Merge pull request #19 from localheinz/feature/varnish-cache

Enhancement: Add interface for Varnish cache request methods

src/Method/Vendor/VarnishCache.php

@@ -0,0 +1,36 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ *
+ * @see https://github.com/localheinz/http-method
+ */
+
+namespace Localheinz\Http\Method\Vendor;
+
+/**
+ * @see https://varnish-cache.org/docs/index.html
+ */
+interface VarnishCache
+{
+    /**
+     * Safe: ?
+     * Idempotent: ?
+     *
+     * @see https://varnish-cache.org/docs/3.0/tutorial/purging.html#bans
+     */
+    public const BAN = 'BAN';
+
+    /**
+     * Safe: no
+     * Idempotent: ?
+     *
+     * @see https://varnish-cache.org/docs/3.0/tutorial/purging.html#http-purges
+     */
+    public const PURGE = 'PURGE';
+}

test/Unit/Method/Vendor/VarnishCacheTest.php

@@ -0,0 +1,31 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * Copyright (c) 2019 Andreas Möller
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ *
+ * @see https://github.com/localheinz/http-method
+ */
+
+namespace Localheinz\Http\Test\Unit\Method\Vendor;
+
+use Localheinz\Http\Method\Vendor\VarnishCache;
+use PHPUnit\Framework;
+
+/**
+ * @internal
+ *
+ * @covers \Localheinz\Http\Method\Vendor\VarnishCache
+ */
+final class VarnishCacheTest extends Framework\TestCase
+{
+    public function testConstants(): void
+    {
+        self::assertSame('BAN', VarnishCache::BAN);
+        self::assertSame('PURGE', VarnishCache::PURGE);
+    }
+}