mailer test for barnstar (#2433)

app/views/comment_mailer/notify_barnstar.html.erb

@@ -1,4 +1,4 @@
-<a href="https://<%= ActionMailer::Base.default_url_options[:host] %>/profile/<%= @giver.name %>"><%= @giver.name %></a> has awarded you a <a href="https://<%= ActionMailer::Base.default_url_options[:host] %>/wiki/barnstars">Barnstar</a> for your work in the research note "<a href="<%= @note.path %>"><%= @note.title %></a>". Do NOT reply to this email; click this link to respond:
+'<a href='https://<%= ActionMailer::Base.default_url_options[:host] %>/profile/<%= @giver.name %>'><%= @giver.name %></a>' has awarded you a '<a href='https://<%= ActionMailer::Base.default_url_options[:host] %>/wiki/barnstars'>Barnstar</a>' for your work in the research note '<a href='https://<%= ActionMailer::Base.default_url_options[:host] %><%= @note.path %>'><%= @note.title %></a>'. Do NOT reply to this email; click this link to respond:
 
 <p>https://<%= ActionMailer::Base.default_url_options[:host] %><%= @note.path %></p>
 

test/unit/comment_mailer_test.rb

@@ -75,4 +75,19 @@ class CommentMailerTest < ActionMailer::TestCase
     assert_equal "New comment on your answer on '" + comment.parent.title + "'", email.subject
     assert email.body.include?("Hi! There's been a new comment to your answer on '<a href='https://#{request_host}#{comment.parent.path(:question)}#a#{comment.answer.id}'>#{comment.parent.title}</a>'")
   end
+
+  test 'notify barnstar' do
+    user = users(:bob)
+    note = nodes(:one)
+    assert_difference 'ActionMailer::Base.deliveries.size', 1 do
+      CommentMailer.notify_barnstar(user, note)
+    end
+    assert !ActionMailer::Base.deliveries.empty?
+
+    email = ActionMailer::Base.deliveries.last
+    assert_equal ["do-not-reply@#{request_host}"], email.from
+    assert_equal [note.author.email], email.to
+    assert_equal "You were awarded a Barnstar!", email.subject
+    assert email.body.include?("'<a href='https://#{request_host}/profile/#{user.name}'>#{user.name}</a>' has awarded you a '<a href='https://#{request_host}/wiki/barnstars'>Barnstar</a>' for your work in the research note '<a href='https://#{request_host}#{note.path}'>#{note.title}</a>'")
+  end
 end