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RSpec::Mocks::AnyInstance::Recorder

Given a class `TheClass`, `TheClass.any_instance` returns a `Recorder`, which records stubs and message expectations for later playback on instances of `TheClass`.

Further constraints are stored in instances of [Chain](Chain).

@see AnyInstance @see Chain

Attributes

klass[R]

@private

message_chains[R]

@private

stubs[R]

@private

Public Class Methods

new(klass) click to toggle source
# File lib/rspec/mocks/any_instance/recorder.rb, line 16
def initialize(klass)
  @message_chains = MessageChains.new
  @stubs = Hash.new { |hash,key| hash[key] = [] }
  @observed_methods = []
  @played_methods = {}
  @klass = klass
  @expectation_set = false
end

Public Instance Methods

already_observing?(method_name) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 120
def already_observing?(method_name)
  @observed_methods.include?(method_name) || super_class_observing?(method_name)
end
build_alias_method_name(method_name) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 115
def build_alias_method_name(method_name)
  "__#{method_name}_without_any_instance__"
end
expect_chain(*method_names_and_optional_return_values, &block) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 47
def expect_chain(*method_names_and_optional_return_values, &block)
  @expectation_set = true
  normalize_chain(*method_names_and_optional_return_values) do |method_name, args|
    observe!(method_name)
    message_chains.add(method_name, ExpectChainChain.new(self, *args, &block))
  end
end
instance_that_received(method_name) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 110
def instance_that_received(method_name)
  @played_methods[method_name]
end
notify_received_message(object, message, args, blk) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 125
def notify_received_message(object, message, args, blk)
  has_expectation = false

  message_chains.each_unfulfilled_expectation_matching(message, *args) do |expectation|
    has_expectation = true
    expectation.expectation_fulfilled!
  end

  if has_expectation
    restore_method!(message)
    mark_invoked!(message)
  end
end
playback!(instance, method_name) click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 102
def playback!(instance, method_name)
  RSpec::Mocks.space.ensure_registered(instance)
  message_chains.playback!(instance, method_name)
  @played_methods[method_name] = instance
  received_expected_message!(method_name) if message_chains.has_expectation?(method_name)
end
should_not_receive(method_name, &block) click to toggle source

The opposite of `should_receive`

@see Methods#should_not_receive

# File lib/rspec/mocks/any_instance/recorder.rb, line 69
def should_not_receive(method_name, &block)
  should_receive(method_name, &block).never
end
should_receive(method_name, &block) click to toggle source

Initializes the recording a message expectation to be played back against any instance of this object that invokes the submitted method.

@see Methods#should_receive

# File lib/rspec/mocks/any_instance/recorder.rb, line 60
def should_receive(method_name, &block)
  @expectation_set = true
  observe!(method_name)
  message_chains.add(method_name, PositiveExpectationChain.new(self, method_name, &block))
end
stop_all_observation!() click to toggle source

@private

# File lib/rspec/mocks/any_instance/recorder.rb, line 97
def stop_all_observation!
  @observed_methods.each {|method_name| restore_method!(method_name)}
end
stub(method_name, &block) click to toggle source

Initializes the recording a stub to be played back against any instance of this object that invokes the submitted method.

@see Methods#stub

# File lib/rspec/mocks/any_instance/recorder.rb, line 29
def stub(method_name, &block)
  observe!(method_name)
  message_chains.add(method_name, StubChain.new(self, method_name, &block))
end
stub_chain(*method_names_and_optional_return_values, &block) click to toggle source

Initializes the recording a stub chain to be played back against any instance of this object that invokes the method matching the first argument.

@see Methods#stub_chain

# File lib/rspec/mocks/any_instance/recorder.rb, line 39
def stub_chain(*method_names_and_optional_return_values, &block)
  normalize_chain(*method_names_and_optional_return_values) do |method_name, args|
    observe!(method_name)
    message_chains.add(method_name, StubChainChain.new(self, *args, &block))
  end
end
unstub(method_name) click to toggle source

Removes any previously recorded stubs, stub_chains or message expectations that use `method_name`.

@see Methods#unstub

# File lib/rspec/mocks/any_instance/recorder.rb, line 77
def unstub(method_name)
  unless @observed_methods.include?(method_name.to_sym)
    raise RSpec::Mocks::MockExpectationError, "The method `#{method_name}` was not stubbed or was already unstubbed"
  end
  message_chains.remove_stub_chains_for!(method_name)
  stubs[method_name].clear
  stop_observing!(method_name) unless message_chains.has_expectation?(method_name)
end
verify() click to toggle source

@api private

Used internally to verify that message expectations have been fulfilled.

# File lib/rspec/mocks/any_instance/recorder.rb, line 90
def verify
  if @expectation_set && !message_chains.all_expectations_fulfilled?
    raise RSpec::Mocks::MockExpectationError, "Exactly one instance should have received the following message(s) but didn't: #{message_chains.unfulfilled_expectations.sort.join(', ')}"
  end
end

Protected Instance Methods

stop_observing!(method_name) click to toggle source
# File lib/rspec/mocks/any_instance/recorder.rb, line 141
def stop_observing!(method_name)
  restore_method!(method_name)
  @observed_methods.delete(method_name)
  super_class_observers_for(method_name).each do |ancestor|
    ::RSpec::Mocks.space.
      any_instance_recorder_for(ancestor).stop_observing!(method_name)
  end
end

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