorsTest < GeneratorsTestCase
     assert_match /Description:/, output
   end
 
-  def test_invoke_with_default_behavior
-    Rails::Generators::ModelGenerator.expects(:start).with(["Account"], :behavior => :invoke)
+  def test_invoke_with_default_values
+    Rails::Generators::ModelGenerator.expects(:start).with(["Account"], {})
     Rails::Generators.invoke :model, ["Account"]
   end
 
-  def test_invoke_with_given_behavior
+  def test_invoke_with_config_values
     Rails::Generators::ModelGenerator.expects(:start).with(["Account"], :behavior => :skip)
-    Rails::Generators.invoke :model, ["Account"], :skip
+    Rails::Generators.invoke :model, ["Account"], :behavior => :skip
   end
 
   def test_find_by_namespace_without_base_or_context
@@ -77,4 +77,11 @@ class GeneratorsTest < GeneratorsTestCase
     output = capture(:stdout){ Rails::Generators.help }.split("\n").last
     assert_equal "Others: active_record:fixjour, fixjour, rails:javascripts.", output
   end
+
+  def test_no_color_sets_proper_shell
+    Rails::Generators.no_color!
+    assert_equal Thor::Shell::Basic, Thor::Base.shell
+  ensure
+    Thor::Base.shell = Thor::Shell::Color
+  end
 end