Set up ActionDispatch integration tests

Author: jas14

spec/integration/rails/action_dispatch_spec.rb

@@ -0,0 +1,21 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Integration with ActionDispatch', type: :integration, action_dispatch: true do
+  context "when using 'super_diff/rspec-rails'" do
+    include_context 'integration with ActionDispatch'
+
+    def make_program(test, color_enabled:)
+      make_rspec_rails_test_program(test, color_enabled: color_enabled)
+    end
+  end
+
+  context "when using 'super_diff/action_dispatch'" do
+    include_context 'integration with ActionDispatch'
+
+    def make_program(test, color_enabled:)
+      make_rspec_action_dispatch_program(test, color_enabled: color_enabled)
+    end
+  end
+end

spec/support/integration/helpers.rb

@@ -30,6 +30,10 @@ def make_rspec_active_support_program(test, color_enabled:)
       TestPrograms::RSpecActiveSupport.new(test, color_enabled: color_enabled)
     end
 
+    def make_rspec_action_dispatch_program(test, color_enabled:)
+      TestPrograms::RSpecActionDispatch.new(test, color_enabled: color_enabled)
+    end
+
     def make_rspec_rails_test_program(test, color_enabled:)
       TestPrograms::RSpecRails.new(test, color_enabled: color_enabled)
     end

spec/support/integration/test_programs/rspec_action_dispatch.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+module SuperDiff
+  module IntegrationTests
+    module TestPrograms
+      class RSpecActionDispatch < Base
+        protected
+
+        def test_plan_prelude
+          <<~PRELUDE.strip
+            test_plan.boot
+            test_plan.boot_action_dispatch
+          PRELUDE
+        end
+
+        def test_plan_command
+          'run_rspec_action_dispatch_test'
+        end
+      end
+    end
+  end
+end

spec/support/shared_examples/action_dispatch.rb

@@ -0,0 +1,4 @@
+# frozen_string_literal: true
+
+shared_examples_for 'integration with ActionDispatch' do
+end

support/test_plan.rb

@@ -62,7 +62,14 @@ def boot_active_support
     require 'active_support/core_ext/hash/indifferent_access'
   rescue LoadError => e
     # active_support may not be in the Gemfile, so that's okay
-    puts "Error in TestPlan#boot_active_support: #{e.message}"
+    puts "Error in TestPlan##{__method__}: #{e.message}"
+  end
+
+  def boot_action_dispatch
+    require 'action_dispatch'
+  rescue LoadError => e
+    # action_dispatch may not be in the Gemfile, so that's okay
+    puts "Error in TestPlan##{__method__}: #{e.message}"
   end
 
   def boot_active_record
@@ -86,7 +93,7 @@ def boot_active_record
       .each { |path| require path }
   rescue LoadError => e
     # active_record may not be in the Gemfile, so that's okay
-    puts "Error in TestPlan#boot_active_record: #{e.message}"
+    puts "Error in TestPlan##{__method__}: #{e.message}"
   end
 
   def boot_rails
@@ -113,6 +120,10 @@ def run_rspec_active_record_test
     run_test_with_libraries('super_diff/rspec', 'super_diff/active_record')
   end
 
+  def run_rspec_action_dispatch_test
+    run_test_with_libraries('super_diff/rspec', 'super_diff/action_dispatch')
+  end
+
   def run_rspec_rails_test
     run_test_with_libraries('super_diff/rspec-rails')
   end