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module Mocha
# Used to constrain the order in which expectations can occur.
#
# @see API#sequence
# @see Expectation#in_sequence
class Sequence
# @private
class InSequenceOrderingConstraint
def initialize(sequence, index)
@sequence = sequence
@index = index
end
def allows_invocation_now?
@sequence.satisfied_to_index?(@index)
end
def mocha_inspect
"in sequence #{@sequence.mocha_inspect}"
end
end
# @private
def initialize(name)
@name = name
@expectations = []
end
# @private
def constrain_as_next_in_sequence(expectation)
index = @expectations.length
@expectations << expectation
expectation.add_ordering_constraint(InSequenceOrderingConstraint.new(self, index))
end
# @private
def satisfied_to_index?(index)
@expectations[0...index].all?(&:satisfied?)
end
# @private
def mocha_inspect
@name.mocha_inspect.to_s
end
end
end
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