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describe "calling methods on the model instance" do
before do
define_model("User", age: :integer, age_copy: :integer) do
def age
read_attribute(:age) || 18
end
end
FactoryBot.define do
factory :user do
age_copy { age }
end
end
end
context "without the attribute being overridden" do
it "returns the correct value from the instance" do
expect(FactoryBot.build(:user).age_copy).to eq 18
end
it "returns nil during attributes_for" do
expect(FactoryBot.attributes_for(:user)[:age_copy]).to be_nil
end
it "doesn't instantiate a record with attributes_for" do
allow(User).to receive(:new)
FactoryBot.attributes_for(:user)
expect(User).to_not have_received(:new)
end
end
context "with the attribute being overridden" do
it "uses the overridden value" do
expect(FactoryBot.build(:user, age_copy: nil).age_copy).to be_nil
end
it "uses the overridden value during attributes_for" do
expect(FactoryBot.attributes_for(:user, age_copy: 25)[:age_copy]).to eq 25
end
end
context "with the referenced attribute being overridden" do
it "uses the overridden value" do
expect(FactoryBot.build(:user, age: nil).age_copy).to be_nil
end
it "uses the overridden value during attributes_for" do
expect(FactoryBot.attributes_for(:user, age: 25)[:age_copy]).to eq 25
end
end
end
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