commerce_multicurrency.test in Commerce Multicurrency 7

Tests for the commerce currency module.

File

tests/commerce_multicurrency.test

<?php

/**
 * @file
 * Tests for the commerce currency module.
 */

/**
 * Tests for the commerce currency module.
 */
class CommerceMulticurrencyTestCase extends DrupalWebTestCase {

  /**
   * Defines the cookie name used to store the set currency.
   * @var string
   */
  protected $cookieName = 'Drupal_visitor_commerce_currency';

  /**
   * Implementation of getInfo().
   */
  public static function getInfo() {
    return array(
      'name' => 'Commerce Multicurrency',
      'description' => 'Test multicurrency features.',
      'group' => 'Commerce Multicurrency',
    );
  }

  /**
   * Setup.
   */
  public function setUp() {
    $modules = func_get_args();
    $modules = isset($modules[0]) ? $modules[0] : $modules;
    $modules[] = 'rules';
    $modules[] = 'commerce';
    $modules[] = 'commerce_ui';
    $modules[] = 'commerce_price';
    $modules[] = 'commerce_multicurrency';
    parent::setUp($modules);

    // Enable currencies.
    variable_set('commerce_enabled_currencies', array(
      commerce_default_currency() => commerce_default_currency(),
      'CHF' => 'CHF',
      'EUR' => 'EUR',
    ));

    // Ensure the static currencies cache is reset.
    commerce_currencies(TRUE, TRUE);
  }

  /**
   * Test that the currency retrieving works.
   */
  public function testGetCurrency() {

    // Ensure environment is clean.
    $currency_code =& drupal_static('commerce_multicurrency_get_user_currency_code', FALSE);
    $currency_code = FALSE;
    unset($_COOKIE[$this->cookieName]);

    // Check fallback behaviour if no currency is explicitly set.
    $this
      ->assertEqual(commerce_default_currency(), commerce_multicurrency_get_user_currency_code(), 'Default: ' . commerce_default_currency() . ' returned.');

    // Inject currency.
    $currency_code = 'CHF';
    $this
      ->assertEqual($currency_code, commerce_multicurrency_get_user_currency_code(), 'Static cache: CHF returned.');

    // Reset currency code, but set cookie.
    $currency_code = FALSE;
    $_COOKIE[$this->cookieName] = 'EUR';
    $this
      ->assertEqual('EUR', commerce_multicurrency_get_user_currency_code(), 'Cookie: EUR returned.');

    // Check if the static cache works.
    unset($_COOKIE[$this->cookieName]);
    $this
      ->assertEqual('EUR', commerce_multicurrency_get_user_currency_code(), 'Static Cache follow up: EUR returned.');

    // Ensure only valid currencies are accepted from cookies.
    $_COOKIE[$this->cookieName] = 'NOP';
    $currency_code = FALSE;
    $this
      ->assertEqual(commerce_default_currency(), commerce_multicurrency_get_user_currency_code(), 'Invalid currency was not returned.');
  }

  /**
   * Test that the currency switching works as expected.
   */
  public function testSetCurrency() {

    // Reset currency to default.
    $currency_code =& drupal_static('commerce_multicurrency_get_user_currency_code', FALSE);
    $currency_code = commerce_default_currency();

    // Ensure no cookie is set.
    unset($_COOKIE[$this->cookieName]);
    commerce_multicurrency_set_user_currency_code('CHF');
    $this
      ->assertEqual('CHF', commerce_multicurrency_get_user_currency_code(), 'Currency set to CHF.');
    $this
      ->assertEqual('CHF', $currency_code, 'Static cache reference contains CHF.');

    // We can't check if cookie is set in unit tests.
    // Ensure only valid currency can be set.
    commerce_multicurrency_set_user_currency_code('NOP');
    $this
      ->assertEqual('CHF', commerce_multicurrency_get_user_currency_code(), 'Invalid currency was not set.');
  }

  /**
   * Test that the currency switching works as expected.
   */
  public function testNotOverwrittingCurrency() {

    // Reset currency to default.
    $currency_code =& drupal_static('commerce_multicurrency_get_user_currency_code', FALSE);
    $currency_code = commerce_default_currency();

    // Set currency only if no cookie is set.
    $_COOKIE[$this->cookieName] = $currency_code;
    commerce_multicurrency_set_user_currency_code('CHF', FALSE);
    $this
      ->assertEqual(commerce_default_currency(), commerce_multicurrency_get_user_currency_code(), 'Currency is not overwritten if cookie is set.');
    $this
      ->assertEqual(commerce_default_currency(), $currency_code, 'Static cache currency is not overwritten if cookie is set.');
    $this
      ->assertEqual(commerce_default_currency(), $_COOKIE[$this->cookieName], 'Cookie currency is not overwritten if cookie is set.');

    // Set currency only if no cookie is set.
    unset($_COOKIE[$this->cookieName]);
    commerce_multicurrency_set_user_currency_code('EUR', FALSE);
    $this
      ->assertEqual('EUR', commerce_multicurrency_get_user_currency_code(), 'Currency is set if no cookie is set.');
    $this
      ->assertEqual('EUR', $currency_code, 'Static cache currency is set if no cookie is set.');

    // We can't check if cookie is set in unit tests.
  }

}

Classes

Name	Description
CommerceMulticurrencyTestCase	Tests for the commerce currency module.