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Contents
# frozen_string_literal: true
module Fixtury
# A container that manages the execution of a definition in the context of a store.
class DefinitionExecutor
attr_reader :value, :definition, :store
def initialize(store: nil, definition:)
@store = store
@definition = definition
@value = nil
end
def call
run_definition
value
end
private
# If the callable has a positive arity we generate a DependencyStore
# and yield it to the callable. Otherwise we just instance_eval the callable.
# We wrap the actual execution of the definition with a hook for observation.
def run_definition
callable = definition.callable
@value = if callable.arity.positive?
deps = build_dependency_store
::Fixtury.hooks.call(:execution, self) do
instance_exec(deps, &callable)
end
else
::Fixtury.hooks.call(:execution, self) do
instance_eval(&callable)
end
end
rescue Errors::Base
raise
rescue => e
raise Errors::DefinitionExecutionError.new(definition.pathname, e)
end
def build_dependency_store
DependencyStore.new(definition: definition, store: store)
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems