nur-sery/tests/php/access/ValueAccessTest.php

<?php
namespace nur\sery\php\access;

use nulib\tests\TestCase;
use nur\sery\wip\php\access\ValueAccess;
use stdClass;

class ValueAccessTest extends TestCase {
  function testAccess() {
    $default = new stdClass();

    #
    $i = null;
    $a = new ValueAccess($i);
    self::assertFalse($a->exists());
    self::assertFalse($a->available());
    self::assertSame($default, $a->get($default));

    $i = false;
    $a = new ValueAccess($i);
    self::assertTrue($a->exists());
    self::assertTrue($a->available());
    self::assertSame(false, $a->get($default));

    $i = "";
    $a = new ValueAccess($i);
    self::assertTrue($a->exists());
    self::assertTrue($a->available());
    self::assertSame("", $a->get($default));

    #
    $i = null;
    $a = new ValueAccess($i, ["allow_null" => false]);
    self::assertFalse($a->exists());
    self::assertFalse($a->available());
    self::assertSame($default, $a->get($default));

    $i = null;
    $a = new ValueAccess($i, ["allow_null" => true]);
    self::assertTrue($a->exists());
    self::assertTrue($a->available());
    self::assertSame(null, $a->get($default));

    #
    $i = false;
    $a = new ValueAccess($i, ["allow_false" => false]);
    self::assertTrue($a->exists());
    self::assertFalse($a->available());
    self::assertSame($default, $a->get($default));

    $i = false;
    $a = new ValueAccess($i, ["allow_false" => true]);
    self::assertTrue($a->exists());
    self::assertTrue($a->available());
    self::assertSame(false, $a->get($default));

    #
    $i = "";
    $a = new ValueAccess($i, ["allow_empty" => false]);
    self::assertTrue($a->exists());
    self::assertFalse($a->available());
    self::assertSame($default, $a->get($default));

    $i = "";
    $a = new ValueAccess($i, ["allow_empty" => true]);
    self::assertTrue($a->exists());
    self::assertTrue($a->available());
    self::assertSame("", $a->get($default));
  }
}