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 Instance Methods
on_block(node)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 46 def on_block(node) 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 76 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 58 def check_let_declarations(node) first_example = find_first_example(node) return unless first_example node.each_child_node do |child| next if child.sibling_index < first_example.sibling_index next unless let?(child) add_offense(child) do |corrector| autocorrect(corrector, child, first_example) end end end
find_first_example(node)
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# File lib/rubocop/cop/rspec/let_before_examples.rb, line 72 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 54 def multiline_block?(block) block.begin_type? end