getMethod("serialize"); $method->setAccessible(true); $message = $method->invokeArgs($object, [$input]); $this->assertEquals($response, $message); } public function getMessages() { return [ [ [ "time" => "2009-11-10T23:00:00Z", "points" => [ [ "measurement" => "cpu", "fields" => [ "value" => 1, ], ], ], ], "cpu value=1 1257894000000000000" ], [ [ "tags" => [ "region" => "us-west", "host" => "serverA", "env" => "prod", "target" => "servers", "zone" => "1c", ], "time" => "2009-11-10T23:00:00Z", "points" => [ [ "measurement" => "cpu", "fields" => [ "cpu" => 18.12, "free" => 712432, ], ], ], ], "cpu,region=us-west,host=serverA,env=prod,target=servers,zone=1c cpu=18.12,free=712432 1257894000000000000" ], [ [ "tags" => [ "region" => "us-west", "host" => "serverA", "env" => "prod", "target" => "servers", "zone" => "1c", ], "time" => "2009-11-10T23:00:00Z", "points" => [ [ "measurement" => "cpu", "fields" => [ "cpu" => 18.12, ], ], [ "measurement" => "mem", "fields" => [ "free" => 712432, ], ], ], ], <<