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require 'mocha/backtrace_filter'
require 'mocha/expectation_error'
module Mocha
# This factory determines what class of exception should be raised when Mocha detects a test failure.
#
# This class should only be used by authors of test libraries and not by typical "users" of Mocha.
#
# For example, it is used by +Mocha::Integration::Minitest::Adapter+ in order to have Mocha raise a +Minitest::Assertion+ which can then be sensibly handled by +Minitest::Unit::TestCase+.
#
# @see Mocha::Integration::Minitest::Adapter
class ExpectationErrorFactory
class << self
# @!attribute exception_class
# Determines what class of exception should be raised when Mocha detects a test failure.
#
# This attribute may be set by authors of test libraries in order to have Mocha raise exceptions of a specific class when there is an unexpected invocation or an unsatisfied expectation.
#
# By default a +Mocha::ExpectationError+ will be raised.
#
# @return [Exception] class of exception to be raised when an expectation error occurs
# @see Mocha::ExpectationError
attr_accessor :exception_class
# @private
def build(message = nil, backtrace = [])
exception = exception_class.new(message)
filter = BacktraceFilter.new
exception.set_backtrace(filter.filtered(backtrace))
exception
end
end
self.exception_class = ExpectationError
end
end
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