Add test for AttackTechnique

Issue with `_check_status` function since it tries to fetch from mongodb which doesn't exist in testing env

monkey/monkey_island/cc/services/attack/technique_reports/attack_technique_test.py

@@ -0,0 +1,97 @@
+import json
+from unittest import TestCase
+
+from common.utils.attack_utils import ScanStatus
+from monkey_island.cc.database import mongo
+
+from . import AttackTechnique
+from .pba_technique import PostBreachTechnique
+
+
+class T9999(PostBreachTechnique):
+    tech_id = "T9999"
+    unscanned_msg = "Unscanned"
+    scanned_msg = "Scanned"
+    used_msg = "Used"
+    pba_names = ["PBA Name"]
+
+
+config =\
+    {
+        'category': {
+            'link': '',
+            'properties': {
+                'T9999': {
+                    'description': '',
+                    'link': '',
+                    'necessary': False,
+                    'title': '',
+                    'type': 'bool',
+                    'value': False  # this field denotes whether technique is enabled or disabled in config
+                }
+            }
+        }
+    }
+
+
+def set_config(value: bool):
+    config['category']['properties']['T9999']['value'] = value
+    return config
+
+
+param_list = [
+    # unscanned
+    (
+        {  # telemetry data
+            'info': [],
+            'message': 'Unscanned',
+            'status': 0,
+            'title': 'Unscanned technique'
+        },
+        set_config(True),  # configuration
+        ScanStatus.UNSCANNED.value  # expected status
+    ),
+
+    # scanned
+    (
+        {  # telemetry data
+            'info': [],
+            'message': 'Scanned',
+            'status': 1,
+            'title': 'Scanned technique'
+        },
+        set_config(True),  # configuration
+        ScanStatus.SCANNED.value  # expected status
+    ),
+
+    # used
+    (
+        {  # telemetry data
+            'info': [],
+            'message': 'Used',
+            'status': 2,
+            'title': 'Used technique'
+        },
+        set_config(True),  # configuration
+        ScanStatus.USED.value  # expected status
+    ),
+
+    # disabled
+    (
+        {  # telemetry data
+            'info': [],
+            'message': 'Disabled',
+            'status': 0,
+            'title': 'Disabled technique'
+        },
+        set_config(False),  # configuration
+        ScanStatus.DISABLED.value  # expected status
+    )
+]
+
+
+class TestAttackTechnique(TestCase):
+    def test__check_status(self):
+        for telem_data, config, expected_status in param_list:
+            with self.subTest(msg=f"Checking if correct status is returned (status: {telem_data['message']})"):
+                self.assertEqual(T9999._check_status(telem_data['status']), expected_status)