initial commit

vendor/sebastian/comparator/src/ObjectComparator.php

@@ -0,0 +1,93 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/comparator.
+ *
+ * (c) Sebastian Bergmann <sebastian@phpunit.de>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Comparator;
+
+use function assert;
+use function in_array;
+use function is_object;
+use function sprintf;
+use function substr_replace;
+use SebastianBergmann\Exporter\Exporter;
+
+class ObjectComparator extends ArrayComparator
+{
+    public function accepts(mixed $expected, mixed $actual): bool
+    {
+        return is_object($expected) && is_object($actual);
+    }
+
+    /**
+     * @param array<mixed> $processed
+     *
+     * @throws ComparisonFailure
+     */
+    public function assertEquals(mixed $expected, mixed $actual, float $delta = 0.0, bool $canonicalize = false, bool $ignoreCase = false, array &$processed = []): void
+    {
+        assert(is_object($expected));
+        assert(is_object($actual));
+
+        if ($actual::class !== $expected::class) {
+            $exporter = new Exporter;
+
+            throw new ComparisonFailure(
+                $expected,
+                $actual,
+                $exporter->export($expected),
+                $exporter->export($actual),
+                sprintf(
+                    '%s is not instance of expected class "%s".',
+                    $exporter->export($actual),
+                    $expected::class,
+                ),
+            );
+        }
+
+        // don't compare twice to allow for cyclic dependencies
+        if (in_array([$actual, $expected], $processed, true) ||
+            in_array([$expected, $actual], $processed, true)) {
+            return;
+        }
+
+        $processed[] = [$actual, $expected];
+
+        // don't compare objects if they are identical
+        // this helps to avoid the error "maximum function nesting level reached"
+        // CAUTION: this conditional clause is not tested
+        if ($actual !== $expected) {
+            try {
+                parent::assertEquals(
+                    $this->toArray($expected),
+                    $this->toArray($actual),
+                    $delta,
+                    $canonicalize,
+                    $ignoreCase,
+                    $processed,
+                );
+            } catch (ComparisonFailure $e) {
+                throw new ComparisonFailure(
+                    $expected,
+                    $actual,
+                    // replace "Array" with "MyClass object"
+                    substr_replace($e->getExpectedAsString(), $expected::class . ' Object', 0, 5),
+                    substr_replace($e->getActualAsString(), $actual::class . ' Object', 0, 5),
+                    'Failed asserting that two objects are equal.',
+                );
+            }
+        }
+    }
+
+    /**
+     * @return array<mixed>
+     */
+    protected function toArray(object $object): array
+    {
+        return (new Exporter)->toArray($object);
+    }
+}