Add Simple test using the Python Zeroconf library.

.github/workflows/zeroconf_test.yaml

@@ -0,0 +1,24 @@
+name: Integration Test (Python zeroconf)
+
+on: [push]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v1
+
+    - name: Compile example
+      run: cargo build --example register
+
+    - name: Install dependencies
+      run: |
+        sudo apt-get -y install python3-setuptools python3-wheel
+        pip3 install --user zeroconf
+
+    - name: Test zeroconf
+      run: |
+        timeout 5 cargo run --example register &
+        python3 examples/zeroconf_test.py

.gitignore

@@ -1,2 +1,4 @@
 target
 Cargo.lock
+__pycache__
+*.pyc

examples/register.rs

@@ -7,7 +7,7 @@ pub fn main() {
     let responder = libmdns::Responder::new().unwrap();
     let _svc = responder.register(
         "_http._tcp".to_owned(),
-        "Web Server".to_owned(),
+        "libmdns Web Server".to_owned(),
         80,
         &["path=/"],
     );

examples/zeroconf_test.py

@@ -0,0 +1,31 @@
+from zeroconf import ServiceBrowser, Zeroconf
+from time import sleep
+
+
+TYPE = "_http._tcp.local."
+NAME = "libmdns Web Server"
+
+
+class MyListener:
+    def __init__(self):
+        self.found = []
+
+    def has_found(self, name):
+        return name in self.found
+
+    def add_service(self, zeroconf, type, name):
+        self.found.append(name.replace("." + TYPE, ""))
+
+
+zeroconf = Zeroconf()
+listener = MyListener()
+browser = ServiceBrowser(zeroconf, TYPE, listener)
+try:
+    t = 0
+    while t < 5 and not listener.has_found(NAME):
+        sleep(1)
+        t += 1
+    assert listener.has_found(NAME)
+    print('Success')
+finally:
+    zeroconf.close()