added tests for cypher container

Author: transistive

tests/Unit/CypherTypeTest.php

@@ -0,0 +1,117 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the Laudis Neo4j package.
+ *
+ * (c) Laudis technologies <http://laudis.tech>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Laudis\Neo4j\Tests\Unit;
+
+use ArrayIterator;
+use BadMethodCallException;
+use InvalidArgumentException;
+use function json_encode;
+use JsonException;
+use Laudis\Neo4j\Types\AbstractCypherContainer;
+use PHPUnit\Framework\TestCase;
+
+final class CypherTypeTest extends TestCase
+{
+    /**
+     * @throws JsonException
+     *
+     * @psalm-suppress all
+     */
+    public function testEmpty(): void
+    {
+        $empty = new class() extends AbstractCypherContainer {
+            public function getIterator()
+            {
+                return new ArrayIterator([]);
+            }
+        };
+
+        self::assertEquals('[]', json_encode($empty, JSON_THROW_ON_ERROR));
+        self::assertFalse(isset($empty[0]));
+        self::assertNull($empty[0] ?? null);
+
+        $caught = null;
+        try {
+            $empty[0] = 'abc';
+        } catch (BadMethodCallException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Empty is writable');
+
+        $caught = null;
+        try {
+            unset($empty[0]);
+        } catch (BadMethodCallException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Empty is writable');
+
+        $caught = null;
+        try {
+            $empty[0];
+        } catch (InvalidArgumentException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Empty has still valid access');
+    }
+
+    /**
+     * @throws JsonException
+     *
+     * @psalm-suppress all
+     */
+    public function testFilled(): void
+    {
+        $filled = new class() extends AbstractCypherContainer {
+            public function getIterator()
+            {
+                yield 'a' => 'b';
+                yield 'c' => 'd';
+            }
+        };
+
+        self::assertEquals('{"a":"b","c":"d"}', json_encode($filled, JSON_THROW_ON_ERROR));
+
+        self::assertFalse(isset($filled[0]));
+        self::assertNull($filled[0] ?? null);
+
+        self::assertTrue(isset($filled['a']));
+        self::assertTrue(isset($filled['c']));
+        self::assertEquals('b', $filled['a']);
+        self::assertEquals('d', $filled['c']);
+
+        $caught = null;
+        try {
+            $filled[0] = 'abc';
+        } catch (BadMethodCallException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Filled is writable');
+        $caught = null;
+        try {
+            unset($filled[0]);
+        } catch (BadMethodCallException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Filled is writable');
+
+        $caught = null;
+        try {
+            $filled[0];
+        } catch (InvalidArgumentException $e) {
+            $caught = true;
+        }
+        self::assertTrue($caught, 'Filled has still valid access');
+    }
+}