add test for trying to fopen a file which no longer exists on disk

Signed-off-by: Robin Appelman <robin@icewind.nl>

apps/dav/tests/unit/Connector/Sabre/FileTest.php

@@ -1151,7 +1151,7 @@ class FileTest extends TestCase {
 
 		$info = new \OC\Files\FileInfo('/test.txt', $this->getMockStorage(), null, [
 			'permissions' => \OCP\Constants::PERMISSION_ALL,
-			'type' => FileInfo::TYPE_FOLDER,
+			'type' => FileInfo::TYPE_FILE,
 		], null);
 
 		$file = new \OCA\DAV\Connector\Sabre\File($view, $info);
@@ -1172,7 +1172,7 @@ class FileTest extends TestCase {
 
 		$info = new \OC\Files\FileInfo('/test.txt', $this->getMockStorage(), null, [
 			'permissions' => \OCP\Constants::PERMISSION_ALL,
-			'type' => FileInfo::TYPE_FOLDER,
+			'type' => FileInfo::TYPE_FILE,
 		], null);
 
 		$file = new \OCA\DAV\Connector\Sabre\File($view, $info);

tests/lib/Files/ViewTest.php

@@ -2709,4 +2709,23 @@ class ViewTest extends \Test\TestCase {
 		$this->assertEquals(25, $info->getUploadTime());
 		$this->assertEquals(0, $info->getCreationTime());
 	}
+
+	public function testFopenGone() {
+		$storage = new Temporary([]);
+		$scanner = $storage->getScanner();
+		$storage->file_put_contents('foo.txt', 'bar');
+		$scanner->scan('');
+		$cache = $storage->getCache();
+
+		Filesystem::mount($storage, [], '/test/');
+		$view = new View('/test');
+
+		$storage->unlink('foo.txt');
+
+		$this->assertTrue($cache->inCache('foo.txt'));
+
+		$this->assertFalse($view->fopen('foo.txt', 'r'));
+
+		$this->assertFalse($cache->inCache('foo.txt'));
+	}
 }