70 lines
2.1 KiB
Ruby
70 lines
2.1 KiB
Ruby
# Copyright (C) 2012-2021 Zammad Foundation, http://zammad-foundation.org/
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class Sequencer
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class Unit
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extend ::Sequencer::Mixin::PrefixedConstantize
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PREFIX = 'Sequencer::Unit::'.freeze
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# Convenience wrapper for processing a single Unit.
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#
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# ATTENTION: This should only be used for development, testing or debugging purposes.
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# There might be a check in the future to prevent using this method in other scopes.
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#
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# @see #initialize
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# @see #process
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def self.process(unit, parameters, &block)
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new(unit).process(parameters, &block)
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end
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# Initializes a new Sequencer::Unit for processing it.
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#
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# ATTENTION: This should only be used for development, testing or debugging purposes.
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# There might be a check in the future to prevent using this method in other scopes.
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#
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# @param [String] unit the name String for the Unit that should get processed
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def initialize(unit)
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@unit = self.class.constantize(unit)
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end
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# Processes the Sequencer::Unit that the instance was initialized with.
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#
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# ATTENTION: This should only be used for development, testing or debugging purposes.
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# There might be a check in the future to prevent using this method in other scopes.
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#
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# @param [Hash{Symbol => Object}] parameters the parameters for initializing the Sequencer::State
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# @yield [instance] optional block to access the Unit instance
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# @yieldparam instance [Object] the Unit instance for e.g. adding expectations
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def process(parameters)
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@parameters = parameters
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instance = @unit.new(state)
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# yield instance to apply expectations
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yield instance if block_given?
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state.process do
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instance.process
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end
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state.to_h
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end
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private
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def state
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@state ||= begin
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units = Sequencer::Units.new(
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@unit.name
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)
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sequence = Sequencer::Sequence.new(
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units: units,
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expecting: @unit.provides,
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)
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Sequencer::State.new(sequence,
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parameters: @parameters)
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end
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end
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end
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end
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