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Contents
require 'models'
RSpec.describe "ActiveRecord::Base subclass with #actable" do
subject { Product }
let(:pen_attributes) { {name: 'pen', price: 0.8, color: 'red'} }
let(:pen) { Pen.new pen_attributes }
it "has a polymorphic belongs_to :actable relation" do
association = subject.reflect_on_all_associations.find { |r| r.name == :actable }
expect(association).to_not be_nil
expect(association.macro).to eq(:belongs_to)
expect(association).to be_polymorphic
end
describe "#actable?" do
it "returns true for actable models" do
expect(Product.actable?).to be true
end
it "returns false for none actable models" do
expect(Pen.actable?).to be false
end
end
describe "#actable_reflection" do
it "returns an activerecord assosiation reflection" do
expect(Product.actable_reflection).to_not be_nil
expect(Product.actable_reflection).to be_a(ActiveRecord::Reflection::AssociationReflection)
end
end
describe "#specific" do
context "when a submodel instance exists" do
it 'returns it' do
pen.save!
pen.color = 'cyan'
expect(pen.acting_as.specific).to eq(pen)
expect(pen.acting_as.specific.color).to eq('cyan')
end
end
context "when no submodel instance exists" do
it 'returns nil' do
expect(subject.new.specific).to be_nil
end
end
end
it "raises NoMethodError for undefined methods on specific" do
pen.save
expect{ pen.product.raise_error }.to raise_error(NoMethodError, /undefined method `non_existant_method' for #<Pen/)
end
it "deletes specific subclass on destroy" do
pen.save
pen.product.destroy
expect { pen.reload }.to raise_error(ActiveRecord::RecordNotFound)
end
it "saves submodel on save" do
pen.save
product = pen.acting_as
product.specific.color = 'blue'
product.save
pen.reload
expect(pen.color).to eq('blue')
end
end
Version data entries
21 entries across 21 versions & 1 rubygems