refactor(anta): Update VerifySnmpContact , VerifySnmpLocation tests t…

…o have a more human readable format for the test result failures messages (#806)

anta/tests/snmp.py

@@ -11,6 +11,7 @@
 
 from anta.custom_types import PositiveInteger
 from anta.models import AntaCommand, AntaTest
+from anta.tools import get_value
 
 if TYPE_CHECKING:
     from anta.models import AntaTemplate
@@ -183,8 +184,12 @@ class Input(AntaTest.Input):
     @AntaTest.anta_test
     def test(self) -> None:
         """Main test function for VerifySnmpLocation."""
-        location = self.instance_commands[0].json_output["location"]["location"]
+        # Verifies the SNMP location is configured.
+        if not (location := get_value(self.instance_commands[0].json_output, "location.location")):
+            self.result.is_failure("SNMP location is not configured.")
+            return
 
+        # Verifies the expected SNMP location.
         if location != self.inputs.location:
             self.result.is_failure(f"Expected `{self.inputs.location}` as the location, but found `{location}` instead.")
         else:
@@ -222,8 +227,12 @@ class Input(AntaTest.Input):
     @AntaTest.anta_test
     def test(self) -> None:
         """Main test function for VerifySnmpContact."""
-        contact = self.instance_commands[0].json_output["contact"]["contact"]
+        # Verifies the SNMP contact is configured.
+        if not (contact := get_value(self.instance_commands[0].json_output, "contact.contact")):
+            self.result.is_failure("SNMP contact is not configured.")
+            return
 
+        # Verifies the expected SNMP contact.
         if contact != self.inputs.contact:
             self.result.is_failure(f"Expected `{self.inputs.contact}` as the contact, but found `{contact}` instead.")
         else:

tests/units/anta_tests/test_snmp.py

@@ -99,6 +99,20 @@
             "messages": ["Expected `New York` as the location, but found `Europe` instead."],
         },
     },
+    {
+        "name": "failure-details-not-configured",
+        "test": VerifySnmpLocation,
+        "eos_data": [
+            {
+                "location": {"location": ""},
+            }
+        ],
+        "inputs": {"location": "New York"},
+        "expected": {
+            "result": "failure",
+            "messages": ["SNMP location is not configured."],
+        },
+    },
     {
         "name": "success",
         "test": VerifySnmpContact,
@@ -124,4 +138,18 @@
             "messages": ["Expected `[email protected]` as the contact, but found `[email protected]` instead."],
         },
     },
+    {
+        "name": "failure-details-not-configured",
+        "test": VerifySnmpContact,
+        "eos_data": [
+            {
+                "contact": {"contact": ""},
+            }
+        ],
+        "inputs": {"contact": "[email protected]"},
+        "expected": {
+            "result": "failure",
+            "messages": ["SNMP contact is not configured."],
+        },
+    },
 ]