Try running unit tests on darwin

.github/workflows/pytest.yaml

@@ -12,9 +12,10 @@ permissions:
   pull-requests: read
 jobs:
   pytest-matrix:
-    runs-on: ubuntu-latest
+    runs-on: ${{ matrix.runs-on }}
     strategy:
       matrix:
+        runs-on: [ubuntu-24.04, macos-15]
         python-version: ["3.11", "3.12", "3.13"]
     steps:
       - uses: actions/checkout@v4
@@ -29,7 +30,8 @@ jobs:
       - name: Install Python ${{ matrix.python-version }}
         run: uv python install ${{ matrix.python-version }}
 
-      - name: Install Qemu
+      - name: Install Qemu (Linux)
+        if: runner.os == 'Linux'
         run: |
           echo <<EOF | sudo tee /etc/udev/rules.d/99-kvm.rules
           KERNEL=="kvm", GROUP="kvm", MODE="0666"
@@ -46,6 +48,11 @@ jobs:
           sudo apt-get update
           sudo apt-get install -y qemu-system-arm qemu-system-x86
 
+      - name: Install Qemu (macOS)
+        if: runner.os == 'macOS'
+        run: |
+          brew install qemu
+
       - name: Cache Fedora Cloud images
         id: cache-fedora-cloud-images
         uses: actions/cache@v4

packages/jumpstarter-driver-qemu/jumpstarter_driver_qemu/driver.py

@@ -27,6 +27,10 @@
 from jumpstarter.driver import Driver, export
 
 
+def _vsock_available():
+    return platform.system() == "Linux"
+
+
 class QmpLogFilter(logging.Filter):
     def filter(self, record):
         return False
@@ -126,8 +130,11 @@ async def on(self) -> None:  # noqa: C901
         devices = [
             "virtio-net-pci,netdev=eth0",
             "virtio-gpu-pci",
-            "vhost-vsock-pci,guest-cid={}".format(self.parent._cid),
         ]
+
+        if _vsock_available():
+            devices.append("vhost-vsock-pci,guest-cid={}".format(self.parent._cid))
+
         for device in devices:
             cmdline += ["-device", device]
 
@@ -266,7 +273,9 @@ def __post_init__(self):
         self.children["flasher"] = QemuFlasher(parent=self)
         self.children["console"] = PySerial(url=self._pty, check_present=False)
         self.children["vnc"] = UnixNetwork(path=self._vnc)
-        self.children["ssh"] = VsockNetwork(cid=self._cid, port=22)
+
+        if _vsock_available():
+            self.children["ssh"] = VsockNetwork(cid=self._cid, port=22)
 
         for k, v in self.hostfwd.items():
             match v.protocol:

packages/jumpstarter-driver-tftp/jumpstarter_driver_tftp/server_test.py

@@ -42,7 +42,9 @@ async def tftp_server():
 
 async def create_test_client(server_port):
     loop = asyncio.get_running_loop()
-    transport, protocol = await loop.create_datagram_endpoint(asyncio.DatagramProtocol, remote_addr=("127.0.0.1", 0))
+    transport, protocol = await loop.create_datagram_endpoint(
+        asyncio.DatagramProtocol, remote_addr=("127.0.0.1", server_port)
+    )
     return transport, protocol
 
 
@@ -70,7 +72,7 @@ async def test_read_request_for_existing_file(tftp_server):
     await server.ready_event.wait()
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
 
         rrq_packet = (
             Opcode.RRQ.to_bytes(2, "big")
@@ -97,7 +99,7 @@ async def test_read_request_for_nonexistent_file(tftp_server):
     server_task = asyncio.create_task(server.start())
 
     try:
-        transport, protocol = await create_test_client(server.port)
+        transport, protocol = await create_test_client(server_port)
 
         rrq_packet = Opcode.RRQ.to_bytes(2, "big") + b"nonexistent.txt\x00" + b"octet\x00"
 
@@ -117,7 +119,7 @@ async def test_write_request_rejection(tftp_server):
     server_task = asyncio.create_task(server.start())
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
         wrq_packet = Opcode.WRQ.to_bytes(2, "big") + b"test.txt\x00" + b"octet\x00"
 
         transport.sendto(wrq_packet)
@@ -137,7 +139,7 @@ async def test_invalid_packet_handling(tftp_server):
     await server.ready_event.wait()
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
         transport.sendto(b"\x00\x01")
 
         assert server.transport is not None
@@ -157,7 +159,7 @@ async def test_path_traversal_prevention(tftp_server):
     await server.ready_event.wait()
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
 
         rrq_packet = Opcode.RRQ.to_bytes(2, "big") + b"../../../etc/passwd\x00" + b"octet\x00"
 
@@ -179,7 +181,7 @@ async def test_options_negotiation(tftp_server):
     await server.ready_event.wait()
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
 
         # RRQ with options
         rrq_packet = (
@@ -257,7 +259,7 @@ async def test_invalid_options_handling(tftp_server):
     await server.ready_event.wait()
 
     try:
-        transport, _ = await create_test_client(server.port)
+        transport, _ = await create_test_client(server_port)
 
         rrq_packet = (
             Opcode.RRQ.to_bytes(2, "big")