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require 'mocha/central'
require 'mocha/mock'
require 'mocha/names'
require 'mocha/receivers'
require 'mocha/state_machine'
require 'mocha/logger'
require 'mocha/configuration'
require 'mocha/stubbing_error'
require 'mocha/not_initialized_error'
require 'mocha/expectation_error_factory'
module Mocha
class Mockery
class Null < self
def add_mock(*)
raise_not_initialized_error
end
def add_state_machine(*)
raise_not_initialized_error
end
def stubba
Central::Null.new(&method(:raise_not_initialized_error))
end
private
def raise_not_initialized_error
message = 'Mocha methods cannot be used outside the context of a test'
raise NotInitializedError.new(message, caller)
end
end
class << self
def instance
@instances.last || Null.new
end
def setup
@instances ||= []
mockery = new
mockery.logger = instance.logger unless @instances.empty?
@instances.push(mockery)
end
def verify(*args)
instance.verify(*args)
end
def teardown(origin = nil)
instance.teardown(origin)
ensure
@instances.pop
end
end
def named_mock(name)
add_mock(Mock.new(self, Name.new(name)))
end
def unnamed_mock
add_mock(Mock.new(self))
end
def mock_impersonating(object)
add_mock(Mock.new(self, ImpersonatingName.new(object), ObjectReceiver.new(object)))
end
def mock_impersonating_any_instance_of(klass)
add_mock(Mock.new(self, ImpersonatingAnyInstanceName.new(klass), AnyInstanceReceiver.new(klass)))
end
def new_state_machine(name)
add_state_machine(StateMachine.new(name))
end
def verify(assertion_counter = nil)
unless mocks.all? { |mock| mock.__verified__?(assertion_counter) }
message = "not all expectations were satisfied\n#{mocha_inspect}"
backtrace = if unsatisfied_expectations.empty?
caller
else
unsatisfied_expectations[0].backtrace
end
raise ExpectationErrorFactory.build(message, backtrace)
end
expectations.reject(&:used?).each do |expectation|
signature_proc = lambda { expectation.method_signature }
check(:stubbing_method_unnecessarily, 'method unnecessarily', signature_proc, expectation.backtrace)
end
end
def teardown(origin = nil)
stubba.unstub_all
mocks.each { |m| m.__expire__(origin) }
reset
end
def stubba
@stubba ||= Central.new
end
def mocks
@mocks ||= []
end
def state_machines
@state_machines ||= []
end
def sequences
@sequences ||= []
end
def mocha_inspect
message = ''
message << "unsatisfied expectations:\n- #{unsatisfied_expectations.map(&:mocha_inspect).join("\n- ")}\n" if unsatisfied_expectations.any?
message << "satisfied expectations:\n- #{satisfied_expectations.map(&:mocha_inspect).join("\n- ")}\n" if satisfied_expectations.any?
message << "states:\n- #{state_machines.map(&:mocha_inspect).join("\n- ")}\n" if state_machines.any?
message
end
def on_stubbing(object, method)
signature_proc = lambda { "#{object.mocha_inspect}.#{method}" }
check(:stubbing_non_existent_method, 'non-existent method', signature_proc) do
!(object.stubba_class.__method_exists__?(method, true) || object.respond_to?(method))
end
check(:stubbing_non_public_method, 'non-public method', signature_proc) do
object.stubba_class.__method_exists__?(method, false)
end
check(:stubbing_method_on_nil, 'method on nil', signature_proc) { object.nil? }
check(:stubbing_method_on_non_mock_object, 'method on non-mock object', signature_proc)
end
attr_writer :logger
def logger
@logger ||= Logger.new($stderr)
end
private
def check(action, description, signature_proc, backtrace = caller)
treatment = Mocha.configuration.send(action)
return if (treatment == :allow) || (block_given? && !yield)
method_signature = signature_proc.call
message = "stubbing #{description}: #{method_signature}"
raise StubbingError.new(message, backtrace) if treatment == :prevent
logger.warn(message) if treatment == :warn
end
def expectations
mocks.map { |mock| mock.__expectations__.to_a }.flatten
end
def unsatisfied_expectations
expectations.reject(&:verified?)
end
def satisfied_expectations
expectations.select(&:verified?)
end
def add_mock(mock)
mocks << mock
mock
end
def add_state_machine(state_machine)
state_machines << state_machine
state_machine
end
def reset
@stubba = nil
@mocks = nil
@state_machines = nil
end
end
end
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