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unless ActiveSupport::Notifications.respond_to?(:subscribed)
module SubscribedBehavior
def subscribed(callback, *args)
subscriber = subscribe(*args, &callback)
yield
ensure
unsubscribe(subscriber)
end
end
ActiveSupport::Notifications.extend SubscribedBehavior
end
describe "using ActiveSupport::Instrumentation to track run_factory interaction" do
let(:slow_user_factory) { FactoryBot::Internal.factory_by_name("slow_user") }
let(:user_factory) { FactoryBot::Internal.factory_by_name("user") }
before do
define_model("User", email: :string)
define_model("Post", user_id: :integer) do
belongs_to :user
end
FactoryBot.define do
factory :user do
email { "john@example.com" }
factory :slow_user do
after(:build) { Kernel.sleep(0.1) }
end
end
factory :post do
trait :with_user do
user
end
end
end
end
it "tracks proper time of creating the record" do
time_to_execute = 0
callback = ->(_name, start, finish, _id, _payload) { time_to_execute = finish - start }
ActiveSupport::Notifications.subscribed(callback, "factory_bot.run_factory") do
FactoryBot.build(:slow_user)
end
expect(time_to_execute).to be >= 0.1
end
it "builds the correct payload" do
tracked_invocations = {}
callback = ->(_name, _start, _finish, _id, payload) do
factory_name = payload[:name]
strategy_name = payload[:strategy]
factory = payload[:factory]
tracked_invocations[factory_name] ||= {}
tracked_invocations[factory_name][strategy_name] ||= 0
tracked_invocations[factory_name][strategy_name] += 1
tracked_invocations[factory_name][:factory] = factory
end
ActiveSupport::Notifications.subscribed(callback, "factory_bot.run_factory") do
FactoryBot.build_list(:slow_user, 2)
FactoryBot.build_list(:user, 5)
FactoryBot.create_list(:user, 2)
FactoryBot.attributes_for(:slow_user)
user = FactoryBot.create(:user)
FactoryBot.create(:post, user: user)
FactoryBot.create_list(:post, 2, :with_user)
end
expect(tracked_invocations[:slow_user][:build]).to eq(2)
expect(tracked_invocations[:slow_user][:attributes_for]).to eq(1)
expect(tracked_invocations[:slow_user][:factory]).to eq(slow_user_factory)
expect(tracked_invocations[:user][:build]).to eq(5)
expect(tracked_invocations[:user][:factory]).to eq(user_factory)
expect(tracked_invocations[:user][:create]).to eq(5)
end
end
describe "using ActiveSupport::Instrumentation to track compile_factory interaction" do
before do
define_model("User", name: :string, email: :string)
FactoryBot.define do
factory :user do
sequence(:email) { |n| "user_#{n}@example.com" }
name { "User" }
trait :special do
name { "Special User" }
end
end
end
end
it "tracks proper time of compiling the factory" do
time_to_execute = {user: 0}
callback = ->(_name, start, finish, _id, payload) {
time_to_execute[payload[:name]] = (finish - start)
}
ActiveSupport::Notifications.subscribed(callback, "factory_bot.compile_factory") do
FactoryBot.build(:user)
end
expect(time_to_execute[:user]).to be > 0
end
it "builds the correct payload" do
tracked_payloads = []
callback = ->(_name, _start, _finish, _id, payload) { tracked_payloads << payload }
ActiveSupport::Notifications.subscribed(callback, "factory_bot.compile_factory") do
FactoryBot.build(:user, :special)
end
factory_payload = tracked_payloads.detect { |payload| payload[:name] == :user }
expect(factory_payload[:class]).to eq(User)
expect(factory_payload[:attributes].map(&:name)).to eq([:email, :name])
expect(factory_payload[:traits].map(&:name)).to eq(["special"])
trait_payload = tracked_payloads.detect { |payload| payload[:name] == "special" }
expect(trait_payload[:class]).to eq(User)
expect(trait_payload[:attributes].map(&:name)).to eq([:name])
expect(trait_payload[:traits].map(&:name)).to eq(["special"])
end
context "when factory with base traits" do
before do
define_model("Company", name: :string, email: :string)
FactoryBot.define do
trait :email do
email { "#{name}@example.com" }
end
factory :company, traits: [:email] do
name { "Charlie" }
end
end
end
it "builds the correct payload" do
tracked_payloads = []
callback = ->(_name, _start, _finish, _id, payload) { tracked_payloads << payload }
ActiveSupport::Notifications.subscribed(callback, "factory_bot.compile_factory") do
FactoryBot.build(:company)
end
factory_payload = tracked_payloads.detect { |payload| payload[:name] == :company }
expect(factory_payload[:class]).to eq(Company)
expect(factory_payload[:attributes].map(&:name)).to eq([:name])
expect(factory_payload[:traits].map(&:name)).to eq([])
trait_payload = tracked_payloads.detect { |payload| payload[:name] == "email" }
expect(trait_payload[:class]).to eq(Company)
expect(trait_payload[:attributes].map(&:name)).to eq([:email])
expect(trait_payload[:traits].map(&:name)).to eq([])
end
end
context "when factory with additional traits" do
before do
define_model("Company", name: :string, email: :string)
FactoryBot.define do
trait :email do
email { "#{name}@example.com" }
end
factory :company do
name { "Charlie" }
end
end
end
it "builds the correct payload" do
tracked_payloads = []
callback = ->(_name, _start, _finish, _id, payload) { tracked_payloads << payload }
ActiveSupport::Notifications.subscribed(callback, "factory_bot.compile_factory") do
FactoryBot.build(:company, :email)
end
factory_payload = tracked_payloads.detect { |payload| payload[:name] == :company }
expect(factory_payload[:class]).to eq(Company)
expect(factory_payload[:attributes].map(&:name)).to eq([:name])
expect(factory_payload[:traits].map(&:name)).to eq([])
trait_payload = tracked_payloads.detect { |payload| payload[:name] == "email" }
expect(trait_payload[:class]).to eq(Company)
expect(trait_payload[:attributes].map(&:name)).to eq([:email])
expect(trait_payload[:traits].map(&:name)).to eq([])
end
end
end
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