diff --git a/show/main.py b/show/main.py
index ef52535725c..e3dafb492fe 100755
--- a/show/main.py
+++ b/show/main.py
@@ -3314,18 +3314,30 @@ def system_health():
 @system_health.command()
 def summary():
     """Show system-health summary information"""
-    if os.geteuid():
-        click.echo("Root privileges are required for this operation")
-        return
-    from health_checker.manager import HealthCheckerManager
+    # Mock the redis for unit test purposes #
+    try:
+        if os.environ["UTILITIES_UNIT_TESTING"] == "1":
+            modules_path = os.path.join(os.path.dirname(__file__), "..")
+            sys.path.insert(0, modules_path)
+            from system_health_test import MockerManager
+            from system_health_test import MockerChassis
+            HealthCheckerManager = MockerManager
+            Chassis = MockerChassis
+    except:
+        # Normal run... # 
+        if os.geteuid():
+            click.echo("Root privileges are required for this operation")
+            return
+        from health_checker.manager import HealthCheckerManager
+        from sonic_platform.chassis import Chassis
+
     manager = HealthCheckerManager()
-    state, stat = manager.check()
+    chassis = Chassis()
+    state, stat = manager.check(chassis)
     if state == HealthCheckerManager.STATE_BOOTING:
         click.echo("System is currently booting...")
         return
     if state == HealthCheckerManager.STATE_RUNNING:
-        from sonic_platform.chassis import Chassis
-        chassis = Chassis()
         chassis.initizalize_system_led()
         led = chassis.get_status_led()
         fault_counter = 0
@@ -3335,7 +3347,7 @@ def summary():
                 if elements[element]['status'] != "OK":
                     fault_counter += 1
                     if fault_counter == 1:
-                        click.echo(category + "\tFault")
+                        click.echo(category + "\tNot OK")
                     click.echo('\t' + elements[element]['message'])
             if not fault_counter:
                 click.echo(category + "\tOK")
@@ -3344,19 +3356,31 @@ def summary():
 @system_health.command()
 def detail():
     """Show system-health detail information"""
-    if os.geteuid():
-        click.echo("Root privileges are required for this operation")
-        return
-    from health_checker.manager import HealthCheckerManager
+    # Mock the redis for unit test purposes #
+    try:
+        if os.environ["UTILITIES_UNIT_TESTING"] == "1":
+            modules_path = os.path.join(os.path.dirname(__file__), "..")
+            sys.path.insert(0, modules_path)
+            from system_health_test import MockerManager
+            from system_health_test import MockerChassis
+            HealthCheckerManager = MockerManager
+            Chassis = MockerChassis
+    except:
+        # Normal run... # 
+        if os.geteuid():
+            click.echo("Root privileges are required for this operation")
+            return
+        from health_checker.manager import HealthCheckerManager
+        from sonic_platform.chassis import Chassis
+
     manager = HealthCheckerManager()
-    state, stat = manager.check()
+    chassis = Chassis()
+    state, stat = manager.check(chassis)
     if state == HealthCheckerManager.STATE_BOOTING:
         click.echo("System is currently booting...")
         return
     if state == HealthCheckerManager.STATE_RUNNING:
         #summary output
-        from sonic_platform.chassis import Chassis
-        chassis = Chassis()
         chassis.initizalize_system_led()
         led = chassis.get_status_led()
         fault_counter = 0
@@ -3366,11 +3390,12 @@ def detail():
                 if elements[element]['status'] != "OK":
                     fault_counter += 1
                     if fault_counter == 1:
-                        click.echo(category + "\tFault")
+                        click.echo(category + "\tNot OK")
                     click.echo('\t' + elements[element]['message'])
             if not fault_counter:
                 click.echo(category + "\tOK")
             fault_counter = 0
+
         click.echo('\nSystem services and devices monitor list\n----------------------------------------\n')
         header = ['Name', 'Status', 'Type']
         table = []
@@ -3403,12 +3428,26 @@ def detail():
 @system_health.command()
 def monitor_list():
     """Show system-health monitored services and devices name list"""
-    if os.geteuid():
-        click.echo("Root privileges are required for this operation")
-        return
-    from health_checker.manager import HealthCheckerManager
+    # Mock the redis for unit test purposes #
+    try:
+        if os.environ["UTILITIES_UNIT_TESTING"] == "1":
+            modules_path = os.path.join(os.path.dirname(__file__), "..")
+            sys.path.insert(0, modules_path)
+            from system_health_test import MockerManager
+            from system_health_test import MockerChassis
+            HealthCheckerManager = MockerManager
+            Chassis = MockerChassis
+    except:
+        # Normal run... # 
+        if os.geteuid():
+            click.echo("Root privileges are required for this operation")
+            return
+        from health_checker.manager import HealthCheckerManager
+        from sonic_platform.chassis import Chassis
+
     manager = HealthCheckerManager()
-    state, stat = manager.check()
+    chassis = Chassis()
+    state, stat = manager.check(chassis)
     if state == HealthCheckerManager.STATE_BOOTING:
         click.echo("System is currently booting...")
         return
diff --git a/sonic-utilities-tests/system_health_test.py b/sonic-utilities-tests/system_health_test.py
new file mode 100644
index 00000000000..d286e24093c
--- /dev/null
+++ b/sonic-utilities-tests/system_health_test.py
@@ -0,0 +1,106 @@
+#! /usr/bin/python -u
+
+import sys
+import os
+from click.testing import CliRunner
+import mock_tables.dbconnector
+
+test_path = os.path.dirname(os.path.abspath(__file__))
+modules_path = os.path.dirname(test_path)
+scripts_path = os.path.join(modules_path, "scripts")
+sys.path.insert(0, modules_path)
+
+class MockerConfig(object):
+    ignore_devices = []
+    ignore_services = []
+
+class MockerManager(object):
+    STATE_BOOTING = 'booting'
+    STATE_RUNNING = 'running'
+    counter = 0
+    
+    def __init__(self):
+        self.config = MockerConfig()
+
+    def check(self, chassis):
+        if MockerManager.counter == 0:
+            state = MockerManager.STATE_BOOTING
+            stats = {}
+        elif MockerManager.counter == 1:
+            state = MockerManager.STATE_RUNNING
+            stats = {'Services': {'neighsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vrfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'telemetry': {'status': 'Not OK', 'message': 'telemetry is not Running', 'type': 'Process'}, 'dialout_client': {'status': 'OK', 'message': '', 'type': 'Process'}, 'zebra': {'status': 'OK', 'message': '', 'type': 'Process'}, 'rsyslog': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'redis_server': {'status': 'OK', 'message': '', 'type': 'Process'}, 'intfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'orchagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vxlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldpd_monitor': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'var-log': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'lldpmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sonic': {'status': 'OK', 'message': '', 'type': 'System'}, 'buffermgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'staticd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldp_syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpcfgd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmp_subagent': {'status': 'Not OK', 'message': 'snmp_subagent is not Running', 'type': 'Process'}, 'root-overlay': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'fpmsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sflowmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'nbrmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}}, 'Hardware': {'psu_1_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'psu_2_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 1': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'fan10': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 2': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'ASIC': {'status': 'OK', 'message': '', 'type': 'ASIC'}, 'fan1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan3': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan2': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan5': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan4': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan7': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan6': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan9': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan8': {'status': 'OK', 'message': '', 'type': 'Fan'}}}
+        elif MockerManager.counter == 2:
+            state = MockerManager.STATE_RUNNING
+            stats = {'Services': {'neighsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vrfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'telemetry': {'status': 'OK', 'message': '', 'type': 'Process'}, 'dialout_client': {'status': 'OK', 'message': '', 'type': 'Process'}, 'zebra': {'status': 'OK', 'message': '', 'type': 'Process'}, 'rsyslog': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'redis_server': {'status': 'OK', 'message': '', 'type': 'Process'}, 'intfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'orchagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vxlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldpd_monitor': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'var-log': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'lldpmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sonic': {'status': 'OK', 'message': '', 'type': 'System'}, 'buffermgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'staticd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldp_syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpcfgd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmp_subagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'root-overlay': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'fpmsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sflowmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'nbrmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}}, 'Hardware': {'psu_1_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'psu_2_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 1': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'fan10': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 2': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'ASIC': {'status': 'OK', 'message': '', 'type': 'ASIC'}, 'fan1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan3': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan2': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan5': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan4': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan7': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan6': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan9': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan8': {'status': 'OK', 'message': '', 'type': 'Fan'}}}
+        elif MockerManager.counter == 3:
+            state = MockerManager.STATE_RUNNING
+            stats = {'Services': {'neighsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vrfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'telemetry': {'status': 'Not OK', 'message': 'telemetry is not Running', 'type': 'Process'}, 'dialout_client': {'status': 'OK', 'message': '', 'type': 'Process'}, 'zebra': {'status': 'OK', 'message': '', 'type': 'Process'}, 'rsyslog': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'redis_server': {'status': 'OK', 'message': '', 'type': 'Process'}, 'intfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'orchagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vxlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldpd_monitor': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'var-log': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'lldpmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sonic': {'status': 'OK', 'message': '', 'type': 'System'}, 'buffermgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'staticd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldp_syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpcfgd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmp_subagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'root-overlay': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'fpmsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sflowmgrd': {'status': 'Not OK', 'message': 'sflowmgrd is not Running', 'type': 'Process'}, 'vlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'nbrmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}}, 'Hardware': {'PSU 2': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'psu_1_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'psu_2_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan11': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan10': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan12': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'ASIC': {'status': 'OK', 'message': '', 'type': 'ASIC'}, 'fan1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 1': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'fan3': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan2': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan5': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan4': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan7': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan6': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan9': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan8': {'status': 'OK', 'message': '', 'type': 'Fan'}}}
+        elif MockerManager.counter == 4:
+            state = MockerManager.STATE_RUNNING
+            stats = {'Services': {'neighsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vrfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'telemetry': {'status': 'Not OK', 'message': 'telemetry is not Running', 'type': 'Process'}, 'dialout_client': {'status': 'OK', 'message': '', 'type': 'Process'}, 'zebra': {'status': 'OK', 'message': '', 'type': 'Process'}, 'rsyslog': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'redis_server': {'status': 'OK', 'message': '', 'type': 'Process'}, 'intfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'orchagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vxlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldpd_monitor': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'var-log': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'lldpmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sonic': {'status': 'OK', 'message': '', 'type': 'System'}, 'buffermgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'staticd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldp_syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpcfgd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmp_subagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'root-overlay': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'fpmsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sflowmgrd': {'status': 'Not OK', 'message': 'sflowmgrd is not Running', 'type': 'Process'}, 'vlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'nbrmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}}, 'Hardware': {'PSU 2': {'status': 'Not OK', 'message': 'Failed to get voltage minimum threshold data for PSU 2', 'type': 'PSU'}, 'psu_1_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'psu_2_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan11': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan10': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan12': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'ASIC': {'status': 'OK', 'message': '', 'type': 'ASIC'}, 'fan1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 1': {'status': 'Not OK', 'message': 'Failed to get voltage minimum threshold data for PSU 1', 'type': 'PSU'}, 'fan3': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan2': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan5': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan4': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan7': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan6': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan9': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan8': {'status': 'OK', 'message': '', 'type': 'Fan'}}}
+        elif MockerManager.counter == 5:
+            state = MockerManager.STATE_RUNNING
+            stats = {'Services': {'neighsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vrfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'telemetry': {'status': 'Not OK', 'message': 'telemetry is not Running', 'type': 'Process'}, 'dialout_client': {'status': 'OK', 'message': '', 'type': 'Process'}, 'zebra': {'status': 'OK', 'message': '', 'type': 'Process'}, 'rsyslog': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'redis_server': {'status': 'OK', 'message': '', 'type': 'Process'}, 'intfmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'orchagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'vxlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldpd_monitor': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'var-log': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'lldpmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sonic': {'status': 'OK', 'message': '', 'type': 'System'}, 'buffermgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'portmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'staticd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'lldp_syncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'bgpcfgd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'snmp_subagent': {'status': 'OK', 'message': '', 'type': 'Process'}, 'root-overlay': {'status': 'OK', 'message': '', 'type': 'Filesystem'}, 'fpmsyncd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'sflowmgrd': {'status': 'Not OK', 'message': 'sflowmgrd is not Running', 'type': 'Process'}, 'vlanmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}, 'nbrmgrd': {'status': 'OK', 'message': '', 'type': 'Process'}}, 'Hardware': {'PSU 2': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'psu_1_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'psu_2_fan_1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan11': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan10': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan12': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'ASIC': {'status': 'OK', 'message': '', 'type': 'ASIC'}, 'fan1': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'PSU 1': {'status': 'OK', 'message': '', 'type': 'PSU'}, 'fan3': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan2': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan5': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan4': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan7': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan6': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan9': {'status': 'OK', 'message': '', 'type': 'Fan'}, 'fan8': {'status': 'OK', 'message': '', 'type': 'Fan'}}}
+        else:
+            state = MockerManager.STATE_RUNNING
+            stats = {}
+        MockerManager.counter += 1
+
+        return state, stats
+
+class MockerChassis(object):
+    counter = 0
+
+    def initizalize_system_led(self):
+        return
+
+    def get_status_led(self):
+        if not MockerChassis.counter:
+            MockerChassis.counter += 1
+            return "red"
+        else:
+            return "green"
+
+import show.main as show
+
+class TestHealth(object):
+    @classmethod
+    def setup_class(cls):
+        print("SETUP")
+        os.environ["PATH"] += os.pathsep + scripts_path
+        os.environ["UTILITIES_UNIT_TESTING"] = "1"
+
+    def test_health_summary(self):
+        runner = CliRunner()
+        result = runner.invoke(show.cli.commands["system-health"].commands["summary"])
+        expected = """System is currently booting...\n"""
+        assert result.output == expected
+        result = runner.invoke(show.cli.commands["system-health"].commands["summary"])
+        expected = """System status summary\n---------------------\nSystem status LED  red\n\nServices\tNot OK\n\ttelemetry is not Running\n\tsnmp_subagent is not Running\nHardware\tOK\n"""
+        assert result.output == expected
+        result = runner.invoke(show.cli.commands["system-health"].commands["summary"])
+        expected = """System status summary\n---------------------\nSystem status LED  green\n\nServices\tOK\nHardware\tOK\n"""
+        assert result.output == expected
+   
+    def test_health_monitor(self):
+        runner = CliRunner()
+        result = runner.invoke(show.cli.commands["system-health"].commands["monitor-list"])
+        expected = """\nSystem services and devices monitor list\n----------------------------------------\n\nName            Status    Type\n--------------  --------  ----------\nneighsyncd      OK        Process\nvrfmgrd         OK        Process\ntelemetry       Not OK    Process\ndialout_client  OK        Process\nzebra           OK        Process\nrsyslog         OK        Process\nsnmpd           OK        Process\nredis_server    OK        Process\nintfmgrd        OK        Process\norchagent       OK        Process\nvxlanmgrd       OK        Process\nlldpd_monitor   OK        Process\nportsyncd       OK        Process\nvar-log         OK        Filesystem\nlldpmgrd        OK        Process\nsyncd           OK        Process\nsonic           OK        System\nbuffermgrd      OK        Process\nportmgrd        OK        Process\nstaticd         OK        Process\nvlanmgrd        OK        Process\nlldp_syncd      OK        Process\nbgpcfgd         OK        Process\nsnmp_subagent   OK        Process\nroot-overlay    OK        Filesystem\nfpmsyncd        OK        Process\nsflowmgrd       Not OK    Process\nbgpd            OK        Process\nnbrmgrd         OK        Process\nfan12           OK        Fan\npsu_1_fan_1     OK        Fan\npsu_2_fan_1     OK        Fan\nfan11           OK        Fan\nfan10           OK        Fan\nPSU 2           OK        PSU\nASIC            OK        ASIC\nfan1            OK        Fan\nPSU 1           OK        PSU\nfan3            OK        Fan\nfan2            OK        Fan\nfan5            OK        Fan\nfan4            OK        Fan\nfan7            OK        Fan\nfan6            OK        Fan\nfan9            OK        Fan\nfan8            OK        Fan\n"""
+        assert result.output == expected
+
+    def test_health_detail(self):
+        runner = CliRunner()
+        result = runner.invoke(show.cli.commands["system-health"].commands["detail"])
+        expected = """System status summary\n---------------------\nSystem status LED  green\n\nServices\tNot OK\n\ttelemetry is not Running\n\tsflowmgrd is not Running\nHardware\tNot OK\n\tFailed to get voltage minimum threshold data for PSU 2\n\tFailed to get voltage minimum threshold data for PSU 1\n\nSystem services and devices monitor list\n----------------------------------------\n\nName            Status    Type\n--------------  --------  ----------\nneighsyncd      OK        Process\nvrfmgrd         OK        Process\ntelemetry       Not OK    Process\ndialout_client  OK        Process\nzebra           OK        Process\nrsyslog         OK        Process\nsnmpd           OK        Process\nredis_server    OK        Process\nintfmgrd        OK        Process\norchagent       OK        Process\nvxlanmgrd       OK        Process\nlldpd_monitor   OK        Process\nportsyncd       OK        Process\nvar-log         OK        Filesystem\nlldpmgrd        OK        Process\nsyncd           OK        Process\nsonic           OK        System\nbuffermgrd      OK        Process\nportmgrd        OK        Process\nstaticd         OK        Process\nvlanmgrd        OK        Process\nlldp_syncd      OK        Process\nbgpcfgd         OK        Process\nsnmp_subagent   OK        Process\nroot-overlay    OK        Filesystem\nfpmsyncd        OK        Process\nsflowmgrd       Not OK    Process\nbgpd            OK        Process\nnbrmgrd         OK        Process\nfan12           OK        Fan\npsu_1_fan_1     OK        Fan\npsu_2_fan_1     OK        Fan\nfan11           OK        Fan\nfan10           OK        Fan\nPSU 2           Not OK    PSU\nASIC            OK        ASIC\nfan1            OK        Fan\nPSU 1           Not OK    PSU\nfan3            OK        Fan\nfan2            OK        Fan\nfan5            OK        Fan\nfan4            OK        Fan\nfan7            OK        Fan\nfan6            OK        Fan\nfan9            OK        Fan\nfan8            OK        Fan\n\nSystem services and devices ignore list\n---------------------------------------\n\nName    Status    Type\n------  --------  ------\n"""
+        assert result.output == expected
+        MockerConfig.ignore_devices.insert(0, "psu.voltage")
+        result = runner.invoke(show.cli.commands["system-health"].commands["detail"])
+        expected = """System status summary\n---------------------\nSystem status LED  green\n\nServices\tNot OK\n\ttelemetry is not Running\n\tsflowmgrd is not Running\nHardware\tOK\n\nSystem services and devices monitor list\n----------------------------------------\n\nName            Status    Type\n--------------  --------  ----------\nneighsyncd      OK        Process\nvrfmgrd         OK        Process\ntelemetry       Not OK    Process\ndialout_client  OK        Process\nzebra           OK        Process\nrsyslog         OK        Process\nsnmpd           OK        Process\nredis_server    OK        Process\nintfmgrd        OK        Process\norchagent       OK        Process\nvxlanmgrd       OK        Process\nlldpd_monitor   OK        Process\nportsyncd       OK        Process\nvar-log         OK        Filesystem\nlldpmgrd        OK        Process\nsyncd           OK        Process\nsonic           OK        System\nbuffermgrd      OK        Process\nportmgrd        OK        Process\nstaticd         OK        Process\nvlanmgrd        OK        Process\nlldp_syncd      OK        Process\nbgpcfgd         OK        Process\nsnmp_subagent   OK        Process\nroot-overlay    OK        Filesystem\nfpmsyncd        OK        Process\nsflowmgrd       Not OK    Process\nbgpd            OK        Process\nnbrmgrd         OK        Process\nfan12           OK        Fan\npsu_1_fan_1     OK        Fan\npsu_2_fan_1     OK        Fan\nfan11           OK        Fan\nfan10           OK        Fan\nPSU 2           OK        PSU\nASIC            OK        ASIC\nfan1            OK        Fan\nPSU 1           OK        PSU\nfan3            OK        Fan\nfan2            OK        Fan\nfan5            OK        Fan\nfan4            OK        Fan\nfan7            OK        Fan\nfan6            OK        Fan\nfan9            OK        Fan\nfan8            OK        Fan\n\nSystem services and devices ignore list\n---------------------------------------\n\nName         Status    Type\n-----------  --------  ------\npsu.voltage  Ignore    Device\n"""
+        assert result.output == expected
+        
+    @classmethod
+    def teardown_class(cls):
+        print("TEARDOWN")
+        os.environ["PATH"] = os.pathsep.join(os.environ["PATH"].split(os.pathsep)[:-1])
+        os.environ["UTILITIES_UNIT_TESTING"] = "0"
+        
\ No newline at end of file