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Add missing test coverage for using spring

Previously our tests were not covering the line where we [add the
factory_bot_rails reloader to the list of Rails reloaders][reloaders
push]. [Spring checks this reloaders list][spring] to decide whether it
needs to reload the rails application. Without adding our reloader to
this list changes to factory_bot definitions would only get picked up
by running `spring stop` (or disabling spring entirely).

This test will ensure we don't accidentally break this interaction
between factory_bot_rails and spring.

While adding this test this commit pulls out a bit of shared background for
the tests in this file, and also removes some Rails 4.2 logic that isn't
necessary anymore since we won't support Rails 4.2 for factory_bot_rails
6.

[reloaders push]: https://github.com/thoughtbot/factory_bot_rails/blob/master/lib/factory_bot_rails/reloader.rb#L42
[spring]: 647b8c3135/lib/spring/application.rb (L165)
This commit is contained in:
Daniel Colson 2020-04-26 00:11:04 -04:00
parent e54dcb8d3a
commit dd1b1ced77

View file

@ -1,22 +1,11 @@
Feature:
When using factory_bot_rails together with Spring
I want changes to my application to trigger the factory_bot_rails reloader
So that factory_bot_rails doesn't hold onto stale class references
Scenario: Editing a model without editing the factory
Feature: automatically reloading factory_bot definitions
Background:
When I create a new rails application
And I add "factory_bot_rails" from this project as a dependency
And I run `bundle install` with a clean environment
And I write to "db/migrate/1_create_users.rb" with:
"""
migration_class =
if ActiveRecord::Migration.respond_to?(:[])
ActiveRecord::Migration[4.2]
else
ActiveRecord::Migration
end
class CreateUsers < migration_class
class CreateUsers < ActiveRecord::Migration[5.0]
def self.up
create_table :users do |t|
t.string :name
@ -25,7 +14,12 @@ Feature:
end
"""
And I run `bundle exec rake db:migrate` with a clean environment
And I write to "app/models/user.rb" with:
Scenario: When using factory_bot_rails together with Spring
I want changes to my application to trigger the factory_bot_rails reloader
So that factory_bot_rails doesn't hold onto stale class references
When I write to "app/models/user.rb" with:
"""
class User < ActiveRecord::Base
end
@ -43,7 +37,7 @@ Feature:
require 'test_helper'
class UserTest < ActiveSupport::TestCase
test "use factory" do
test "user factory" do
author = FactoryBot.create(:author)
assert_equal author.class.object_id, User.object_id
@ -62,27 +56,28 @@ Feature:
Then the output should contain "1 runs, 1 assertions"
And the output should not contain "Failure:"
Scenario: Initializing the reloader with I18n support
When I create a new rails application
And I add "factory_bot_rails" from this project as a dependency
And I run `bundle install` with a clean environment
And I run `bundle exec rake db:migrate` with a clean environment
And I write to "app/models/user.rb" with:
Scenario: When using factory_bot_rails together with Spring
I want changes to my factory_bot definitions to trigger a reload
So that I can use my updated definitions without stopping spring
When I write to "app/models/user.rb" with:
"""
class User
TRANSLATION = I18n.translate("translation_key")
class User < ActiveRecord::Base
end
"""
And I write to "config/locales/en.yml" with:
"""
en:
translation_key: "translation_value"
"""
And I write to "test/factories.rb" with:
"""
# Empty definition file to be picked up by the file watcher
"""
And I run `bundle binstubs bundler rake spring --force` with a clean environment
And I run `bin/spring binstub --all` with a clean environment
And I run `bin/rake test` with Spring enabled
And I append to "test/factories.rb" with:
"""
FactoryBot.define do
factory :user do
User::TRANSLATION
factory :author, class: User do
name { "Frank" }
end
end
"""
@ -91,13 +86,50 @@ Scenario: Initializing the reloader with I18n support
require 'test_helper'
class UserTest < ActiveSupport::TestCase
test "use factory" do
user = FactoryBot.build(:user)
test "user factory" do
author = FactoryBot.create(:author)
assert_equal "translation_value", User::TRANSLATION
assert_equal author.class.object_id, User.object_id
end
end
"""
And I run `bundle exec rake test` with a clean environment
And I run `bin/rake test` with Spring enabled
And I run `spring stop` with a clean environment
Then the output should contain "1 runs, 1 assertions"
And the output should not contain "Failure:"
Scenario: Initializing the reloader with I18n support
When I write to "app/models/user.rb" with:
"""
class User
TRANSLATION = I18n.translate("translation_key")
end
"""
And I write to "config/locales/en.yml" with:
"""
en:
translation_key: "translation_value"
"""
And I write to "test/factories.rb" with:
"""
FactoryBot.define do
factory :user do
User::TRANSLATION
end
end
"""
And I write to "test/unit/user_test.rb" with:
"""
require 'test_helper'
class UserTest < ActiveSupport::TestCase
test "eser factory" do
user = FactoryBot.build(:user)
assert_equal "translation_value", User::TRANSLATION
end
end
"""
And I run `bundle exec rake test` with a clean environment
Then the output should contain "1 runs, 1 assertions"
And the output should not contain "Failure:"