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require 'spec_helper'
describe Virtus, '.model' do
shared_examples_for 'a model with constructor' do
it 'accepts attribute hash' do
instance = subject.new(:name => 'Jane')
expect(instance.name).to eql('Jane')
end
end
shared_examples_for 'a model with mass-assignment' do
let(:attributes) do
{ :name => 'Jane', :something => nil }
end
before do
instance.attributes = attributes
end
it 'accepts attribute hash' do
expect(instance.attributes).to eql(attributes)
end
end
shared_examples_for 'a model with strict mode turned off' do
it 'has attributes with strict set to false' do
expect(subject.send(:attribute_set)[:name]).to_not be_strict
end
end
context 'with default configuration' do
let(:mod) { Virtus.model }
context 'with a class' do
let(:model) { Class.new }
subject { model }
before do
subject.send(:include, mod)
subject.attribute :name, String, :default => 'Jane'
subject.attribute :something
end
it_behaves_like 'a model with constructor'
it_behaves_like 'a model with strict mode turned off'
it_behaves_like 'a model with mass-assignment' do
let(:instance) { subject.new }
end
it 'defaults to Object for attribute type' do
expect(model.attribute_set[:something].type).to be(Axiom::Types::Object)
end
context 'with a sub-class' do
subject { Class.new(model) }
before do
subject.attribute :age, Integer
end
it_behaves_like 'a model with constructor'
it_behaves_like 'a model with strict mode turned off'
it_behaves_like 'a model with mass-assignment' do
let(:instance) { subject.new }
let(:attributes) {
{ :name => 'Jane', :something => nil, :age => 23 }
}
end
it 'has its own attributes' do
expect(subject.attribute_set[:age]).to be_kind_of(Virtus::Attribute)
end
end
end
context 'with an instance' do
subject { Class.new.new }
before do
subject.extend(mod)
subject.attribute :name, String
subject.attribute :something
end
it_behaves_like 'a model with strict mode turned off'
it_behaves_like 'a model with mass-assignment' do
let(:instance) { subject }
end
end
end
context 'when constructor is disabled' do
subject { Class.new.send(:include, mod) }
let(:mod) { Virtus.model(:constructor => false) }
it 'does not accept attribute hash in the constructor' do
expect { subject.new({}) }.to raise_error(ArgumentError)
end
end
context 'when strict mode is enabled' do
let(:mod) { Virtus.model(:strict => true) }
let(:model) { Class.new }
context 'with a class' do
subject { model.new }
before do
model.send(:include, mod)
model.attribute :name, String
end
it 'has attributes with strict set to true' do
expect(model.attribute_set[:name]).to be_strict
end
end
context 'with an instance' do
subject { model.new }
before do
subject.extend(mod)
subject.attribute :name, String
end
it 'has attributes with strict set to true' do
expect(subject.send(:attribute_set)[:name]).to be_strict
end
end
end
context 'when mass-assignment is disabled' do
let(:mod) { Virtus.model(:mass_assignment => false) }
let(:model) { Class.new }
context 'with a class' do
subject { model.new }
before do
model.send(:include, mod)
end
it { is_expected.not_to respond_to(:attributes) }
it { is_expected.not_to respond_to(:attributes=) }
end
context 'with an instance' do
subject { model.new }
before do
subject.extend(mod)
end
it { is_expected.not_to respond_to(:attributes) }
it { is_expected.not_to respond_to(:attributes=) }
end
end
context 'when :required is set' do
let(:mod) { Virtus.model(:required => false) }
let(:model) { Class.new }
context 'with a class' do
subject { model.new }
before do
model.send(:include, mod)
model.attribute :name, String
end
it 'has attributes with :required option inherited from module' do
expect(model.attribute_set[:name]).to_not be_required
end
end
context 'with an instance' do
subject { model.new }
before do
subject.extend(mod)
subject.attribute :name, String
end
it 'has attributes with strict set to true' do
expect(subject.send(:attribute_set)[:name]).not_to be_required
end
end
end
end
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