Class: RuboCop::Cop::Minitest::EmptyLineBeforeAssertionMethods

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
RangeHelp, RuboCop::Cop::MinitestExplorationHelpers
Defined in:
lib/rubocop/cop/minitest/empty_line_before_assertion_methods.rb

Overview

Enforces empty line before assertion methods because it separates assertion phase.

Examples:


# bad
do_something
assert_equal(expected, actual)

# good
do_something

assert_equal(expected, actual)

Constant Summary collapse

MSG = 
'Add empty line before assertion.'

Constants included from RuboCop::Cop::MinitestExplorationHelpers

RuboCop::Cop::MinitestExplorationHelpers::ASSERTION_PREFIXES, RuboCop::Cop::MinitestExplorationHelpers::LIFECYCLE_HOOK_METHODS, RuboCop::Cop::MinitestExplorationHelpers::LIFECYCLE_HOOK_METHODS_IN_ORDER

Instance Method Summary collapse

Instance Method Details

#on_send(node) ⇒ Object

rubocop:disable Metrics/CyclomaticComplexity



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# File 'lib/rubocop/cop/minitest/empty_line_before_assertion_methods.rb', line 27

def on_send(node)
  return unless (assertion_method = assertion_method(node))
  return unless (previous_line_node = assertion_method.left_sibling)
  return if node.parent.resbody_type?
  return if accept_previous_line?(previous_line_node, assertion_method)

  previous_line_node = previous_line_node.last_argument if use_heredoc_argument?(previous_line_node)
  return if use_assertion_method_at_last_of_block?(previous_line_node)
  return unless no_empty_line?(previous_line_node, assertion_method)

  register_offense(assertion_method, previous_line_node)
end