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Contents
module Fixtury
class Dependency
# Resolve a Dependency from a multitude of input types
# @param parent [Fixtury::Definition] the parent definition
# @param thing [Fixtury::Dependency, Hash, Array, String, Symbol] the thing to resolve
# @option thing [Fixtury::Dependency] a dependency will be cloned.
# @option thing [Hash] a hash with exactly one key will be resolved as { accessor => search }.
# @option thing [Array] an array with two elements will be resolved as [ accessor, search ].
# @option thing [String, Symbol] a string or symbol will be resolved as both the accessor and the search.
# @return [Array<Fixtury::Dependency>] the resolved dependency
def self.from(parent, thing)
out = case thing
when self
Dependency.new(parent: parent, search: thing.search, accessor: thing.accessor)
when Hash
thing.each_with_object([]) do |(k, v), arr|
arr << Dependency.new(parent: parent, search: v, accessor: k)
end
when Array
raise ArgumentError, "Array must have an even number of elements" unless thing.size % 2 == 0
thing.each_slice(2).map do |pair|
Dependency.new(parent: parent, search: pair[1], accessor: pair[0])
end
when String, Symbol
Dependency.new(parent: parent, search: thing, accessor: thing)
else
raise ArgumentError, "Unknown dependency type: #{thing.inspect}"
end
Array(out)
end
attr_reader :parent, :search, :accessor
def initialize(parent:, search:, accessor:)
@parent = parent
@search = search.to_s
@accessor = accessor.to_s.split("/").last
end
def definition
@definition ||= parent&.get!(search)
end
def inspect
"#{self.class}(accessor: #{accessor.inspect}, search: #{search.inspect}, parent: #{parent.name.inspect})"
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems