1 files changed, 67 insertions, 0 deletions
diff --git a/nixpkgs/nixos/tests/avahi.nix b/nixpkgs/nixos/tests/avahi.nix
new file mode 100644
index 00000000000..ae4f54d5266
--- /dev/null
+++ b/nixpkgs/nixos/tests/avahi.nix
@@ -0,0 +1,67 @@
+# Test whether `avahi-daemon' and `libnss-mdns' work as expected.
+import ./make-test.nix ({ pkgs, ... } : {
+  name = "avahi";
+  meta = with pkgs.stdenv.lib.maintainers; {
+    maintainers = [ eelco ];
+  };
+
+  nodes = let
+    cfg = { ... }: {
+      services.avahi = {
+        enable = true;
+        nssmdns = true;
+        publish.addresses = true;
+        publish.domain = true;
+        publish.enable = true;
+        publish.userServices = true;
+        publish.workstation = true;
+        extraServiceFiles.ssh = "${pkgs.avahi}/etc/avahi/services/ssh.service";
+      };
+    };
+  in {
+    one = cfg;
+    two = cfg;
+  };
+
+  testScript =
+    '' startAll;
+
+       # mDNS.
+       $one->waitForUnit("network.target");
+       $two->waitForUnit("network.target");
+
+       $one->succeed("avahi-resolve-host-name one.local | tee out >&2");
+       $one->succeed("test \"`cut -f1 < out`\" = one.local");
+       $one->succeed("avahi-resolve-host-name two.local | tee out >&2");
+       $one->succeed("test \"`cut -f1 < out`\" = two.local");
+
+       $two->succeed("avahi-resolve-host-name one.local | tee out >&2");
+       $two->succeed("test \"`cut -f1 < out`\" = one.local");
+       $two->succeed("avahi-resolve-host-name two.local | tee out >&2");
+       $two->succeed("test \"`cut -f1 < out`\" = two.local");
+
+       # Basic DNS-SD.
+       $one->succeed("avahi-browse -r -t _workstation._tcp | tee out >&2");
+       $one->succeed("test `wc -l < out` -gt 0");
+       $two->succeed("avahi-browse -r -t _workstation._tcp | tee out >&2");
+       $two->succeed("test `wc -l < out` -gt 0");
+
+       # More DNS-SD.
+       $one->execute("avahi-publish -s \"This is a test\" _test._tcp 123 one=1 &");
+       $one->sleep(5);
+       $two->succeed("avahi-browse -r -t _test._tcp | tee out >&2");
+       $two->succeed("test `wc -l < out` -gt 0");
+
+       # NSS-mDNS.
+       $one->succeed("getent hosts one.local >&2");
+       $one->succeed("getent hosts two.local >&2");
+       $two->succeed("getent hosts one.local >&2");
+       $two->succeed("getent hosts two.local >&2");
+
+       # extra service definitions
+       $one->succeed("avahi-browse -r -t _ssh._tcp | tee out >&2");
+       $one->succeed("test `wc -l < out` -gt 0");
+       $two->succeed("avahi-browse -r -t _ssh._tcp | tee out >&2");
+       $two->succeed("test `wc -l < out` -gt 0");
+    '';
+})