Add the feature

.gitignore

@@ -17,3 +17,4 @@ test/version_tmp
 tmp
 capybara-*.html
 Gemfile.lock
+tags

features/fail_fast.feature

@@ -0,0 +1,10 @@
+Feature: Fail fast option
+  In order to save running time
+  As a developer
+  I want spinach to fail fast when I so desire
+
+  Scenario: fail fast
+    Given I have a feature that has a failure
+    Given I have a feature that has no error or failure
+    When I run both of them with fail-fast option
+    Then the tests stop at the first one

features/steps/exit_status.rb

@@ -5,36 +5,11 @@ class ExitStatus < Spinach::FeatureSteps
   include Integration::SpinachRunner
 
   Given "I have a feature that has no error or failure" do
-    write_file('features/success_feature.feature', """
-Feature: A success feature
-
-  Scenario: This is scenario will succeed
-    Then I succeed
-""")
-    write_file('features/steps/success_feature.rb',
-    'class ASuccessFeature < Spinach::FeatureSteps
-      feature "A success feature"
-      Then "I succeed" do
-      end
-     end')
-    @feature = "features/success_feature.feature"
+    @feature = Integration::FeatureGenerator.success_feature
   end
 
   Given "I have a feature that has a failure" do
-    write_file('features/failure_feature.feature', """
-Feature: A failure feature
-
-  Scenario: This is scenario will fail
-    Then I fail
-""")
-    write_file('features/steps/failure_feature.rb',
-    'class AFailureFeature < Spinach::FeatureSteps
-      feature "A failure feature"
-      Then "I fail" do
-        true.must_equal false
-      end
-     end')
-    @feature = "features/failure_feature.feature"
+    @feature = Integration::FeatureGenerator.failure_feature
   end
 
   When "I run it" do

features/steps/fail_fast_option.rb

@@ -0,0 +1,21 @@
+class Spinach::Features::FailFastOption < Spinach::FeatureSteps
+  include Integration::SpinachRunner
+
+  step 'I have a feature that has a failure' do
+    @features ||= []
+    @features << Integration::FeatureGenerator.failure_feature
+  end
+
+  step 'I have a feature that has no error or failure' do
+    @features ||= []
+    @features << Integration::FeatureGenerator.success_feature
+  end
+
+  step 'I run both of them with fail-fast option' do
+    run_feature @features.join(" "), append: '--fail-fast'
+  end
+
+  step 'the tests stop at the first one' do
+    @stdout.must_match("(0) Successful")
+  end
+end

features/support/feature_generator.rb

@@ -0,0 +1,41 @@
+module Integration
+  class FeatureGenerator
+    class << self
+      include Filesystem
+
+      def success_feature
+        write_file('features/success_feature.feature', """
+Feature: A success feature
+
+  Scenario: This is scenario will succeed
+    Then I succeed
+                   """)
+        write_file('features/steps/success_feature.rb',
+                   'class ASuccessFeature < Spinach::FeatureSteps
+      feature "A success feature"
+      Then "I succeed" do
+      end
+     end')
+        "features/success_feature.feature"
+
+      end
+
+      def failure_feature
+        write_file('features/failure_feature.feature', """
+Feature: A failure feature
+
+  Scenario: This is scenario will fail
+    Then I fail
+                   """)
+        write_file('features/steps/failure_feature.rb',
+                   'class AFailureFeature < Spinach::FeatureSteps
+      feature "A failure feature"
+      Then "I fail" do
+        true.must_equal false
+      end
+     end')
+        "features/failure_feature.feature"
+      end
+    end
+  end
+end