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require 'test_helper'

class TrackControllerTest < ActionController::TestCase
  test "report simple" do
    send_message 'shopping 20', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => 'shopping'
  end
  
  test "report other way" do
    send_message '20 shopping', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => 'shopping'
  end
  
  test "report dollar simbol" do
    send_message 'shopping $20', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => 'shopping'
  end
  
  test "report many things" do
    send_message '3 beers 20', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => '3 beers'
  end
  
  test "report and get answer" do
    send_message 'shopping $20!', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => 'shopping'
    
    assert_header 'X-GeoChat-Action', 'reply'
    assert_equal 'shopping: 20.0 unknown currency', @response.body
  end
  
  test "report and don't get answer" do
    send_message 'shopping $20', :sender => 'pepe'
    assert_header 'X-GeoChat-Action', nil
  end
  
  test "change currency" do
    send_message 'dollars', :sender => 'pepe'
    send_message 'shopping 20', :sender => 'pepe'
    assert_tracked :user => 'pepe', :amount => 20, :reason => 'shopping', :currency => 'dollars'
  end
  
  test "change currency don't get answer" do
    send_message 'dollars', :sender => 'pepe'
    assert_header 'X-GeoChat-Action', nil
  end
  
  test "change currency and get answer" do
    send_message 'dollars!', :sender => 'pepe'
    assert_header 'X-GeoChat-Action', 'reply'
    assert_equal 'Currency changed to dollars', @response.body
  end
  
  def send_message(message, options)
    @request.env['RAW_POST_DATA'] = message
    post :expense, options
  end
  
  def assert_tracked(options)
    users = User.all
    assert_equal 1, users.length
    assert_equal options[:user], users[0].name
    
    expenses = Expense.all
    assert_equal users[0].id, expenses[0].user_id
    assert_equal options[:amount], expenses[0].amount
    assert_equal options[:reason], expenses[0].reason
    assert_equal options[:currency], expenses[0].currency
  end
  
  def assert_header(header, value)
    assert_equal @response.headers[header], value
  end
end