CustomTest.php

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<?php

declare(strict_types=1);

use ILIAS\Refinery\Custom\Constraint as CustomConstraint;
use PHPUnit\Framework\TestCase;
use ILIAS\Data\Factory as DataFactory;

class MyValidationConstraintsConstraint extends CustomConstraint
{
    public function _getLngClosure(): Closure
    {
        return $this->getLngClosure();
    }
}

class MyToStringClass
{
    private string $str_repr = '';

    public function __toString(): string
    {
        return $this->str_repr;
    }
}

class ValidationConstraintsCustomTest extends TestCase
{
    private string $txt_id = '';
    private ilLanguage $lng;
    private MyValidationConstraintsConstraint $constraint;

    protected function setUp(): void
    {
        $is_ok = static function ($value): bool {
            return false;
        };
        $this->txt_id = "TXT_ID";
        $error = function (callable $txt, $value): string {
            return $txt($this->txt_id, $value);
        };
        $this->lng = $this->createMock(ilLanguage::class);
        $this->constraint = new MyValidationConstraintsConstraint($is_ok, $error, new DataFactory(), $this->lng);
    }

    public function testWithProblemBuilder(): void
    {
        $new_constraint = $this->constraint->withProblemBuilder(static function (): string {
            return "This was a fault";
        });
        $this->assertEquals("This was a fault", $new_constraint->problemWith(""));
    }

    public function testProblemBuilderRetrievesLngClosure(): void
    {
        $cls = null;
        $c = $this->constraint->withProblemBuilder(function ($txt) use (&$cls): string {
            $cls = $txt;
            return "";
        });
        $c->problemWith("");
        $this->assertIsCallable($cls);
    }

    public function test_use_txt(): void
    {
        $txt_out = "'%s'";
        $this->lng
            ->expects($this->once())
            ->method("txt")
            ->with($this->txt_id)
            ->willReturn($txt_out);

        $value = "VALUE";
        $problem = $this->constraint->problemWith($value);

        $this->assertEquals(sprintf($txt_out, $value), $problem);
    }

    public function test_exception_on_no_parameter(): void
    {
        $lng_closure = $this->constraint->_getLngClosure();

        $this->expectException(InvalidArgumentException::class);

        $lng_closure();
    }

    public function test_no_sprintf_on_one_parameter(): void
    {
        $lng_closure = $this->constraint->_getLngClosure();

        $txt_out = "txt";
        $this->lng
            ->expects($this->once())
            ->method("txt")
            ->with($this->txt_id)
            ->willReturn($txt_out);

        $res = $lng_closure($this->txt_id);

        $this->assertEquals($txt_out, $res);
    }

    public function test_gracefully_handle_arrays_and_objects(): void
    {
        $lng_closure = $this->constraint->_getLngClosure();

        $this->lng
            ->expects($this->once())
            ->method("txt")
            ->with("id")
            ->willReturn("%s-%s-%s-%s-");

        $to_string = new MyToStringClass();

        $res = $lng_closure("id", [], new stdClass(), "foo", null);

        $this->assertEquals("array-" . stdClass::class . "-foo-null-", $res);
    }
}