131 lines
3.4 KiB
Ruby
131 lines
3.4 KiB
Ruby
module Shoulda
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module Matchers
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module ActiveModel
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# The `validate_confirmation_of` matcher tests usage of the
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# `validates_confirmation_of` validation.
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#
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# class User
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# include ActiveModel::Model
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# attr_accessor :email
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#
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# validates_confirmation_of :email
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# end
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#
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# # RSpec
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# describe User do
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# it { should validate_confirmation_of(:email) }
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# end
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#
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# # Test::Unit
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# class UserTest < ActiveSupport::TestCase
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# should validate_confirmation_of(:email)
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# end
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#
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# #### Qualifiers
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#
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# ##### with_message
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#
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# Use `with_message` if you are using a custom validation message.
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#
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# class User
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# include ActiveModel::Model
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# attr_accessor :password
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#
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# validates_confirmation_of :password,
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# message: 'Please re-enter your password'
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# end
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#
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# # RSpec
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# describe User do
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# it do
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# should validate_confirmation_of(:password).
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# with_message('Please re-enter your password')
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# end
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# end
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#
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# # Test::Unit
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# class UserTest < ActiveSupport::TestCase
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# should validate_confirmation_of(:password).
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# with_message('Please re-enter your password')
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# end
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#
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# @return [ValidateConfirmationOfMatcher]
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#
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def validate_confirmation_of(attr)
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ValidateConfirmationOfMatcher.new(attr)
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end
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# @private
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class ValidateConfirmationOfMatcher < ValidationMatcher
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include Helpers
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attr_reader :attribute, :confirmation_attribute
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def initialize(attribute)
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super(attribute)
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@confirmation_attribute = "#{attribute}_confirmation"
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end
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def with_message(message)
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@message = message if message
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self
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end
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def description
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"require #{@confirmation_attribute} to match #{@attribute}"
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end
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def matches?(subject)
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super(subject)
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@message ||= :confirmation
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disallows_different_value &&
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allows_same_value &&
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allows_missing_confirmation
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end
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private
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def disallows_different_value
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set_confirmation('some value')
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disallows_value_of('different value') do |matcher|
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qualify_matcher(matcher)
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end
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end
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def allows_same_value
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set_confirmation('same value')
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allows_value_of('same value') do |matcher|
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qualify_matcher(matcher)
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end
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end
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def allows_missing_confirmation
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set_confirmation(nil)
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allows_value_of('any value') do |matcher|
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qualify_matcher(matcher)
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end
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end
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def qualify_matcher(matcher)
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matcher.with_message(@message,
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against: error_attribute,
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values: { attribute: attribute }
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)
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end
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def set_confirmation(val)
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setter = :"#{@confirmation_attribute}="
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if @subject.respond_to?(setter)
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@subject.__send__(setter, val)
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end
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end
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def error_attribute
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RailsShim.validates_confirmation_of_error_attribute(self)
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end
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end
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end
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end
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end
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