Add feature spec for whole signup process

Legal how does it work

app/assets/stylesheets/forms.scss

@@ -25,4 +25,11 @@ form {
   .actions {
     margin-top: 2rem;
   }
+
+  .accept-terms {
+    margin-top: 2rem;
+    font-size: 0.85rem;
+    line-height: 1.5em;
+    color: #888;
+  }
 }

app/controllers/invitations_controller.rb

@@ -6,7 +6,8 @@ class InvitationsController < ApplicationController
 
   # GET /invitations
   def index
-    @invitations = current_user.invitations
+    @invitations_unused = current_user.invitations.unused
+    @invitations_used   = current_user.invitations.used
   end
 
   # GET /invitations/a-random-invitation-token

app/controllers/signup_controller.rb

@@ -104,7 +104,6 @@ class SignupController < ApplicationController
       password: @user.password
     )
 
-    @invitation.update_attributes invited_user_id: @user.id,
-      used_at: DateTime.now
+    @invitation.update! invited_user_id: @user.id, used_at: DateTime.now
   end
 end

app/models/concerns/email_validatable.rb

@@ -0,0 +1,15 @@
+require 'mail'
+
+module EmailValidatable
+  extend ActiveSupport::Concern
+
+  class EmailValidator < ActiveModel::EachValidator
+    def validate_each(record, attribute, value)
+      begin
+        a = Mail::Address.new(value)
+      rescue Mail::Field::ParseError
+        record.errors[attribute] << (options[:message] || "is not a valid address")
+      end
+    end
+  end
+end

app/models/invitation.rb

@@ -2,10 +2,16 @@ class Invitation < ApplicationRecord
   # Relations
   belongs_to :user
 
+  # Validations
   validates_presence_of :user
 
+  # Hooks
   before_create :generate_token
 
+  # Scopes
+  scope :unused, -> { where(used_at: nil) }
+  scope :used, -> { where.not(used_at: nil) }
+
   private
 
   def generate_token

app/models/user.rb

@@ -1,10 +1,13 @@
 class User < ApplicationRecord
+  include EmailValidatable
+
   # Relations
   has_many :invitations, dependent: :destroy
 
   validates_uniqueness_of :cn
-  validates_uniqueness_of :email
   validates_length_of :cn, :minimum => 3
+  validates_uniqueness_of :email
+  validates :email, email: true
 
   # Include default devise modules. Others available are:
   # :confirmable, :lockable, :timeoutable, :trackable and :omniauthable

app/views/invitations/index.html.erb

@@ -1,23 +1,46 @@
 <section>
   <h2>Invitations</h2>
+  <% if @invitations_unused.any? %>
+    <table>
+      <thead>
+        <tr>
+          <th>URL</th>
+        </tr>
+      </thead>
+      <tbody>
+        <% @invitations_unused.each do |invitation| %>
+          <tr>
+            <td><%= invitation_url(invitation.token) %></td>
+          </tr>
+        <% end %>
+      </tbody>
+    </table>
+  <% else %>
+    <p>
+      You do not have any invitations to give away yet. All good
+      things come in time.
+    </p>
+  <% end %>
+</section>
 
+<% if @invitations_used.any? %>
+  <h3>Accepted Invitations</h3>
   <table>
     <thead>
       <tr>
-        <th>Token</th>
-        <th>Created at</th>
-        <th colspan="3"></th>
+        <th>URL</th>
+        <th>Used at</th>
+        <th>Invited user</th>
       </tr>
     </thead>
-
     <tbody>
-      <% @invitations.each do |invitation| %>
+      <% @invitations_used.each do |invitation| %>
         <tr>
-          <td><%= invitation.token %></td>
-          <td><%= invitation.created_at %></td>
-          <td><%= link_to 'Delete', invitation, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+          <td><%= invitation_url(invitation.token) %></td>
+          <td><%= invitation.used_at %></td>
+          <td><%= User.find(invitation.invited_user_id).address %></td>
         </tr>
       <% end %>
     </tbody>
   </table>
-</section>
+<% end %>

app/views/signup/steps.html.erb

@@ -48,8 +48,14 @@
         <p class="error-msg">Password <%= @validation_error %></p>
       <% end %>
     </div>
+    <p class="accept-terms">
+      <small>
+        By clicking the button below, you accept our future Terms of Service
+        and Privacy Policy. Don't worry, they will be excellent!
+      </small>
+    </p>
     <div class="actions">
-      <p><%= f.submit "Continue" %></p>
+      <p><%= f.submit "Create account" %></p>
     </div>
   <% end %>
 <% end %>

db/migrate/20201130132533_create_invitations.rb

@@ -8,5 +8,7 @@ class CreateInvitations < ActiveRecord::Migration[6.0]
 
       t.timestamps
     end
+    add_index :invitations, :user_id
+    add_index :invitations, :invited_user_id
   end
 end

spec/factories/invitations.rb

@@ -1,6 +1,5 @@
 FactoryBot.define do
   factory :invitation do
-    id { 1 }
     token { "abcdef123456" }
     user
   end

spec/features/signup_spec.rb

@@ -3,37 +3,101 @@ require "rails_helper"
 RSpec.describe "Signup", type: :feature do
   let(:user) { create :user }
 
-  before do
-    @unused_invitation = Invitation.create(user: user)
-    @used_invitation   = Invitation.create(user: user)
-    @used_invitation.update_attribute :used_at, DateTime.now - 1.day
-  end
+  describe "Invitation handling" do
+    before do
+      @unused_invitation = Invitation.create(user: user)
+      @used_invitation   = Invitation.create(user: user)
+      @used_invitation.update_attribute :used_at, DateTime.now - 1.day
+    end
 
-  scenario "Follow link for non-existing invitation" do
-    visit invitation_url(id: "123")
+    scenario "Follow link for non-existing invitation" do
+      visit invitation_url(id: "123")
 
-    within ".flash-msg.alert" do
-      expect(page).to have_content("doesn't exist")
+      within ".flash-msg.alert" do
+        expect(page).to have_content("doesn't exist")
+      end
+    end
+
+    scenario "Follow link for used invitation" do
+      visit invitation_url(id: @used_invitation.token)
+
+      within ".flash-msg.alert" do
+        expect(page).to have_content("has already been used")
+      end
+    end
+
+    scenario "Follow link for unused invitation" do
+      visit invitation_url(id: @unused_invitation.token)
+
+      expect(current_url).to eq(signup_url)
+      expect(page).to have_content("Welcome")
     end
   end
 
-  scenario "Follow link for used invitation" do
-    visit invitation_url(id: @used_invitation.token)
-
-    within ".flash-msg.alert" do
-      expect(page).to have_content("has already been used")
+  describe "Signup steps" do
+    before do
+      @invitation = Invitation.create(user: user)
+      visit invitation_url(id: @invitation.token)
+      click_link "Get started"
     end
-  end
 
-  scenario "Follow link for unused invitation" do
-    visit invitation_url(id: @unused_invitation.token)
+    scenario "Successful signup (happy path galore)" do
+      expect(page).to have_content("Choose a username")
 
-    expect(current_url).to eq(signup_url)
-    expect(page).to have_content("Welcome")
-  end
+      fill_in "user_cn", with: "tony"
+      click_button "Continue"
+      expect(page).to have_content("What's your email?")
 
-  scenario "Successful signup" do
-    visit invitation_url(id: @unused_invitation.token)
-    click_link "Get started"
+      fill_in "user_email", with: "tony@example.com"
+      click_button "Continue"
+      expect(page).to have_content("Choose a password")
+
+      expect(CreateAccount).to receive(:call)
+        .with(username: "tony", email: "tony@example.com", password: "a-valid-password")
+        .and_return(true)
+
+      fill_in "user_password", with: "a-valid-password"
+      click_button "Create account"
+      within ".flash-msg.notice" do
+        expect(page).to have_content("confirm your address")
+      end
+      expect(page).to have_content("close this window or tab now")
+      expect(User.last.confirmed_at).to be_nil
+    end
+
+    scenario "Validation errors" do
+      fill_in "user_cn", with: "t"
+      click_button "Continue"
+      expect(page).to have_content("Username is too short")
+      fill_in "user_cn", with: "jimmy"
+      click_button "Continue"
+      expect(page).to have_content("Username has already been taken")
+      fill_in "user_cn", with: "tony"
+      click_button "Continue"
+
+      fill_in "user_email", with: "tony@"
+      click_button "Continue"
+      expect(page).to have_content("Email is not a valid address")
+      fill_in "user_email", with: ""
+      click_button "Continue"
+      expect(page).to have_content("Email can't be blank")
+      fill_in "user_email", with: "tony@example.com"
+      click_button "Continue"
+
+      fill_in "user_password", with: "123456"
+      click_button "Create account"
+      expect(page).to have_content("Password is too short")
+
+      expect(CreateAccount).to receive(:call)
+        .with(username: "tony", email: "tony@example.com", password: "a-valid-password")
+        .and_return(true)
+
+      fill_in "user_password", with: "a-valid-password"
+      click_button "Create account"
+      within ".flash-msg.notice" do
+        expect(page).to have_content("confirm your address")
+      end
+      expect(User.last.cn).to eq("tony")
+    end
   end
 end

spec/models/invitation_spec.rb

@@ -19,4 +19,26 @@ RSpec.describe Invitation, type: :model do
       expect(token).not_to eq(invitation_2.token)
     end
   end
+
+  describe "scopes" do
+    before do
+      @unused_invitation = create :invitation, user: user
+      @used_invitation   = create :invitation, user: user, used_at: DateTime.now
+      @used_invitation_2 = create :invitation, user: user, used_at: DateTime.now
+    end
+
+    describe "#unused" do
+      it "returns unused invitations" do
+        expect(Invitation.unused.count).to eq(1)
+        expect(Invitation.unused.first).to eq(@unused_invitation)
+      end
+    end
+
+    describe "#used" do
+      it "returns used invitations" do
+        expect(Invitation.used.count).to eq(2)
+        expect(Invitation.used.first).to eq(@used_invitation)
+      end
+    end
+  end
 end