Convert tests to rspec.

.travis.yml

@@ -1,3 +1,7 @@
+branches:
+  only:
+    - master
+
 language: ruby
 
 rvm:
@@ -6,7 +10,8 @@ rvm:
   - 2.5
   - 2.6
   - 2.7
-  - jruby
+  - jruby-9.1
+  - jruby-9.2
 
 gemfile:
   - gemfiles/rails-5.2.gemfile
@@ -25,5 +30,7 @@ jobs:
       rvm: 2.3
     - gemfile: gemfiles/rails-6.0.gemfile
       rvm: 2.4
+    - gemfile: gemfiles/rails-6.0.gemfile
+      rvm: jruby-9.1
 
 bundler_args: --without docs release

Gemfile

@@ -8,6 +8,10 @@ group :development do
   gem 'rubocop'
 end
 
+group :test do
+  gem 'rspec'
+end
+
 group :docs do
   gem 'yard'
   gem 'yard-sitemap', '~> 1.0'

Rakefile

@@ -1,20 +1,17 @@
 # frozen_string_literal: true
 
-require 'rake/testtask'
 require 'rubocop/rake_task'
 
-root = File.dirname(__FILE__)
-
-$VERSION = ENV['VERSION'] || File.read(File.join(root, 'VERSION')).strip
+$REPO_ROOT = File.dirname(__FILE__)
+$VERSION = ENV['VERSION'] || File.read(File.join($REPO_ROOT, 'VERSION')).strip
 
 Dir.glob('**/*.rake').each do |task_file|
   load task_file
 end
 
-Rake::TestTask.new do |t|
-  t.libs << 'test'
-  t.pattern = 'test/**/*_test.rb'
-end
+
+desc 'Runs unit tests'
+task 'test' => ['test:unit']
 
 RuboCop::RakeTask.new
 

spec/aws/rails/mailer_spec.rb

@@ -0,0 +1,74 @@
+# frozen_string_literal: true
+
+require_relative '../../spec_helper'
+require 'mail'
+
+class TestMailer < ActionMailer::Base
+  layout nil
+
+  def deliverable(options = {})
+    mail(
+      body: options[:body],
+      delivery_method: :ses,
+      from: options[:from],
+      subject: options[:subject],
+      to: options[:to]
+    )
+  end
+end
+
+module Aws
+  module Rails
+    describe Mailer do
+      let(:client_options) do
+        {
+          stub_responses: {
+            send_raw_email: {
+              message_id: ses_message_id
+            }
+          }
+        }
+      end
+
+      let(:mailer) { Mailer.new(client_options) }
+
+      let(:sample_message) do
+        TestMailer.deliverable(
+          body: 'Hallo',
+          from: '[email protected]',
+          subject: 'This is a test',
+          to: '[email protected]'
+        )
+      end
+
+      let(:ses_message_id) do
+        '0000000000000000-1111111-2222-3333-4444-555555555555-666666'
+      end
+
+      before do
+        ActionMailer::Base.add_delivery_method(:ses, Mailer, client_options)
+      end
+
+      describe '#settings' do
+        it 'returns an empty hash' do
+          expect(mailer.settings).to eq({})
+        end
+      end
+
+      describe '#deliver' do
+        it 'delivers the message' do
+          mailer_data = mailer.deliver!(sample_message).context.params
+          raw = mailer_data[:raw_message][:data].to_s
+          raw.gsub!("\r\nHallo", "ses-message-id: #{ses_message_id}\r\n\r\nHallo")
+          expect(raw).to eq sample_message.to_s
+          expect(mailer_data[:destinations]).to eq sample_message.destinations
+        end
+
+        it 'delivers with action mailer' do
+          message = sample_message.deliver_now
+          expect(message.header[:ses_message_id].value).to eq ses_message_id
+        end
+      end
+    end
+  end
+end

spec/aws/rails/railtie_spec.rb

@@ -0,0 +1,32 @@
+# frozen_string_literal: true
+
+require_relative '../../spec_helper'
+
+module Aws
+  module Rails
+
+    describe 'Railtie' do
+      it 'adds action mailer delivery method' do
+        expect(ActionMailer::Base.delivery_methods[:ses]).to eq Aws::Rails::Mailer
+      end
+
+      it 'sets the Aws logger' do
+        expect(Aws.config[:logger]).to eq ::Rails.logger
+      end
+
+      context 'rails encrypted credentials' do
+        let(:rails_creds) { ::Rails.application.credentials.aws }
+        it 'sets aws credentials' do
+          expect(Aws.config[:access_key_id]).to eq rails_creds[:access_key_id]
+          expect(Aws.config[:secret_access_key]).to eq rails_creds[:secret_access_key]
+        end
+
+        it 'does not load non credential keys into aws config' do
+          expect(rails_creds[:non_credential_key]).not_to be_nil
+          expect(Aws.config[:non_credential_key]).to be_nil
+        end
+      end
+
+    end
+  end
+end

test/test_helper.rb → spec/spec_helper.rb

@@ -1,8 +1,8 @@
 # frozen_string_literal: true
 
-require 'minitest/autorun'
-ENV['RAILS_ENV'] = 'test'
+require 'rspec'
 
+ENV['RAILS_ENV'] = 'test'
 require_relative 'dummy/config/application'
 
 Rails.application.initialize!