77 lines
2.1 KiB
PHP
77 lines
2.1 KiB
PHP
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<?php
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declare(strict_types=1);
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namespace Tests\Unit\Shared\Pagination;
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use InvalidArgumentException;
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use Shared\Pagination\PageNumber;
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covers(PageNumber::class);
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describe('PageNumber Value Object Unit Tests', function (): void {
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it('creates a valid page number with default value', function (): void {
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// GIVEN / WHEN
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$page = new PageNumber();
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// THEN
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expect($page->value)->toBe(1)
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->and($page->value())->toBe(1)
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->and((string) $page)->toBe('1')
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->and(json_encode($page))->toBe('1');
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});
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it('creates a valid page number with specific value', function (): void {
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// GIVEN
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$value = 5;
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// WHEN
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$page = new PageNumber($value);
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// THEN
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expect($page->value)->toBe(5)
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->and($page->value())->toBe(5)
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->and((string) $page)->toBe('5');
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});
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it('creates a page number using of() factory', function (): void {
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// GIVEN
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$value = 10;
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// WHEN
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$page = PageNumber::of($value);
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// THEN
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expect($page->value)->toBe(10);
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});
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it('creates a page number using default() factory', function (): void {
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// GIVEN / WHEN
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$page = PageNumber::default();
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// THEN
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expect($page->value)->toBe(1);
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});
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it('rejects invalid page numbers', function (int $invalid): void {
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// GIVEN / WHEN
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expect(fn () => new PageNumber($invalid))
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// THEN
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->toThrow(InvalidArgumentException::class, 'Page number must be greater than 0');
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})->with([0, -1, -5, -100]);
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it('correctly checks equality with another instance', function (): void {
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// GIVEN
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$page1 = new PageNumber(2);
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$page2 = new PageNumber(2);
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$page3 = new PageNumber(3);
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// THEN
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expect($page1->equals($page2))->toBeTrue()
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->and($page1->equals($page3))->toBeFalse()
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->and($page1->equals(2))->toBeFalse()
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->and($page1->equals(null))->toBeFalse()
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->and($page1->equals('2'))->toBeFalse();
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});
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});
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