user mailers

completes #25

test/controllers/admin/auth_controller_test.rb

@@ -44,8 +44,9 @@ module Admin
 
     test "should process a reset request" do
       user = users(:admin)
-      post admin_send_reset_url, params: { auth: { email: user.email } }
-
+      assert_difference("ActionMailer::Base.deliveries.size", 1) do
+        post admin_send_reset_url, params: { auth: { email: user.email } }
+      end
       refute_equal user.reset_token, User.find(user.id).reset_token
       assert_redirected_to admin_reset_request_url
       assert_match(/request.*sent/i, flash[:success])

test/controllers/admin/user_controller_test.rb

@@ -28,9 +28,11 @@ module Admin
     end
 
     test "should post create" do
-      assert_difference("User.count", 1) do
-        post admin_create_user_url, params: { user:
-            { email: 'new.user@mailinator.com', name: 'New User', role: 'reviewer' } }
+      assert_difference("ActionMailer::Base.deliveries.size", 1) do
+        assert_difference("User.count", 1) do
+          post admin_create_user_url, params: { user:
+              { email: 'new.user@mailinator.com', name: 'New User', role: 'reviewer' } }
+        end
       end
       assert_redirected_to admin_users_url
     end

test/mailers/previews/user_mailer_preview.rb

@@ -0,0 +1,12 @@
+# Preview all emails at http://localhost:3000/rails/mailers/user_mailer
+class UserMailerPreview < ActionMailer::Preview
+  def password_reset
+    user = User.find_by(email: 'alan.admin@mailinator.com')
+    UserMailer.password_reset user
+  end
+
+  def welcome
+    user = User.find_by(email: 'alan.admin@mailinator.com')
+    UserMailer.welcome user, '[default-password]'
+  end
+end

test/mailers/user_mailer_test.rb

@@ -0,0 +1,20 @@
+require 'test_helper'
+
+class UserMailerTest < ActionMailer::TestCase
+  test "password_reset" do
+    user = users(:admin)
+    user.setup_reset
+    mail = UserMailer.password_reset user
+
+    assert_equal [user.email], mail.to
+    assert_match user.reset_token, mail.body.encoded
+  end
+
+  test "welcome" do
+    user = users(:admin)
+    mail = UserMailer.welcome user, 'p0o9i8u7'
+
+    assert_equal [user.email], mail.to
+    assert_match 'p0o9i8u7', mail.body.encoded
+  end
+end