193 lines
4.8 KiB
Ruby
193 lines
4.8 KiB
Ruby
module Shoulda
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module Matchers
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module ActiveModel
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# @private
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class ValidationMatcher
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include Qualifiers::IgnoringInterferenceByWriter
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def initialize(attribute)
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super
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@attribute = attribute
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@expects_strict = false
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@subject = nil
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@last_submatcher_run = nil
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@expected_message = nil
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@expects_custom_validation_message = false
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end
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def description
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ValidationMatcher::BuildDescription.call(self, simple_description)
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end
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def on(context)
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@context = context
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self
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end
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def allow_blank
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options[:allow_blank] = true
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self
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end
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def strict
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@expects_strict = true
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self
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end
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def expects_strict?
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@expects_strict
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end
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def with_message(expected_message)
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if expected_message
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@expects_custom_validation_message = true
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@expected_message = expected_message
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end
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self
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end
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def expects_custom_validation_message?
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@expects_custom_validation_message
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end
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def matches?(subject)
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@subject = subject
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false
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end
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def does_not_match?(subject)
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@subject = subject
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true
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end
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def failure_message
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overall_failure_message.dup.tap do |message|
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if failure_reason.present?
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message << "\n"
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message << Shoulda::Matchers.word_wrap(
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failure_reason,
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indent: 2
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)
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end
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end
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end
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def failure_message_when_negated
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overall_failure_message_when_negated.dup.tap do |message|
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if failure_reason.present?
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message << "\n"
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message << Shoulda::Matchers.word_wrap(
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failure_reason,
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indent: 2
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)
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end
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end
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end
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protected
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attr_reader :attribute, :context, :subject, :last_submatcher_run
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def model
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subject.class
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end
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def allows_value_of(value, message = nil, &block)
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matcher = allow_value_matcher(value, message, &block)
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run_allow_or_disallow_matcher(matcher)
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end
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def disallows_value_of(value, message = nil, &block)
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matcher = disallow_value_matcher(value, message, &block)
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run_allow_or_disallow_matcher(matcher)
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end
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def allow_value_matcher(value, message = nil, &block)
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build_allow_or_disallow_value_matcher(
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matcher_class: AllowValueMatcher,
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value: value,
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message: message,
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&block
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)
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end
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def disallow_value_matcher(value, message = nil, &block)
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build_allow_or_disallow_value_matcher(
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matcher_class: DisallowValueMatcher,
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value: value,
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message: message,
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&block
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)
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end
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def allow_blank_matches?
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!expects_to_allow_blank? ||
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blank_values.all? { |value| allows_value_of(value) }
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end
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def allow_blank_does_not_match?
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expects_to_allow_blank? &&
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blank_values.all? { |value| disallows_value_of(value) }
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end
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private
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attr_reader :options
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def overall_failure_message
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Shoulda::Matchers.word_wrap(
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"Expected #{model.name} to #{description}, but this could not be " +
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'proved.'
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)
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end
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def overall_failure_message_when_negated
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Shoulda::Matchers.word_wrap(
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"Expected #{model.name} not to #{description}, but this could " +
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'not be proved.'
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)
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end
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def failure_reason
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last_submatcher_run.try(:failure_message)
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end
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def failure_reason_when_negated
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last_submatcher_run.try(:failure_message_when_negated)
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end
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def build_allow_or_disallow_value_matcher(args)
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matcher_class = args.fetch(:matcher_class)
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value = args.fetch(:value)
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message = args[:message]
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matcher = matcher_class.new(value).
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for(attribute).
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with_message(message).
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on(context).
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strict(expects_strict?).
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ignoring_interference_by_writer(ignore_interference_by_writer)
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yield matcher if block_given?
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matcher
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end
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def run_allow_or_disallow_matcher(matcher)
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@last_submatcher_run = matcher
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matcher.matches?(subject)
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end
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def expects_to_allow_blank?
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options[:allow_blank]
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end
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def blank_values
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['', ' ', "\n", "\r", "\t", "\f"]
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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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