adds a runner that parses files (and some fibo examples)

test/runners/fibo_recursice.cr

@@ -0,0 +1,6 @@
+def fibonacci_r( n )
+    return  n  if n <= 1 
+    fibonacci_r( n - 1 ) + fibonacci_r( n - 2 )
+end 
+
+puts fibonacci( 10 )

test/runners/fibo_times.cr

@@ -0,0 +1,9 @@
+def fibonacci_t(n)
+  a,b = 0,1
+  n.times do
+    printf("%d\n", a)
+    a,b = b,a+b
+  end
+end
+
+puts fibonacci_t( 10 )

test/test_runner.rb

@@ -0,0 +1,31 @@
+require_relative 'helper'
+
+class TestRunner < MiniTest::Test
+
+  # this creates test methods dynamically , one for each file in runners directory
+  def self.runnable_methods
+    methods = []
+    Dir[File.join(File.dirname(__FILE__) , "runners" , "*.cr")].each do |file|
+      meth =  File.basename(file).split(".").first
+      name = "test_#{meth}"
+      methods << name
+      self.send(:define_method, name ) {
+        execute file
+      }
+    end
+    methods
+  end
+
+  def execute file
+    string = File.read(file)
+    syntax    = Parser::Composed.new.parse(string)
+    tree      = Parser::Transform.new.apply(syntax)
+    #transform
+    # write
+    #link
+    # execute
+    # check result ?
+    puts tree.inspect
+  end
+
+end