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# Generators are not automatically loaded by Rails
require 'generators/rspec/mailer/mailer_generator'
require 'support/generators'
RSpec.describe Rspec::Generators::MailerGenerator, type: :generator do
setup_default_destination
describe 'mailer spec' do
subject(:filename) { file('spec/mailers/posts_mailer_spec.rb') }
describe 'a spec is created for each action' do
before do
run_generator %w[posts index show]
end
it "includes the standard boilerplate" do
# Rails 5+ automatically appends Mailer to the provided constant so we do too
expect(
filename
).to(
contain(/require "rails_helper"/)
.and(contain(/^RSpec.describe PostsMailer, #{type_metatag(:mailer)}/))
.and(contain(/describe "index" do/))
.and(contain(/describe "show" do/))
)
end
end
describe 'creates placeholder when no actions specified' do
before do
run_generator %w[posts]
end
it "includes the standard boilerplate" do
expect(
filename
).to contain(/require "rails_helper"/).and(contain(/pending "add some examples to \(or delete\)/))
end
end
end
describe 'a fixture is generated for each action' do
before do
run_generator %w[posts index show]
end
describe 'index' do
subject(:filename) { file('spec/fixtures/posts/index') }
it "includes the standard boilerplate" do
expect(filename).to contain(/Posts#index/)
end
end
describe 'show' do
subject(:filename) { file('spec/fixtures/posts/show') }
it "includes the standard boilerplate" do
expect(filename).to contain(/Posts#show/)
end
end
end
describe 'a preview is generated for each action', skip: !RSpec::Rails::FeatureCheck.has_action_mailer_preview? do
before do
run_generator %w[posts index show]
end
subject(:filename) { file('spec/mailers/previews/posts_mailer_preview.rb') }
it "includes the standard boilerplate" do
expect(
filename
).to(
contain(/class PostsMailerPreview < ActionMailer::Preview/)
.and(contain(/def index/))
.and(contain(/PostsMailer.index/))
.and(contain(/def show/))
.and(contain(/PostsMailer.show/))
)
end
end
end
|
