add: ar transaction specs

Author: MarieGiy

spec/integration/hati_command/befehl_spec.rb

@@ -95,4 +95,34 @@ def execute(message)
  end
  end
  end
+
+ # TODO: load ActiveRecord !!!!!
+ # describe 'ActiveRecord transaction wrapping' do
+ # before do
+ # stub_const(
+ # 'MyDummyExecBefehl',
+ # Class.new(befehl_klass) do
+ # command do
+ # ar_transaction :call
+ # end
+
+ # def call(message)
+ # HatiCommand::Success.new(message)
+ # end
+ # end
+ # )
+ # end
+
+ # describe '.execute' do
+ # let(:rez_msg) { 'This is a result AR transaction message' }
+ # let(:result) { MyDummyExecBefehl.call(rez_msg) }
+
+ # it 'returns success' do
+ # aggregate_failures do
+ # expect(result).to be_a(HatiCommand::Success)
+ # expect(result.value).to eq(rez_msg)
+ # end
+ # end
+ # end
+ # end
 end

spec/integration/hati_command/befehl_wip_spec.rb

@@ -0,0 +1,55 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+require 'active_record'
+# require_relative 'support/active_record'
+
+ActiveRecord::Base.establish_connection(
+ adapter: 'sqlite3',
+ database: ':memory:'
+)
+
+ActiveRecord::Schema.define do
+ create_table :widgets, force: true do |t|
+ t.string :name
+ t.timestamps
+ end
+end
+
+class Widget < ActiveRecord::Base; end
+
+RSpec.describe HatiCommand::Befehl do
+ let(:befehl_klass) { support_dummy_befehl('DummyBefehl') }
+
+ describe 'ActiveRecord transaction wrapping' do
+ before do
+ stub_const(
+ 'MyDummyExecBefehl',
+ Class.new(befehl_klass) do
+ command do
+ ar_transaction :call
+ end
+
+ def call(message)
+ raise ActiveRecord::Rollback if message == 'fail'
+
+ Widget.create!(name: message)
+ HatiCommand::Success.new(message)
+ end
+ end
+ )
+ end
+
+ it 'commits the transaction on success' do
+ expect { MyDummyExecBefehl.call('Widget1') }.to change { Widget.count }.by(1)
+ end
+
+ it 'rolls back the transaction on failure' do
+ expect do
+ MyDummyExecBefehl.call('fail')
+ rescue StandardError
+ nil
+ end.not_to(change { Widget.count })
+ end
+ end
+end