function MethodsTests::_methods_tester_with_geos in geoPHP 7

Same name and namespace in other branches

1. 8 geoPHP/tests/tests/methodsTest.php \MethodsTests::_methods_tester_with_geos()

1 call to MethodsTests::_methods_tester_with_geos()

MethodsTests::testMethods in geoPHP/tests/tests/methodsTest.php

File

geoPHP/tests/tests/methodsTest.php, line 285

Class

MethodsTests

Code

function _methods_tester_with_geos($geometry) {

  // Cannot test methods if GEOS is not intstalled
  if (!geoPHP::geosInstalled()) {
    return;
  }
  $methods = array(
    //'boundary', //@@TODO: Uncomment this and fix errors
    'envelope',
    //@@TODO: Testing reveales errors in this method -- POINT vs. POLYGON
    'getBBox',
    'x',
    'y',
    'startPoint',
    'endPoint',
    'isRing',
    'isClosed',
    'numPoints',
  );
  foreach ($methods as $method) {

    // Turn GEOS on
    geoPHP::geosInstalled(TRUE);
    $geos_result = $geometry
      ->{$method}();

    // Turn GEOS off
    geoPHP::geosInstalled(FALSE);
    $norm_result = $geometry
      ->{$method}();

    // Turn GEOS back On
    geoPHP::geosInstalled(TRUE);
    $geos_type = gettype($geos_result);
    $norm_type = gettype($norm_result);
    if ($geos_type != $norm_type) {
      $this
        ->fail('Type mismatch on ' . $method);
      $this
        ->dump($geos_type);
      $this
        ->dump($norm_type);
      continue;
    }

    // Now check base on type
    if ($geos_type == 'object') {
      $haus_dist = $geos_result
        ->hausdorffDistance(geoPHP::load($norm_result
        ->out('wkt'), 'wkt'));

      // Get the length of the diagonal of the bbox - this is used to scale the haustorff distance
      // Using Pythagorean theorem
      $bb = $geos_result
        ->getBBox();
      $scale = sqrt(($bb['maxy'] - $bb['miny'] ^ 2) + ($bb['maxx'] - $bb['minx'] ^ 2));

      // The difference in the output of GEOS and native-PHP methods should be less than 0.5 scaled haustorff units
      if ($haus_dist / $scale > 0.5) {
        $this
          ->fail('Output mismatch on ' . $method);
        $this
          ->dump('GEOS : ');
        $this
          ->dump($geos_result
          ->out('wkt'));
        $this
          ->dump('NORM : ');
        $this
          ->dump($norm_result
          ->out('wkt'));
        continue;
      }
    }
    if ($geos_type == 'boolean' || $geos_type == 'string') {
      if ($geos_result !== $norm_result) {
        $this
          ->fail('Output mismatch on ' . $method);
        $this
          ->dump('GEOS : ');
        $this
          ->dump((string) $geos_result);
        $this
          ->dump('NORM : ');
        $this
          ->dump((string) $norm_result);
        continue;
      }
    }

    //@@TODO: Run tests for output of types arrays and float

    //@@TODO: centroid function is non-compliant for collections and strings
  }
}