Class: Rubocop::Cop::Style::SignalException
- Defined in:
- lib/rubocop/cop/style/signal_exception.rb
Overview
This cop checks for uses of fail
and raise
.
Constant Summary collapse
- FAIL_MSG =
'Use `fail` instead of `raise` to signal exceptions.'
- RAISE_MSG =
'Use `raise` instead of `fail` to rethrow exceptions.'
Instance Attribute Summary
Attributes inherited from Cop
#autocorrect, #corrections, #debug, #disabled_lines, #offences
Instance Method Summary collapse
Methods inherited from Cop
#add_offence, all, #autocorrect_action, cop_name, cop_type, #do_autocorrect, #ignore_node, inherited, #initialize, lint?, #name, rails?, style?
Constructor Details
This class inherits a constructor from Rubocop::Cop::Cop
Instance Method Details
#check_for_fail(node) ⇒ Object
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# File 'lib/rubocop/cop/style/signal_exception.rb', line 28 def check_for_fail(node) return unless node on_node(:send, node, :rescue) do |send_node| if command?(:fail, send_node) add_offence(:convention, send_node.loc.selector, RAISE_MSG) end end end |
#check_for_raise(node) ⇒ Object
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# File 'lib/rubocop/cop/style/signal_exception.rb', line 18 def check_for_raise(node) return unless node on_node(:send, node, :rescue) do |send_node| if command?(:raise, send_node) add_offence(:convention, send_node.loc.selector, FAIL_MSG) end end end |
#on_rescue(node) ⇒ Object
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# File 'lib/rubocop/cop/style/signal_exception.rb', line 11 def on_rescue(node) begin_node, rescue_node = *node check_for_raise(begin_node) check_for_fail(rescue_node) end |