47 lines
1.5 KiB
Ruby
47 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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require 'rspec/expectations'
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RSpec::Matchers.define :be_an_equal_exercise_as do |exercise|
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match do |actual|
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equal?(actual, exercise)
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end
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failure_message do |actual|
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"#{actual.inspect} is not equal to \n#{exercise.inspect}. \nLast checked attribute: #{@last_checked}"
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end
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def equal?(object, other)
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return false unless object.class == other.class
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return attributes_equal?(object, other) if object.is_a?(ApplicationRecord)
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return array_equal?(object, other) if object.is_a?(Array) || object.is_a?(ActiveRecord::Associations::CollectionProxy)
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object == other
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end
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def attributes_equal?(object, other)
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other_attributes = attributes_and_associations(other)
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attributes_and_associations(object).each do |k, v|
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@last_checked = "#{k}: \n\"#{v}\" vs \n\"#{other_attributes[k]}\""
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return false unless equal?(other_attributes[k], v)
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end
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true
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end
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def array_equal?(object, other)
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return true if object == other # for []
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return false if object.length != other.length
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object.map do |element|
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other.map {|other_element| equal?(element, other_element) }.any?
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end.all? && other.map do |element|
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object.map {|other_element| equal?(element, other_element) }.any?
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end.all?
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end
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def attributes_and_associations(object)
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object.attributes.dup.tap do |attributes|
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attributes[:files] = object.files if defined? object.files
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end.except('id', 'created_at', 'updated_at', 'exercise_id', 'uuid')
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end
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end
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