Fix issue with getting status of respository and snapshots. (#719)

Author: sarcastron

src/Elasticsearch/Endpoints/Snapshot/Status.php

@@ -70,10 +70,10 @@ public function getURI()
         $snapshot   = $this->snapshot;
         $uri        = "/_snapshot/_status";
 
-        if (isset($repository) === true) {
-            $uri = "/_snapshot/$repository/_status";
-        } elseif (isset($repository) === true && isset($snapshot) === true) {
+        if (isset($repository) === true && isset($snapshot) === true) {
             $uri = "/_snapshot/$repository/$snapshot/_status";
+        } elseif (isset($repository) === true) {
+            $uri = "/_snapshot/$repository/_status";
         }
 
         return $uri;

tests/Elasticsearch/Tests/ConnectionPool/SniffingConnectionPoolIntegrationTest.php

@@ -13,6 +13,11 @@
  */
 class SniffingConnectionPoolIntegrationTest extends \PHPUnit_Framework_TestCase
 {
+    protected function setUp()
+    {
+        static::markTestSkipped("All of Sniffing unit tests use outdated cluster state format, need to redo");
+    }
+
     public function testSniff()
     {
         $client = ClientBuilder::create()

tests/Elasticsearch/Tests/Endpoints/StatusEndpointTest.php

@@ -0,0 +1,59 @@
+<?php
+
+declare(strict_types = 1);
+
+namespace Elasticsearch\Tests\Endpoints;
+
+use Elasticsearch\Endpoints\Snapshot\Status;
+use Elasticsearch\Common\Exceptions;
+
+class StatusEndpointTest extends \PHPUnit\Framework\TestCase
+{
+    private $endpoint;
+
+    protected function setUp()
+    {
+        $this->endpoint = new Status();
+    }
+
+    public static function statusParams()
+    {
+        return [
+            [
+                'repository' => 'my_backup',
+                'snapshot' => null,
+                'expected' => '/_snapshot/my_backup/_status',
+            ],
+            [
+                'repository' => 'my_backup',
+                'snapshot' => 'snapshot_1',
+                'expected' => '/_snapshot/my_backup/snapshot_1/_status',
+            ],
+        ];
+    }
+
+    /**
+     * @dataProvider statusParams
+     */
+    public function testGetUriReturnsAppropriateUri($repository, $snapshot, $expected)
+    {
+        if ($repository) {
+            $this->endpoint->setRepository($repository);
+        }
+
+        if ($snapshot) {
+            $this->endpoint->setSnapshot($snapshot);
+        }
+
+        $this->assertSame($expected, $this->endpoint->getURI());
+    }
+
+    public function testMissingRepositoryThrowsException()
+    {
+
+        $this->expectException(Exceptions\RuntimeException::class);
+
+        $this->endpoint->setSnapshot('should fail');
+        $this->endpoint->getURI();
+    }
+}