emails: send verification mail when user changes address.

test/functional/emails_controller_test.rb

@@ -3,7 +3,7 @@ require "test_helper"
 class EmailsControllerTest < ActionDispatch::IntegrationTest
   context "in all cases" do
     setup do
-      @user = create(:user, email_address: build(:email_address, { address: "bob@ogres.net" }))
+      @user = create(:user, email_address: build(:email_address, { address: "bob@ogres.net", is_verified: false }))
     end
 
     context "#edit" do
@@ -20,6 +20,7 @@ class EmailsControllerTest < ActionDispatch::IntegrationTest
 
           assert_redirected_to(settings_path)
           assert_equal("abc@ogres.net", @user.reload.email_address.address)
+          assert_enqueued_email_with UserMailer, :email_change_confirmation, args: [@user]
         end
       end
 
@@ -29,6 +30,19 @@ class EmailsControllerTest < ActionDispatch::IntegrationTest
 
           assert_response :success
           assert_equal("bob@ogres.net", @user.reload.email_address.address)
+          assert_no_emails
+        end
+      end
+    end
+
+    context "#verify" do
+      context "with a correct verification key" do
+        should "mark the email address as verified" do
+          assert_equal(false, @user.reload.email_address.is_verified)
+          get_auth verify_user_email_path(@user), @user, params: { email_verification_key: Danbooru::MessageVerifier.new(:email_verification_key).generate(@user.email_address.id) }
+
+          assert_redirected_to @user
+          assert_equal(true, @user.reload.email_address.is_verified)
         end
       end
     end