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configuration_spec.rb
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configuration_spec.rb
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require 'rspec/support/spec/in_sub_process'
RSpec.describe "Configuration" do
include RSpec::Support::InSubProcess
subject(:config) { RSpec::Core::Configuration.new }
before do
RSpec::Rails.initialize_configuration(config)
end
it "adds 'vendor/' to the backtrace exclusions" do
expect(config.backtrace_exclusion_patterns).to include(/vendor\//)
end
it "adds 'lib/rspec/rails' to the backtrace exclusions" do
expect(
config.backtrace_exclusion_patterns
).to include(%r{lib/rspec/rails})
end
shared_examples_for "adds setting" do |accessor, opts|
opts ||= {}
default_value = opts[:default]
alias_setting = opts[:alias_with]
predicate_method = "#{accessor}?".to_sym
command_method = "#{accessor}=".to_sym
specify "`##{accessor}` is `#{default_value.inspect}` by default" do
expect(config.send(accessor)).to eq default_value
end
specify "`##{predicate_method}` is `#{!!default_value}` by default" do
expect(config.send(predicate_method)).to be !!default_value
end
specify "`##{predicate_method}` is `#{!!default_value}` by default" do
expect(config.send(predicate_method)).to be !!default_value
end
describe "`##{command_method}`" do
it "changes `#{predicate_method}` to the true for a truthy value" do
config.send(command_method, nil)
expect(config.send(predicate_method)).to be false
expect {
config.send(command_method, :a_value)
}.to change { config.send(predicate_method) }.to(true)
end
it "sets `#{accessor}` to the provided value" do
expect {
config.send(command_method, :a_value)
}.to change {
config.send(accessor)
}.from(default_value).to(:a_value)
end
end
if alias_setting
specify "`##{alias_setting}` is an alias for `#{accessor}`" do
expect {
config.send(command_method, :a_value)
}.to change { config.send(alias_setting) }.to(:a_value)
end
end
end
context "adds settings" do
include_examples "adds setting",
:infer_base_class_for_anonymous_controllers,
default: true
include_examples "adds setting",
:use_transactional_fixtures,
alias_with: :use_transactional_examples
include_examples "adds setting", :use_instantiated_fixtures
include_examples "adds setting", :global_fixtures
include_examples "adds setting", :fixture_path
include_examples "adds setting", :rendering_views
specify "`#render_views?` is false by default" do
expect(config.render_views?).to be false
end
specify "`#render_views` sets `render_views?` to `true`" do
expect {
config.render_views
}.to change { config.render_views? }.to be(true)
end
describe "`#render_views=`" do
it "sets `render_views?` to the truthyness of the provided value" do
expect {
config.render_views = :a_value
}.to change { config.render_views? }.from(false).to(true)
# this is repeated to put the value back to false
expect {
config.render_views = false
}.to change { config.render_views? }.from(true).to(false)
end
end
end
specify "#filter_rails_from_backtrace! adds exclusion patterns for rails gems" do
config.filter_rails_from_backtrace!
gems = %w[
actionmailer
actionpack
actionview
activemodel
activerecord
activesupport
activejob
]
exclusions = config.backtrace_exclusion_patterns.map(&:to_s)
aggregate_failures do
gems.each { |gem| expect(exclusions).to include(/#{gem}/) }
end
end
describe "#infer_spec_type_from_file_location!" do
def in_inferring_type_from_location_environment
in_sub_process do
RSpec.configuration.infer_spec_type_from_file_location!
yield
end
end
shared_examples_for "infers type from location" do |type, location|
it "sets the type to `#{type.inspect}` for file path `#{location}`" do
in_inferring_type_from_location_environment do
allow(RSpec::Core::Metadata).to receive(:relative_path).and_return(
"./#{location}/foos_spec.rb"
)
group = RSpec.describe("Arbitrary Description")
expect(group.metadata).to include(type: type)
end
end
end
include_examples "infers type from location",
:controller,
"spec/controllers"
include_examples "infers type from location", :helper, "spec/helpers"
include_examples "infers type from location", :mailer, "spec/mailers"
include_examples "infers type from location", :model, "spec/models"
include_examples "infers type from location", :request, "spec/requests"
include_examples "infers type from location", :request, "spec/integration"
include_examples "infers type from location", :request, "spec/api"
include_examples "infers type from location", :routing, "spec/routing"
include_examples "infers type from location", :view, "spec/views"
include_examples "infers type from location", :feature, "spec/features"
end
it "fixture support is included with metadata `:use_fixtures`" do
in_sub_process do
RSpec.configuration.global_fixtures = [:foo]
RSpec.configuration.fixture_path = "custom/path"
group = RSpec.describe("Arbitrary Description", :use_fixtures)
expect(group).to respond_to(:fixture_path)
expect(group.fixture_path).to eq("custom/path")
expect(group.new.respond_to?(:foo, true)).to be(true)
end
end
it "metadata `:type => :controller` sets up controller example groups" do
a_controller_class = Class.new
stub_const "SomeController", a_controller_class
group = RSpec.describe(SomeController, type: :controller)
expect(group.controller_class).to be(a_controller_class)
expect(group.new).to be_a(RSpec::Rails::ControllerExampleGroup)
end
it "metadata `type: :helper` sets up helper example groups" do
a_helper_module = Module.new
stub_const "SomeHelper", a_helper_module
group = RSpec.describe(SomeHelper, type: :helper)
expect(
group.determine_default_helper_class(:ignored)
).to be(a_helper_module)
expect(group.new).to be_a(RSpec::Rails::HelperExampleGroup)
end
it "metadata `type: :model` sets up model example groups" do
a_model_class = Class.new
stub_const "SomeModel", a_model_class
group = RSpec.describe(SomeModel, type: :model)
expect(group.new).to be_a(RSpec::Rails::ModelExampleGroup)
end
it "metadata `type: :request` sets up request example groups" do
a_rails_app = double("Rails application")
the_rails_module = Module.new {
def self.version; end
def self.application; end
}
allow(the_rails_module).to receive(:application) { a_rails_app }
version = ::Rails::VERSION
stub_const "Rails", the_rails_module
stub_const 'Rails::VERSION', version
group = RSpec.describe("Some Request API", type: :request)
expect(group.new.app).to be(a_rails_app)
expect(group.new).to be_a(RSpec::Rails::RequestExampleGroup)
end
it "metadata `type: :routing` sets up routing example groups" do
a_controller_class = Class.new
stub_const "SomeController", a_controller_class
group = RSpec.describe(SomeController, type: :routing)
expect(group).to respond_to(:routes)
expect(group.new).to be_a(RSpec::Rails::RoutingExampleGroup)
end
it "metadata `type: :view` sets up view example groups" do
a_helper_module = Module.new
stub_const "SomeControllerHelper", a_helper_module
group = RSpec.describe("some_controller/action.html.erb", type: :view)
expect(group._default_helper).to be(a_helper_module)
expect(group.new).to be_a(RSpec::Rails::ViewExampleGroup)
end
it "metadata `type: :feature` sets up feature example groups" do
a_rails_app = double("Rails application")
the_rails_module = Module.new {
def self.version; end
def self.application; end
}
allow(the_rails_module).to receive(:application) { a_rails_app }
version = ::Rails::VERSION
stub_const "Rails", the_rails_module
stub_const 'Rails::VERSION', version
group = RSpec.describe("Some feature description", type: :feature)
example = group.new
expect(example).to respond_to(:visit)
expect(example).to be_a(RSpec::Rails::FeatureExampleGroup)
end
if defined?(ActionMailer)
it "metadata `type: :mailer` sets up mailer example groups" do
a_mailer_class = Class.new
stub_const "SomeMailer", a_mailer_class
group = RSpec.describe(SomeMailer, type: :mailer)
expect(group.mailer_class).to be(a_mailer_class)
expect(group.new).to be_a(RSpec::Rails::MailerExampleGroup)
end
describe 'clears ActionMailer::Base::Deliveries after each example' do
let(:mailer) do
Class.new(ActionMailer::Base) do
default from: 'from@example.com'
def welcome(to:)
mail(to: to, subject: 'subject', body: render(inline: "Hello", layout: false))
end
end
end
before do
ActionMailer::Base.delivery_method = :test
end
it 'only has deliveries from this test (e.g. from email@example.com)' do
mailer.welcome(to: 'email@example.com').deliver_now
expect(ActionMailer::Base.deliveries.map(&:to).flatten.sort).to eq(['email@example.com'])
end
it 'only has deliveries from this test (e.g. from email_2@example.com)' do
mailer.welcome(to: 'email_2@example.com').deliver_now
expect(ActionMailer::Base.deliveries.map(&:to).flatten.sort).to eq(['email_2@example.com'])
end
end
end
it "has a default #file_fixture_path of 'spec/fixtures/files'" do
expect(config.file_fixture_path).to eq("spec/fixtures/files")
end
end