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Contents?: true
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Versions: 12
Compression:
Stored size: 1.29 KB
Contents
# frozen_string_literal: true
module RuboCop
module Cop
module RSpec
# Check that before/after(:all) isn't being used.
#
# @example
# # bad
# #
# # Faster but risk of state leaking between examples
# #
# describe MyClass do
# before(:all) { Widget.create }
# after(:all) { Widget.delete_all }
# end
#
# # good
# #
# # Slower but examples are properly isolated
# #
# describe MyClass do
# before(:each) { Widget.create }
# after(:each) { Widget.delete_all }
# end
class BeforeAfterAll < Cop
MSG = 'Beware of using `%<hook>s` as it may cause state to leak '\
'between tests. If you are using `rspec-rails`, and '\
'`use_transactional_fixtures` is enabled, then records created '\
'in `%<hook>s` are not automatically rolled back.'
def_node_matcher :before_or_after_all, <<-PATTERN
$(send _ {:before :after} (sym {:all :context}))
PATTERN
def on_send(node)
before_or_after_all(node) do |hook|
add_offense(
node,
message: format(MSG, hook: hook.source)
)
end
end
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems