Tests: add test for Lauterbach Resources and Driver

Author: Alexander Merkle

pyproject.toml

@@ -95,6 +95,9 @@ dev = [
     # labgrid[kasa]
     "python-kasa>=0.4.0",
 
+    # labgrid[lauterbach]
+    "lauterbach-trace32-pystart>=0.1.7",
+
     # labgrid[modbus]
     "pyModbusTCP>=0.1.10",
 

tests/test_lauterbach.py

@@ -0,0 +1,72 @@
+import os
+import pytest
+
+from collections import namedtuple
+
+from labgrid.driver.lauterbachdriver import LauterbachDriver
+from labgrid.resource.udev import USBLauterbachDebugger
+from labgrid.resource.lauterbach import NetworkLauterbachDebugger, RemoteUSBLauterbachDebugger
+from labgrid.util.helper import get_uname_machine
+
+pytest.importorskip("lauterbach.trace32.pystart")
+
+PseudoUSBDevice = namedtuple("Device", ["sys_name", "sys_path", "subsystem", "device_type", "properties"])
+PSEUDOUSB = PseudoUSBDevice("1-12", "/dev/null", "usb", "usb_device", {"BUSNUM" : "1", "DEVNUM" : "12"})
+
+# for most of the tests it's enough to specify a valid directory
+os.environ["T32SYS"] = os.environ.get("T32SYS", "/tmp")
+
+def check_t32tcpusb_present():
+    if get_uname_machine()!="amd64":
+        return False
+    tcpusb = os.path.join(os.environ["T32SYS"], "bin/pc_linux64/t32tcpusb")
+    if not os.path.isfile(tcpusb):
+        return False
+    return True
+
+def test_lauterbach_usb_resource(target):
+    r = USBLauterbachDebugger(target, name=None, match={"sys_name": "1-12"})
+
+def test_lauterbach_network_resource(target):
+    r = NetworkLauterbachDebugger(target, name=None, node="test")
+
+def test_lauterbach_usb_driver_activate(target):   
+    r = USBLauterbachDebugger(target, name=None, match={"sys_name": "1-12"}, device=PSEUDOUSB)
+    r.avail = True
+    d = LauterbachDriver(target, name=None)
+    target.activate(d)
+
+    assert(d.connection)
+
+    target.deactivate(d)
+
+def test_lauterbach_network_driver_activate(target):
+    r = NetworkLauterbachDebugger(target, name=None, node="test")
+    r.avail = True
+    d = LauterbachDriver(target, name=None)
+    target.activate(d)
+
+    assert(d.connection)
+
+    target.deactivate(d)
+
+@pytest.mark.skipif(not check_t32tcpusb_present(),
+                    reason="t32tcpusb not installed on machine")
+@pytest.mark.skipif(True, reason="don't know how to test NetworkUSB.. resources")
+def test_lauterbach_networkusb_driver_activate(target):   
+    r = RemoteUSBLauterbachDebugger(
+            target,
+            name=None,
+            host="localhost",
+            busnum=0,
+            devnum=1,
+            path='0:1',
+            vendor_id=0x0,
+            model_id=0x0
+    )
+    r.avail = True
+    d = LauterbachDriver(target, name=None)
+    target.activate(d)
+
+    assert(d.connection)
+    assert(d.t32tcpusb)