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# frozen_string_literal: true
require_relative './next_instance_of'
module AfterNextHelpers
class DeferredExpectation
include ::NextInstanceOf
include ::RSpec::Matchers
include ::RSpec::Mocks::ExampleMethods
def initialize(klass, args, level:)
@klass = klass
@args = args
@level = level.to_sym
end
def to(condition)
run_condition(condition, asserted: true)
end
def not_to(condition)
run_condition(condition, asserted: false)
end
private
attr_reader :klass, :args, :level
def run_condition(condition, asserted:)
msg = asserted ? :to : :not_to
case level
when :expect
if asserted
expect_next_instance_of(klass, *args) { |instance| expect(instance).send(msg, condition) }
else
allow_next_instance_of(klass, *args) { |instance| expect(instance).send(msg, condition) }
end
when :allow
allow_next_instance_of(klass, *args) { |instance| allow(instance).send(msg, condition) }
else
raise "Unknown level: #{level}"
end
end
end
def allow_next(klass, *args)
DeferredExpectation.new(klass, args, level: :allow)
end
def expect_next(klass, *args)
DeferredExpectation.new(klass, args, level: :expect)
end
end
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