Add explicit jobs for mailers

#186

spec/views/mailers/domain_delete_mailer/confirm_shared.rb

@@ -0,0 +1,35 @@
+require 'rails_helper'
+
+RSpec.shared_examples 'domain delete mailer confirm' do
+  let(:domain) { instance_spy(DomainPresenter) }
+  let(:lang_count) { 2 }
+
+  before :example do
+    assign(:domain, domain)
+    assign(:registrar, nil)
+    assign(:confirm_url, 'test confirm url')
+  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 domain name' do
+    mention_count = 1 * 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
+
+  it 'has confirm url' do
+    mention_count = 1 * lang_count
+    render
+    expect(rendered).to have_text('test confirm url', count: mention_count)
+  end
+end