psahni · July 7, 2014 10:46 · Sep 24, 2012 · Sep 24, 2012 · Sep 24, 2012 · Sep 24, 2012
diff --git a/gistfile1.md b/gistfile1.md
@@ -5,6 +5,7 @@
 * [Railscast: Sending HTML Email](http://railscasts.com/episodes/312-sending-html-email)
 * [Gem: Mail_View](https://github.com/37signals/mail_view) *preview email without sending*
 * [Gist: Setting Up SettingsLogic Gem](https://gist.github.com/3753085)
+* [Blog: How to test mailers in Rails 3 with RSpec](http://blog.lucascaton.com.br/?p=574)
 
 ## Generate a Mailer Model and View
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -227,4 +227,46 @@ describe User do
   end
 
 end
+```
+
+### Add a spec for the mailer
+
+create a file named ```spec/mailers/user_mailer_spec.rb```
+
+```ruby
+require "spec_helper"
+
+describe UserMailer do
+
+  describe 'user_email' do
+    let(:user) { FactoryGirl.create(:user, email: "test@example.com", password: "secret") }
+    let(:mail) { UserMailer.user_email(user) }
+
+    #ensure that the subject is correct
+    it 'renders the subject' do
+      mail.subject.should == 'User Email Test'
+    end
+
+    #ensure that the receiver is correct
+    it 'renders the receiver email' do
+      mail.to.should == [user.email]
+    end
+
+    #ensure that the sender is correct
+    it 'renders the sender email' do
+      mail.from.should == ["test@example.com"]
+    end
+
+    #ensure that the @name variable appears in the email body
+    it 'assigns @name' do
+      mail.body.encoded.should match(user.name)
+    end
+
+    #ensure that the @confirmation_url variable appears in the email body
+    it 'assigns @confirmation_url' do
+      mail.body.encoded.should match("http://application_url/#{user.id}/confirmation")
+    end
+
+  end
+end
 ```
diff --git a/gistfile1.md b/gistfile1.md
@@ -188,4 +188,43 @@ end
 ```
 ### Visit the Preview
 
-Go to ```http://example.com/preview_email``` to review
+Go to ```http://example.com/preview_email``` to review
+
+## Setting up Tests
+
+### Ensure the test environment won't send emails
+
+Check that this line is un-commented in ```config/environments/test.rb```
+
+```ruby
+config.action_mailer.delivery_method = :test
+```
+
+### Add a method to a model that will send an email
+
+Add to ```app/models/user.rb```
+
+```ruby
+def send_user_email(user)
+  UserMailer.user_email(user).deliver
+end
+```
+
+### Add a spec to the model to test the send method
+```ruby
+require 'spec_helper'
+
+describe User do
+
+  describe 'mailers' do
+
+    it "sends a user_email" do
+      user = FactoryGirl.create(:user, email: "test@example.com", password: "secret")
+      user.send_user_email(user)
+      ActionMailer::Base.deliveries.last.to.should == [user.email]
+    end
+
+  end
+
+end
+```
diff --git a/gistfile1.md b/gistfile1.md
@@ -136,10 +136,10 @@ UserMailer.user_email(@user).deliver
 
 ### Install gem
 
-Add to your Gemfile with specific commit to prevent breaking
+Add to your Gemfile (:test and :dev) with specific ```Github``` commit to prevent breaking
 
 ```ruby
-group :development do
+group :test, :development do
   gem 'mail_view', git: 'git://github.com/37signals/mail_view.git', ref: '6a4bc7f01a'
 end
 ```

diff --git a/gistfile1.md b/gistfile1.md
@@ -4,6 +4,7 @@
 * [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3)
 * [Railscast: Sending HTML Email](http://railscasts.com/episodes/312-sending-html-email)
 * [Gem: Mail_View](https://github.com/37signals/mail_view) *preview email without sending*
+* [Gist: Setting Up SettingsLogic Gem](https://gist.github.com/3753085)
 
 ## Generate a Mailer Model and View
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -3,6 +3,7 @@
 * [RailsGuides: ActionMailer Basics](http://guides.rubyonrails.org/action_mailer_basics.html)
 * [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3)
 * [Railscast: Sending HTML Email](http://railscasts.com/episodes/312-sending-html-email)
+* [Gem: Mail_View](https://github.com/37signals/mail_view) *preview email without sending*
 
 ## Generate a Mailer Model and View
 
@@ -128,4 +129,62 @@ Fire off an email using this line of ruby:
 
 ```ruby
 UserMailer.user_email(@user).deliver
-```
+```
+
+## Install and Setup MailView Gem for Email Previews
+
+### Install gem
+
+Add to your Gemfile with specific commit to prevent breaking
+
+```ruby
+group :development do
+  gem 'mail_view', git: 'git://github.com/37signals/mail_view.git', ref: '6a4bc7f01a'
+end
+```
+
+In Terminal run ```bundle install```
+
+### Add Preview Code
+
+Add lines to the Mailer models
+
+```ruby
+class UserMailer < ActionMailer::Base
+  layout 'mailer_default'
+
+  def user_email(user)
+    @user = user
+    mail(
+      charset:       "utf-8",
+      content_type:  "text/html",
+      from:          Settings.mailer.from,
+      subject:       "User Email Test",
+      to:            user.email
+    )
+  end
+
+  #add this code
+  class Preview < MailView
+    def user_email
+      user = User.first
+      mail = UserMailer.user_email(user)
+      mail
+    end
+  end
+
+end
+```
+
+### Mount Views in Routes
+
+Add new routes to ```config/routes.rb```
+
+```ruby
+if Rails.env.development?
+  mount UserMailer::Preview => 'preview_email'
+end
+```
+### Visit the Preview
+
+Go to ```http://example.com/preview_email``` to review
diff --git a/gistfile1.md b/gistfile1.md
@@ -2,6 +2,7 @@
 
 * [RailsGuides: ActionMailer Basics](http://guides.rubyonrails.org/action_mailer_basics.html)
 * [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3)
+* [Railscast: Sending HTML Email](http://railscasts.com/episodes/312-sending-html-email)
 
 ## Generate a Mailer Model and View
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -41,36 +41,36 @@ create a layout for emails as ```views/layouts/mailer_default.html.haml```
   %head
   %body
     #wrapper
-      #header{ style: "color: blue;" }
-        = render :partial => "shared/mailer_header_default"
-      #content{ style: "color: green;" }
-        = yield
-      #footer{ style: "color: red;" }
-        = render :partial => "shared/mailer_footer_default"
+      =yield
 
 ```
 
 create a partial for the email header at ```views/shared/_mailer_header_default.html.haml```
 
 ```haml
-%p
-  This is header content
+#header{ style: "color: blue;" }
+  %p
+    This is header content
 ```
 
 create a partial for the email footer at ```views/shared/_mailer_footer_default.html.haml```
 
 ```haml
-%p
-  This is footer content
+#footer{ style: "color: red;" }
+  %p
+    This is footer content
 ```
 
 create a view for emails as ```views/user_mailer/user_email.html.haml```
 
 ```haml
-%p 
-  This is the content of the User Email
-
+= render :partial => "shared/mailer_header_default"
+  #content{ style: "color: green;" }
+    %p 
+      This is the content of the User Email
+= render :partial => "shared/mailer_footer_default"
 ```
+
 ## Create Settings for Mailer
 
 Add to file ```config/settings.yml```

diff --git a/gistfile1.md b/gistfile1.md
@@ -71,14 +71,6 @@ create a view for emails as ```views/user_mailer/user_email.html.haml```
   This is the content of the User Email
 
 ```
-
-## Designate ActionMailer to recognize HAML files
-
-Add to ```config/environments.rb```
-
-```ruby
-ActionMailer::Base.register_template_extension('haml')
-```
 ## Create Settings for Mailer
 
 Add to file ```config/settings.yml```

diff --git a/gistfile1.md b/gistfile1.md
@@ -127,4 +127,12 @@ On local:
 ```
 $ export MAILER_USERNAME=gmail.com --remote stage
 $ export MAILER_PASSWORD=password --remote stage
+```
+
+## Send an Email
+
+Fire off an email using this line of ruby:
+
+```ruby
+UserMailer.user_email(@user).deliver
 ```
diff --git a/gistfile1.md b/gistfile1.md
@@ -41,11 +41,11 @@ create a layout for emails as ```views/layouts/mailer_default.html.haml```
   %head
   %body
     #wrapper
-      #header
+      #header{ style: "color: blue;" }
         = render :partial => "shared/mailer_header_default"
-      #content
+      #content{ style: "color: green;" }
         = yield
-      #footer
+      #footer{ style: "color: red;" }
         = render :partial => "shared/mailer_footer_default"
 
 ```

diff --git a/gistfile1.md b/gistfile1.md
@@ -17,7 +17,7 @@ or create a ```mailers/user_mailer.rb```
 class UserMailer < ActionMailer::Base
   layout 'mailer_default'
 
-  def weekly_review(user)
+  def user_email(user)
     @user = user
     @url = "http://example.com/login"
     mail(

diff --git a/gistfile1.md b/gistfile1.md
@@ -24,7 +24,7 @@ class UserMailer < ActionMailer::Base
       charset:       "utf-8",
       content_type:  "text/html",
       from:          Settings.mailer.from,
-      subject:       "Group Weekly Review",
+      subject:       "Email Test",
       to:            user.email
     )
   end

diff --git a/gistfile1.md b/gistfile1.md
@@ -17,14 +17,16 @@ or create a ```mailers/user_mailer.rb```
 class UserMailer < ActionMailer::Base
   layout 'mailer_default'
 
-  def user_email(user)
-    body          user: user, url: "http://example.com/login"
-    charset       "utf-8"
-    content_type  "text/html"
-    from          Settings.mailer.from
-    recipients    user.email
-    sent_on       Time.now
-    subject       "User Email Example"
+  def weekly_review(user)
+    @user = user
+    @url = "http://example.com/login"
+    mail(
+      charset:       "utf-8",
+      content_type:  "text/html",
+      from:          Settings.mailer.from,
+      subject:       "Group Weekly Review",
+      to:            user.email
+    )
   end
 end
 ```

diff --git a/gistfile1.md b/gistfile1.md
@@ -18,7 +18,7 @@ class UserMailer < ActionMailer::Base
   layout 'mailer_default'
 
   def user_email(user)
-    body          { user: user, url: "http://example.com/login" }
+    body          user: user, url: "http://example.com/login"
     charset       "utf-8"
     content_type  "text/html"
     from          Settings.mailer.from

diff --git a/gistfile1.md b/gistfile1.md
@@ -125,6 +125,4 @@ On local:
 ```
 $ export MAILER_USERNAME=gmail.com --remote stage
 $ export MAILER_PASSWORD=password --remote stage
-```
-
-$
+```
diff --git a/gistfile1.md b/gistfile1.md
@@ -118,7 +118,7 @@ On heroku:
 ```
 $ heroku config:add MAILER_USERNAME=gmail.com --remote stage
 $ heroku config:add MAILER_PASSWORD=password --remote stage
----
+```
 
 On local:
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -109,4 +109,22 @@ ActionMailer::Base.smtp_settings = {
   authentication:       Settings.mailer.authentication,  
   enable_starttls_auto: Settings.mailer.enable_starttls_auto  
 }
-```
+```
+
+## Set Up Environment Variables
+
+On heroku:
+
+```
+$ heroku config:add MAILER_USERNAME=gmail.com --remote stage
+$ heroku config:add MAILER_PASSWORD=password --remote stage
+---
+
+On local:
+
+```
+$ export MAILER_USERNAME=gmail.com --remote stage
+$ export MAILER_PASSWORD=password --remote stage
+```
+
+$
diff --git a/gistfile1.md b/gistfile1.md
@@ -1,7 +1,7 @@
 ##Refs
 
 * [RailsGuides: ActionMailer Basics](http://guides.rubyonrails.org/action_mailer_basics.html)
-* [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3}
+* [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3)
 
 ## Generate a Mailer Model and View
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -1,3 +1,8 @@
+##Refs
+
+* [RailsGuides: ActionMailer Basics](http://guides.rubyonrails.org/action_mailer_basics.html)
+* [Railscast: ActionMailer in Rails 3](http://railscasts.com/episodes/206-action-mailer-in-rails-3}
+
 ## Generate a Mailer Model and View
 
 In terminal:

diff --git a/gistfile1.md b/gistfile1.md
@@ -12,7 +12,7 @@ or create a ```mailers/user_mailer.rb```
 class UserMailer < ActionMailer::Base
   layout 'mailer_default'
 
-  def weekly_review(user)
+  def user_email(user)
     body          { user: user, url: "http://example.com/login" }
     charset       "utf-8"
     content_type  "text/html"
@@ -57,7 +57,7 @@ create a partial for the email footer at ```views/shared/_mailer_footer_default.
   This is footer content
 ```
 
-create a view for emails as ```views/user_mailer/user_mailer.html.haml```
+create a view for emails as ```views/user_mailer/user_email.html.haml```
 
 ```haml
 %p 

diff --git a/gistfile1.md b/gistfile1.md
@@ -9,13 +9,17 @@ rails g mailer UserMailer
 or create a ```mailers/user_mailer.rb```
 
 ```ruby
-class GroupMailer < ActionMailer::Base
-  default from: Settings.mailer.from
-
-  def example_email(user)
-    @user = user
-    @url  = "http://example.com/login"
-    mail(to: user.email, subject: "Example Subject")
+class UserMailer < ActionMailer::Base
+  layout 'mailer_default'
+
+  def weekly_review(user)
+    body          { user: user, url: "http://example.com/login" }
+    charset       "utf-8"
+    content_type  "text/html"
+    from          Settings.mailer.from
+    recipients    user.email
+    sent_on       Time.now
+    subject       "User Email Example"
   end
 end
 ```
@@ -75,7 +79,7 @@ Add to file ```config/settings.yml```
 ```yml
 
 mailer:
-  from: "Randy Burgess <wrburgess@gmail.com>"
+  from: "FirstName LastName <username@example.com>"
   address: "smtp.gmail.com"
   port: 587
   domain: "gmail.com"

diff --git a/gistfile1.md b/gistfile1.md
@@ -20,25 +20,46 @@ class GroupMailer < ActionMailer::Base
 end
 ```
 
+## Create Mailer Templates
+
 create a layout for emails as ```views/layouts/mailer_default.html.haml```  
 
 ```haml
 !!!
 %html{ lang: "en" }
   %head
-    %meta{ content: "text/html", charset: "utf-8", http-equiv: "Content-Type" }/
   %body
     #wrapper
+      #header
+        = render :partial => "shared/mailer_header_default"
+      #content
+        = yield
+      #footer
+        = render :partial => "shared/mailer_footer_default"
 
 ```
 
-create a view for emails as ```views/user_mailer/user_mailer.html.haml```
+create a partial for the email header at ```views/shared/_mailer_header_default.html.haml```
 
 ```haml
+%p
+  This is header content
+```
 
+create a partial for the email footer at ```views/shared/_mailer_footer_default.html.haml```
 
+```haml
+%p
+  This is footer content
 ```
 
+create a view for emails as ```views/user_mailer/user_mailer.html.haml```
+
+```haml
+%p 
+  This is the content of the User Email
+
+```
 
 ## Designate ActionMailer to recognize HAML files
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -47,6 +47,23 @@ Add to ```config/environments.rb```
 ```ruby
 ActionMailer::Base.register_template_extension('haml')
 ```
+## Create Settings for Mailer
+
+Add to file ```config/settings.yml```
+
+```yml
+
+mailer:
+  from: "Randy Burgess <wrburgess@gmail.com>"
+  address: "smtp.gmail.com"
+  port: 587
+  domain: "gmail.com"
+  user_name: <%= ENV["MAILER_USERNAME"] %>
+  password: <%= ENV["MAILER_PASSWORD"] %>
+  authentication: "plain"
+  enable_starttls_auto: true
+
+```
 
 ## Initialize Mailer Settings
 

diff --git a/gistfile1.md b/gistfile1.md
@@ -46,4 +46,20 @@ Add to ```config/environments.rb```
 
 ```ruby
 ActionMailer::Base.register_template_extension('haml')
+```
+
+## Initialize Mailer Settings
+
+create a file name ```config/intializers/mailer_settings.rb```
+
+```ruby
+ActionMailer::Base.smtp_settings = {  
+  address:              Settings.mailer.address,  
+  port:                 Settings.mailer.port,  
+  domain:               Settings.mailer.domain,  
+  user_name:            Settings.mailer.user_name,  
+  password:             Settings.mailer.password,  
+  authentication:       Settings.mailer.authentication,  
+  enable_starttls_auto: Settings.mailer.enable_starttls_auto  
+}
 ```
diff --git a/gistfile1.md b/gistfile1.md
@@ -0,0 +1,49 @@
+## Generate a Mailer Model and View
+
+In terminal:
+
+```
+rails g mailer UserMailer
+```
+
+or create a ```mailers/user_mailer.rb```
+
+```ruby
+class GroupMailer < ActionMailer::Base
+  default from: Settings.mailer.from
+
+  def example_email(user)
+    @user = user
+    @url  = "http://example.com/login"
+    mail(to: user.email, subject: "Example Subject")
+  end
+end
+```
+
+create a layout for emails as ```views/layouts/mailer_default.html.haml```  
+
+```haml
+!!!
+%html{ lang: "en" }
+  %head
+    %meta{ content: "text/html", charset: "utf-8", http-equiv: "Content-Type" }/
+  %body
+    #wrapper
+
+```
+
+create a view for emails as ```views/user_mailer/user_mailer.html.haml```
+
+```haml
+
+
+```
+
+
+## Designate ActionMailer to recognize HAML files
+
+Add to ```config/environments.rb```
+
+```ruby
+ActionMailer::Base.register_template_extension('haml')
+```