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Contents
# frozen_string_literal: true module RuboCop module Cop module Minitest # Enforces the test to use `assert_empty` # instead of using `assert_equal([], object)` or `assert_equal({}, object)`. # # @example # # bad # assert_equal([], object) # assert_equal({}, object) # # # good # assert_empty(object) # class AssertEmptyLiteral < Base include ArgumentRangeHelper extend AutoCorrector MSG = 'Prefer using `assert_empty(%<arguments>s)`.' RESTRICT_ON_SEND = %i[assert_equal].freeze def_node_matcher :assert_equal_with_empty_literal, <<~PATTERN (send nil? :assert_equal ${hash array} $_+) PATTERN def on_send(node) assert_equal_with_empty_literal(node) do |literal, matchers| return unless literal.values.empty? args = matchers.map(&:source).join(', ') message = format(MSG, literal: literal.source, arguments: args) add_offense(node, message: message) do |corrector| object = matchers.first corrector.replace(node.loc.selector, 'assert_empty') corrector.replace(first_and_second_arguments_range(node), object.source) end end end end end end end
Version data entries
3 entries across 3 versions & 1 rubygems