65 lines
1.5 KiB
Nix
65 lines
1.5 KiB
Nix
let
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port = 4222;
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username = "client";
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password = "password";
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topic = "foo.bar";
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in import ./make-test-python.nix ({ pkgs, lib, ... }: {
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name = "nats";
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meta = with pkgs.lib; { maintainers = with maintainers; [ c0deaddict ]; };
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nodes = let
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client = { pkgs, ... }: {
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environment.systemPackages = with pkgs; [ natscli ];
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};
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in {
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server = { pkgs, ... }: {
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networking.firewall.allowedTCPPorts = [ port ];
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services.nats = {
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inherit port;
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enable = true;
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settings = {
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authorization = {
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users = [{
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user = username;
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inherit password;
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}];
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};
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};
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};
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};
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client1 = client;
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client2 = client;
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};
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testScript = let file = "/tmp/msg";
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in ''
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def nats_cmd(*args):
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return (
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"nats "
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"--server=nats://server:${toString port} "
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"--user=${username} "
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"--password=${password} "
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"{}"
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).format(" ".join(args))
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start_all()
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server.wait_for_unit("nats.service")
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client1.fail("test -f ${file}")
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# Subscribe on topic on client1 and echo messages to file.
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client1.execute("({} | tee ${file} &)".format(nats_cmd("sub", "--raw", "${topic}")))
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# Give client1 some time to subscribe.
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client1.execute("sleep 2")
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# Publish message on client2.
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client2.execute(nats_cmd("pub", "${topic}", "hello"))
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# Check if message has been received.
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client1.succeed("grep -q hello ${file}")
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'';
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})
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