jm + papers + testing   6

An empirical study on the correctness of formally verified distributed systems
We must recognise that even formal verification can leave gaps and hidden assumptions that need to be teased out and tested, using the full battery of testing techniques at our disposal. Building distributed systems is hard. But knowing that shouldn’t make us shy away from trying to do the right thing, instead it should make us redouble our efforts in our quest for correctness.
formal-verification  software  coding  testing  tla+  chapar  fuzzing  verdi  bugs  papers 
may 2017 by jm
'What’s your ML Test Score? A rubric for ML production systems'
'Using machine learning in real-world production systems is complicated by a host of issues not found in small toy examples or even large offline research experiments. Testing and monitoring are key considerations for assessing the production-readiness of an ML system. But how much testing and monitoring is enough? We present an ML Test Score rubric based on a set of actionable tests to help quantify these issues.'

Google paper on testable machine learning systems.
machine-learning  testing  ml  papers  google 
april 2017 by jm
Why do Selenium-style record/replay tests of web applications break?
good data! Mostly because of element locations it seems....
selenium  testing  web  locators  papers  qa  tests 
may 2016 by jm
Combining static model checking with dynamic enforcement using the Statecall Policy Language
This looks quite nice -- a model-checker "for regular programmers". Example model for ping(1):

<pre>01 automaton ping (int max_count, int count, bool can_timeout) {
02 Initialize;
03 during {
04 count = 0;
05 do {
06 Transmit_Ping;
07 either {
08 Receive_Ping;
09 } or (can_timeout) {
10 Timeout_Ping;
11 };
12 count = count + 1;
13 } until (count &gt;= max_count);
14 } handle {
15 SIGINFO;
16 Print_Summary;
17 };</pre>
ping  model-checking  models  formal-methods  verification  static  dynamic  coding  debugging  testing  distcomp  papers 
march 2015 by jm
packetdrill - network stack testing tool
[Google's] packetdrill scripting tool enables quick, precise tests for entire TCP/UDP/IPv4/IPv6 network stacks, from the system call layer down to the NIC hardware. packetdrill currently works on Linux, FreeBSD, OpenBSD, and NetBSD. It can test network stack behavior over physical NICs on a LAN, or on a single machine using a tun virtual network device.
testing  networking  tun  google  linux  papers  tcp  ip  udp  freebsd  openbsd  netbsd 
july 2013 by jm

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