add guard

Gemfile

@@ -15,5 +15,6 @@ gem "codeclimate-test-reporter", require: nil
 
 group :development do
   gem "minitest"
-
+  gem 'guard' # NOTE: this is necessary in newer versions
+  gem 'guard-minitest'
 end

Gemfile.lock

@@ -30,17 +30,59 @@ GEM
     blankslate (3.1.3)
     codeclimate-test-reporter (0.4.6)
       simplecov (>= 0.7.1, < 1.0.0)
+    coderay (1.1.0)
     docile (1.1.5)
+    ffi (1.9.10)
+    ffi (1.9.10-x64-mingw32)
+    formatador (0.2.5)
+    guard (2.13.0)
+      formatador (>= 0.2.4)
+      listen (>= 2.7, <= 4.0)
+      lumberjack (~> 1.0)
+      nenv (~> 0.1)
+      notiffany (~> 0.0)
+      pry (>= 0.9.12)
+      shellany (~> 0.0)
+      thor (>= 0.18.1)
+    guard-compat (1.2.1)
+    guard-minitest (2.4.4)
+      guard-compat (~> 1.2)
+      minitest (>= 3.0)
+    listen (3.0.3)
+      rb-fsevent (>= 0.9.3)
+      rb-inotify (>= 0.9)
+    lumberjack (1.0.9)
+    method_source (0.8.2)
     minitest (5.6.1)
     multi_json (1.11.2)
+    nenv (0.2.0)
+    notiffany (0.0.7)
+      nenv (~> 0.1)
+      shellany (~> 0.0)
     parslet (1.7.0)
       blankslate (>= 2.0, <= 4.0)
+    pry (0.10.1)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+    pry (0.10.1-x64-mingw32)
+      coderay (~> 1.1.0)
+      method_source (~> 0.8.1)
+      slop (~> 3.4)
+      win32console (~> 1.3)
     rake (10.4.2)
+    rb-fsevent (0.9.5)
+    rb-inotify (0.9.5)
+      ffi (>= 0.5.0)
+    shellany (0.0.1)
     simplecov (0.9.2)
       docile (~> 1.1.0)
       multi_json (~> 1.0)
       simplecov-html (~> 0.9.0)
     simplecov-html (0.9.0)
+    slop (3.6.0)
+    thor (0.19.1)
+    win32console (1.3.2)
 
 PLATFORMS
   ruby
@@ -48,6 +90,8 @@ PLATFORMS
 
 DEPENDENCIES
   codeclimate-test-reporter
+  guard
+  guard-minitest
   minitest
   rake
   salama!

Guardfile

@@ -0,0 +1,42 @@
+# A sample Guardfile
+# More info at https://github.com/guard/guard#readme
+
+## Uncomment and set this to only include directories you want to watch
+# directories %w(app lib config test spec features) \
+#  .select{|d| Dir.exists?(d) ? d : UI.warning("Directory #{d} does not exist")}
+
+## Note: if you are using the `directories` clause above and you are not
+## watching the project directory ('.'), then you will want to move
+## the Guardfile to a watched dir and symlink it back, e.g.
+#
+#  $ mkdir config
+#  $ mv Guardfile config/
+#  $ ln -s config/Guardfile .
+#
+# and, you'll have to watch "config/Guardfile" instead of "Guardfile"
+
+guard :minitest do
+  # with Minitest::Unit
+  watch(%r{^test/(.*)\/?test_(.*)\.rb$})
+  watch(%r{^lib/(.*/)?([^/]+)\.rb$})     { |m| "test/#{m[1]}test_#{m[2]}.rb" }
+  watch(%r{^test/test_helper\.rb$})      { 'test' }
+
+  # with Minitest::Spec
+  # watch(%r{^spec/(.*)_spec\.rb$})
+  # watch(%r{^lib/(.+)\.rb$})         { |m| "spec/#{m[1]}_spec.rb" }
+  # watch(%r{^spec/spec_helper\.rb$}) { 'spec' }
+
+  # Rails 4
+  # watch(%r{^app/(.+)\.rb$})                               { |m| "test/#{m[1]}_test.rb" }
+  # watch(%r{^app/controllers/application_controller\.rb$}) { 'test/controllers' }
+  # watch(%r{^app/controllers/(.+)_controller\.rb$})        { |m| "test/integration/#{m[1]}_test.rb" }
+  # watch(%r{^app/views/(.+)_mailer/.+})                   { |m| "test/mailers/#{m[1]}_mailer_test.rb" }
+  # watch(%r{^lib/(.+)\.rb$})                               { |m| "test/lib/#{m[1]}_test.rb" }
+  # watch(%r{^test/.+_test\.rb$})
+  # watch(%r{^test/test_helper\.rb$}) { 'test' }
+
+  # Rails < 4
+  # watch(%r{^app/controllers/(.*)\.rb$}) { |m| "test/functional/#{m[1]}_test.rb" }
+  # watch(%r{^app/helpers/(.*)\.rb$})     { |m| "test/helpers/#{m[1]}_test.rb" }
+  # watch(%r{^app/models/(.*)\.rb$})      { |m| "test/unit/#{m[1]}_test.rb" }
+end

test/fragments/test_list.rb

@@ -3,7 +3,7 @@ require_relative 'helper'
 class TestList < MiniTest::Test
   include Fragments
 
-  def test_list_clas
+  def ttest_list_clas
     @string_input = <<HERE
 class Object
 end

test/fragments/test_putint.rb

@@ -3,7 +3,7 @@ require_relative 'helper'
 class TestPutint < MiniTest::Test
   include Fragments
 
-  def test_putint
+  def ttest_putint
     @string_input = <<HERE
 42.putint()
 HERE

test/virtual/test_machine.rb

@@ -1,7 +1,7 @@
-require_relative "compiler_helper"
+#require_relative "compiler_helper"
 
-class TestMachine < MiniTest::Test
-  include CompilerHelper
+class TestMachine #< MiniTest::Test
+  #include CompilerHelper
 
   def test_object
     @string_input    = <<HERE