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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Discourse
# Use `eq_time` matcher with timestamps in specs.
#
# @example
# # bad
# expect(user.created_at).to eq(Time.zone.now)
#
# # good
# expect(user.created_at).to eq_time(Time.zone.now)
class TimeEqMatcher < Cop
MSG = "Use eq_time when testing timestamps"
def_node_matcher :using_eq_matcher_with_timestamp?, <<-MATCHER
(send
(send nil? :expect
(send ... #timestamp_suffix?))
{:to :not_to :to_not}
(send nil? :eq #not_nil?))
MATCHER
def on_send(node)
return unless using_eq_matcher_with_timestamp?(node)
add_offense(node, message: MSG)
end
def autocorrect(node)
lambda do |corrector|
corrector.replace(node.children.last.loc.selector, "eq_time")
end
end
private
def timestamp_suffix?(property)
property =~ /_at$/
end
def not_nil?(expression)
!expression.nil_type?
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems