GraphTest.php

<?php

require_once(__DIR__ . "/../inc/global.php");
require_once(__DIR__ . "/../layout/graphs.php");
require_once(__DIR__ . "/../graphs/types.php");

/**
 * Tests related to graphs.
 */
class GraphTestsTest extends PHPUnit_Framework_TestCase {

  function testDefaultExchangeTest() {
    $this->assertEquals('BTC-e for LTC/FTC, Bitstamp for USD, CEX.io for GHS', get_default_exchange_text(array('ltc', 'ftc', 'usd', 'ghs')));
    $this->assertEquals('BTC-e for LTC, Bitstamp for USD, CEX.io for GHS', get_default_exchange_text(array('ltc', 'usd', 'ghs')));
    $this->assertEquals('BTC-e for LTC/FTC', get_default_exchange_text(array('ltc', 'ftc')));
    $this->assertEquals('', get_default_exchange_text(array()));
  }

  /**
   * Can probably remove this test when graphs are subclasses rather than
   * associative arrays.
   */
  function testAllGraphsHaveHeadings() {
    // we need to login because private graphs require summary currencies
    $_SESSION["user_id"] = 101;
    $_SESSION["user_name"] = "Testing user";
    $_SESSION["user_key"] = "testing-key";
    global $global_user_logged_in;
    $global_user_logged_in = true;

    $graphs = graph_types();
    foreach ($graphs as $key => $type) {
      if (isset($type['category']) && $type['category']) {
        $this->assertEmpty(isset($type['heading']), "Graph $key is a category and should not have a heading");
      } else if (isset($type['subcategory']) && $type['subcategory']) {
        $this->assertEmpty(isset($type['heading']), "Graph $key is a subcategory and should not have a heading");
      } else {
        $this->assertNotEmpty(isset($type['heading']), "Graph $key has no heading");
        $this->assertNotEmpty($type['heading'], "Graph $key has an empty heading");
      }
    }
  }

  /**
   * Currently the type of `graph_type` in the `graphs` database table
   * is limited to varchar(32); we check that all defined graph types, that
   * are not categories or subcategories, are within this limit.
   */
  function testAllGraphsHaveShortNames() {
    // we need to login because private graphs require summary currencies
    $_SESSION["user_id"] = 101;
    $_SESSION["user_name"] = "Testing user";
    $_SESSION["user_key"] = "testing-key";
    global $global_user_logged_in;
    $global_user_logged_in = true;

    $graphs = graph_types();
    foreach ($graphs as $key => $type) {
      if (isset($type['category']) && $type['category']) {
        // ignore
      } else if (isset($type['subcategory']) && $type['subcategory']) {
        // ignore
      } else {
        $this->assertLessThan(32, strlen($key), "Graph key '$key' should be less than 32 characters long");
      }
    }
  }

}