Chaos Engineering

Simulate network issues in JVM apps

Java Chaos Engineering

Discover all outgoing network connections from your server and disable them right from your browser

Sniffy will throw a when your application tries to connect to address disallowed by Sniffy. It’s also possible to specify a fixed delay for all sent and received TCP packets.

Simulating no connectivity in unit tests

    @Rule public SniffyRule sniffyRule = new SniffyRule();

    public void testDisableSockets() throws IOException {
        try {
            new Socket("", 22);
            fail("Sniffy should have thrown ConnectException");
        } catch (ConnectException e) {