Validate uniqueness with case_sensitive: true explicitly

core/app/models/spree/option_type.rb

@@ -15,7 +15,7 @@ class OptionType < Spree::Base
     has_many :product_option_types, dependent: :destroy, inverse_of: :option_type
     has_many :products, through: :product_option_types
 
-    validates :name, presence: true, uniqueness: { allow_blank: true }
+    validates :name, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
     validates :presentation, presence: true
 
     default_scope -> { order(:position) }

core/app/models/spree/option_value.rb

@@ -8,7 +8,7 @@ class OptionValue < Spree::Base
     has_many :option_values_variants, dependent: :destroy
     has_many :variants, through: :option_values_variants
 
-    validates :name, presence: true, uniqueness: { scope: :option_type_id, allow_blank: true }
+    validates :name, presence: true, uniqueness: { scope: :option_type_id, allow_blank: true, case_sensitive: true }
     validates :presentation, presence: true
 
     after_save :touch, if: :saved_changes?

core/app/models/spree/order.rb

@@ -126,7 +126,7 @@ def states
     validates :email, presence: true, if: :require_email
     validates :email, 'spree/email' => true, allow_blank: true
     validates :guest_token, presence: { allow_nil: true }
-    validates :number, presence: true, uniqueness: { allow_blank: true }
+    validates :number, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
     validates :store_id, presence: true
 
     def self.find_by_param(value)

core/app/models/spree/preference.rb

@@ -3,5 +3,5 @@
 class Spree::Preference < Spree::Base
   serialize :value
 
-  validates :key, presence: true, uniqueness: { allow_blank: true }
+  validates :key, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
 end

core/app/models/spree/product.rb

@@ -115,7 +115,7 @@ def find_or_build_master
     validates :name, presence: true
     validates :price, presence: true, if: proc { Spree::Config[:require_master_price] }
     validates :shipping_category_id, presence: true
-    validates :slug, presence: true, uniqueness: { allow_blank: true }
+    validates :slug, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
 
     attr_accessor :option_values_hash
 

core/app/models/spree/promotion.rb

@@ -28,7 +28,7 @@ class Promotion < Spree::Base
     validates_associated :rules
 
     validates :name, presence: true
-    validates :path, uniqueness: { allow_blank: true }
+    validates :path, uniqueness: { allow_blank: true, case_sensitive: true }
     validates :usage_limit, numericality: { greater_than: 0, allow_nil: true }
     validates :per_code_usage_limit, numericality: { greater_than_or_equal_to: 0, allow_nil: true }
     validates :description, length: { maximum: 255 }

core/app/models/spree/promotion_code.rb

@@ -5,7 +5,7 @@ class Spree::PromotionCode < Spree::Base
   belongs_to :promotion_code_batch, class_name: "Spree::PromotionCodeBatch", optional: true
   has_many :adjustments
 
-  validates :value, presence: true, uniqueness: { allow_blank: true }
+  validates :value, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
   validates :promotion, presence: true
 
   before_save :normalize_code

core/app/models/spree/role.rb

@@ -5,7 +5,7 @@ class Role < Spree::Base
     has_many :role_users, class_name: "Spree::RoleUser", dependent: :destroy
     has_many :users, through: :role_users
 
-    validates_uniqueness_of :name
+    validates_uniqueness_of :name, case_sensitive: true
 
     def admin?
       name == "admin"

core/app/models/spree/store.rb

@@ -17,7 +17,7 @@ class Store < Spree::Base
 
     has_many :orders, class_name: "Spree::Order"
 
-    validates :code, presence: true, uniqueness: { allow_blank: true }
+    validates :code, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
     validates :name, presence: true
     validates :url, presence: true
     validates :mail_from_address, presence: true

core/app/models/spree/tax_category.rb

@@ -9,7 +9,7 @@ class TaxCategory < Spree::Base
     end
 
     validates :name, presence: true
-    validates_uniqueness_of :name, unless: :deleted_at
+    validates_uniqueness_of :name, case_sensitive: true, unless: :deleted_at
 
     has_many :tax_rate_tax_categories,
       class_name: 'Spree::TaxRateTaxCategory',

core/app/models/spree/variant.rb

@@ -74,7 +74,7 @@ class Variant < Spree::Base
 
     validates :cost_price, numericality: { greater_than_or_equal_to: 0, allow_nil: true }
     validates :price,      numericality: { greater_than_or_equal_to: 0, allow_nil: true }
-    validates_uniqueness_of :sku, allow_blank: true, if: :enforce_unique_sku?
+    validates_uniqueness_of :sku, allow_blank: true, case_sensitive: true, if: :enforce_unique_sku?
 
     after_create :create_stock_items
     after_create :set_position

core/app/models/spree/zone.rb

@@ -13,7 +13,7 @@ class Zone < Spree::Base
     has_many :shipping_method_zones, dependent: :destroy
     has_many :shipping_methods, through: :shipping_method_zones
 
-    validates :name, presence: true, uniqueness: { allow_blank: true }
+    validates :name, presence: true, uniqueness: { allow_blank: true, case_sensitive: true }
     after_save :remove_defunct_members
 
     scope :with_member_ids, ->(state_ids, country_ids) do