Spec donation approval

Specs for #36 and contributes to #23.

Gemfile

@@ -148,6 +148,9 @@ group :test do
 
   # Automatically save screen shots when a Capybara scenario fails. https://github.com/mattheworiordan/capybara-screenshot
   gem 'capybara-screenshot', '~> 1.0', require: false
+
+  # Test ActionMailer and Mailer messages with Capybara. https://github.com/DockYard/capybara-email
+  gem 'capybara-email', '~> 2.5', require: false
 end
 
 # Windows does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -65,6 +65,9 @@ GEM
       rack (>= 1.0.0)
       rack-test (>= 0.5.4)
       xpath (~> 2.0)
+    capybara-email (2.5.0)
+      capybara (~> 2.4)
+      mail
     capybara-screenshot (1.0.14)
       capybara (>= 1.0, < 3)
       launchy
@@ -341,6 +344,7 @@ DEPENDENCIES
   bootstrap_form (~> 2.6)!
   byebug (~> 9.0)
   capybara (~> 2.13)
+  capybara-email (~> 2.5)
   capybara-screenshot (~> 1.0)
   coffee-rails (~> 4.2)
   coveralls (~> 0.8)

app/controllers/donations_controller.rb

@@ -73,6 +73,7 @@ def approve
     donation = Donation.find(params[:id])
     authorize donation
     Donations::ApprovalService.new(donation, current_user).approve
+    flash[:notice] = 'Your approval of the donation has been recorded.'
     redirect_back fallback_location: donations_path
   end
 

spec/features/donations/approval_spec.rb

@@ -0,0 +1,33 @@
+require 'rails_helper'
+
+feature 'Approve donation' do
+  include UserSpecHelper
+
+  let(:donation) { create :donation }
+  let(:national_finance_head) { donation.volunteer.national_finance_head }
+
+  scenario 'Volunteer creates donation' do
+    sign_in_user national_finance_head.user
+
+    expect(page).to have_content('Dashboard')
+
+    visit donation_path(donation)
+
+    click_link('Approve')
+
+    expect(page).to have_content('Your approval of the donation has been recorded.')
+
+    # The receipt should be sent to the donor.
+    open_email(donation.email)
+
+    expect(current_email.subject).to eq('GoDreams Donation Receipt')
+    expect(current_email).to have_content('As promised, please find attached the e-receipt of your contribution to Guardians of Dreams Foundation.')
+    expect(current_email.attachments.first.filename).to eq('godreams_receipt.pdf')
+
+    # The receipt should also be delivered to receipts@godreams.org.
+    open_email('receipts@godreams.org')
+
+    expect(current_email.subject).to eq('GoDreams Donation Receipt')
+    expect(current_email.attachments.first.filename).to eq('godreams_receipt.pdf')
+  end
+end

spec/rails_helper.rb

@@ -29,6 +29,9 @@
 # Enable capybara-screenshot.
 require 'capybara-screenshot/rspec'
 
+# Enable capybara-email.
+require 'capybara/email/rspec'
+
 # Requires supporting ruby files with custom matchers and macros, etc, in
 # spec/support/ and its subdirectories. Files matching `spec/**/*_spec.rb` are
 # run as spec files by default. This means that files in spec/support that end