・ RSpec (Gem) has been introduced -RSpec initial file has been created
rails_helper.rb
# This file is copied to spec/ when you run 'rails generate rspec:install'
require 'spec_helper'
ENV['RAILS_ENV'] ||= 'test'
require File.expand_path('../config/environment', __dir__)
# Prevent database truncation if the environment is production
abort("The Rails environment is running in production mode!") if Rails.env.production?
require 'rspec/rails'
# Add additional requires below this line. Rails is not loaded until this point!
# Requires supporting ruby files with custom matchers and macros, etc, in
# spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
# run as spec files by default. This means that files in spec/support that end
# in _spec.rb will both be required and run as specs, causing the specs to be
# run twice. It is recommended that you do not name files matching this glob to
# end with _spec.rb. You can configure this pattern with the --pattern
# option on the command line or in ~/.rspec, .rspec or `.rspec-local`.
#
# The following line is provided for convenience purposes. It has the downside
# of increasing the boot-up time by auto-requiring all files in the support
# directory. Alternatively, in the individual `*_spec.rb` files, manually
# require only the support files necessary.
#
Dir[Rails.root.join('spec', 'support', '**', '*.rb')].sort.each { |f| require f } #<Addition>
# Checks for pending migrations and applies them before tests are run.
# If you are not using ActiveRecord, you can remove these lines.
begin
ActiveRecord::Migration.maintain_test_schema!
rescue ActiveRecord::PendingMigrationError => e
puts e.to_s.strip
exit 1
end
RSpec.configure do |config|
config.include SignInSupport #<Addition>
# Remove this line if you're not using ActiveRecord or ActiveRecord fixtures
config.fixture_path = "#{::Rails.root}/spec/fixtures"
# If you're not using ActiveRecord, or you'd prefer not to run each of your
# examples within a transaction, remove the following line or assign false
# instead of true.
config.use_transactional_fixtures = true
# You can uncomment this line to turn off ActiveRecord support entirely.
# config.use_active_record = false
# RSpec Rails can automatically mix in different behaviours to your tests
# based on their file location, for example enabling you to call `get` and
# `post` in specs under `spec/controllers`.
#
# You can disable this behaviour by removing the line below, and instead
# explicitly tag your specs with their type, e.g.:
#
# RSpec.describe UsersController, type: :controller do
# # ...
# end
#
# The different available types are documented in the features, such as in
# https://relishapp.com/rspec/rspec-rails/docs
config.infer_spec_type_from_file_location!
# Filter lines from Rails gems in backtraces.
config.filter_rails_from_backtrace!
# arbitrary gems may also be filtered via:
# config.filter_gems_from_backtrace("gem name")
end
The description added this time is on the 23rd line 「Dir[Rails.root.join('spec', 'support', '＊＊', '*.rb')].sort.each { |f| require f }And "config" on line 28.include Sign In Support ". One description is for setting to read files under spec/support /. The two descriptions are for reading spec/support/sign_in_support.rb, which will be created later.
sign_in_support.rb
module SignInSupport
def sign_in(user)
visit new_user_session_path
fill_in 'mail address', with: user.email
fill_in 'password', with: user.password
find('input[name="commit"]').click
expect(current_path).to eq tweets_path
end
end
This allows you to use "sign_in" in your test code.
sign_in_support.rb
require 'rails_helper'
RSpec.describe 'Tweet posting', type: :system do
before do
@user = FactoryBot.create(:user)
@tweet = FactoryBot.create(:tweet)
end
context 'When you can post a tweet'do
it 'Logged-in users can post new' do
#log in
sign_in(@user)
#(abridgement)
end
end
context 'When you can't post a tweet'do
it 'You cannot move to the top page unless you are logged in' do
#(abridgement)
end
end
end
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