Use autoloading instead of requiring all files up front

lib/shoulda/matchers.rb

@@ -1,21 +1,22 @@
 require 'shoulda/matchers/configuration'
-require 'shoulda/matchers/doublespeak'
-require 'shoulda/matchers/error'
-require 'shoulda/matchers/independent'
-require 'shoulda/matchers/integrations'
-require 'shoulda/matchers/matcher_context'
-require 'shoulda/matchers/rails_shim'
-require 'shoulda/matchers/util'
 require 'shoulda/matchers/version'
 require 'shoulda/matchers/warn'
 
-require 'shoulda/matchers/action_controller'
-require 'shoulda/matchers/active_model'
-require 'shoulda/matchers/active_record'
-require 'shoulda/matchers/routing'
-
 module Shoulda
   module Matchers
+    autoload :ActionController, 'shoulda/matchers/action_controller'
+    autoload :ActiveModel, 'shoulda/matchers/active_model'
+    autoload :ActiveRecord, 'shoulda/matchers/active_record'
+    autoload :Doublespeak, 'shoulda/matchers/doublespeak'
+    autoload :Error, 'shoulda/matchers/error'
+    autoload :Independent, 'shoulda/matchers/independent'
+    autoload :Integrations, 'shoulda/matchers/integrations'
+    autoload :MatcherContext, 'shoulda/matchers/matcher_context'
+    autoload :RailsShim, 'shoulda/matchers/rails_shim'
+    autoload :Routing, 'shoulda/matchers/routing'
+    autoload :Util, 'shoulda/matchers/util'
+    autoload :WordWrap, 'shoulda/matchers/util/word_wrap'
+
     class << self
       # @private
       attr_accessor :assertion_exception_class

lib/shoulda/matchers/action_controller.rb

@@ -1,24 +1,24 @@
-require 'shoulda/matchers/action_controller/filter_param_matcher'
-require 'shoulda/matchers/action_controller/route_params'
-require 'shoulda/matchers/action_controller/set_flash_matcher'
-require 'shoulda/matchers/action_controller/render_with_layout_matcher'
 require 'shoulda/matchers/action_controller/respond_with_matcher'
-require 'shoulda/matchers/action_controller/set_session_matcher'
 require 'shoulda/matchers/action_controller/route_matcher'
-require 'shoulda/matchers/action_controller/redirect_to_matcher'
-require 'shoulda/matchers/action_controller/render_template_matcher'
-require 'shoulda/matchers/action_controller/rescue_from_matcher'
-require 'shoulda/matchers/action_controller/callback_matcher'
-require 'shoulda/matchers/action_controller/permit_matcher'
-require 'shoulda/matchers/action_controller/set_session_or_flash_matcher'
-require 'shoulda/matchers/action_controller/flash_store'
-require 'shoulda/matchers/action_controller/session_store'
 
 module Shoulda
   module Matchers
     # This module provides matchers that are used to test behavior within
     # controllers.
     module ActionController
+      autoload :CallbackMatcher, 'shoulda/matchers/action_controller/callback_matcher'
+      autoload :FlashStore, 'shoulda/matchers/action_controller/flash_store'
+      autoload :FilterParamMatcher, 'shoulda/matchers/action_controller/filter_param_matcher'
+      autoload :PermitMatcher, 'shoulda/matchers/action_controller/permit_matcher'
+      autoload :RedirectToMatcher, 'shoulda/matchers/action_controller/redirect_to_matcher'
+      autoload :RenderTemplateMatcher, 'shoulda/matchers/action_controller/render_template_matcher'
+      autoload :RenderWithLayoutMatcher, 'shoulda/matchers/action_controller/render_with_layout_matcher'
+      autoload :RescueFromMatcher, 'shoulda/matchers/action_controller/rescue_from_matcher'
+      autoload :RouteParams, 'shoulda/matchers/action_controller/route_params'
+      autoload :SessionStore, 'shoulda/matchers/action_controller/session_store'
+      autoload :SetFlashMatcher, 'shoulda/matchers/action_controller/set_flash_matcher'
+      autoload :SetSessionMatcher, 'shoulda/matchers/action_controller/set_session_matcher'
+      autoload :SetSessionOrFlashMatcher, 'shoulda/matchers/action_controller/set_session_or_flash_matcher'
     end
   end
 end

lib/shoulda/matchers/active_model.rb

@@ -1,34 +1,9 @@
+require 'shoulda/matchers/active_model/allow_mass_assignment_of_matcher'
 require 'shoulda/matchers/active_model/helpers'
 require 'shoulda/matchers/active_model/qualifiers'
 require 'shoulda/matchers/active_model/validation_matcher'
-require 'shoulda/matchers/active_model/validation_matcher/build_description'
-require 'shoulda/matchers/active_model/validator'
-require 'shoulda/matchers/active_model/allow_value_matcher'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_changed_value_error'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_does_not_exist_error'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_setter'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_setter_and_validator'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_setters'
-require 'shoulda/matchers/active_model/allow_value_matcher/attribute_setters_and_validators'
-require 'shoulda/matchers/active_model/allow_value_matcher/successful_check'
-require 'shoulda/matchers/active_model/allow_value_matcher/successful_setting'
-require 'shoulda/matchers/active_model/disallow_value_matcher'
-require 'shoulda/matchers/active_model/validate_length_of_matcher'
-require 'shoulda/matchers/active_model/validate_inclusion_of_matcher'
-require 'shoulda/matchers/active_model/validate_exclusion_of_matcher'
 require 'shoulda/matchers/active_model/validate_absence_of_matcher'
 require 'shoulda/matchers/active_model/validate_presence_of_matcher'
-require 'shoulda/matchers/active_model/validate_acceptance_of_matcher'
-require 'shoulda/matchers/active_model/validate_confirmation_of_matcher'
-require 'shoulda/matchers/active_model/validate_numericality_of_matcher'
-require 'shoulda/matchers/active_model/numericality_matchers/numeric_type_matcher'
-require 'shoulda/matchers/active_model/numericality_matchers/comparison_matcher'
-require 'shoulda/matchers/active_model/numericality_matchers/odd_number_matcher'
-require 'shoulda/matchers/active_model/numericality_matchers/even_number_matcher'
-require 'shoulda/matchers/active_model/numericality_matchers/only_integer_matcher'
-require 'shoulda/matchers/active_model/allow_mass_assignment_of_matcher'
-require 'shoulda/matchers/active_model/errors'
-require 'shoulda/matchers/active_model/have_secure_password_matcher'
 
 module Shoulda
   module Matchers
@@ -89,6 +64,20 @@ module Matchers
     #     end
     #
     module ActiveModel
+      autoload :AllowValueMatcher, 'shoulda/matchers/active_model/allow_value_matcher'
+      autoload :CouldNotDetermineValueOutsideOfArray, 'shoulda/matchers/active_model/errors'
+      autoload :CouldNotSetPasswordError, 'shoulda/matchers/active_model/errors'
+      autoload :DisallowValueMatcher, 'shoulda/matchers/active_model/disallow_value_matcher'
+      autoload :HaveSecurePasswordMatcher, 'shoulda/matchers/active_model/have_secure_password_matcher'
+      autoload :NonNullableBooleanError, 'shoulda/matchers/active_model/errors'
+      autoload :NumericalityMatchers, 'shoulda/matchers/active_model/numericality_matchers'
+      autoload :ValidateAcceptanceOfMatcher, 'shoulda/matchers/active_model/validate_acceptance_of_matcher'
+      autoload :ValidateConfirmationOfMatcher, 'shoulda/matchers/active_model/validate_confirmation_of_matcher'
+      autoload :ValidateExclusionOfMatcher, 'shoulda/matchers/active_model/validate_exclusion_of_matcher'
+      autoload :ValidateInclusionOfMatcher, 'shoulda/matchers/active_model/validate_inclusion_of_matcher'
+      autoload :ValidateLengthOfMatcher, 'shoulda/matchers/active_model/validate_length_of_matcher'
+      autoload :ValidateNumericalityOfMatcher, 'shoulda/matchers/active_model/validate_numericality_of_matcher'
+      autoload :Validator, 'shoulda/matchers/active_model/validator'
     end
   end
 end

lib/shoulda/matchers/active_model/allow_value_matcher.rb

@@ -305,6 +305,15 @@ def allow_value(*values)
 
       # @private
       class AllowValueMatcher
+        autoload :AttributeChangedValueError, 'shoulda/matchers/active_model/allow_value_matcher/attribute_changed_value_error'
+        autoload :AttributeDoesNotExistError, 'shoulda/matchers/active_model/allow_value_matcher/attribute_does_not_exist_error'
+        autoload :AttributeSetter,  'shoulda/matchers/active_model/allow_value_matcher/attribute_setter'
+        autoload :AttributeSetterAndValidator, 'shoulda/matchers/active_model/allow_value_matcher/attribute_setter_and_validator'
+        autoload :AttributeSetters, 'shoulda/matchers/active_model/allow_value_matcher/attribute_setters'
+        autoload :AttributeSettersAndValidators, 'shoulda/matchers/active_model/allow_value_matcher/attribute_setters_and_validators'
+        autoload :SuccessfulCheck, 'shoulda/matchers/active_model/allow_value_matcher/successful_check'
+        autoload :SuccessfulSetting, 'shoulda/matchers/active_model/allow_value_matcher/successful_setting'
+
         include Helpers
         include Qualifiers::IgnoringInterferenceByWriter
 

lib/shoulda/matchers/active_model/numericality_matchers.rb

@@ -3,6 +3,11 @@ module Matchers
     module ActiveModel
       # @private
       module NumericalityMatchers
+        autoload :ComparisonMatcher,  'shoulda/matchers/active_model/numericality_matchers/comparison_matcher'
+        autoload :EvenNumberMatcher,  'shoulda/matchers/active_model/numericality_matchers/even_number_matcher'
+        autoload :NumericTypeMatcher, 'shoulda/matchers/active_model/numericality_matchers/numeric_type_matcher'
+        autoload :OddNumberMatcher,   'shoulda/matchers/active_model/numericality_matchers/odd_number_matcher'
+        autoload :OnlyIntegerMatcher, 'shoulda/matchers/active_model/numericality_matchers/only_integer_matcher'
       end
     end
   end

lib/shoulda/matchers/active_model/validation_matcher.rb

@@ -3,6 +3,8 @@ module Matchers
     module ActiveModel
       # @private
       class ValidationMatcher
+        autoload :BuildDescription, 'shoulda/matchers/active_model/validation_matcher/build_description'
+
         include Qualifiers::IgnoringInterferenceByWriter
 
         def initialize(attribute)

lib/shoulda/matchers/active_record.rb

@@ -1,35 +1,23 @@
-require "shoulda/matchers/active_record/association_matcher"
-require "shoulda/matchers/active_record/association_matchers"
-require "shoulda/matchers/active_record/association_matchers/counter_cache_matcher"
-require "shoulda/matchers/active_record/association_matchers/inverse_of_matcher"
-require "shoulda/matchers/active_record/association_matchers/join_table_matcher"
-require "shoulda/matchers/active_record/association_matchers/order_matcher"
-require "shoulda/matchers/active_record/association_matchers/through_matcher"
-require "shoulda/matchers/active_record/association_matchers/dependent_matcher"
-require "shoulda/matchers/active_record/association_matchers/required_matcher"
-require "shoulda/matchers/active_record/association_matchers/optional_matcher"
-require "shoulda/matchers/active_record/association_matchers/source_matcher"
-require "shoulda/matchers/active_record/association_matchers/model_reflector"
-require "shoulda/matchers/active_record/association_matchers/model_reflection"
-require "shoulda/matchers/active_record/association_matchers/option_verifier"
-require "shoulda/matchers/active_record/have_db_column_matcher"
-require "shoulda/matchers/active_record/have_db_index_matcher"
-require "shoulda/matchers/active_record/have_implicit_order_column"
-require "shoulda/matchers/active_record/have_readonly_attribute_matcher"
-require "shoulda/matchers/active_record/have_rich_text_matcher"
-require "shoulda/matchers/active_record/have_secure_token_matcher"
-require "shoulda/matchers/active_record/serialize_matcher"
-require "shoulda/matchers/active_record/accept_nested_attributes_for_matcher"
-require "shoulda/matchers/active_record/define_enum_for_matcher"
-require "shoulda/matchers/active_record/uniqueness"
 require "shoulda/matchers/active_record/validate_uniqueness_of_matcher"
-require "shoulda/matchers/active_record/have_attached_matcher"
 
 module Shoulda
   module Matchers
     # This module provides matchers that are used to test behavior within
     # ActiveRecord classes.
     module ActiveRecord
+      autoload :AcceptNestedAttributesForMatcher, 'shoulda/matchers/active_record/accept_nested_attributes_for_matcher'
+      autoload :AssociationMatcher, 'shoulda/matchers/active_record/association_matcher'
+      autoload :AssociationMatchers, 'shoulda/matchers/active_record/association_matchers'
+      autoload :DefineEnumForMatcher, 'shoulda/matchers/active_record/define_enum_for_matcher'
+      autoload :HaveAttachedMatcher, 'shoulda/matchers/active_record/have_attached_matcher'
+      autoload :HaveDbColumnMatcher, 'shoulda/matchers/active_record/have_db_column_matcher'
+      autoload :HaveDbIndexMatcher, 'shoulda/matchers/active_record/have_db_index_matcher'
+      autoload :HaveImplicitOrderColumnMatcher, 'shoulda/matchers/active_record/have_implicit_order_column'
+      autoload :HaveReadonlyAttributeMatcher, 'shoulda/matchers/active_record/have_readonly_attribute_matcher'
+      autoload :HaveRichText, 'shoulda/matchers/active_record/have_rich_text_matcher'
+      autoload :HaveSecureTokenMatcher, 'shoulda/matchers/active_record/have_secure_token_matcher'
+      autoload :SerializeMatcher, 'shoulda/matchers/active_record/serialize_matcher'
+      autoload :Uniqueness, 'shoulda/matchers/active_record/uniqueness'
     end
   end
 end

lib/shoulda/matchers/active_record/association_matchers.rb

@@ -3,6 +3,18 @@ module Matchers
     module ActiveRecord
       # @private
       module AssociationMatchers
+        autoload :CounterCacheMatcher, 'shoulda/matchers/active_record/association_matchers/counter_cache_matcher'
+        autoload :InverseOfMatcher, 'shoulda/matchers/active_record/association_matchers/inverse_of_matcher'
+        autoload :JoinTableMatcher, 'shoulda/matchers/active_record/association_matchers/join_table_matcher'
+        autoload :OrderMatcher, 'shoulda/matchers/active_record/association_matchers/order_matcher'
+        autoload :ThroughMatcher, 'shoulda/matchers/active_record/association_matchers/through_matcher'
+        autoload :DependentMatcher, 'shoulda/matchers/active_record/association_matchers/dependent_matcher'
+        autoload :RequiredMatcher, 'shoulda/matchers/active_record/association_matchers/required_matcher'
+        autoload :OptionalMatcher, 'shoulda/matchers/active_record/association_matchers/optional_matcher'
+        autoload :SourceMatcher, 'shoulda/matchers/active_record/association_matchers/source_matcher'
+        autoload :ModelReflector, 'shoulda/matchers/active_record/association_matchers/model_reflector'
+        autoload :ModelReflection, 'shoulda/matchers/active_record/association_matchers/model_reflection'
+        autoload :OptionVerifier, 'shoulda/matchers/active_record/association_matchers/option_verifier'
       end
     end
   end

lib/shoulda/matchers/active_record/uniqueness.rb

@@ -1,14 +1,14 @@
 module Shoulda
   module Matchers
-    module ActiveModel
+    module ActiveRecord
       # @private
       module Uniqueness
+        autoload :Model, 'shoulda/matchers/active_record/uniqueness/model'
+        autoload :Namespace, 'shoulda/matchers/active_record/uniqueness/namespace'
+        autoload :TestModelCreator, 'shoulda/matchers/active_record/uniqueness/test_model_creator'
+        autoload :TestModels, 'shoulda/matchers/active_record/uniqueness/test_models'
       end
     end
   end
 end
 
-require 'shoulda/matchers/active_record/uniqueness/model'
-require 'shoulda/matchers/active_record/uniqueness/namespace'
-require 'shoulda/matchers/active_record/uniqueness/test_model_creator'
-require 'shoulda/matchers/active_record/uniqueness/test_models'

lib/shoulda/matchers/doublespeak.rb

@@ -4,6 +4,14 @@ module Shoulda
   module Matchers
     # @private
     module Doublespeak
+      autoload :Double, 'shoulda/matchers/doublespeak/double'
+      autoload :DoubleCollection, 'shoulda/matchers/doublespeak/double_collection'
+      autoload :DoubleImplementationRegistry, 'shoulda/matchers/doublespeak/double_implementation_registry'
+      autoload :MethodCall, 'shoulda/matchers/doublespeak/method_call'
+      autoload :ObjectDouble, 'shoulda/matchers/doublespeak/object_double'
+      autoload :ProxyImplementation, 'shoulda/matchers/doublespeak/proxy_implementation'
+      autoload :World, 'shoulda/matchers/doublespeak/world'
+
       class << self
         extend Forwardable
 
@@ -28,11 +36,4 @@ def debug(&block)
   end
 end
 
-require 'shoulda/matchers/doublespeak/double'
-require 'shoulda/matchers/doublespeak/double_collection'
-require 'shoulda/matchers/doublespeak/double_implementation_registry'
-require 'shoulda/matchers/doublespeak/method_call'
-require 'shoulda/matchers/doublespeak/object_double'
-require 'shoulda/matchers/doublespeak/proxy_implementation'
 require 'shoulda/matchers/doublespeak/stub_implementation'
-require 'shoulda/matchers/doublespeak/world'

lib/shoulda/matchers/independent.rb

@@ -1,5 +1,4 @@
 require 'shoulda/matchers/independent/delegate_method_matcher'
-require 'shoulda/matchers/independent/delegate_method_matcher/target_not_defined_error'
 
 module Shoulda
   module Matchers

lib/shoulda/matchers/independent/delegate_method_matcher.rb

@@ -176,6 +176,9 @@ def delegate_method(delegating_method)
 
       # @private
       class DelegateMethodMatcher
+        autoload :StubbedTarget, 'shoulda/matchers/independent/delegate_method_matcher/stubbed_target'
+        autoload :DelegateObjectNotSpecified, 'shoulda/matchers/independent/delegate_method_matcher/target_not_defined_error'
+
         def initialize(delegating_method)
           @delegating_method = delegating_method
 

lib/shoulda/matchers/integrations.rb

@@ -2,6 +2,12 @@ module Shoulda
   module Matchers
     # @private
     module Integrations
+      autoload :Configuration, 'shoulda/matchers/integrations/configuration'
+      autoload :ConfigurationError, 'shoulda/matchers/integrations/configuration_error'
+      autoload :Inclusion, 'shoulda/matchers/integrations/inclusion'
+      autoload :Rails, 'shoulda/matchers/integrations/rails'
+      autoload :Registry, 'shoulda/matchers/integrations/registry'
+
       class << self
         def register_library(klass, name)
           library_registry.register(klass, name)
@@ -33,11 +39,5 @@ def test_framework_registry
   end
 end
 
-require 'shoulda/matchers/integrations/configuration'
-require 'shoulda/matchers/integrations/configuration_error'
-require 'shoulda/matchers/integrations/inclusion'
-require 'shoulda/matchers/integrations/rails'
-require 'shoulda/matchers/integrations/registry'
-
 require 'shoulda/matchers/integrations/libraries'
 require 'shoulda/matchers/integrations/test_frameworks'

lib/shoulda/matchers/integrations/test_frameworks.rb

@@ -1,15 +1,17 @@
-require 'shoulda/matchers/integrations/test_frameworks/active_support_test_case'
 require 'shoulda/matchers/integrations/test_frameworks/minitest_4'
 require 'shoulda/matchers/integrations/test_frameworks/minitest_5'
 require 'shoulda/matchers/integrations/test_frameworks/missing_test_framework'
 require 'shoulda/matchers/integrations/test_frameworks/rspec'
-require 'shoulda/matchers/integrations/test_frameworks/test_unit'
 
 module Shoulda
   module Matchers
     module Integrations
       # @private
       module TestFrameworks
+        autoload :ActiveSupportTestCase, 'shoulda/matchers/integrations/test_frameworks/active_support_test_case'
+        autoload :Minitest4, 'shoulda/matchers/integrations/test_frameworks/minitest_4'
+        autoload :Minitest5, 'shoulda/matchers/integrations/test_frameworks/minitest_5'
+        autoload :TestUnit, 'shoulda/matchers/integrations/test_frameworks/test_unit'
       end
     end
   end

lib/shoulda/matchers/util.rb

@@ -1,5 +1,3 @@
-require 'shoulda/matchers/util/word_wrap'
-
 module Shoulda
   module Matchers
     # @private