class RuboCop::Cop::RSpec::BeNil


expect(foo).to be(nil)
# good
expect(foo).to be_nil
# bad
@example ‘EnforcedStyle: be`
expect(foo).to be_nil
# good
expect(foo).to be(nil)
# bad
@example `EnforcedStyle: be_nil` (default)
This cop can be configured using the `EnforcedStyle` option
generic `be` matcher with a `nil` argument.
You can either use the more specific `be_nil` matcher, or the more
Ensures a consistent style is used when matching `nil`.

def check_be_nil_style(node) 

def check_be_nil_style(node)
  return unless nil_value_expectation?(node)
  add_offense(node, message: BE_NIL_MSG) do |corrector|
    corrector.replace(node, 'be_nil')
  end
end

def check_be_style(node) 

def check_be_style(node)
  return unless be_nil_matcher?(node)
  add_offense(node, message: BE_MSG) do |corrector|
    corrector.replace(node, 'be(nil)')
  end
end

def on_send(node) 

def on_send(node)
  case style
  when :be
    check_be_style(node)
  when :be_nil
    check_be_nil_style(node)
  else
    # :nocov:
    :noop
    # :nocov:
  end
end