* add phpunit as a dev dependency

 * add some basic tests for UrlHelper::rewrite_relative()
 * fix UrlHelper::rewrite_relative() to work better on non-absolute
   relative URL paths

3 files changed, 169 insertions, 0 deletions

diff --git a/vendor/sebastian/complexity/src/Complexity/Complexity.php b/vendor/sebastian/complexity/src/Complexity/Complexity.php
new file mode 100644
index 000000000..dc6708dde
--- /dev/null
+++ b/vendor/sebastian/complexity/src/Complexity/Complexity.php
@@ -0,0 +1,42 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/complexity.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Complexity;
+
+/**
+ * @psalm-immutable
+ */
+final class Complexity
+{
+    /**
+     * @var string
+     */
+    private $name;
+
+    /**
+     * @var int
+     */
+    private $cyclomaticComplexity;
+
+    public function __construct(string $name, int $cyclomaticComplexity)
+    {
+        $this->name                 = $name;
+        $this->cyclomaticComplexity = $cyclomaticComplexity;
+    }
+
+    public function name(): string
+    {
+        return $this->name;
+    }
+
+    public function cyclomaticComplexity(): int
+    {
+        return $this->cyclomaticComplexity;
+    }
+}
diff --git a/vendor/sebastian/complexity/src/Complexity/ComplexityCollection.php b/vendor/sebastian/complexity/src/Complexity/ComplexityCollection.php
new file mode 100644
index 000000000..ccbddbf77
--- /dev/null
+++ b/vendor/sebastian/complexity/src/Complexity/ComplexityCollection.php
@@ -0,0 +1,72 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/complexity.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Complexity;
+
+use function count;
+use Countable;
+use IteratorAggregate;
+
+/**
+ * @psalm-immutable
+ */
+final class ComplexityCollection implements Countable, IteratorAggregate
+{
+    /**
+     * @psalm-var list<Complexity>
+     */
+    private $items = [];
+
+    public static function fromList(Complexity ...$items): self
+    {
+        return new self($items);
+    }
+
+    /**
+     * @psalm-param list<Complexity> $items
+     */
+    private function __construct(array $items)
+    {
+        $this->items = $items;
+    }
+
+    /**
+     * @psalm-return list<Complexity>
+     */
+    public function asArray(): array
+    {
+        return $this->items;
+    }
+
+    public function getIterator(): ComplexityCollectionIterator
+    {
+        return new ComplexityCollectionIterator($this);
+    }
+
+    public function count(): int
+    {
+        return count($this->items);
+    }
+
+    public function isEmpty(): bool
+    {
+        return empty($this->items);
+    }
+
+    public function cyclomaticComplexity(): int
+    {
+        $cyclomaticComplexity = 0;
+
+        foreach ($this as $item) {
+            $cyclomaticComplexity += $item->cyclomaticComplexity();
+        }
+
+        return $cyclomaticComplexity;
+    }
+}
diff --git a/vendor/sebastian/complexity/src/Complexity/ComplexityCollectionIterator.php b/vendor/sebastian/complexity/src/Complexity/ComplexityCollectionIterator.php
new file mode 100644
index 000000000..ec39e199f
--- /dev/null
+++ b/vendor/sebastian/complexity/src/Complexity/ComplexityCollectionIterator.php
@@ -0,0 +1,55 @@
+<?php declare(strict_types=1);
+/*
+ * This file is part of sebastian/complexity.
+ *
+ * (c) Sebastian Bergmann <[email protected]>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+namespace SebastianBergmann\Complexity;
+
+use Iterator;
+
+final class ComplexityCollectionIterator implements Iterator
+{
+    /**
+     * @psalm-var list<Complexity>
+     */
+    private $items;
+
+    /**
+     * @var int
+     */
+    private $position = 0;
+
+    public function __construct(ComplexityCollection $items)
+    {
+        $this->items = $items->asArray();
+    }
+
+    public function rewind(): void
+    {
+        $this->position = 0;
+    }
+
+    public function valid(): bool
+    {
+        return isset($this->items[$this->position]);
+    }
+
+    public function key(): int
+    {
+        return $this->position;
+    }
+
+    public function current(): Complexity
+    {
+        return $this->items[$this->position];
+    }
+
+    public function next(): void
+    {
+        $this->position++;
+    }
+}