ismailmechbal · November 30, 2020 12:44 · Oct 9, 2014 · Dec 11, 2013 · Nov 15, 2013 · Aug 16, 2013
diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -84,7 +84,7 @@
 
     # Associations
     it { expect(profile).to belong_to(:user) }
-    it { expect(wishlist_item.to belong_to(:wishlist).counter_cache }
+    it { expect(wishlist_item).to belong_to(:wishlist).counter_cache }
     it { expect(metric).to belong_to(:analytics_dashboard).touch }
     it { expect(user).to have_one(:profile }
     it { expect(classroom).to have_many(:students) }

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -64,7 +64,7 @@
     it { expect(user).to validate_confirmation_of(:password) }  # Ensure two values match
   end
 
-  describe "ActiveRecord validations" do
+  describe "ActiveRecord associations" do
     # http://guides.rubyonrails.org/association_basics.html
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames 
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -26,7 +26,7 @@
 
   # Lazily loaded to ensure it's only used when it's needed
   # RSpec tip: Try to avoid @instance_variables if possible. They're slow.
-  let(:factory_instance) { create(:factory_you_built) }
+  let(:factory_instance) { build(:factory_you_built) }
 
   describe "ActiveModel validations" do
     # http://guides.rubyonrails.org/active_record_validations.html

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -28,7 +28,7 @@
   # RSpec tip: Try to avoid @instance_variables if possible. They're slow.
   let(:factory_instance) { create(:factory_you_built) }
 
-  describe "AciveModel validations" do
+  describe "ActiveModel validations" do
     # http://guides.rubyonrails.org/active_record_validations.html
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveModel

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -69,7 +69,18 @@
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames 
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord
 
-# Performance tip: stub out as many on create methods as you can when you're testing validations since the test suite will slow down due to having to run them all for each validation check.
+    # Performance tip: stub out as many on create methods as you can when you're testing validations 
+    # since the test suite will slow down due to having to run them all for each validation check.
+    #
+    # For example, assume a User has three methods that fire after one is created, stub them like this:
+    #
+    # before(:each) do
+    #   User.any_instance.stub(:send_welcome_email)
+    #   User.any_instance.stub(:track_new_user_signup)
+    #   User.any_instance.stub(:method_that_takes_ten_seconds_to_complete)
+    # end
+    #
+    # If you performed 5-10 validation checks against a User, that would save a ton of time.
 
     # Associations
     it { expect(profile).to belong_to(:user) }

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -1,4 +1,4 @@
-# This is a template for testing models including examples of validations, callbacks,
+# This is a skeleton for testing models including examples of validations, callbacks,
 # scopes, instance & class methods, associations, and more.
 # Pick and choose what you want, as all models don't NEED to be tested at this depth.
 #
@@ -7,7 +7,7 @@
 #
 # @kyletcarlson
 #
-# This template also assumes you're using the following gems: 
+# This skeleton also assumes you're using the following gems: 
 # 
 # rspec-rails: https://github.com/rspec/rspec-rails
 # Shoulda-matchers: https://github.com/thoughtbot/shoulda-matchers
@@ -69,9 +69,11 @@
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames 
     # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord
 
+# Performance tip: stub out as many on create methods as you can when you're testing validations since the test suite will slow down due to having to run them all for each validation check.
+
     # Associations
     it { expect(profile).to belong_to(:user) }
-    it { expect(wishlist_item).to belong_to(:wishlist).counter_cache }
+    it { expect(wishlist_item.to belong_to(:wishlist).counter_cache }
     it { expect(metric).to belong_to(:analytics_dashboard).touch }
     it { expect(user).to have_one(:profile }
     it { expect(classroom).to have_many(:students) }

diff --git a/rspec_model_testing_template.rb b/rspec_model_testing_template.rb
@@ -71,7 +71,7 @@
 
     # Associations
     it { expect(profile).to belong_to(:user) }
-    it { expect(wishlist_item.to belong_to(:wishlist).counter_cache }
+    it { expect(wishlist_item).to belong_to(:wishlist).counter_cache }
     it { expect(metric).to belong_to(:analytics_dashboard).touch }
     it { expect(user).to have_one(:profile }
     it { expect(classroom).to have_many(:students) }

diff --git a/rspec_model_testing_skeleton.rb → rspec_model_testing_template.rb b/rspec_model_testing_skeleton.rb → rspec_model_testing_template.rb
@@ -1,4 +1,4 @@
-# This is a skeleton for testing models including examples of validations, callbacks,
+# This is a template for testing models including examples of validations, callbacks,
 # scopes, instance & class methods, associations, and more.
 # Pick and choose what you want, as all models don't NEED to be tested at this depth.
 #
@@ -7,7 +7,7 @@
 #
 # @kyletcarlson
 #
-# This skeleton also assumes you're using the following gems: 
+# This template also assumes you're using the following gems: 
 # 
 # rspec-rails: https://github.com/rspec/rspec-rails
 # Shoulda-matchers: https://github.com/thoughtbot/shoulda-matchers

diff --git a/gistfile1.rb → rspec_model_testing_skeleton.rb b/gistfile1.rb → rspec_model_testing_skeleton.rb
diff --git a/gistfile1.rb b/gistfile1.rb
@@ -0,0 +1,158 @@
+# This is a skeleton for testing models including examples of validations, callbacks,
+# scopes, instance & class methods, associations, and more.
+# Pick and choose what you want, as all models don't NEED to be tested at this depth.
+#
+# I'm always eager to hear new tips & suggestions as I'm still new to testing,
+# so if you have any, please share!
+#
+# @kyletcarlson
+#
+# This skeleton also assumes you're using the following gems: 
+# 
+# rspec-rails: https://github.com/rspec/rspec-rails
+# Shoulda-matchers: https://github.com/thoughtbot/shoulda-matchers
+# shoulda-callback-matchers: https://github.com/beatrichartz/shoulda-callback-matchers
+# factory_girl_rails: https://github.com/thoughtbot/factory_girl_rails
+
+require 'spec_helper'
+
+describe Model do
+
+  it "has a valid factory" do
+    # Using the shortened version of FactoryGirl syntax.
+    # Add:  "config.include FactoryGirl::Syntax::Methods" (no quotes) to your spec_helper.rb
+    expect(build(:factory_you_built)).to be_valid
+  end
+
+  # Lazily loaded to ensure it's only used when it's needed
+  # RSpec tip: Try to avoid @instance_variables if possible. They're slow.
+  let(:factory_instance) { create(:factory_you_built) }
+
+  describe "AciveModel validations" do
+    # http://guides.rubyonrails.org/active_record_validations.html
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveModel
+
+    # Basic validations
+    it { expect(bodybuilder).to validate_presence_of(:food).with_message(/you can't get big without your protein!/) }
+    it { expect(developer).to validate_presence_of(:favorite_coffee) }
+    it { expect(meal).to validate_numericality_of(:price) }
+    it { expect(tumblog).to validate_numericality_of(:follower_count).only_integer }
+    it { expect(odd_number).to validate_numericality_of(:value).odd }
+    it { expect(even_number).to validate_numericality_of(:value).even }
+    it { expect(mercedes).to validate_numericality_of(:price).is_greater_than(30000) }
+    it { expect(junked_car).to validate_numericality_of(:price).is_less_than_or_equal_to(500) }
+    it { expect(blog_post).to validate_uniqueness_of(:title) }
+    it { expect(wishlist).to validate_uniqueness_of(:product).scoped_to(:user_id, :wishlist_id).with_message("You can only have an item on your wishlist once.") }
+
+    # Format validations
+    it { expect(user).to allow_value("JSON Vorhees").for(:name) }
+    it { expect(user).to_not allow_value("Java").for(:favorite_programming_language) }
+    it { expect(user).to allow_value("[email protected]").for(:email) }
+    it { expect(user).to_not allow_value("base@example").for(:email) }
+    it { expect(user).to_not allow_value("blah").for(:email) }
+    it { expect(blog).to allow_blank(:connect_to_facebook) }
+    it { expect(blog).to allow_nil(:connect_to_facebook) }
+
+    # Inclusion/acceptance of values
+    it { expect(tumblog).to ensure_inclusion_of(:status).in_array(['draft', 'public', 'queue']) }
+    it { expect(tng_group).to ensure_inclusion_of(:age).in_range(18..35) }
+    it { expect(band).to ensure_length_of(:bio).is_at_least(25).is_at_most(1000) }
+    it { expect(tweet).to ensure_length_of(:content).is_at_most(140) }
+    it { expect(applicant).to ensure_length_of(:ssn).is_equal_to(9) }
+    it { expect(contract).to validate_acceptance_of(:terms) }  # For boolean values
+    it { expect(user).to validate_confirmation_of(:password) }  # Ensure two values match
+  end
+
+  describe "ActiveRecord validations" do
+    # http://guides.rubyonrails.org/association_basics.html
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/frames 
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord
+
+    # Associations
+    it { expect(profile).to belong_to(:user) }
+    it { expect(wishlist_item.to belong_to(:wishlist).counter_cache }
+    it { expect(metric).to belong_to(:analytics_dashboard).touch }
+    it { expect(user).to have_one(:profile }
+    it { expect(classroom).to have_many(:students) }
+    it { expect(initech_corporation).to have_many(:employees).with_foreign_key(:worker_drone_id) }
+    it { expect(article).to have_many(:comments).order(:created_at) }
+    it { expect(user).to have_many(:wishlist_items).through(:wishlist) }
+    it { expect(todo_list).to have_many(:todos).dependent(:destroy) }
+    it { expect(account).to have_many(:billings).dependent(:nullify) }
+    it { expect(product).to have_and_belong_to_many(:descriptors) }
+    it { expect(gallery).to accept_nested_attributes_for(:paintings) }
+
+    # Read-only matcher
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord/HaveReadonlyAttributeMatcher
+    it { expect(asset).to have_readonly_attribute(:uuid) }
+
+    # Databse columns/indexes
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord/HaveDbColumnMatcher
+    it { expect(user).to have_db_column(:political_stance).of_type(:string).with_options(default: 'undecided', null: false)
+    # http://rubydoc.info/github/thoughtbot/shoulda-matchers/master/Shoulda/Matchers/ActiveRecord:have_db_index
+    it { expect(user).to have_db_index(:email).unique(:true)
+  end
+
+  context "callbacks" do
+    # http://guides.rubyonrails.org/active_record_callbacks.html
+    # https://github.com/beatrichartz/shoulda-callback-matchers/wiki
+
+    let(:user) { create(:user) }
+
+    it { expect(user).to callback(:send_welcome_email).after(:create) }
+    it { expect(user).to callback(:track_new_user_signup).after(:create) }
+    it { expect(user).to callback(:make_email_validation_ready!).before(:validation).on(:create) }
+    it { expect(user).to callback(:calculate_some_metrics).after(:save) }
+    it { expect(user).to callback(:update_user_count).before(:destroy) }
+    it { expect(user).to callback(:send_goodbye_email).before(:destroy) }
+  end
+
+  describe "scopes" do
+    # It's a good idea to create specs that test a failing result for each scope, but that's up to you
+    it ".loved returns all votes with a score > 0" do
+      product = create(:product)
+      love_vote = create(:vote, score: 1, product_id: product.id)
+      expect(Vote.loved.first).to eq(love_vote)
+    end
+
+    it "has another scope that works" do
+      expect(model.scope_name(conditions)).to eq(result_expected)
+    end
+  end
+
+  describe "public instance methods" do
+    context "responds to its methods" do
+      it { expect(factory_instance).to respond_to(:public_method_name) }
+      it { expect(factory_instance).to respond_to(:public_method_name) }
+    end
+
+    context "executes methods correctly" do
+      context "#method name" do
+        it "does what it's supposed to..."
+          expect(factory_instance.method_to_test).to eq(value_you_expect)
+        end
+
+        it "does what it's supposed to..."
+          expect(factory_instance.method_to_test).to eq(value_you_expect)
+        end
+      end
+    end
+  end
+
+  describe "public class methods" do
+    context "responds to its methods" do
+      it { expect(factory_instance).to respond_to(:public_method_name) }
+      it { expect(factory_instance).to respond_to(:public_method_name) }
+    end
+
+    context "executes methods correctly" do
+      context "self.method name" do
+        it "does what it's supposed to..."
+          expect(factory_instance.method_to_test).to eq(value_you_expect)
+        end
+      end
+    end
+  end
+
+end