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Contents
module RuboCop
module RSpec
# Helper methods for top level describe cops
module TopLevelDescribe
extend NodePattern::Macros
def_node_matcher :described_constant, <<-PATTERN
(block $(send _ :describe $(const ...)) (args) $_)
PATTERN
def on_send(node)
return unless respond_to?(:on_top_level_describe)
return unless top_level_describe?(node)
on_top_level_describe(node, node.arguments)
end
private
def top_level_describe?(node)
return false unless node.method_name == :describe
top_level_nodes.include?(node)
end
def top_level_nodes
nodes = describe_statement_children(root_node)
# If we have no top level describe statements, we need to check any
# blocks on the top level (e.g. after a require).
if nodes.empty?
nodes = root_node.each_child_node(:block).flat_map do |child|
describe_statement_children(child)
end
end
nodes
end
def root_node
processed_source.ast
end
def single_top_level_describe?
top_level_nodes.one?
end
def describe_statement_children(node)
node.each_child_node(:send).select do |element|
element.method_name == :describe
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems