WsdlDownloader fix: remote includes now work correctly with relative URLs & tests added

tests/BeSimple/SoapClient/Xml/RemoteFileResolverTest.php

@@ -0,0 +1,42 @@
+<?php
+
+namespace BeSimple\SoapClient\Xml;
+
+use PHPUnit_Framework_TestCase;
+
+class RemoteFileResolverTest extends PHPUnit_Framework_TestCase
+{
+    const FILE_IS_REMOTE = true;
+    const FILE_IS_NOT_REMOTE = false;
+
+    /** @var RemoteFileResolver */
+    private $remoteFileResolver;
+
+    public function setUp()
+    {
+        $this->remoteFileResolver = new RemoteFileResolver();
+    }
+
+    /**
+     * @param string $wsdlPath
+     * @param bool $assertIsRemoteFile
+     * @dataProvider provideWsdlPaths
+     */
+    public function testIsRemoteFile($wsdlPath, $assertIsRemoteFile)
+    {
+        $isRemoteFile = $this->remoteFileResolver->isRemoteFile($wsdlPath);
+
+        self::assertEquals($assertIsRemoteFile, $isRemoteFile);
+    }
+
+    public function provideWsdlPaths()
+    {
+        return [
+            ['http://endpoint.tld/path/to/wsdl.wsdl', self::FILE_IS_REMOTE],
+            ['http://endpoint.tld:1944/path/to/wsdl.wsdl', self::FILE_IS_REMOTE],
+            ['path/to/wsdl.wsdl', self::FILE_IS_NOT_REMOTE],
+            ['../../path/to/wsdl.wsdl', self::FILE_IS_NOT_REMOTE],
+            ['/path/to/wsdl.wsdl', self::FILE_IS_NOT_REMOTE],
+        ];
+    }
+}