Add tap output reporter to spec runner

lib/sass_spec/cli.rb

@@ -6,6 +6,7 @@ def self.parse
     options = {
       sass_executable: "sass",
       spec_directory: "spec",
+      tap: false,
       skip: false,
       verbose: false,
       filter: "",
@@ -41,6 +42,10 @@ def self.parse
         options[:verbose] = true
       end
 
+      opts.on("-t", "--tap", "Output TAP compatible report") do
+        options[:tap] = true
+      end
+
       opts.on("-c", "--command COMMAND", "Sets a specific binary to run (defaults to '#{options[:sass_executable]}')") do |v|
         options[:sass_executable] = v
       end

lib/sass_spec/runner.rb

@@ -11,9 +11,8 @@ def initialize(options = {})
   end
 
   def run
-    unless @options[:silent]
+    unless @options[:silent] || @options[:tap]
       puts "Recursively searching under directory '#{@options[:spec_directory]}' for test files to test '#{@options[:sass_executable]}' with."
-
       stdout, stderr, status = Open3.capture3("#{@options[:sass_executable]} -v")
       puts stdout
     end
@@ -26,6 +25,11 @@ def run
       minioptions.push '--verbose'
     end
 
+    if @options[:tap]
+      require 'minitap'
+      Minitest.reporter = Minitap::TapY
+    end
+
     exit Minitest.run(minioptions)
   end