58 lines
1.2 KiB
Ruby
58 lines
1.2 KiB
Ruby
module Shoulda
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module Matchers
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module ActiveModel
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# Finds message information from exceptions thrown by #valid?
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class ExceptionMessageFinder
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def initialize(instance, attribute)
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@instance = instance
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@attribute = attribute
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end
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def allow_description(allowed_values)
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"doesn't raise when #{@attribute} is set to #{allowed_values}"
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end
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def messages_description
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if has_messages?
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messages.join
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else
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'no exception'
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end
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end
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def has_messages?
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messages.any?
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end
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def messages
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@messages ||= validate_and_rescue
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end
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def source_description
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'exception'
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end
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def expected_message_from(attribute_message)
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"#{human_attribute_name} #{attribute_message}"
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end
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private
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def validate_and_rescue
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@instance.valid?
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[]
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rescue ::ActiveModel::StrictValidationFailed => exception
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[exception.message]
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end
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def human_attribute_name
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@instance.class.human_attribute_name(@attribute)
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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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