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require 'mocha/parameter_matchers'
require 'mocha/mockery'
require 'mocha/sequence'
module Mocha # :nodoc:
# Methods added to Test::Unit::TestCase or equivalent.
module Standalone
include ParameterMatchers
# :call-seq: mock(name, &block) -> mock object
# mock(expected_methods = {}, &block) -> mock object
# mock(name, expected_methods = {}, &block) -> mock object
#
# Creates a mock object.
#
# +name+ is a +String+ identifier for the mock object.
#
# +expected_methods+ is a +Hash+ with expected method name symbols as keys and corresponding return values as values.
#
# Note that (contrary to expectations set up by #stub) these expectations <b>must</b> be fulfilled during the test.
# def test_product
# product = mock('ipod_product', :manufacturer => 'ipod', :price => 100)
# assert_equal 'ipod', product.manufacturer
# assert_equal 100, product.price
# # an error will be raised unless both Product#manufacturer and Product#price have been called
# end
#
# +block+ is an optional block to be evaluated against the mock object instance, giving an alernative way to set up expectations & stubs.
# def test_product
# product = mock('ipod_product') do
# expects(:manufacturer).returns('ipod')
# expects(:price).returns(100)
# end
# assert_equal 'ipod', product.manufacturer
# assert_equal 100, product.price
# # an error will be raised unless both Product#manufacturer and Product#price have been called
# end
def mock(*arguments, &block)
name = arguments.shift if arguments.first.is_a?(String)
expectations = arguments.shift || {}
mock = name ? Mockery.instance.named_mock(name, &block) : Mockery.instance.unnamed_mock(&block)
mock.expects(expectations)
mock
end
# :call-seq: stub(name, &block) -> mock object
# stub(stubbed_methods = {}, &block) -> mock object
# stub(name, stubbed_methods = {}, &block) -> mock object
#
# Creates a mock object.
#
# +name+ is a +String+ identifier for the mock object.
#
# +stubbed_methods+ is a +Hash+ with stubbed method name symbols as keys and corresponding return values as values.
# Note that (contrary to expectations set up by #mock) these expectations <b>need not</b> be fulfilled during the test.
# def test_product
# product = stub('ipod_product', :manufacturer => 'ipod', :price => 100)
# assert_equal 'ipod', product.manufacturer
# assert_equal 100, product.price
# # an error will not be raised even if Product#manufacturer and Product#price have not been called
# end
#
# +block+ is an optional block to be evaluated against the mock object instance, giving an alernative way to set up expectations & stubs.
# def test_product
# product = stub('ipod_product') do
# stubs(:manufacturer).returns('ipod')
# stubs(:price).returns(100)
# end
# assert_equal 'ipod', product.manufacturer
# assert_equal 100, product.price
# # an error will not be raised even if Product#manufacturer and Product#price have not been called
# end
def stub(*arguments, &block)
name = arguments.shift if arguments.first.is_a?(String)
expectations = arguments.shift || {}
stub = name ? Mockery.instance.named_mock(name, &block) : Mockery.instance.unnamed_mock(&block)
stub.stubs(expectations)
stub
end
# :call-seq: stub_everything(name, &block) -> mock object
# stub_everything(stubbed_methods = {}, &block) -> mock object
# stub_everything(name, stubbed_methods = {}, &block) -> mock object
#
# Creates a mock object that accepts calls to any method.
#
# By default it will return +nil+ for any method call.
#
# +block+ is a block to be evaluated against the mock object instance, giving an alernative way to set up expectations & stubs.
#
# +name+ and +stubbed_methods+ work in the same way as for #stub.
# def test_product
# product = stub_everything('ipod_product', :price => 100)
# assert_nil product.manufacturer
# assert_nil product.any_old_method
# assert_equal 100, product.price
# end
def stub_everything(*arguments, &block)
name = arguments.shift if arguments.first.is_a?(String)
expectations = arguments.shift || {}
stub = name ? Mockery.instance.named_mock(name, &block) : Mockery.instance.unnamed_mock(&block)
stub.stub_everything
stub.stubs(expectations)
stub
end
# :call-seq: sequence(name) -> sequence
#
# Returns a new sequence that is used to constrain the order in which expectations can occur.
#
# Specify that an expected invocation must occur in within a named +sequence+ by using Expectation#in_sequence.
#
# See also Expectation#in_sequence.
# breakfast = sequence('breakfast')
#
# egg = mock('egg')
# egg.expects(:crack).in_sequence(breakfast)
# egg.expects(:fry).in_sequence(breakfast)
# egg.expects(:eat).in_sequence(breakfast)
def sequence(name)
Sequence.new(name)
end
# :call-seq: states(name) -> state_machine
#
# Returns a new +state_machine+ that is used to constrain the order in which expectations can occur.
#
# Specify the initial +state+ of the +state_machine+ by using StateMachine#starts_as.
#
# Specify that an expected invocation should change the +state+ of the +state_machine+ by using Expectation#then.
#
# Specify that an expected invocation should be constrained to occur within a particular +state+ by using Expectation#when.
#
# A test can contain multiple +state_machines+.
#
# See also Expectation#then, Expectation#when and StateMachine.
# power = states('power').starts_as('off')
#
# radio = mock('radio')
# radio.expects(:switch_on).then(power.is('on'))
# radio.expects(:select_channel).with('BBC Radio 4').when(power.is('on'))
# radio.expects(:adjust_volume).with(+5).when(power.is('on'))
# radio.expects(:select_channel).with('BBC World Service').when(power.is('on'))
# radio.expects(:adjust_volume).with(-5).when(power.is('on'))
# radio.expects(:switch_off).then(power.is('off'))
def states(name)
Mockery.instance.new_state_machine(name)
end
def mocha_setup # :nodoc:
end
def mocha_verify(assertion_counter = nil) # :nodoc:
Mockery.instance.verify(assertion_counter)
end
def mocha_teardown # :nodoc:
Mockery.instance.teardown
Mockery.reset_instance
end
end
end
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