58 lines
1.4 KiB
Ruby
58 lines
1.4 KiB
Ruby
module Capybara
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class Result
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include Enumerable
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def initialize(elements, query)
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@unfiltered_elements = elements
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@filtered_elements = elements.select { |node| query.matches_filters?(node) }
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@query = query
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end
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def each(&block)
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@filtered_elements.each(&block)
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end
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def first
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@filtered_elements.first
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end
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def matches_count?
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@query.matches_count?(@filtered_elements.size)
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end
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def find!
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raise find_error if @filtered_elements.count != 1
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@filtered_elements.first
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end
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def size; @filtered_elements.size; end
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alias_method :length, :size
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alias_method :count, :size
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def find_error
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if @filtered_elements.count == 0
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Capybara::ElementNotFound.new("Unable to find #{@query.description}")
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elsif @filtered_elements.count > 1
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Capybara::Ambiguous.new("Ambiguous match, found #{size} elements matching #{@query.description}")
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end
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end
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def failure_message
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if @query.options[:count]
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"expected #{@query.description} to be returned #{@query.options[:count]} times, was found #{size} times"
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else
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"expected to find #{@query.description} but there were no matches"
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end
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end
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def negative_failure_message
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"expected not to find #{@query.description}, but there were #{size} matches"
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end
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def empty?
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@filtered_elements.empty?
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end
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def [](key); @filtered_elements[key]; end
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end
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end
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