Initial code for reporters

src/spectator.cr

@@ -12,10 +12,9 @@ module Spectator
         DSL.describe({{what}}) {{block}}
       end
     end
-    {% debug %}
   end
 
   at_exit do
-    Runner.new(ALL_EXAMPLES, DefinedRunOrder.new).run
+    Runner.new(ALL_EXAMPLES).run
   end
 end

src/spectator/reporters.cr

@@ -0,0 +1,6 @@
+require "./reporters/*"
+
+module Spectator
+  module Reporters
+  end
+end

src/spectator/reporters/reporter.cr

@@ -0,0 +1,10 @@
+module Spectator
+  module Reporters
+    abstract class Reporter
+      abstract def start_suite
+      abstract def end_suite
+      abstract def start_example(example : Example)
+      abstract def end_example(result : ExampleResult)
+    end
+  end
+end

src/spectator/reporters/standard_reporter.cr

@@ -0,0 +1,29 @@
+require "./reporter"
+require "colorize"
+
+module Spectator
+  module Reporters
+    class StandardReporter < Reporter
+      def start_suite
+      end
+
+      def end_suite
+        puts
+      end
+
+      def start_example(example : Example)
+      end
+
+      def end_example(result : ExampleResult)
+        print case result
+        when SuccessfulExampleResult
+          ".".colorize.green
+        when ErroredExampleResult
+          "E".colorize.magenta
+        when FailedExampleResult
+          "F".colorize.red
+        end
+      end
+    end
+  end
+end

src/spectator/runner.cr

@@ -3,14 +3,19 @@ require "./successful_example_result"
 
 module Spectator
   class Runner
-    def initialize(@examples : Enumerable(Example), @run_order : RunOrder)
+    def initialize(@examples : Enumerable(Example),
+      @run_order : RunOrder = DefinedRunOrder.new,
+      @reporter : Reporters::Reporter = Reporters::StandardReporter.new)
     end
 
     def run : Nil
+      @reporter.start_suite
       sorted_examples.each do |example|
+        @reporter.start_example(example)
         result = run_example(example)
-        pp result
+        @reporter.end_example(result)
       end
+      @reporter.end_suite
     end
 
     private def sorted_examples