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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for `raise` or `fail` statements which do not specify an
# explicit exception class. (This raises a `RuntimeError`. Some projects
# might prefer to use exception classes which more precisely identify the
# nature of the error.)
#
# @example
# # bad
# raise 'Error message here'
#
# # good
# raise ArgumentError, 'Error message here'
class ImplicitRuntimeError < Base
MSG = 'Use `%<method>s` with an explicit exception class and message,' \
' rather than just a message.'
RESTRICT_ON_SEND = %i[raise fail].freeze
def_node_matcher :implicit_runtime_error_raise_or_fail,
'(send nil? ${:raise :fail} {str dstr})'
def on_send(node)
implicit_runtime_error_raise_or_fail(node) do |method|
add_offense(node, message: format(MSG, method: method))
end
end
end
end
end
end
Version data entries
30 entries across 30 versions & 2 rubygems