public function testUpdateMetadata() { $client = $this->getMockBuilder('\\GuzzleHttp\\Client')->getMock(); $accessToken = '123456789'; $content = ['name' => 'changed name.txt']; $assertRequest = function ($request) use($accessToken, $content) { return $request instanceof Request && $request->getMethod() == 'PATCH' && $request->getUri()->getHost() == 'api.onedrive.com' && $request->getUri()->getPath() == '/v1.0/drive/root:/old%20filename.txt' && $request->getHeader('authorization') == ['bearer ' . $accessToken] && $request->getHeader('content-type') == ['application/json'] && (string) $request->getBody() == json_encode($content); }; $response = new Response(200, [], 'test response'); $client->expects($this->once())->method('send')->with($this->callback($assertRequest))->willReturn($response); $oneDriveClient = new OneDriveClient($accessToken, $client); $result = $oneDriveClient->updateMetadata('old filename.txt', $content); $this->assertEquals($response, $result); }