class RuboCop::Cop::RSpec::LetBeforeExamples
Checks for ‘let` definitions that come after an example.
@example
# bad let(:foo) { bar } it 'checks what foo does' do expect(foo).to be end let(:some) { other } it 'checks what some does' do expect(some).to be end # good let(:foo) { bar } let(:some) { other } it 'checks what foo does' do expect(foo).to be end it 'checks what some does' do expect(some).to be end
Constants
- MSG
Public Class Methods
autocorrect_incompatible_with()
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 54 def self.autocorrect_incompatible_with [RSpec::ScatteredLet] end
Public Instance Methods
on_block(node)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 58 def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler return unless example_group_with_body?(node) check_let_declarations(node.body) if multiline_block?(node.body) end
Private Instance Methods
autocorrect(corrector, node, first_example)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 93 def autocorrect(corrector, node, first_example) RuboCop::RSpec::Corrector::MoveNode.new( node, corrector, processed_source ).move_before(first_example) end
check_let_declarations(node)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 74 def check_let_declarations(node) first_example = find_first_example(node) return unless first_example correct = !example_group_with_include_examples?(node) first_example.right_siblings.each do |sibling| next unless let?(sibling) add_offense(sibling) do |corrector| autocorrect(corrector, sibling, first_example) if correct end end end
example_group_with_include_examples?(body)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 66 def example_group_with_include_examples?(body) body.children.any? { |sibling| include_examples?(sibling) } end
find_first_example(node)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 89 def find_first_example(node) node.children.find { |sibling| example_or_group?(sibling) } end
multiline_block?(block)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 70 def multiline_block?(block) block.begin_type? end