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tests: Add tests for Parameters 
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‎tests/system/HTTP/Parameters/InputParametersTest.php

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<?php
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declare(strict_types=1);
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <[email protected]>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\HTTP\Parameters;
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use CodeIgniter\Exceptions\InvalidArgumentException;
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use CodeIgniter\Test\CIUnitTestCase;
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use PHPUnit\Framework\Attributes\Group;
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use stdClass;
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/**
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* @internal
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*/
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#[Group('Others')]
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final class InputParametersTest extends CIUnitTestCase
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{
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/**
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* @var array<string, mixed>
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*/
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private array $original = [
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'title' => '',
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'toolbar' => '1',
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'path' => 'public/index.php',
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'current_time' => 1741522635.661474,
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'debug' => true,
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'pages' => 15,
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'filters' => [
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0 => 'name',
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1 => 'sum',
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],
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'sort' => [
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'date' => 'ASC',
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'age' => 'DESC',
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],
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];
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public function testGetNonScalarValues(): void
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{
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$parameters = new InputParameters($this->original);
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$this->assertNull($parameters->get('undefined_or_null', null));
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$this->expectException(InvalidArgumentException::class);
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$parameters->get('undefined_throw', new stdClass());
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}
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public function testAttemptSetNullValues(): void
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{
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$parameters = new InputParameters($this->original);
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$this->expectException(InvalidArgumentException::class);
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$parameters->set('nullable', null);
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}
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public function testAttemptSetNonScalarValues(): void
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{
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$parameters = new InputParameters($this->original);
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$this->expectException(InvalidArgumentException::class);
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$parameters->set('nullable', null);
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}
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public function testUpdateAndSetNewValues(): void
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{
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/**
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* @var array<string, mixed>
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*/
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$expected = [
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'title' => 'CodeIgniter',
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'toolbar' => '0',
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'path' => '',
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'current_time' => 1741522888.661434,
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'debug' => false,
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'pages' => 10,
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'filters' => [
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0 => 'sum',
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1 => 'name',
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],
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'sort' => [
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'age' => 'ASC',
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'date' => 'DESC',
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],
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'slug' => 'Ben-i-need-help',
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];
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$parameters = new InputParameters($this->original);
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foreach (array_keys($expected) as $key) {
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$parameters->set($key, $expected[$key]);
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}
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$this->assertSame($expected, $parameters->all());
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}
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}

‎tests/system/HTTP/Parameters/ParametersTest.php

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<?php
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declare(strict_types=1);
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/**
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* This file is part of CodeIgniter 4 framework.
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*
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* (c) CodeIgniter Foundation <[email protected]>
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*
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* For the full copyright and license information, please view
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* the LICENSE file that was distributed with this source code.
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*/
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namespace CodeIgniter\HTTP\Parameters;
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use CodeIgniter\Test\CIUnitTestCase;
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use PHPUnit\Framework\Attributes\Group;
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use stdClass;
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/**
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* @internal
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*/
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#[Group('Others')]
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final class ParametersTest extends CIUnitTestCase
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{
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/**
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* @var array<string, mixed>
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*/
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private array $original = [];
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protected function setUp(): void
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{
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$this->original = [
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'DOCUMENT_ROOT' => '',
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'DISPLAY' => '1',
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'SCRIPT_NAME' => 'vendor/bin/phpunit',
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'REQUEST_TIME_FLOAT' => 1741522635.661474,
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'IS_HTTPS' => true,
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'PHP_NULLABLE_VAR' => null,
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'OBJECT' => new stdClass(),
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'argc' => 3,
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'argv' => [
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0 => 'vendor/bin/phpunit',
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1 => './tests/ParametersTest.php',
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2 => '--no-coverage',
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],
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];
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}
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public function testCreateParametersAndCompareIdentity(): void
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{
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$parameters = new Parameters($this->original);
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$this->assertSame($this->original, $parameters->all());
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$this->assertSame($this->original, iterator_to_array($parameters->getIterator()));
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}
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public function testCreateEmptyParameters(): void
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{
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$parameters = new Parameters();
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$this->assertSame([], $parameters->all());
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}
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public function testGetValues(): void
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{
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$parameters = new Parameters($this->original);
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foreach ($parameters->keys() as $key) {
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$this->assertSame($this->original[$key], $parameters->get($key));
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}
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}
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public function testUpdateAndSetNewValues(): void
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{
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/**
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* @var array<string, mixed>
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*/
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$expected = [
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'DOCUMENT_ROOT' => '/www',
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'DISPLAY' => '0',
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'SCRIPT_NAME' => '',
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'REQUEST_TIME_FLOAT' => 1741522600.661400,
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'IS_HTTPS' => false,
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'PHP_NULLABLE_VAR' => null,
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'OBJECT' => new stdClass(),
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'argc' => 2,
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'argv' => [
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0 => 'bin/phpunit',
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1 => './ParametersTest.php',
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],
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'XDEBUG' => 'enabled',
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];
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$parameters = new Parameters($this->original);
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foreach (array_keys($expected) as $key) {
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$parameters->set($key, $expected[$key]);
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}
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$this->assertSame($expected, $parameters->all());
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}
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public function testOverrideParameters(): void
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{
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/**
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* @var array<string, mixed>
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*/
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$expected = [
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'XDEBUG' => 'enabled',
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'DOCUMENT_ROOT' => '/www',
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'DISPLAY' => '0',
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'SCRIPT_NAME' => '',
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'REQUEST_TIME_FLOAT' => 1741522600.661400,
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'IS_HTTPS' => false,
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'PHP_NULLABLE_VAR' => null,
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'OBJECT' => new stdClass(),
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'argc' => 2,
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'argv' => [
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0 => 'bin/phpunit',
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1 => './ParametersTest.php',
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],
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];
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$parameters = new Parameters($this->original);
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$parameters->override($expected);
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$this->assertSame($expected, $parameters->all());
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}
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public function testGetUndefinedParametersWithDefaultValueReturn(): void
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{
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$parameters = new Parameters([]);
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$this->assertNull($parameters->get('undefined'));
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$this->assertInstanceOf(stdClass::class, $parameters->get('undefined', new stdClass()));
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$this->assertSame('', $parameters->get('undefined', ''));
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$this->assertSame(1000, $parameters->get('undefined', 1000));
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$this->assertSame(['name' => 'Ivan'], $parameters->get('undefined', ['name' => 'Ivan']));
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$this->assertEqualsWithDelta(10.00, $parameters->get('undefined', 10.00), PHP_FLOAT_EPSILON);
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}
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public function testRemoveKeys(): void
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{
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$parameters = new Parameters($this->original);
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$parameters->remove('argc');
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$parameters->remove('argv');
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unset($this->original['argc'], $this->original['argv']);
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$this->assertSame($this->original, $parameters->all());
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}
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public function testCount(): void
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{
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$parameters = new Parameters($this->original);
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$this->assertSame(count($this->original), $parameters->count());
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$parameters->remove('DOCUMENT_ROOT');
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$parameters->remove('DISPLAY');
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$this->assertSame(count($this->original) - 2, $parameters->count());
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}
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}

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