Merge pull request #217 from seand7565/update_specs

Update specs to conform with rubocop

35 files changed, 145 insertions, 138 deletions

diff --git a/.rubocop_todo.yml b/.rubocop_todo.yml
index 4edc2f5..195ab44 100644
--- a/.rubocop_todo.yml
+++ b/.rubocop_todo.yml
@@ -6,12 +6,6 @@
 # Note that changes in the inspected code, or installation of new
 # versions of RuboCop, may require this file to be generated again.
 
-# Offense count: 3
-Lint/AmbiguousBlockAssociation:
-  Exclude:
-    - 'spec/controllers/spree/admin/subscriptions_controller_spec.rb'
-    - 'spec/services/solidus_subscriptions/checkout_spec.rb'
-
 # Offense count: 1
 Lint/MissingSuper:
   Exclude:
@@ -24,69 +18,10 @@ Naming/MemoizedInstanceVariableName:
   Exclude:
     - 'lib/solidus_subscriptions/processor.rb'
 
-# Offense count: 1
-RSpec/AnyInstance:
-  Exclude:
-    - 'spec/jobs/solidus_subscriptions/process_installments_job_spec.rb'
-
-# Offense count: 46
-# Configuration parameters: Prefixes.
-# Prefixes: when, with, without
-RSpec/ContextWording:
-  Exclude:
-    - 'spec/controllers/solidus_subscriptions/api/v1/line_items_controller_spec.rb'
-    - 'spec/controllers/spree/admin/subscriptions_controller_spec.rb'
-    - 'spec/lib/solidus_subscriptions/ability_spec.rb'
-    - 'spec/lib/solidus_subscriptions/processor_spec.rb'
-    - 'spec/models/solidus_subscriptions/installment_detail_spec.rb'
-    - 'spec/models/solidus_subscriptions/installment_spec.rb'
-    - 'spec/models/solidus_subscriptions/line_item_spec.rb'
-    - 'spec/models/solidus_subscriptions/subscription_spec.rb'
-    - 'spec/services/solidus_subscriptions/checkout_spec.rb'
-    - 'spec/services/solidus_subscriptions/line_item_builder_spec.rb'
-    - 'spec/services/solidus_subscriptions/order_builder_spec.rb'
-
-# Offense count: 2
-# Configuration parameters: CustomTransform, IgnoreMethods, SpecSuffixOnly.
-RSpec/FilePath:
-  Exclude:
-    - 'spec/decorators/models/solidus_subscriptions/spree/order/finalize_creates_subscrptions_spec.rb'
-    - 'spec/decorators/models/solidus_subscriptions/spree/user/have_many_subscriptions.rb'
-
-# Offense count: 1
-# Configuration parameters: AssignmentOnly.
-RSpec/InstanceVariable:
-  Exclude:
-    - 'spec/services/solidus_subscriptions/checkout_spec.rb'
-
-# Offense count: 18
-RSpec/LetSetup:
-  Exclude:
-    - 'spec/controllers/solidus_subscriptions/api/v1/subscriptions_controller_spec.rb'
-    - 'spec/decorators/controllers/solidus_subscriptions/spree/orders_controller/create_subscription_line_items_spec.rb'
-    - 'spec/lib/solidus_subscriptions/processor_spec.rb'
-    - 'spec/services/solidus_subscriptions/checkout_spec.rb'
-    - 'spec/services/solidus_subscriptions/line_item_builder_spec.rb'
-
-# Offense count: 8
-# Configuration parameters: EnforcedStyle.
-# SupportedStyles: have_received, receive
-RSpec/MessageSpies:
-  Exclude:
-    - 'spec/services/solidus_subscriptions/failure_dispatcher_spec.rb'
-    - 'spec/services/solidus_subscriptions/out_of_stock_dispatcher_spec.rb'
-    - 'spec/services/solidus_subscriptions/payment_failed_dispatcher_spec.rb'
-    - 'spec/services/solidus_subscriptions/success_dispatcher_spec.rb'
-
 # Offense count: 2
 RSpec/MultipleExpectations:
   Max: 2
 
-# Offense count: 27
-# Configuration parameters: AllowSubject.
-RSpec/MultipleMemoizedHelpers:
-  Max: 14
-
 # Offense count: 90
 # Configuration parameters: IgnoreSharedExamples.
 RSpec/NamedSubject:
@@ -120,7 +55,6 @@ Rails/SkipsModelValidations:
     - 'app/services/solidus_subscriptions/failure_dispatcher.rb'
     - 'app/services/solidus_subscriptions/order_builder.rb'
     - 'app/services/solidus_subscriptions/payment_failed_dispatcher.rb'
-    - 'spec/services/solidus_subscriptions/checkout_spec.rb'
 
 # Offense count: 1
 # Cop supports --auto-correct.
diff --git a/spec/controllers/spree/admin/subscriptions_controller_spec.rb b/spec/controllers/spree/admin/subscriptions_controller_spec.rb
index b2a5ec5..a2fc8e6 100644
--- a/spec/controllers/spree/admin/subscriptions_controller_spec.rb
+++ b/spec/controllers/spree/admin/subscriptions_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Spree::Admin::SubscriptionsController, type: :request do
@@ -110,75 +112,75 @@ RSpec.describe Spree::Admin::SubscriptionsController, type: :request do
   end
 
   describe 'POST cancel' do
-    subject { delete spree.cancel_admin_subscription_path(subscription) }
+    subject(:delete_subscription) { delete spree.cancel_admin_subscription_path(subscription) }
 
-    context 'the subscription can be canceled' do
+    context 'when the subscription can be canceled' do
       let(:subscription) { create :subscription, :actionable }
 
       it { is_expected.to redirect_to spree.admin_subscriptions_path }
 
       it 'has a message' do
-        subject
+        delete_subscription
         expect(flash[:notice]).to be_present
       end
 
       it 'cancels the subscription' do
-        expect { subject }.to change { subscription.reload.state }.from('active').to('canceled')
+        expect { delete_subscription }.to change { subscription.reload.state }.from('active').to('canceled')
       end
     end
 
-    context 'the subscription cannot be canceled' do
+    context 'when the subscription cannot be canceled' do
       let(:subscription) { create :subscription, :canceled }
 
       it { is_expected.to redirect_to spree.admin_subscriptions_path }
 
       it 'has a message' do
-        subject
+        delete_subscription
         expect(flash[:notice]).to be_present
       end
 
       it 'cancels the subscription' do
-        expect { subject }.not_to change { subscription.reload.state }
+        expect { delete_subscription }.not_to(change { subscription.reload.state })
       end
     end
   end
 
   describe 'POST activate' do
-    subject { post spree.activate_admin_subscription_path(subscription) }
+    subject(:activate) { post spree.activate_admin_subscription_path(subscription) }
 
-    context 'the subscription can be activated' do
+    context 'when the subscription can be activated' do
       let(:subscription) { create :subscription, :canceled, :with_line_item }
 
       it { is_expected.to redirect_to spree.admin_subscriptions_path }
 
       it 'has a message' do
-        subject
+        activate
         expect(flash[:notice]).to be_present
       end
 
       it 'cancels the subscription' do
-        expect { subject }.to change { subscription.reload.state }.from('canceled').to('active')
+        expect { activate }.to change { subscription.reload.state }.from('canceled').to('active')
       end
     end
 
-    context 'the subscription cannot be activated' do
+    context 'when the subscription cannot be activated' do
       let(:subscription) { create :subscription, :actionable, :with_line_item }
 
       it { is_expected.to redirect_to spree.admin_subscriptions_path }
 
       it 'has a message' do
-        subject
+        activate
         expect(flash[:notice]).to be_present
       end
 
       it 'cancels the subscription' do
-        expect { subject }.not_to change { subscription.reload.state }
+        expect { activate }.not_to(change{ subscription.reload.state })
       end
     end
   end
 
   describe 'POST skip' do
-    subject { post spree.skip_admin_subscription_path(subscription) }
+    subject(:skip) { post spree.skip_admin_subscription_path(subscription) }
 
     let(:subscription) { create :subscription, :actionable, :with_line_item }
     let!(:expected_date) { subscription.next_actionable_date }
@@ -186,12 +188,12 @@ RSpec.describe Spree::Admin::SubscriptionsController, type: :request do
     it { is_expected.to redirect_to spree.admin_subscriptions_path }
 
     it 'has a message' do
-      subject
+      skip
       expect(flash[:notice]).to be_present
     end
 
-    it 'advances the actioanble_date' do
-      expect { subject }.
+    it 'advances the actionable_date' do
+      expect { skip }.
         to change { subscription.reload.actionable_date }.
         from(subscription.actionable_date).to(expected_date)
     end
diff --git a/spec/controllers/spree/api/line_items_controller_spec.rb b/spec/controllers/spree/api/line_items_controller_spec.rb
index 4571d89..8dc6390 100644
--- a/spec/controllers/spree/api/line_items_controller_spec.rb
+++ b/spec/controllers/spree/api/line_items_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'spree/api/testing_support/helpers'
 
@@ -6,7 +8,7 @@ RSpec.describe Spree::Api::LineItemsController, type: :controller do
   routes { Spree::Core::Engine.routes }
 
   describe 'POST :create' do
-    subject { post :create, params: params }
+    subject(:post_create) { post :create, params: params }
 
     let(:params) { line_item_params }
     let!(:variant) { create :variant }
@@ -28,7 +30,7 @@ RSpec.describe Spree::Api::LineItemsController, type: :controller do
       it { is_expected.to be_created }
 
       it 'creates a line item' do
-        expect { subject }.
+        expect { post_create }.
           to change { Spree::LineItem.count }.
           from(0).to(1)
       end
@@ -51,7 +53,7 @@ RSpec.describe Spree::Api::LineItemsController, type: :controller do
       it_behaves_like 'a new line item'
 
       it 'creates a new subscription line item' do
-        expect { subject }.
+        expect { post_create }.
           to change { SolidusSubscriptions::LineItem.count }.
           from(0).to(1)
       end
@@ -63,7 +65,7 @@ RSpec.describe Spree::Api::LineItemsController, type: :controller do
   end
 
   describe 'patch :update' do
-    subject { patch :create, params: params }
+    subject(:patch_create) { patch :create, params: params }
 
     let(:params) { line_item_params }
     let!(:variant) { create :variant }
@@ -93,7 +95,7 @@ RSpec.describe Spree::Api::LineItemsController, type: :controller do
     it { is_expected.to be_successful }
 
     it 'creates a new subscription line item' do
-      expect { subject }.
+      expect { patch_create }.
         to change { SolidusSubscriptions::LineItem.count }.
         from(0).to(1)
     end
diff --git a/spec/controllers/spree/api/orders_controller_spec.rb b/spec/controllers/spree/api/orders_controller_spec.rb
index 1693b5d..5f32a56 100644
--- a/spec/controllers/spree/api/orders_controller_spec.rb
+++ b/spec/controllers/spree/api/orders_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'spree/api/testing_support/helpers'
 
@@ -43,7 +45,7 @@ RSpec.describe Spree::Api::OrdersController, type: :controller do
     end
 
     it 'is a successful response' do
-      subject
+      subscription_line_items
       expect(response).to be_successful
     end
 
diff --git a/spec/controllers/spree/api/users_controller_spec.rb b/spec/controllers/spree/api/users_controller_spec.rb
index 0155498..5b1bb42 100644
--- a/spec/controllers/spree/api/users_controller_spec.rb
+++ b/spec/controllers/spree/api/users_controller_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 require 'spree/api/testing_support/helpers'
 
@@ -11,7 +13,7 @@ RSpec.describe Spree::Api::UsersController, type: :controller do
   let!(:subscription) { create :subscription, :with_line_item, user: user }
 
   describe 'patch /update' do
-    subject { patch :update, params: params }
+    subject(:update_user) { patch :update, params: params }
 
     let(:params) do
       {
@@ -37,7 +39,7 @@ RSpec.describe Spree::Api::UsersController, type: :controller do
     end
 
     it 'updates the subscription line items' do
-      subject
+      update_user
       line_item = subscription.line_items.reload.first
 
       expect(line_item).to have_attributes(line_item_attributes)
diff --git a/spec/decorators/controllers/solidus_subscriptions/spree/orders_controller/create_subscription_line_items_spec.rb b/spec/decorators/controllers/solidus_subscriptions/spree/orders_controller/create_subscription_line_items_spec.rb
index 3018c0e..d3c3ce9 100644
--- a/spec/decorators/controllers/solidus_subscriptions/spree/orders_controller/create_subscription_line_items_spec.rb
+++ b/spec/decorators/controllers/solidus_subscriptions/spree/orders_controller/create_subscription_line_items_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::OrdersController::CreateSubscriptionLineItems, type: :controller do
@@ -5,14 +7,14 @@ RSpec.describe SolidusSubscriptions::Spree::OrdersController::CreateSubscription
   routes { Spree::Core::Engine.routes }
 
   let!(:user) { create :user }
-  let!(:store) { create :store }
 
   before do
     allow(controller).to receive_messages(try_spree_current_user: user)
+    create :store
   end
 
   describe 'POST /orders/populate' do
-    subject { post :populate, params: params }
+    subject(:populate) { post :populate, params: params }
 
     let!(:variant) { create :variant }
     let(:params) { line_item_params }
@@ -27,13 +29,13 @@ RSpec.describe SolidusSubscriptions::Spree::OrdersController::CreateSubscription
       it { is_expected.to redirect_to cart_path }
 
       it 'creates an order' do
-        expect { subject }.
+        expect { populate }.
           to change { Spree::Order.count }.
           from(0).to(1)
       end
 
       it 'creates a line item' do
-        expect { subject }.
+        expect { populate }.
           to change { Spree::LineItem.count }.
           from(0).to(1)
       end
@@ -56,13 +58,13 @@ RSpec.describe SolidusSubscriptions::Spree::OrdersController::CreateSubscription
       it_behaves_like 'a new order line item'
 
       it 'creates a new subscription line item' do
-        expect { subject }.
+        expect { populate }.
           to change { SolidusSubscriptions::LineItem.count }.
           from(0).to(1)
       end
 
       it 'creates a subscription line item with the correct values' do
-        subject
+        populate
         subscription_line_item = SolidusSubscriptions::LineItem.last
 
         expect(subscription_line_item).to have_attributes(
diff --git a/spec/decorators/models/solidus_subscriptions/spree/line_item/subscription_line_items_association_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/line_item/subscription_line_items_association_spec.rb
index a0d58d5..0b43ad8 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/line_item/subscription_line_items_association_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/line_item/subscription_line_items_association_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::LineItem::SubscriptionLineItemsAssociation, type: :model do
diff --git a/spec/decorators/models/solidus_subscriptions/spree/order/finalize_creates_subscrptions_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/order/finalize_creates_subscriptions_spec.rb
index fc3b74e..121afbf 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/order/finalize_creates_subscrptions_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/order/finalize_creates_subscriptions_spec.rb
@@ -1,8 +1,10 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::Order::FinalizeCreatesSubscriptions do
   describe '#finalize!' do
-    subject { order.finalize! }
+    subject(:finalize) { order.finalize! }
 
     let(:order) { create :order, :with_subscription_line_items }
     let(:subscription_line_item) { order.subscription_line_items.last }
@@ -11,13 +13,13 @@ RSpec.describe SolidusSubscriptions::Spree::Order::FinalizeCreatesSubscriptions
     around { |e| Timecop.freeze { e.run } }
 
     it 'creates new subscriptions' do
-      expect { subject }.
+      expect { finalize }.
         to change { SolidusSubscriptions::Subscription.count }.
         by(order.subscription_line_items.count)
     end
 
     it 'creates a subscription with the correct values' do
-      subject
+      finalize
       subscription = SolidusSubscriptions::Subscription.last
 
       expect(subscription).to have_attributes(
diff --git a/spec/decorators/models/solidus_subscriptions/spree/order/installment_details_association_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/order/installment_details_association_spec.rb
index b87d608..98597a0 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/order/installment_details_association_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/order/installment_details_association_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::Order::InstallmentDetailsAssociation, type: :model do
diff --git a/spec/decorators/models/solidus_subscriptions/spree/order/subscription_line_items_association_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/order/subscription_line_items_association_spec.rb
index 622e14c..21e74c5 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/order/subscription_line_items_association_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/order/subscription_line_items_association_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::Order::SubscriptionLineItemsAssociation, type: :model do
diff --git a/spec/decorators/models/solidus_subscriptions/spree/user/have_many_subscriptions_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/user/have_many_subscriptions_spec.rb
index a76f130..4047b01 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/user/have_many_subscriptions_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/user/have_many_subscriptions_spec.rb
@@ -1,7 +1,9 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::User::HaveManySubscriptions, type: :model do
-  subject { Spree::User.new }
+  subject(:user) { Spree::User.new }
 
   it { is_expected.to have_many :subscriptions }
   it { is_expected.to accept_nested_attributes_for :subscriptions }
@@ -10,7 +12,7 @@ RSpec.describe SolidusSubscriptions::Spree::User::HaveManySubscriptions, type: :
     it 'throws a deprecation warning' do
       allow(::Spree::Deprecation).to receive(:warn)
 
-      subject.subscriptions_attributes = [{ interval_length: 2 }]
+      user.subscriptions_attributes = [{ interval_length: 2 }]
 
       expect(::Spree::Deprecation)
         .to have_received(:warn)
diff --git a/spec/decorators/models/solidus_subscriptions/spree/variant/auto_delete_from_subscriptions_spec.rb b/spec/decorators/models/solidus_subscriptions/spree/variant/auto_delete_from_subscriptions_spec.rb
index 422e992..56ca0cf 100644
--- a/spec/decorators/models/solidus_subscriptions/spree/variant/auto_delete_from_subscriptions_spec.rb
+++ b/spec/decorators/models/solidus_subscriptions/spree/variant/auto_delete_from_subscriptions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Spree::Variant::AutoDeleteFromSubscriptions, type: :model do
diff --git a/spec/features/admin/subscriptions_spec.rb b/spec/features/admin/subscriptions_spec.rb
index 1d9f698..92e1df9 100644
--- a/spec/features/admin/subscriptions_spec.rb
+++ b/spec/features/admin/subscriptions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe 'Subscriptions admin' do
   stub_authorization!
 
diff --git a/spec/features/admin_users_subscription_tabs_spec.rb b/spec/features/admin_users_subscription_tabs_spec.rb
index f42123f..50bd93f 100644
--- a/spec/features/admin_users_subscription_tabs_spec.rb
+++ b/spec/features/admin_users_subscription_tabs_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe 'User subscriptions tab', type: :feature do
@@ -27,10 +29,15 @@ RSpec.describe 'User subscriptions tab', type: :feature do
       within('.tabs') { click_link 'Subscriptions' }
     end
 
-    it 'lists user subscriptions' do
+    it 'lists user subscriptions date' do
       subscriptions_table = page.find('#subscriptions-table')
 
       expect(subscriptions_table).to have_content('2020-10-21')
+    end
+
+    it 'lists user subscriptions days' do
+      subscriptions_table = page.find('#subscriptions-table')
+
       expect(subscriptions_table).to have_content('10 days')
     end
 
diff --git a/spec/jobs/solidus_subscriptions/process_installment_job_spec.rb b/spec/jobs/solidus_subscriptions/process_installment_job_spec.rb
index c50b452..658e252 100644
--- a/spec/jobs/solidus_subscriptions/process_installment_job_spec.rb
+++ b/spec/jobs/solidus_subscriptions/process_installment_job_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::ProcessInstallmentJob do
   it 'processes checkout for the installment' do
     installment = build_stubbed(:installment)
diff --git a/spec/lib/solidus_subscriptions/checkout_spec.rb b/spec/lib/solidus_subscriptions/checkout_spec.rb
index 3dc1a6d..25cbcf4 100644
--- a/spec/lib/solidus_subscriptions/checkout_spec.rb
+++ b/spec/lib/solidus_subscriptions/checkout_spec.rb
@@ -1,5 +1,8 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Checkout, :checkout do
   context 'when the order can be created and paid' do
+    # rubocop:disable RSpec/MultipleExpectations
     it 'creates and finalizes a new order for the installment' do
       stub_spree_preferences(auto_capture: true)
       installment = create(:installment, :actionable)
@@ -10,7 +13,6 @@ RSpec.describe SolidusSubscriptions::Checkout, :checkout do
       expect(order).to be_paid
     end
 
-    # rubocop:disable RSpec/MultipleExpectations
     it 'copies basic information from the subscription' do
       stub_spree_preferences(auto_capture: true)
       installment = create(:installment, :actionable)
@@ -26,7 +28,6 @@ RSpec.describe SolidusSubscriptions::Checkout, :checkout do
       expect(order.user).to eq(subscription.user)
       expect(order.email).to eq(subscription.user.email)
     end
-    # rubocop:enable RSpec/MultipleExpectations
 
     it 'marks the order as a subscription order' do
       stub_spree_preferences(auto_capture: true)
@@ -38,6 +39,7 @@ RSpec.describe SolidusSubscriptions::Checkout, :checkout do
       expect(order.subscription).to eq(subscription)
       expect(order.subscription_order).to eq(true)
     end
+    # rubocop:enable RSpec/MultipleExpectations
 
     it 'matches the total on the subscription' do
       stub_spree_preferences(auto_capture: true)
diff --git a/spec/lib/solidus_subscriptions/churn_buster/client_spec.rb b/spec/lib/solidus_subscriptions/churn_buster/client_spec.rb
index abb2b95..9efb2e6 100644
--- a/spec/lib/solidus_subscriptions/churn_buster/client_spec.rb
+++ b/spec/lib/solidus_subscriptions/churn_buster/client_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::ChurnBuster::Client, vcr: { cassette_name: 'churn_buster', record: :new_episodes } do
   describe '#report_failed_payment' do
     it 'reports the failed payment to Churn Buster' do
diff --git a/spec/lib/solidus_subscriptions/dispatcher/failure_dispatcher_spec.rb b/spec/lib/solidus_subscriptions/dispatcher/failure_dispatcher_spec.rb
index f247237..0d7db95 100644
--- a/spec/lib/solidus_subscriptions/dispatcher/failure_dispatcher_spec.rb
+++ b/spec/lib/solidus_subscriptions/dispatcher/failure_dispatcher_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Dispatcher::FailureDispatcher do
   describe '#dispatch' do
     it 'marks the installment as failed' do
diff --git a/spec/lib/solidus_subscriptions/dispatcher/out_of_stock_dispatcher_spec.rb b/spec/lib/solidus_subscriptions/dispatcher/out_of_stock_dispatcher_spec.rb
index abb8343..4ad110f 100644
--- a/spec/lib/solidus_subscriptions/dispatcher/out_of_stock_dispatcher_spec.rb
+++ b/spec/lib/solidus_subscriptions/dispatcher/out_of_stock_dispatcher_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Dispatcher::OutOfStockDispatcher do
   describe '#dispatch' do
     it 'marks the installment as out of stock' do
diff --git a/spec/lib/solidus_subscriptions/dispatcher/payment_failed_dispatcher_spec.rb b/spec/lib/solidus_subscriptions/dispatcher/payment_failed_dispatcher_spec.rb
index 0a222d4..103f176 100644
--- a/spec/lib/solidus_subscriptions/dispatcher/payment_failed_dispatcher_spec.rb
+++ b/spec/lib/solidus_subscriptions/dispatcher/payment_failed_dispatcher_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Dispatcher::PaymentFailedDispatcher do
   describe '#dispatch' do
     it 'marks the installment as payment_failed' do
diff --git a/spec/lib/solidus_subscriptions/dispatcher/success_dispatcher_spec.rb b/spec/lib/solidus_subscriptions/dispatcher/success_dispatcher_spec.rb
index 6a71800..366e1f7 100644
--- a/spec/lib/solidus_subscriptions/dispatcher/success_dispatcher_spec.rb
+++ b/spec/lib/solidus_subscriptions/dispatcher/success_dispatcher_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Dispatcher::SuccessDispatcher do
   describe '#dispatch' do
     it 'marks the installment as success' do
diff --git a/spec/lib/solidus_subscriptions/processor_spec.rb b/spec/lib/solidus_subscriptions/processor_spec.rb
index 5deaba4..18811a7 100644
--- a/spec/lib/solidus_subscriptions/processor_spec.rb
+++ b/spec/lib/solidus_subscriptions/processor_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::Processor do
   it 'schedules the processing of actionable subscriptions' do
     actionable_subscription = create(:subscription, :actionable)
diff --git a/spec/lib/solidus_subscriptions/promotion/rules/subscription_creation_order_spec.rb b/spec/lib/solidus_subscriptions/promotion/rules/subscription_creation_order_spec.rb
index f7975f1..e39e5b5 100644
--- a/spec/lib/solidus_subscriptions/promotion/rules/subscription_creation_order_spec.rb
+++ b/spec/lib/solidus_subscriptions/promotion/rules/subscription_creation_order_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Promotion::Rules::SubscriptionCreationOrder do
diff --git a/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb b/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb
index d17fa61..81e133d 100644
--- a/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb
+++ b/spec/lib/solidus_subscriptions/promotion/rules/subscription_installment_order_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Promotion::Rules::SubscriptionInstallmentOrder do
diff --git a/spec/lib/solidus_subscriptions/subscription_generator_spec.rb b/spec/lib/solidus_subscriptions/subscription_generator_spec.rb
index 72cbfe6..b78e66c 100644
--- a/spec/lib/solidus_subscriptions/subscription_generator_spec.rb
+++ b/spec/lib/solidus_subscriptions/subscription_generator_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::SubscriptionGenerator do
diff --git a/spec/lib/solidus_subscriptions_spec.rb b/spec/lib/solidus_subscriptions_spec.rb
index 201c576..f99119f 100644
--- a/spec/lib/solidus_subscriptions_spec.rb
+++ b/spec/lib/solidus_subscriptions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions do
   describe '.churn_buster' do
     context 'when Churn Buster was configured' do
diff --git a/spec/models/solidus_subscriptions/installment_detail_spec.rb b/spec/models/solidus_subscriptions/installment_detail_spec.rb
index 53f0b53..8c03f4d 100644
--- a/spec/models/solidus_subscriptions/installment_detail_spec.rb
+++ b/spec/models/solidus_subscriptions/installment_detail_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::InstallmentDetail, type: :model do
@@ -6,13 +8,13 @@ RSpec.describe SolidusSubscriptions::InstallmentDetail, type: :model do
   describe '#failed?' do
     subject { build(:installment_detail, success: success).failed? }
 
-    context 'the detail was successful' do
+    context 'when the detail was successful' do
       let(:success) { true }
 
       it { is_expected.to be_falsy }
     end
 
-    context 'the detail was not successfuly' do
+    context 'when the detail was not successfuly' do
       let(:success) { false }
 
       it { is_expected.to be_truthy }
diff --git a/spec/models/solidus_subscriptions/installment_spec.rb b/spec/models/solidus_subscriptions/installment_spec.rb
index 399a7e6..289bf8a 100644
--- a/spec/models/solidus_subscriptions/installment_spec.rb
+++ b/spec/models/solidus_subscriptions/installment_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Installment, type: :model do
@@ -6,7 +8,7 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
   it { is_expected.to validate_presence_of :subscription }
 
   describe '#out_of_stock' do
-    subject { installment.out_of_stock }
+    subject(:out_of_stock) { installment.out_of_stock }
 
     let(:expected_date) do
       Time.zone.today + SolidusSubscriptions.configuration.reprocessing_interval
@@ -16,20 +18,20 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
     it { is_expected.not_to be_successful }
 
     it 'has the correct message' do
-      expect(subject).to have_attributes(
+      expect(out_of_stock).to have_attributes(
         message: I18n.t('solidus_subscriptions.installment_details.out_of_stock')
       )
     end
 
     it 'advances the installment actionable_date' do
-      subject
+      out_of_stock
       actionable_date = installment.reload.actionable_date
       expect(actionable_date).to eq expected_date
     end
   end
 
   describe '#success!' do
-    subject { installment.success!(order) }
+    subject(:success) { installment.success!(order) }
 
     let(:order) { create :order }
 
@@ -37,19 +39,19 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
     let(:actionable_date) { 1.month.from_now.to_date }
 
     it 'removes any actionable date if any' do
-      expect { subject }.
+      expect { success }.
         to change(installment, :actionable_date).
         from(actionable_date).to(nil)
     end
 
     it 'creates a new installment detail' do
-      expect { subject }.
+      expect { success }.
         to change { SolidusSubscriptions::InstallmentDetail.count }.
         by(1)
     end
 
     it 'creates a successful installment detail' do
-      subject
+      success
       expect(installment.details.last).to be_successful && have_attributes(
         order: order,
         message: I18n.t('solidus_subscriptions.installment_details.success')
@@ -58,7 +60,7 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
   end
 
   describe '#failed!' do
-    subject { installment.failed!(order) }
+    subject(:failed) { installment.failed!(order) }
 
     let(:order) { create :order }
 
@@ -70,23 +72,23 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
     it { is_expected.not_to be_successful }
 
     it 'has the correct message' do
-      expect(subject).to have_attributes(
+      expect(failed).to have_attributes(
         message: I18n.t('solidus_subscriptions.installment_details.failed'),
         order: order
       )
     end
 
     it 'advances the installment actionable_date' do
-      subject
+      failed
       actionable_date = installment.reload.actionable_date
       expect(actionable_date).to eq expected_date
     end
 
-    context 'the reprocessing interval is set to nil' do
+    context 'when the reprocessing interval is set to nil' do
       before { stub_config(reprocessing_interval: nil) }
 
       it 'does not advance the installment actionable_date' do
-        subject
+        failed
         actionable_date = installment.reload.actionable_date
         expect(actionable_date).to be_nil
       end
@@ -98,13 +100,13 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
 
     let(:installment) { create(:installment, details: details) }
 
-    context 'the installment has an associated successful detail' do
+    context 'when the installment has an associated successful detail' do
       let(:details) { create_list :installment_detail, 1, success: true }
 
       it { is_expected.to be_falsy }
     end
 
-    context 'the installment has no associated successful detail' do
+    context 'when the installment has no associated successful detail' do
       let(:details) { create_list :installment_detail, 1 }
 
       it { is_expected.to be_truthy }
@@ -116,13 +118,13 @@ RSpec.describe SolidusSubscriptions::Installment, type: :model do
 
     let(:installment) { create(:installment, details: details) }
 
-    context 'the installment has an associated completed order' do
+    context 'when the installment has an associated completed order' do
       let(:details) { create_list :installment_detail, 1, success: true }
 
       it { is_expected.to be_truthy }
     end
 
-    context 'the installment has no associated completed order' do
+    context 'when the installment has no associated completed order' do
       let(:details) { create_list :installment_detail, 1 }
 
       it { is_expected.to be_falsy }
diff --git a/spec/models/solidus_subscriptions/line_item_spec.rb b/spec/models/solidus_subscriptions/line_item_spec.rb
index aaa24a5..d7c1bdb 100644
--- a/spec/models/solidus_subscriptions/line_item_spec.rb
+++ b/spec/models/solidus_subscriptions/line_item_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::LineItem, type: :model do
@@ -7,7 +9,7 @@ RSpec.describe SolidusSubscriptions::LineItem, type: :model do
   it { is_expected.to validate_numericality_of(:interval_length).is_greater_than(0) }
 
   describe "#interval" do
-    subject { line_item.interval }
+    subject(:interval) { line_item.interval }
 
     let(:line_item) { create :subscription_line_item, :with_subscription }
 
@@ -21,7 +23,7 @@ RSpec.describe SolidusSubscriptions::LineItem, type: :model do
     it { is_expected.to be_a ActiveSupport::Duration }
 
     it "calculates the duration correctly" do
-      expect(subject.from_now).to eq Date.parse("2016-10-22")
+      expect(interval.from_now).to eq Date.parse("2016-10-22")
     end
   end
 end
diff --git a/spec/models/solidus_subscriptions/subscription_spec.rb b/spec/models/solidus_subscriptions/subscription_spec.rb
index c2fd4a4..145cc44 100644
--- a/spec/models/solidus_subscriptions/subscription_spec.rb
+++ b/spec/models/solidus_subscriptions/subscription_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe SolidusSubscriptions::Subscription, type: :model do
@@ -102,7 +104,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
       allow(SolidusSubscriptions.configuration).to receive(:minimum_cancellation_notice) { minimum_cancellation_notice }
     end
 
-    context 'the subscription can be canceled' do
+    context 'when the subscription can be canceled' do
       let(:actionable_date) { 1.month.from_now }
       let(:minimum_cancellation_notice) { 1.day }
 
@@ -117,7 +119,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
       end
     end
 
-    context 'the subscription cannot be canceled' do
+    context 'when the subscription cannot be canceled' do
       let(:actionable_date) { Date.current }
       let(:minimum_cancellation_notice) { 1.day }
 
@@ -211,7 +213,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
       end
     end
 
-    context 'the subscription can be deactivated' do
+    context 'when the subscription can be deactivated' do
       let(:attributes) do
         { end_date: Date.current.ago(2.days) }
       end
@@ -227,7 +229,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
       end
     end
 
-    context 'the subscription cannot be deactivated' do
+    context 'when the subscription cannot be deactivated' do
       it { is_expected.to be_falsy }
 
       it 'does not create an event' do
@@ -261,7 +263,7 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
       end
     end
 
-    context 'the subscription cannot be activated' do
+    context 'when the subscription cannot be activated' do
       it 'returns false' do
         subscription = create(:subscription, actionable_date: Time.zone.today)
 
@@ -400,25 +402,25 @@ RSpec.describe SolidusSubscriptions::Subscription, type: :model do
     let!(:failed_subs) { create_list(:installment, 2, :failed).map(&:subscription) }
     let!(:success_subs) { create_list(:installment, 2, :success).map(&:subscription) }
 
-    context 'successfull subscriptions' do
+    context 'with successfull subscriptions' do
       let(:state) { :success }
 
       it { is_expected.to match_array success_subs }
     end
 
-    context 'failed subscriptions' do
+    context 'with failed subscriptions' do
       let(:state) { :failed }
 
       it { is_expected.to match_array failed_subs }
     end
 
-    context 'new subscriptions' do
+    context 'with new subscriptions' do
       let(:state) { :pending }
 
       it { is_expected.to match_array new_subs }
     end
 
-    context 'unknown state' do
+    context 'with unknown state' do
       let(:state) { :foo }
 
       it 'raises an error' do
diff --git a/spec/models/spree/variant_spec.rb b/spec/models/spree/variant_spec.rb
index d1aff3d..3627fc7 100644
--- a/spec/models/spree/variant_spec.rb
+++ b/spec/models/spree/variant_spec.rb
@@ -1,14 +1,16 @@
+# frozen_string_literal: true
+
 require 'spec_helper'
 
 RSpec.describe Spree::Variant, type: :model do
   let(:variant) { build_stubbed :variant }
 
   describe "#pretty_name" do
-    subject { variant.pretty_name }
+    subject(:pretty_name) { variant.pretty_name }
 
     it 'includes the product and options', :aggregate_failures do
-      expect(subject).to match variant.name
-      expect(subject).to match variant.options_text
+      expect(pretty_name).to match variant.name
+      expect(pretty_name).to match variant.options_text
     end
   end
 end
diff --git a/spec/models/spree/wallet_payment_source_spec.rb b/spec/models/spree/wallet_payment_source_spec.rb
index 374e235..ff057f9 100644
--- a/spec/models/spree/wallet_payment_source_spec.rb
+++ b/spec/models/spree/wallet_payment_source_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe Spree::WalletPaymentSource do
   describe 'setting it as the default' do
     it 'reports a payment method changed event for subscriptions that use the default payment source' do
diff --git a/spec/requests/api/v1/line_items_spec.rb b/spec/requests/api/v1/line_items_spec.rb
index c6e34e6..d5fa6b4 100644
--- a/spec/requests/api/v1/line_items_spec.rb
+++ b/spec/requests/api/v1/line_items_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe '/api/v1/line_items' do
   include SolidusSubscriptions::Engine.routes.url_helpers
 
diff --git a/spec/requests/api/v1/subscriptions_spec.rb b/spec/requests/api/v1/subscriptions_spec.rb
index 0406ea7..6807c67 100644
--- a/spec/requests/api/v1/subscriptions_spec.rb
+++ b/spec/requests/api/v1/subscriptions_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe '/api/v1/subscriptions' do
   include SolidusSubscriptions::Engine.routes.url_helpers
 
diff --git a/spec/subscribers/solidus_subscriptions/churn_buster_subscriber_spec.rb b/spec/subscribers/solidus_subscriptions/churn_buster_subscriber_spec.rb
index 11ada2c..a3e9a23 100644
--- a/spec/subscribers/solidus_subscriptions/churn_buster_subscriber_spec.rb
+++ b/spec/subscribers/solidus_subscriptions/churn_buster_subscriber_spec.rb
@@ -1,3 +1,5 @@
+# frozen_string_literal: true
+
 RSpec.describe SolidusSubscriptions::ChurnBusterSubscriber do
   describe '#report_subscription_cancellation' do
     it 'reports the cancellation to Churn Buster' do