Some initial work on spec runner

src/spectator.cr

@@ -4,6 +4,8 @@ require "./spectator/*"
 module Spectator
   VERSION = "0.1.0"
 
+  ALL_EXAMPLES = [] of Example
+
   macro describe(what, source_file = __FILE__, source_line = __LINE__, &block)
     module Spectator
       module Examples
@@ -14,6 +16,6 @@ module Spectator
   end
 
   at_exit do
-    # TODO
+    Runner.new(ALL_EXAMPLES).run
   end
 end

src/spectator/dsl.cr

@@ -33,6 +33,8 @@ module Spectator
           {{block.body}}
         end
       end
+
+      ::Spectator::ALL_EXAMPLES << {{class_name.id}}.new
     end
 
     def it_behaves_like

src/spectator/example_result.cr

@@ -0,0 +1,10 @@
+module Spectator
+  abstract class ExampleResult
+    getter example : Example
+
+    abstract def passed? : Bool
+
+    protected def initialize(@example)
+    end
+  end
+end

src/spectator/failed_example_result.cr

@@ -0,0 +1,9 @@
+require "./example_result"
+
+module Spectator
+  class FailedExampleResult < ExampleResult
+    def passed? : Bool
+      false
+    end
+  end
+end

src/spectator/runner.cr

@@ -0,0 +1,26 @@
+require "./failed_example_result"
+require "./successful_example_result"
+
+module Spectator
+  class Runner
+    getter results : Enumerable(ExampleResult)
+
+    def initialize(@examples : Enumerable(Example))
+      @results = Array(ExampleResult).new(@examples.size)
+    end
+
+    def run : Nil
+      @examples.each do |example|
+        result = run_example(example)
+        pp result
+      end
+    end
+
+    private def run_example(example)
+      example.run
+      SuccessfulExampleResult.new(example)
+    rescue
+      FailedExampleResult.new(example)
+    end
+  end
+end

src/spectator/successful_example_result.cr

@@ -0,0 +1,9 @@
+require "./example_result"
+
+module Spectator
+  class SuccessfulExampleResult < ExampleResult
+    def passed? : Bool
+      true
+    end
+  end
+end