test: USB: Add new test to test systems with two USB ports

Break out this from the general USB test. Test if you can
modify the ports independent of eachother.

test/case/ietf_hardware/ietf_hardware.yaml

@@ -1,3 +1,6 @@
 ---
 - name: usb
   case: usb/test.py
+
+- name: usb two ports
+  case: usb_two_ports/test.py

test/case/ietf_hardware/usb/test.py

@@ -38,27 +38,6 @@ with infamy.Test() as test:
         for port in available:
             until(lambda: usb.get_usb_state(target, port) == "unlocked")
 
-    if len(available) > 1:
-        with test.step("Lock one port"):
-            components = []
-            component = {
-                "name": available[1],
-                "class": "infix-hardware:usb",
-                "state": {
-                    "admin-state": "locked"
-                }
-            }
-            components.append(component)
-
-        target.put_config_dict("ietf-hardware", {
-            "hardware": {
-                "component": components
-            }
-        })
-        with test.step("Verify one port is locked and one unlocked"):
-            until(lambda: usb.get_usb_state(target, available[1]) == "locked")
-            until(lambda: usb.get_usb_state(target, available[0]) == "unlocked")
-
     with test.step("Lock USB ports"):
         components = []
         for port in available:

test/case/ietf_hardware/usb_two_ports/test.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+"""
+@name USB configuration with USB ports
+@description Test that the configuration is consistent
+when having two USB ports.
+"""
+import infamy
+import copy
+import infamy.usb as usb
+import time
+import infamy.netconf as netconf
+from infamy.util import until,wait_boot
+
+with infamy.Test() as test:
+    with test.step("Initialize"):
+        env = infamy.Env()
+        target = env.attach("target", "mgmt")
+        available=usb.get_usb_ports(target)
+
+        if len(available) < 2:
+            test.skip()
+
+    with test.step("Lock the first  USB port, and unlock the second USB port"):
+        components = []
+        component = {
+            "name": available[0],
+            "class": "infix-hardware:usb",
+            "state": {
+                "admin-state": "locked"
+            }
+        }
+        components.append(component)
+        component = {
+            "name": available[1],
+            "class": "infix-hardware:usb",
+            "state": {
+                "admin-state": "unlocked"
+            }
+        }
+        components.append(component)
+
+        target.put_config_dict("ietf-hardware", {
+            "hardware": {
+                "component": components
+            }
+        })
+    with test.step("Verify that the correct port is locked and the correct one is unlocked"):
+        until(lambda: usb.get_usb_state(target, available[0]) == "locked")
+        until(lambda: usb.get_usb_state(target, available[1]) == "unlocked")
+
+    with test.step("Unlock the first USB port, and lock the second USB port"):
+        components = []
+        component = {
+            "name": available[0],
+            "class": "infix-hardware:usb",
+            "state": {
+                "admin-state": "unlocked"
+            }
+        }
+        components.append(component)
+        component = {
+            "name": available[1],
+            "class": "infix-hardware:usb",
+            "state": {
+                "admin-state": "locked"
+            }
+        }
+        components.append(component)
+
+        target.put_config_dict("ietf-hardware", {
+            "hardware": {
+                "component": components
+            }
+        })
+    with test.step("Verify that the correct port is locked and the correct one is unlocked"):
+        until(lambda: usb.get_usb_state(target, available[0]) == "unlocked")
+        until(lambda: usb.get_usb_state(target, available[1]) == "locked")
+    test.succeed()

test/case/ietf_hardware/usb_two_ports/topology.dot

@@ -0,0 +1,23 @@
+graph "1x1" {
+	layout="neato";
+	overlap="false";
+	esep="+20";
+
+        node [shape=record, fontname="monospace"];
+	edge [color="cornflowerblue", penwidth="2"];
+
+	host [
+	    label="host | { <tgt> tgt }",
+	    pos="0,12!",
+	    kind="controller",
+	];
+
+        target [
+	    label="{ <mgmt> mgmt } | target",
+	    pos="10,12!",
+
+	    kind="infix",
+	];
+
+	host:tgt -- target:mgmt [kind=mgmt]
+}