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Contents
module RuboCop
module Cop
module Ezcater
# Enforce use of `mock_feature_flag` helper instead of mocking `FeatureFlag.is_active?` directly.
#
# @example
#
# # good
# mock_feature_flag("MyFeatureFlag", true)
# mock_feature_flag("MyFeatureFlag", { user: current_user }, true)
#
# # bad
# allow(FeatureFlag).to receive(:is_active?).and_return(true)
# allow(FeatureFlag).to receive(:is_active?).with("MyFeatureFlag").and_return(true)
# allow(FeatureFlag).to receive(:is_active?).with("MyFeatureFlag", user: current_user).and_return(true)
class RspecRequireFeatureFlagMock < Cop
MSG = "Use the `mock_feature_flag` helper instead of mocking `allow(FeatureFlag)`".freeze
def_node_matcher :feature_flag_const?, <<~PATTERN
(const _ :FeatureFlag)
PATTERN
def on_const(node)
return unless feature_flag_const?(node)
# Walk to send node where method = :allow
match_node = node
match_node = match_node.parent while not_allow_send_node?(match_node.parent)
match_node = match_node.parent
# Validate send node, method = :allow; could have never been found
return unless allow_send_node?(match_node)
# Finish tree navigation to full line for highlighting
match_node = match_node.parent while match_node.parent
add_offense(match_node, :expression)
end
private
def not_allow_send_node?(node)
node && !allow_send_node?(node)
end
def allow_send_node?(node)
node && node.send_type? && node.method_name == :allow
end
end
end
end
end
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10 entries across 10 versions & 1 rubygems