Refactor domain expiration email

#186

spec/views/mailers/domain_mailer/expiration.html.erb_spec.rb

@@ -0,0 +1,36 @@
+require 'rails_helper'
+
+RSpec.describe 'mailers/domain_mailer/expiration.html.erb' do
+  let(:domain) { instance_spy(DomainPresenter) }
+  let(:registrar) { instance_spy(RegistrarPresenter) }
+  let(:lang_count) { 3 }
+
+  before :example do
+    assign(:domain, domain)
+    assign(:registrar, registrar)
+  end
+
+  it 'has registrar name' do
+    mention_count = 2 * lang_count
+    expect(registrar).to receive(:name).exactly(mention_count).times.and_return('test registrar name')
+    render
+    expect(rendered).to have_text('test registrar name', count: mention_count)
+  end
+
+  attributes = %i(
+    on_hold_date
+    delete_date
+    registrant_name
+    admin_contact_names
+    tech_contact_names
+    nameserver_names
+  )
+
+  attributes.each do |attr_name|
+    it "has :#{attr_name}" do
+      expect(domain).to receive(attr_name).exactly(lang_count).times.and_return(attr_name.to_s)
+      render
+      expect(rendered).to have_text(attr_name.to_s, count: lang_count)
+    end
+  end
+end

spec/views/mailers/domain_mailer/expiration.text.erb_spec.rb

@@ -0,0 +1,36 @@
+require 'rails_helper'
+
+RSpec.describe 'mailers/domain_mailer/expiration.text.erb' do
+  let(:domain) { instance_spy(DomainPresenter) }
+  let(:registrar) { instance_spy(RegistrarPresenter) }
+  let(:lang_count) { 3 }
+
+  before :example do
+    assign(:domain, domain)
+    assign(:registrar, registrar)
+  end
+
+  it 'has registrar name' do
+    mention_count = 2 * lang_count
+    expect(registrar).to receive(:name).exactly(mention_count).times.and_return('test registrar name')
+    render
+    expect(rendered).to have_text('test registrar name', count: mention_count)
+  end
+
+  attributes = %i(
+    on_hold_date
+    delete_date
+    registrant_name
+    admin_contact_names
+    tech_contact_names
+    nameserver_names
+  )
+
+  attributes.each do |attr_name|
+    it "has :#{attr_name}" do
+      expect(domain).to receive(attr_name).exactly(lang_count).times.and_return(attr_name.to_s)
+      render
+      expect(rendered).to have_text(attr_name.to_s, count: lang_count)
+    end
+  end
+end