Add mutations for super

Changelog.md

@@ -1,4 +1,4 @@
-# v0.2.9 2013-01-01
+# v0.2.9 2013-01-02
 
 * [feature] Mutate instance and global variable assignments
 * [feature] Mutate super calls

lib/mutant/mutator/node/noop.rb

@@ -37,6 +37,8 @@ module Mutant
         handle(Rubinius::AST::OpAssign1)
         handle(Rubinius::AST::ConstantAccess)
         handle(Rubinius::AST::Yield)
+        handle(Rubinius::AST::Begin)
+        handle(Rubinius::AST::Rescue)
       
       private
 

lib/mutant/mutator/node/super.rb

@@ -31,7 +31,21 @@ module Mutant
         #
         def dispatch
           emit_node(Rubinius::AST::ZSuper)
-          emit_attribute_mutations(:arguments)
+          emit_without_block
+          emit_attribute_mutations(:block) if node.block
+          emit_attribute_mutations(:arguments) 
+        end
+
+        # Emit without block mutation
+        #
+        # @return [undefined]
+        #
+        # @api private
+        #
+        def emit_without_block
+          dup = dup_node
+          dup.block = nil
+          emit(dup)
         end
       end
     end

mutant.gemspec

@@ -15,7 +15,7 @@ Gem::Specification.new do |gem|
   gem.extra_rdoc_files = %w[TODO LICENSE]
   gem.executables       = [ 'mutant' ]
 
-  gem.add_runtime_dependency('to_source',           '~> 0.2.6')
+  gem.add_runtime_dependency('to_source',           '~> 0.2.7')
   gem.add_runtime_dependency('ice_nine',            '~> 0.6.0')
   gem.add_runtime_dependency('descendants_tracker', '~> 0.0.1')
   gem.add_runtime_dependency('backports',           '~> 2.6')

spec/unit/mutant/mutator/node/super/mutation_spec.rb

@@ -2,7 +2,7 @@ require 'spec_helper'
 
 describe Mutant::Mutator, 'super' do
 
-  context 'super no arguments' do
+  context 'with no arguments' do
     let(:source) { 'super' }
 
     let(:mutations) do
@@ -13,7 +13,7 @@ describe Mutant::Mutator, 'super' do
     it_should_behave_like 'a mutator'
   end
 
-  context 'super with explicit empty arguments' do
+  context 'with explicit empty arguments' do
     let(:source) { 'super()' }
 
     let(:mutations) do
@@ -24,6 +24,21 @@ describe Mutant::Mutator, 'super' do
     it_should_behave_like 'a mutator'
   end
 
+  context 'with explicit empty arguments and block' do
+    let(:source) { 'super() { foo; bar }' }
+
+    let(:mutations) do
+      mutations = []
+      mutations << 'super() { foo }'
+      mutations << 'super() { bar }'
+      mutations << 'super() { }'
+      mutations << 'super()'
+      mutations << 'super'
+    end
+
+    it_should_behave_like 'a mutator'
+  end
+
   context 'super with arguments' do
     let(:source) { 'super(foo, bar)' }
 
@@ -37,4 +52,22 @@ describe Mutant::Mutator, 'super' do
 
     it_should_behave_like 'a mutator'
   end
+
+  context 'super with arguments and block' do
+    let(:source) { 'super(foo, bar) { foo; bar }' }
+
+    let(:mutations) do
+      mutations = []
+      mutations << 'super(foo, bar) { foo; }'
+      mutations << 'super(foo, bar) { bar; }'
+      mutations << 'super(foo, bar) { nil }'
+      mutations << 'super(foo, bar)'
+      mutations << 'super'
+      mutations << 'super(foo) { foo; bar }'
+      mutations << 'super(bar) { foo; bar }'
+      mutations << 'super() { foo; bar }'
+    end
+
+    it_should_behave_like 'a mutator'
+  end
 end