merged branch bamarni/issue-6830 (PR #7408)

This PR was merged into the 2.1 branch.

Commits
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54609b9 [HttpCache] added a test (cached content should be kept after purging)

Discussion
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[HttpCache] added a test (cached content should be kept after purging)

closes #6830

src/Symfony/Component/HttpKernel/Tests/HttpCache/StoreTest.php

@@ -66,11 +66,17 @@ public function testRemovesEntriesForKeyWithPurge()
     {
         $request = Request::create('/foo');
         $this->store->write($request, new Response('foo'));
-        $this->assertNotEmpty($this->getStoreMetadata($request));
+
+        $metadata = $this->getStoreMetadata($request);
+        $this->assertNotEmpty($metadata);
 
         $this->assertTrue($this->store->purge('/foo'));
         $this->assertEmpty($this->getStoreMetadata($request));
 
+        // cached content should be kept after purging
+        $path = $this->store->getPath($metadata[0][1]['x-content-digest'][0]);
+        $this->assertTrue(is_file($path));
+
         $this->assertFalse($this->store->purge('/bar'));
     }