test: TEST_COLORS

* bootstraptest/runner.rb (main): customize colors by dircolors-like
  style environment variable TEST_COLORS.

* lib/test/unit.rb (Test::Unit::Runner#_prepare_run): ditto.

* sample/test.rb: ditto.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@36095 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

bootstraptest/runner.rb

@@ -127,8 +127,10 @@ End
     @tty = true
   end
   if @color
-    @passed = "\e[#{ENV['PASSED_COLOR']||'32'}m"
-    @failed = "\e[#{ENV['FAILED_COLOR']||'31'}m"
+    # dircolors-like style
+    colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w)=([^:]*)/)] : {}
+    @passed = "\e[#{colors["pass"] || "32"}m"
+    @failed = "\e[#{colors["fail"] || "31"}m"
     @reset = "\e[m"
   else
     @passed = @failed = @reset = ""

lib/test/unit.rb

@@ -676,11 +676,13 @@ module Test
           color = false
         end
         if color
-          @passed_color = "\e[#{ENV['PASSED_COLOR']||'32'}m"
-          @failed_color = "\e[#{ENV['FAILED_COLOR']||'31'}m"
+          # dircolors-like style
+          colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w)=([^:]*)/)] : {}
+          @passed_color = "\e[#{colors["pass"] || "32"}m"
+          @failed_color = "\e[#{colors["fail"] || "31"}m"
           @reset_color = "\e[m"
         else
-          @failed_color = @reset_color = ""
+          @passed_color = @failed_color = @reset_color = ""
         end
         if color or @options[:job_status] == :replace
           @options[:job_status] ||= :replace unless @verbose

sample/test.rb

@@ -23,8 +23,10 @@ PROGRESS.instance_eval do
     @tty = true
   end
   if @color
-    @passed = "\e[#{ENV['PASSED_COLOR']||'32'}m"
-    @failed = "\e[#{ENV['FAILED_COLOR']||'31'}m"
+    # dircolors-like style
+    colors = (colors = ENV['TEST_COLORS']) ? Hash[colors.scan(/(\w)=([^:]*)/)] : {}
+    @passed = "\e[#{colors["pass"] || "32"}m"
+    @failed = "\e[#{colors["fail"] || "31"}m"
     @reset = "\e[m"
   else
     @passed = @failed = @reset = ""