Class: RuboCop::Cop::Minitest::LiteralAsActualArgument

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
ArgumentRangeHelper
Defined in:
lib/rubocop/cop/minitest/literal_as_actual_argument.rb

Overview

Enforces correct order of expected and actual arguments for ‘assert_equal`.

Examples:

# bad
assert_equal foo, 2
assert_equal foo, [1, 2]
assert_equal foo, [1, 2], 'message'

# good
assert_equal 2, foo
assert_equal [1, 2], foo
assert_equal [1, 2], foo, 'message'

Constant Summary collapse

MSG = 
'Replace the literal with the first argument.'
RESTRICT_ON_SEND = 
i[assert_equal].freeze

Instance Method Summary collapse

Instance Method Details

#on_send(node) ⇒ Object 



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

def on_send(node)
  return unless node.method?(:assert_equal)

  expected, actual, _message = *node.arguments
  return unless actual&.recursive_basic_literal?
  return if expected.recursive_basic_literal?

  add_offense(all_arguments_range(node)) do |corrector|
    autocorrect(corrector, node, expected, actual)
  end
end