Class: RuboCop::Cop::RSpec::Eq

Inherits:
Base
  • Object
show all
Extended by:
AutoCorrector
Includes:
RangeHelp
Defined in:
lib/rubocop/cop/rspec/eq.rb

Overview

Use ‘eq` instead of `be ==` to compare objects.

Examples:

# bad
expect(foo).to be == 42

# good
expect(foo).to eq 42

Constant Summary collapse

MSG = 
'Use `eq` instead of `be ==` to compare objects.'
RESTRICT_ON_SEND = 
Runners.all

Instance Method Summary collapse

Methods inherited from Base

inherited, #on_new_investigation

Methods included from RSpec::Language::NodePattern

#block_or_numblock_pattern, #block_pattern, #numblock_pattern, #send_pattern

Methods included from RSpec::Language

#example?, #example_group?, #example_group_with_body?, #explicit_rspec?, #hook?, #include?, #let?, #rspec?, #shared_group?, #spec_group?, #subject?

Instance Method Details

#be_equals(node) ⇒ Object 



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# File 'lib/rubocop/cop/rspec/eq.rb', line 23

def_node_matcher :be_equals, <<~PATTERN
  (send _ #Runners.all $(send (send nil? :be) :== _))
PATTERN

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/rspec/eq.rb', line 27

def on_send(node)
  be_equals(node) do |matcher|
    range = offense_range(matcher)
    add_offense(range) do |corrector|
      corrector.replace(range, 'eq')
    end
  end
end