From fb8bb2ed2448daa052c5717bb417191c9c6724ec Mon Sep 17 00:00:00 2001
From: Markus Schirp <mbj@seonic.net>
Date: Thu, 22 Nov 2012 03:00:36 +0100
Subject: [PATCH] Add static fail and success strategies

* Useful for benchmarking
---
 lib/mutant.rb               |  1 +
 lib/mutant/cli.rb           | 20 +++++++++++---------
 lib/mutant/killer/static.rb | 19 +++++++++++++++++++
 lib/mutant/strategy.rb      | 10 ++++++++++
 4 files changed, 41 insertions(+), 9 deletions(-)
 create mode 100644 lib/mutant/killer/static.rb

diff --git a/lib/mutant.rb b/lib/mutant.rb
index 82982a4b..da6d82ae 100644
--- a/lib/mutant.rb
+++ b/lib/mutant.rb
@@ -83,6 +83,7 @@ require 'mutant/matcher/method/instance'
 require 'mutant/matcher/method/classifier'
 require 'mutant/matcher/scope_methods'
 require 'mutant/killer'
+require 'mutant/killer/static'
 require 'mutant/killer/rspec'
 require 'mutant/killer/forking'
 require 'mutant/strategy'
diff --git a/lib/mutant/cli.rb b/lib/mutant/cli.rb
index 9b8f8968..776a2af6 100644
--- a/lib/mutant/cli.rb
+++ b/lib/mutant/cli.rb
@@ -83,15 +83,17 @@ module Mutant
   private
 
     OPTIONS = {
-      '--code'        => [:add_filter,           Mutation::Filter::Code ],
-      '-I'            => [:add_load_path                                ],
-      '--include'     => [:add_load_path                                ],
-      '-r'            => [:require_library                              ],
-      '--require'     => [:require_library                              ],
-     #'--killer-fork' => [:enable_killer_fork                           ],
-      '--rspec-unit'  => [:set_strategy,         Strategy::Rspec::Unit  ],
-      '--rspec-full'  => [:set_strategy,         Strategy::Rspec::Full  ],
-      '--rspec-dm2'   => [:set_strategy,         Strategy::Rspec::DM2   ]
+      '--code'               => [:add_filter,           Mutation::Filter::Code    ],
+      '-I'                   => [:add_load_path                                   ],
+      '--include'            => [:add_load_path                                   ],
+      '-r'                   => [:require_library                                 ],
+      '--require'            => [:require_library                                 ],
+     #'--killer-fork'        => [:enable_killer_fork                              ],
+      '--rspec-unit'         => [:set_strategy,         Strategy::Rspec::Unit     ],
+      '--rspec-full'         => [:set_strategy,         Strategy::Rspec::Full     ],
+      '--rspec-dm2'          => [:set_strategy,         Strategy::Rspec::DM2      ],
+      '--static-fail'        => [:set_strategy,         Strategy::Static::Fail    ],
+      '--static-success'     => [:set_strategy,         Strategy::Static::Success ]
     }.deep_freeze
 
     OPTION_PATTERN = %r(\A-(?:-)?[a-zA-Z0-9\-]+\z).freeze
diff --git a/lib/mutant/killer/static.rb b/lib/mutant/killer/static.rb
new file mode 100644
index 00000000..c6cf5c5d
--- /dev/null
+++ b/lib/mutant/killer/static.rb
@@ -0,0 +1,19 @@
+module Mutant
+  class Killer
+    class Static < self
+      def run
+        self.class::RESULT
+      end
+
+      class Success < self
+        TYPE = 'success'.freeze
+        RESULT = true
+      end
+
+      class Fail < self
+        TYPE = 'fail'.freeze
+        RESULT = false
+      end
+    end
+  end
+end
diff --git a/lib/mutant/strategy.rb b/lib/mutant/strategy.rb
index ba60bfba..df4c598b 100644
--- a/lib/mutant/strategy.rb
+++ b/lib/mutant/strategy.rb
@@ -18,6 +18,16 @@ module Mutant
       self::KILLER
     end
 
+    class Static < self
+      class Fail < self
+        KILLER = Killer::Static::Fail
+      end
+
+      class Success < self
+        KILLER = Killer::Static::Success
+      end
+    end
+
     class Rspec < self
       KILLER = Killer::Rspec