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CrawlerSelectorAttributeValueSame example

use PHPUnit\Framework\ExpectationFailedException;
use PHPUnit\Framework\TestCase;
use PHPUnit\Framework\TestFailure;
use Symfony\Component\DomCrawler\Crawler;
use Symfony\Component\DomCrawler\Test\Constraint\CrawlerSelectorAttributeValueSame;

class CrawlerSelectorAttributeValueSameTest extends TestCase
{
    public function testConstraint()
    {
        $constraint = new CrawlerSelectorAttributeValueSame('input[name="username"]', 'value', 'Fabien');
        $this->assertTrue($constraint->evaluate(new Crawler('<html><body><form><input type="text" name="username" value="Fabien">'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><body><form><input type="text" name="username">'), '', true));
        $this->assertFalse($constraint->evaluate(new Crawler('<html><head><title>Bar'), '', true));

        try {
            $constraint->evaluate(new Crawler('<html><head><title>Bar'));
        } catch (ExpectationFailedException $e) {
            $this->assertEquals("Failed asserting that the Crawler has a node matching selector \"input[name=\"username\"]\" with attribute \"value\" of value \"Fabien\".\n", TestFailure::exceptionToString($e));

            return;
        }

    public static function assertPageTitleContains(string $expectedTitle, string $message = ''): void
    {
        self::assertSelectorTextContains('title', $expectedTitle, $message);
    }

    public static function assertInputValueSame(string $fieldName, string $expectedValue, string $message = ''): void
    {
        self::assertThat(self::getCrawler(), LogicalAnd::fromConstraints(
            new DomCrawlerConstraint\CrawlerSelectorExists("input[name=\"$fieldName\"]"),
            new DomCrawlerConstraint\CrawlerSelectorAttributeValueSame("input[name=\"$fieldName\"]", 'value', $expectedValue)
        ), $message);
    }

    public static function assertInputValueNotSame(string $fieldName, string $expectedValue, string $message = ''): void
    {
        self::assertThat(self::getCrawler(), LogicalAnd::fromConstraints(
            new DomCrawlerConstraint\CrawlerSelectorExists("input[name=\"$fieldName\"]"),
            new LogicalNot(new DomCrawlerConstraint\CrawlerSelectorAttributeValueSame("input[name=\"$fieldName\"]", 'value', $expectedValue))
        ), $message);
    }