Assert BondEthernet devices also exist as interfaces. Assert MTU of members is equal to that of the BondEthernet interface

unittest/yaml/correct-bridgedomain.yaml

@@ -25,9 +25,9 @@ interfaces:
         mtu: 2000
 
   GigabitEthernet3/0/0:
-    mtu: 9000
+    mtu: 3000
   GigabitEthernet3/0/1:
-    mtu: 9000
+    mtu: 3000
 
   GigabitEthernet4/0/0:
     mtu: 9000

unittest/yaml/correct-l2xc.yaml

@@ -31,6 +31,7 @@ interfaces:
     mtu: 3000
 
   BondEthernet0:
+    mtu: 3000
     description: "BE0 with two xconnected sub-ints"
     sub-interfaces:
       100:

unittest/yaml/error-bondethernet5.yaml

@@ -0,0 +1,22 @@
+test:
+  description: "Members of a BondEthernet must have the same MTU as their bond"
+  errors:
+    expected:
+     - "bondethernet .* member .* MTU 2500 does not match BondEthernet MTU 3000"
+     - "bondethernet .* member .* MTU 2000 does not match BondEthernet MTU 3000"
+    count: 2
+---
+bondethernets:
+  BondEthernet0:
+    interfaces: [ GigabitEthernet2/0/0, GigabitEthernet2/0/1 ]
+
+interfaces:
+  GigabitEthernet2/0/0:
+    mtu: 2500
+    description: "LAG with default MTU, needs to be 3000"
+  GigabitEthernet2/0/1:
+    mtu: 2000
+    description: "LAG with default MTU, needs to be 3000"
+
+  BondEthernet0:
+    mtu: 3000

unittest/yaml/error-bondethernet6.yaml

@@ -0,0 +1,20 @@
+test:
+  description: "A BondEthernet entry must also be an interface"
+  errors:
+    expected:
+     - "bondethernet .* does not exist in interfaces"
+    count: 1
+---
+bondethernets:
+  BondEthernet0:
+    interfaces: [ GigabitEthernet2/0/0, GigabitEthernet2/0/1 ]
+
+interfaces:
+  GigabitEthernet2/0/0:
+    description: "LAG #2"
+  GigabitEthernet2/0/1:
+    description: "LAG #2"
+
+  # BondEthenet0:
+  #   description: "This entry should exist"
+  #   mtu: 1500