79 lines
2.4 KiB
Ruby
79 lines
2.4 KiB
Ruby
# frozen_string_literal: true
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module RuboCop
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module Cop
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module RSpec
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# This cop checks for `allow_any_instance_of` or `expect_any_instance_of`
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# usage in specs.
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#
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# @example
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#
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# # bad
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# allow_any_instance_of(User).to receive(:invalidate_issue_cache_counts)
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#
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# # bad
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# expect_any_instance_of(User).to receive(:invalidate_issue_cache_counts)
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#
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# # good
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# allow_next_instance_of(User) do |instance|
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# allow(instance).to receive(:invalidate_issue_cache_counts)
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# end
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#
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# # good
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# expect_next_instance_of(User) do |instance|
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# expect(instance).to receive(:invalidate_issue_cache_counts)
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# end
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#
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class AnyInstanceOf < RuboCop::Cop::Cop
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MESSAGE_EXPECT = 'Do not use `expect_any_instance_of` method, use `expect_next_instance_of` instead.'
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MESSAGE_ALLOW = 'Do not use `allow_any_instance_of` method, use `allow_next_instance_of` instead.'
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def_node_search :expect_any_instance_of?, <<~PATTERN
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(send (send nil? :expect_any_instance_of ...) ...)
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PATTERN
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def_node_search :allow_any_instance_of?, <<~PATTERN
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(send (send nil? :allow_any_instance_of ...) ...)
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PATTERN
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def on_send(node)
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if expect_any_instance_of?(node)
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add_offense(node, location: :expression, message: MESSAGE_EXPECT)
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elsif allow_any_instance_of?(node)
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add_offense(node, location: :expression, message: MESSAGE_ALLOW)
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end
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end
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def autocorrect(node)
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replacement =
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if expect_any_instance_of?(node)
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replacement_any_instance_of(node, 'expect')
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elsif allow_any_instance_of?(node)
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replacement_any_instance_of(node, 'allow')
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end
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lambda do |corrector|
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corrector.replace(node.loc.expression, replacement)
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end
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end
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private
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def replacement_any_instance_of(node, rspec_prefix)
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method_call =
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node.receiver.source.sub(
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"#{rspec_prefix}_any_instance_of",
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"#{rspec_prefix}_next_instance_of")
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block = <<~RUBY.chomp
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do |instance|
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#{rspec_prefix}(instance).#{node.method_name} #{node.children.last.source}
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end
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RUBY
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"#{method_call} #{block}"
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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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