Move framework integration into own behavior

spec/integration/mutant/rspec_spec.rb

@@ -2,57 +2,21 @@ RSpec.describe 'rspec integration', mutant: false do
 
   let(:base_cmd) { 'bundle exec mutant -I lib --require test_app --use rspec' }
 
-  shared_examples_for 'rspec integration' do
-    around do |example|
-      Bundler.with_clean_env do
-        Dir.chdir(TestApp.root) do
-          Kernel.system("bundle install --gemfile=#{gemfile}") || fail('Bundle install failed!')
-          ENV['BUNDLE_GEMFILE'] = gemfile
-          example.run
-        end
-      end
-    end
-
-    specify 'it allows to kill mutations' do
-      expect(Kernel.system("#{base_cmd} TestApp::Literal#string")).to be(true)
-    end
-
-    specify 'it allows to exclude mutations' do
-      cli = <<-CMD.split("\n").join(' ')
-        #{base_cmd}
-        TestApp::Literal#string
-        TestApp::Literal#uncovered_string
-          --ignore-subject TestApp::Literal#uncovered_string
-      CMD
-      expect(Kernel.system(cli)).to be(true)
-    end
-
-    specify 'fails to kill mutations when they are not covered' do
-      cli = "#{base_cmd} TestApp::Literal#uncovered_string"
-      expect(Kernel.system(cli)).to be(false)
-    end
-
-    specify 'fails when some mutations are not covered' do
-      cli = "#{base_cmd} TestApp::Literal"
-      expect(Kernel.system(cli)).to be(false)
-    end
-  end
-
   context 'RSpec 3.0' do
     let(:gemfile) { 'Gemfile.rspec3.0' }
 
-    it_behaves_like 'rspec integration'
+    it_behaves_like 'framework integration'
   end
 
   context 'RSpec 3.1' do
     let(:gemfile) { 'Gemfile.rspec3.1' }
 
-    it_behaves_like 'rspec integration'
+    it_behaves_like 'framework integration'
   end
 
   context 'RSpec 3.2' do
     let(:gemfile) { 'Gemfile.rspec3.2' }
 
-    it_behaves_like 'rspec integration'
+    it_behaves_like 'framework integration'
   end
 end

spec/shared/framework_integration_behavior.rb

@@ -0,0 +1,35 @@
+RSpec.shared_examples_for 'framework integration' do
+  around do |example|
+    Bundler.with_clean_env do
+      Dir.chdir(TestApp.root) do
+        Kernel.system("bundle install --gemfile=#{gemfile}") || fail('Bundle install failed!')
+        ENV['BUNDLE_GEMFILE'] = gemfile
+        example.run
+      end
+    end
+  end
+
+  specify 'it allows to kill mutations' do
+    expect(Kernel.system("#{base_cmd} TestApp::Literal#string")).to be(true)
+  end
+
+  specify 'it allows to exclude mutations' do
+    cli = <<-CMD.split("\n").join(' ')
+      #{base_cmd}
+      TestApp::Literal#string
+      TestApp::Literal#uncovered_string
+        --ignore-subject TestApp::Literal#uncovered_string
+    CMD
+    expect(Kernel.system(cli)).to be(true)
+  end
+
+  specify 'fails to kill mutations when they are not covered' do
+    cli = "#{base_cmd} TestApp::Literal#uncovered_string"
+    expect(Kernel.system(cli)).to be(false)
+  end
+
+  specify 'fails when some mutations are not covered' do
+    cli = "#{base_cmd} TestApp::Literal"
+    expect(Kernel.system(cli)).to be(false)
+  end
+end