Class: RuboCop::Cop::RSpec::VoidExpect

Inherits:
Base
  • Object
show all
Defined in:
lib/rubocop/cop/rspec/void_expect.rb

Overview

Checks void ‘expect()`.

Examples:

# bad
expect(something)

# good
expect(something).to be(1)

Constant Summary collapse

MSG = 
'Do not use `expect()` without `.to` or `.not_to`. ' \
'Chain the methods or remove it.'
RESTRICT_ON_SEND = 
%i[expect].freeze

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

#expect?(node) ⇒ Object 



21
22
23
 
# File 'lib/rubocop/cop/rspec/void_expect.rb', line 21

def_node_matcher :expect?, <<~PATTERN
  (send nil? :expect ...)
PATTERN

#expect_block?(node) ⇒ Object 



26
27
28
 
# File 'lib/rubocop/cop/rspec/void_expect.rb', line 26

def_node_matcher :expect_block?, <<~PATTERN
  (block #expect? (args) _body)
PATTERN

#on_block(node) ⇒ Object

rubocop:disable InternalAffairs/NumblockHandler



36
37
38
39
40
 
# File 'lib/rubocop/cop/rspec/void_expect.rb', line 36

def on_block(node) # rubocop:disable InternalAffairs/NumblockHandler
  return unless expect_block?(node)

  check_expect(node)
end

#on_send(node) ⇒ Object 



30
31
32
33
34
 
# File 'lib/rubocop/cop/rspec/void_expect.rb', line 30

def on_send(node)
  return unless expect?(node)

  check_expect(node)
end