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require 'spec_helper'
describe Hashie::Extensions::Dash::PredefinedValues do
let(:extended_dash) do
Class.new(Hashie::Dash) do
include Hashie::Extensions::Dash::PredefinedValues
property :gender, values: %i[male female prefer_not_to_say]
property :age, values: (0..150)
end
end
it 'allows value within the predefined list' do
valid_dash = extended_dash.new(gender: :male)
expect(valid_dash.gender).to eq(:male)
end
it 'rejects value outside the predefined list' do
expect { extended_dash.new(gender: :unicorn) }
.to raise_error(ArgumentError, %(Invalid value for property 'gender'))
end
it 'accepts a range for predefined list' do
expect { extended_dash.new(age: -1) }
.to raise_error(ArgumentError, %(Invalid value for property 'age'))
end
it 'allows property to be nil' do
expect { extended_dash.new }
.not_to raise_error
end
it 'rejects non array or range for predefined list' do
expect do
class DashWithUnsupportedValueType < Hashie::Dash
include Hashie::Extensions::Dash::PredefinedValues
property :name, values: -> { :foo }
end
end.to raise_error(ArgumentError, %(`values` accepts an Array or a Range.))
end
let(:subclass) do
Class.new(extended_dash) do
property :language, values: %i[ruby javascript]
end
end
it 'passes property predefined list to subclasses' do
expect { subclass.new(gender: :unicorn) }
.to raise_error(ArgumentError, %(Invalid value for property 'gender'))
end
it 'allows subclass to define predefined list' do
expect { subclass.new(language: :ruby) }
.not_to raise_error
end
end
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