thoughtbot--shoulda-matchers/lib/shoulda/matchers/active_model/validation_matcher.rb

102 lines
2.3 KiB
Ruby

module Shoulda
module Matchers
module ActiveModel
# @private
class ValidationMatcher
attr_reader :failure_message
alias failure_message_for_should failure_message
def initialize(attribute)
@attribute = attribute
@strict = false
@failure_message = nil
@failure_message_when_negated = nil
end
def on(context)
@context = context
self
end
def strict
@strict = true
self
end
def failure_message_when_negated
@failure_message_when_negated || @failure_message
end
alias failure_message_for_should_not failure_message_when_negated
def matches?(subject)
@subject = subject
false
end
private
def allows_value_of(value, message = nil, &block)
allow = allow_value_matcher(value, message)
yield allow if block_given?
if allow.matches?(@subject)
@failure_message_when_negated = allow.failure_message_when_negated
true
else
@failure_message = allow.failure_message
false
end
end
def disallows_value_of(value, message = nil, &block)
disallow = disallow_value_matcher(value, message)
yield disallow if block_given?
if disallow.matches?(@subject)
@failure_message_when_negated = disallow.failure_message_when_negated
true
else
@failure_message = disallow.failure_message
false
end
end
def allow_value_matcher(value, message)
matcher = AllowValueMatcher.new(value).for(@attribute).
with_message(message)
if defined?(@context)
matcher.on(@context)
end
if strict?
matcher.strict
end
matcher
end
def disallow_value_matcher(value, message)
matcher = DisallowValueMatcher.new(value).for(@attribute).
with_message(message)
if defined?(@context)
matcher.on(@context)
end
if strict?
matcher.strict
end
matcher
end
def strict?
@strict
end
end
end
end
end