MeasurementTest.php in Physical Fields 8

Namespace

Drupal\Tests\physical\Unit

File

tests/src/Unit/MeasurementTest.php

<?php

namespace Drupal\Tests\physical\Unit;

use Drupal\physical\Length;
use Drupal\Tests\UnitTestCase;

/**
 * Tests the measurement base class.
 *
 * @coversDefaultClass \Drupal\physical\Measurement
 * @group physical
 */
class MeasurementTest extends UnitTestCase {

  /**
   * The measurement.
   *
   * @var \Drupal\physical\Measurement
   */
  protected $measurement;

  /**
   * {@inheritdoc}
   */
  public function setUp() {
    parent::setUp();
    $this->measurement = new Length('10', 'm');
  }

  /**
   * ::covers __construct.
   */
  public function testInvalidNumber() {
    $this
      ->expectException(\InvalidArgumentException::class);
    $measurement = new Length('INVALID', 'm');
  }

  /**
   * Tests the methods for getting the number and unit in various formats.
   *
   * ::covers getNumber
   * ::covers getUnit
   * ::covers __toString
   * ::covers toArray.
   */
  public function testGetters() {
    $this
      ->assertEquals('10', $this->measurement
      ->getNumber());
    $this
      ->assertEquals('m', $this->measurement
      ->getUnit());
    $this
      ->assertEquals('10 m', $this->measurement
      ->__toString());
    $this
      ->assertEquals([
      'number' => '10',
      'unit' => 'm',
    ], $this->measurement
      ->toArray());
  }

  /**
   * Tests the arithmetic methods.
   *
   * ::covers add
   * ::covers subtract
   * ::covers multiply
   * ::covers divide.
   */
  public function testArithmetic() {
    $result = $this->measurement
      ->add(new Length('5', 'm'));
    $this
      ->assertEquals(new Length('15', 'm'), $result);
    $result = $this->measurement
      ->subtract(new Length('5', 'm'));
    $this
      ->assertEquals(new Length('5', 'm'), $result);
    $result = $this->measurement
      ->multiply('5');
    $this
      ->assertEquals(new Length('50', 'm'), $result);
    $result = $this->measurement
      ->divide('10');
    $this
      ->assertEquals(new Length('1', 'm'), $result);

    // Test mismatched units.
    $result = $this->measurement
      ->add(new Length('200', 'cm'));
    $this
      ->assertEquals(new Length('12', 'm'), $result);
    $result = $this->measurement
      ->subtract(new Length('2.5', 'ft'));
    $this
      ->assertEquals(new Length('9.238', 'm'), $result);
  }

  /**
   * Tests the comparison methods.
   *
   * ::covers isZero
   * ::covers equals
   * ::covers greaterThan
   * ::covers greaterThanOrEqual
   * ::covers lessThan
   * ::covers lessThanOrEqual
   * ::covers compareTo.
   */
  public function testComparison() {
    $this
      ->assertFalse($this->measurement
      ->isZero());
    $zero_measurement = new Length('0', 'm');
    $this
      ->assertTrue($zero_measurement
      ->isZero());
    $this
      ->assertTrue($this->measurement
      ->equals(new Length('10', 'm')));
    $this
      ->assertFalse($this->measurement
      ->equals(new Length('15', 'm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThan(new Length('5', 'm')));
    $this
      ->assertFalse($this->measurement
      ->greaterThan(new Length('10', 'm')));
    $this
      ->assertFalse($this->measurement
      ->greaterThan(new Length('15', 'm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThanOrEqual(new Length('5', 'm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThanOrEqual(new Length('10', 'm')));
    $this
      ->assertFalse($this->measurement
      ->greaterThanOrEqual(new Length('15', 'm')));
    $this
      ->assertTrue($this->measurement
      ->lessThan(new Length('15', 'm')));
    $this
      ->assertFalse($this->measurement
      ->lessThan(new Length('10', 'm')));
    $this
      ->assertFalse($this->measurement
      ->lessThan(new Length('5', 'm')));
    $this
      ->assertTrue($this->measurement
      ->lessThanOrEqual(new Length('15', 'm')));
    $this
      ->assertTrue($this->measurement
      ->lessThanOrEqual(new Length('10', 'm')));
    $this
      ->assertFalse($this->measurement
      ->lessThanOrEqual(new Length('5', 'm')));

    // Test mismatched units.
    $this
      ->assertTrue($this->measurement
      ->equals(new Length('1000', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThan(new Length('500', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThanOrEqual(new Length('500', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->greaterThanOrEqual(new Length('1000', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->lessThan(new Length('1500', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->lessThanOrEqual(new Length('1500', 'cm')));
    $this
      ->assertTrue($this->measurement
      ->lessThanOrEqual(new Length('1000', 'cm')));
  }

}

Classes

Name	Description
MeasurementTest	Tests the measurement base class.