Refactor domain expiration mailer

#186

spec/views/mailers/domain_expire_mailer/expired.html.erb_spec.rb

@@ -0,0 +1,12 @@
+require 'rails_helper'
+require_relative 'expired_shared'
+
+RSpec.describe 'mailers/domain_expire_mailer/expired.html.erb' do
+  before :example do
+    stub_template 'mailers/shared/registrar/_registrar.et.html' => 'test registrar estonian'
+    stub_template 'mailers/shared/registrar/_registrar.en.html' => 'test registrar english'
+    stub_template 'mailers/shared/registrar/_registrar.ru.html' => 'test registrar russian'
+  end
+
+  include_examples 'domain expire mailer expired'
+end

spec/views/mailers/domain_expire_mailer/expired.text.erb_spec.rb

@@ -0,0 +1,12 @@
+require 'rails_helper'
+require_relative 'expired_shared'
+
+RSpec.describe 'mailers/domain_expire_mailer/expired.text.erb' do
+  before :example do
+    stub_template 'mailers/shared/registrar/_registrar.et.text' => 'test registrar estonian'
+    stub_template 'mailers/shared/registrar/_registrar.en.text' => 'test registrar english'
+    stub_template 'mailers/shared/registrar/_registrar.ru.text' => 'test registrar russian'
+  end
+
+  include_examples 'domain expire mailer expired'
+end

spec/views/mailers/domain_expire_mailer/expired_shared.rb

@@ -0,0 +1,53 @@
+require 'rails_helper'
+
+RSpec.shared_examples 'domain expire mailer expired' do
+  let(:domain) { instance_spy(DomainPresenter) }
+  let(:registrar) { instance_spy(RegistrarPresenter) }
+  let(:registrant) { instance_spy(RegistrantPresenter) }
+  let(:lang_count) { 3 }
+
+  before :example do
+    assign(:domain, domain)
+    assign(:registrar, registrar)
+    assign(:registrant, registrant)
+  end
+
+  it 'has registrar info in estonian' do
+    render
+    expect(rendered).to have_text('test registrar estonian')
+  end
+
+  it 'has registrar info in english' do
+    render
+    expect(rendered).to have_text('test registrar english')
+  end
+
+  it 'has registrar info in russian' do
+    render
+    expect(rendered).to have_text('test registrar russian')
+  end
+
+  it 'has domain name' do
+    mention_count = 4 * lang_count
+    expect(domain).to receive(:name).exactly(mention_count).times.and_return('test domain name')
+    render
+    expect(rendered).to have_text('test domain name', count: mention_count)
+  end
+
+  domain_attributes = %i(
+    on_hold_date
+    delete_date
+    registrant_name
+    admin_contact_names
+    tech_contact_names
+    nameserver_names
+  )
+
+  domain_attributes.each do |attr_name|
+    it "has domain #{attr_name}" do
+      expect(domain).to receive(attr_name).exactly(lang_count).times.and_return("test domain #{attr_name}")
+      render
+      expect(rendered).to have_text("test domain #{attr_name}", count: lang_count)
+    end
+  end
+end