user mailers

completes #25

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