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require 'spec_helper'
describe Virtus::Attribute, '.build' do
subject { described_class.build(type, options) }
let(:options) { {} }
shared_examples_for 'a valid collection attribute instance' do
it { is_expected.to be_instance_of(Virtus::Attribute::Collection) }
it { is_expected.to be_frozen }
end
context 'when type is Array' do
let(:type) { Array }
it_behaves_like 'a valid collection attribute instance'
it 'sets default member type' do
expect(subject.type.member_type).to be(Axiom::Types::Object)
end
end
context 'when type is Array[Virtus::Attribute::Boolean]' do
let(:type) { Array[Virtus::Attribute::Boolean] }
it_behaves_like 'a valid collection attribute instance'
it 'sets member type' do
expect(subject.type.member_type).to be(Axiom::Types::Boolean)
end
end
context 'when type is Array[Float]' do
let(:type) { Array[Float] }
it_behaves_like 'a valid collection attribute instance'
it 'sets member type' do
expect(subject.type.member_type).to be(Axiom::Types::Float)
end
end
context 'when type is Array[String, Integer]' do
let(:type) { Array[String, Integer] }
specify do
expect { subject }.to raise_error(
NotImplementedError,
"build SumType from list of types (#{type.inspect})"
)
end
end
context 'when type is Set' do
let(:type) { Set }
it_behaves_like 'a valid collection attribute instance'
it 'sets default member type' do
expect(subject.type.member_type).to be(Axiom::Types::Object)
end
end
context 'when type is Set[Float]' do
let(:type) { Set[Float] }
it_behaves_like 'a valid collection attribute instance'
it 'sets member type' do
expect(subject.type.member_type).to be(Axiom::Types::Float)
end
end
context 'when type is an Enumerable' do
let(:type) { Class.new { include Enumerable } }
it_behaves_like 'a valid collection attribute instance'
end
context 'when type is Array subclass' do
let(:type) { Class.new(Array) }
it_behaves_like 'a valid collection attribute instance'
end
context 'when type is a custom collection instance' do
let(:type) { Class.new(Array)[String] }
it_behaves_like 'a valid collection attribute instance'
it 'sets member type' do
expect(subject.type.member_type).to be(Axiom::Types::String)
end
end
context 'when strict mode is used' do
let(:type) { Array[String] }
let(:options) { { strict: true } }
it 'sets strict mode for member type' do
expect(subject.member_type).to be_strict
end
end
end
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