63 lines
1.8 KiB
Ruby
63 lines
1.8 KiB
Ruby
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require 'capybara/rspec/matchers'
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module RuboCop
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module Cop
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module Zammad
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# This cop is used to identify usages of `have_*` RSpec matcher together with `not_to`.
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# `have_no_*` with `to` is preferred
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#
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# @example
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# # bad
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# expect(page).not_to have_css('#elem')
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#
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# # good
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# expect(page).to have_no_css('#elem')
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class HaveNoOverNotTo < Base
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extend AutoCorrector
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MSG = 'Prefer `.to %<replacement>s` over `.not_to %<original>s`.'.freeze
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def_node_matcher :on_have_not_no, '(send (send nil? :expect ...) :not_to (send nil? #matcher_to_replace? ...))'
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def matcher_to_replace?(matcher_name)
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have_not_no?(matcher_name) && capybara_matcher?(matcher_name)
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end
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def have_not_no?(matcher_name)
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matcher_name.match?(/^have_(?!no)/)
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end
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def capybara_matcher?(matcher_name)
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Capybara::RSpecMatchers.instance_methods.include?(matcher_name)
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end
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def on_send(node)
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on_have_not_no(node) do
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add_offense(node, message: message(node)) do |corrector|
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corrector.replace(original_matcher_node(node).loc.selector, alternative_matcher(node))
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corrector.replace(node.loc.selector, 'to')
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end
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end
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end
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def original_matcher_node(node)
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node.children[2]
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end
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def original_matcher(node)
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original_matcher_node(node).method_name
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end
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def alternative_matcher(node)
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original_matcher(node).to_s.sub 'have_', 'have_no_'
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end
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def message(node)
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message = format(MSG, replacement: alternative_matcher(node), original: original_matcher(node))
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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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