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describe "modifying factories" do
include FactoryBot::Syntax::Methods
before do
define_model("User", name: :string, admin: :boolean, email: :string, login: :string)
FactoryBot.define do
sequence(:email) { |n| "user#{n}@example.com" }
factory :user do
email
after(:create) do |user|
user.login = user.name.upcase if user.name
end
factory :admin do
admin { true }
end
end
end
end
context "simple modification" do
before do
FactoryBot.modify do
factory :user do
name { "Great User" }
end
end
end
subject { create(:user) }
its(:name) { should eq "Great User" }
its(:login) { should eq "GREAT USER" }
it "doesn't allow the factory to be subsequently defined" do
expect {
FactoryBot.define { factory :user }
}.to raise_error(FactoryBot::DuplicateDefinitionError, "Factory already registered: user")
end
it "does allow the factory to be subsequently modified" do
FactoryBot.modify do
factory :user do
name { "Overridden again!" }
end
end
expect(create(:user).name).to eq "Overridden again!"
end
end
context "adding callbacks" do
before do
FactoryBot.modify do
factory :user do
name { "Great User" }
after(:create) do |user|
user.name = user.name.downcase
user.login = nil
end
end
end
end
subject { create(:user) }
its(:name) { should eq "great user" }
its(:login) { should be_nil }
end
context "reusing traits" do
before do
FactoryBot.define do
trait :rockstar do
name { "Johnny Rockstar!!!" }
end
end
FactoryBot.modify do
factory :user do
rockstar
email { "#{name}@example.com" }
end
end
end
subject { create(:user) }
its(:name) { should eq "Johnny Rockstar!!!" }
its(:email) { should eq "Johnny Rockstar!!!@example.com" }
its(:login) { should eq "JOHNNY ROCKSTAR!!!" }
end
context "redefining attributes" do
before do
FactoryBot.modify do
factory :user do
email { "#{name}-modified@example.com" }
name { "Great User" }
end
end
end
context "creating user" do
context "without overrides" do
subject { create(:user) }
its(:name) { should eq "Great User" }
its(:email) { should eq "Great User-modified@example.com" }
end
context "overriding the email" do
subject { create(:user, email: "perfect@example.com") }
its(:name) { should eq "Great User" }
its(:email) { should eq "perfect@example.com" }
end
context "overriding the name" do
subject { create(:user, name: "wonderful") }
its(:name) { should eq "wonderful" }
its(:email) { should eq "wonderful-modified@example.com" }
end
end
context "creating admin" do
context "without overrides" do
subject { create(:admin) }
its(:name) { should eq "Great User" }
its(:email) { should eq "Great User-modified@example.com" }
its(:admin) { should be true }
end
context "overriding the email" do
subject { create(:admin, email: "perfect@example.com") }
its(:name) { should eq "Great User" }
its(:email) { should eq "perfect@example.com" }
its(:admin) { should be true }
end
context "overriding the name" do
subject { create(:admin, name: "wonderful") }
its(:name) { should eq "wonderful" }
its(:email) { should eq "wonderful-modified@example.com" }
its(:admin) { should be true }
end
end
end
it "doesn't overwrite already defined child's attributes" do
FactoryBot.modify do
factory :user do
admin { false }
end
end
expect(create(:admin)).to be_admin
end
it "allows for overriding child classes" do
FactoryBot.modify do
factory :admin do
admin { false }
end
end
expect(create(:admin)).not_to be_admin
end
it "raises an exception if the factory was not defined before" do
modify_unknown_factory = -> do
FactoryBot.modify do
factory :unknown_factory
end
end
expect(&modify_unknown_factory).to raise_error(KeyError)
end
end
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