Added new testcase to SNMP alerts sub menu

Changes:
    - Configure SNMP Manager Via GUI And Verify SNMP Trap

Tested:
    Ran Test
gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot

Change-Id: I2bb810c0ee57ab7ea3fc5bd697821ca170ec687f
Signed-off-by: meghagn <Megha.GN@ibm.com>
diff --git a/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot b/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
index 0406147..a51945f 100644
--- a/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
+++ b/gui/gui_test/settings_menu/test_snmp_alerts_sub_menu.robot
@@ -172,6 +172,25 @@
     Verify SNMP Manager Configured On BMC  ${SNMP_MGR2_IP}  ${SNMP_DEFAULT_PORT}
 
 
+Configure SNMP Manager Via GUI And Verify SNMP Trap
+    [Documentation]  Login GUI SNMP alerts page and add SNMP manager via GUI
+    ...  and generate error on BMC and verify trap and its fields.
+    [Tags]  Configure_SNMP_Manager_Via_GUI_And_Verify_SNMP_Trap
+    [Template]  Create Error On BMC And Verify Trap On Default Port
+    [Teardown]  Delete SNMP Manager Via GUI  ${SNMP_MGR1_IP}  ${SNMP_DEFAULT_PORT}
+
+    # event_log                 expected_error
+
+    # Generate internal failure error.
+    ${CMD_INTERNAL_FAILURE}     ${SNMP_TRAP_BMC_INTERNAL_FAILURE}
+
+    # Generate timeout error.
+    ${CMD_FRU_CALLOUT}          ${SNMP_TRAP_BMC_CALLOUT_ERROR}
+
+    # Generate informational error.
+    ${CMD_INFORMATIONAL_ERROR}  ${SNMP_TRAP_BMC_INFORMATIONAL_ERROR}
+
+
 *** Keywords ***
 
 Suite Setup Execution
@@ -250,3 +269,39 @@
 
     Configure SNMP Manager Via GUI  ${snmp_ip_value}  ${snmp_port_value}
     Verify SNMP Manager Configured On BMC  ${snmp_ip_value}  ${snmp_port_value}
+
+
+Create Error On BMC And Verify Trap On Default Port
+    [Documentation]  Generate error on BMC and verify if trap is sent to default port.
+    [Arguments]  ${event_log}=${CMD_INTERNAL_FAILURE}  ${expected_error}=${SNMP_TRAP_BMC_INTERNAL_FAILURE}
+
+    # Description of argument(s):
+    # event_log       Event logs to be created.
+    # expected_error  Expected error on SNMP.
+
+    Configure SNMP Manager Via GUI  ${SNMP_MGR1_IP}  ${SNMP_DEFAULT_PORT}
+
+    Start SNMP Manager
+
+    # Generate error log.
+    BMC Execute Command  ${event_log}
+
+    SSHLibrary.Switch Connection  snmp_server
+    ${SNMP_LISTEN_OUT}=  Read  delay=1s
+
+    # Stop SNMP manager process.
+    SSHLibrary.Execute Command  sudo killall snmptrapd
+
+    # Sample SNMP trap:
+    # 2021-06-16 07:05:29 xx.xx.xx.xx [UDP: [xx.xx.xx.xx]:58154->[xx.xx.xx.xx]:xxx]:
+    # DISMAN-EVENT-MIB::sysUpTimeInstance = Timeticks: (2100473) 5:50:04.73
+    #   SNMPv2-MIB::snmpTrapOID.0 = OID: SNMPv2-SMI::enterprises.49871.1.0.0.1
+    #  SNMPv2-SMI::enterprises.49871.1.0.1.1 = Gauge32: 369    SNMPv2-SMI::enterprises.49871.1.0.1.2 = Opaque:
+    # UInt64: 1397718405502468474     SNMPv2-SMI::enterprises.49871.1.0.1.3 = INTEGER: 3
+    #      SNMPv2-SMI::enterprises.49871.1.0.1.4 = STRING: "xxx.xx.xx Failure"
+
+    ${lines}=  Split To Lines  ${SNMP_LISTEN_OUT}
+    ${trap_info}=  Get From List  ${lines}  -1
+    ${snmp_trap}=  Split String  ${trap_info}  \t
+
+    Verify SNMP Trap  ${snmp_trap}  ${expected_error}