Add end-to-end test for README example

Author: marijnvanwezel

tests/end-to-end/ExamplesTest.php

@@ -0,0 +1,36 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of php-cypher-dsl.
+ *
+ * Copyright (C) Wikibase Solutions
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace WikibaseSolutions\CypherDSL\Tests\EndToEnd;
+
+use PHPUnit\Framework\TestCase;
+use WikibaseSolutions\CypherDSL\Query;
+
+/**
+ * This class contains some end-to-end tests to test the examples in the wiki.
+ *
+ * @coversNothing
+ *
+ * @see https://github.com/neo4j-php/php-cypher-dsl/wiki
+ */
+final class ExamplesTest extends TestCase
+{
+    public function testReadmeExample(): void
+    {
+        $tom = Query::node("Person")->withProperties(["name" => "Tom Hanks"]);
+        $coActors = Query::node();
+
+        $statement = Query::new()
+            ->match($tom->relationshipTo(Query::node(), "ACTED_IN")->relationshipFrom($coActors, "ACTED_IN"))
+            ->returning($coActors->property("name"))
+            ->build();
+
+        $this->assertStringMatchesFormat("MATCH (:Person {name: 'Tom Hanks'})-[:ACTED_IN]->()<-[:ACTED_IN]-(%s) RETURN %s.name", $statement);
+    }
+}