replace term-ansicolor with built-in colorization

spec/foreman/color_spec.rb

@@ -0,0 +1,31 @@
+require "spec_helper"
+require "foreman/color"
+
+describe Foreman::Color do
+
+  let(:io) { Object.new }
+
+  it "should extend an object with colorization" do
+    Foreman::Color.enable(io)
+    io.should respond_to(:color)
+  end
+
+  it "should not colorize if the object does not respond to isatty" do
+    mock(io).respond_to?(:isatty) { false }
+    Foreman::Color.enable(io)
+    io.color(:white).should == ""
+  end
+
+  it "should not colorize if the object is not a tty" do
+    mock(io).isatty { false }
+    Foreman::Color.enable(io)
+    io.color(:white).should == ""
+  end
+
+  it "should colorize if the object is a tty" do
+    mock(io).isatty { true }
+    Foreman::Color.enable(io)
+    io.color(:white).should == "\e[37m"
+  end
+
+end