diff --git a/README.md b/README.md
index 2c0ce86..9f1c152 100644
--- a/README.md
+++ b/README.md
@@ -334,22 +334,6 @@ Public. Sets the handler for exit command when entering a command
 
 ---
 
-<a id="argenta.app.models.App.run_polling"></a>
-
-#### run\_polling
-
-```python
-def run_polling() -> None
-```
-
-Private. Starts the user input processing cycle
-
-**Returns**:
-
-`None`
-
----
-
 <a id="argenta.app.models.App.include_router"></a>
 
 #### include\_router
@@ -494,26 +478,6 @@ Public. The static dividing line
 
 ---
 
-<a id="argenta.app.dividing_line.models.StaticDividingLine.get_full_static_line"></a>
-
-#### get\_full\_static\_line
-
-```python
-def get_full_static_line(is_override: bool) -> str
-```
-
-Private. Returns the full line of the dividing line
-
-**Arguments**:
-
-- `is_override`: has the default text layout been redefined
-
-**Returns**:
-
-full line of dividing line as str
-
----
-
 <a id="argenta.app.dividing_line.models.DynamicDividingLine"></a>
 
 ## DynamicDividingLine Objects
@@ -542,27 +506,6 @@ Public. The dynamic dividing line
 
 ---
 
-<a id="argenta.app.dividing_line.models.DynamicDividingLine.get_full_dynamic_line"></a>
-
-#### get\_full\_dynamic\_line
-
-```python
-def get_full_dynamic_line(length: int, is_override: bool) -> str
-```
-
-Private. Returns the full line of the dividing line
-
-**Arguments**:
-
-- `length`: the length of the dividing line
-- `is_override`: has the default text layout been redefined
-
-**Returns**:
-
-full line of dividing line as str
-
----
-
 <a id="argenta.app.exceptions"></a>
 
 # `.app.exceptions`
@@ -1233,46 +1176,6 @@ Public. Registers handler for invalid input flag
 
 ---
 
-<a id="argenta.router.entity.Router.input_command_handler"></a>
-
-#### input\_command\_handler
-
-```python
-def input_command_handler(input_command: InputCommand) -> None
-```
-
-Private. One handler for all input commands
-
-**Arguments**:
-
-- `input_command`: input command as InputCommand
-
-**Returns**:
-
-`None`
-
----
-
-<a id="argenta.router.entity.Router.set_command_register_ignore"></a>
-
-#### set\_command\_register\_ignore
-
-```python
-def set_command_register_ignore(_: bool) -> None
-```
-
-Private. Sets the router behavior on the input commands register
-
-**Arguments**:
-
-- `_`: is command register ignore
-
-**Returns**:
-
-`None`
-
----
-
 <a id="argenta.router.entity.Router.get_triggers"></a>
 
 #### get\_triggers
diff --git a/mock/local_test.py b/mock/local_test.py
index d61b2e8..14b4be4 100644
--- a/mock/local_test.py
+++ b/mock/local_test.py
@@ -1,13 +1,6 @@
-from argenta.command.flag.defaults import PredefinedFlags
+from argenta.app import App
+from argenta.command.models import InputCommand
 
-router = Router()
-flag = PredefinedFlags.SHORT_HELP
-
-@router.command(Command('test', flags=flag))
-def test(args: InputFlags):
-    print(f'help for {args.get_flag('h').get_name()} flag')
-
-app = App(override_system_messages=True,
-          print_func=print)
-app.include_router(router)
-app.run_polling()
\ No newline at end of file
+app = App()
+app._all_registered_triggers_in_lower = ['fr', 'Tre', 'Pre']
+print(app._is_unknown_command(InputCommand('fr')))
\ No newline at end of file
diff --git a/src/argenta/router/__init__.py b/src/argenta/router/__init__.py
index cb253db..75d05bc 100644
--- a/src/argenta/router/__init__.py
+++ b/src/argenta/router/__init__.py
@@ -1,4 +1,4 @@
 __all__ = ["Router"]
 
 
-from src.argenta.router.entity import Router
\ No newline at end of file
+from argenta.router.entity import Router
\ No newline at end of file
diff --git a/src/argenta/router/entity.py b/src/argenta/router/entity.py
index 7cb3e23..fc43b8d 100644
--- a/src/argenta/router/entity.py
+++ b/src/argenta/router/entity.py
@@ -1,13 +1,13 @@
 from typing import Callable
 from inspect import getfullargspec
-from src.argenta.command import Command
-from src.argenta.command.models import InputCommand
-from src.argenta.router.command_handler.entity import CommandHandlers, CommandHandler
-from src.argenta.command.flag.models import Flag, Flags, InputFlags
-from src.argenta.router.exceptions import (RepeatedFlagNameException,
-                                           TooManyTransferredArgsException,
-                                           RequiredArgumentNotPassedException,
-                                           TriggerContainSpacesException)
+from argenta.command import Command
+from argenta.command.models import InputCommand
+from argenta.router.command_handler.entity import CommandHandlers, CommandHandler
+from argenta.command.flag.models import Flag, Flags, InputFlags
+from argenta.router.exceptions import (RepeatedFlagNameException,
+                                       TooManyTransferredArgsException,
+                                       RequiredArgumentNotPassedException,
+                                       TriggerContainSpacesException)
 
 
 class Router:
diff --git a/tests/unit_tests/test_app.py b/tests/unit_tests/test_app.py
new file mode 100644
index 0000000..1b7b607
--- /dev/null
+++ b/tests/unit_tests/test_app.py
@@ -0,0 +1,54 @@
+from argenta.command.models import InputCommand, Command
+from src.argenta.app import App
+
+import unittest
+
+
+class MyTestCase(unittest.TestCase):
+    def test_is_exit_command1(self):
+        app = App()
+        self.assertEqual(app._is_exit_command(InputCommand('q')), True)
+
+    def test_is_exit_command5(self):
+        app = App()
+        self.assertEqual(app._is_exit_command(InputCommand('Q')), True)
+
+    def test_is_exit_command2(self):
+        app = App(ignore_command_register=False)
+        self.assertEqual(app._is_exit_command(InputCommand('q')), False)
+
+    def test_is_exit_command3(self):
+        app = App(exit_command=Command('quit'))
+        self.assertEqual(app._is_exit_command(InputCommand('quit')), True)
+
+    def test_is_exit_command4(self):
+        app = App(exit_command=Command('quit'))
+        self.assertEqual(app._is_exit_command(InputCommand('qUIt')), True)
+
+    def test_is_exit_command6(self):
+        app = App(ignore_command_register=False,
+                  exit_command=Command('quit'))
+        self.assertEqual(app._is_exit_command(InputCommand('qUIt')), False)
+
+    def test_is_unknown_command1(self):
+        app = App()
+        app._all_registered_triggers_in_lower = ['fr', 'tr', 'de']
+        self.assertEqual(app._is_unknown_command(InputCommand('fr')), False)
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
diff --git a/tests/unit_tests/test_command.py b/tests/unit_tests/test_command.py
index 4bde140..2587c0c 100644
--- a/tests/unit_tests/test_command.py
+++ b/tests/unit_tests/test_command.py
@@ -31,3 +31,19 @@ class TestInputCommand(unittest.TestCase):
         command = Command('some', flags=Flags(Flag('test'), Flag('more')))
         self.assertEqual(command.validate_input_flag(InputFlag('more')), True)
 
+    def test_validate_incorrect_input_flag1(self):
+        command = Command('some', flags=Flags(Flag('test')))
+        self.assertEqual(command.validate_input_flag(InputFlag('more')), False)
+
+    def test_validate_incorrect_input_flag2(self):
+        command = Command('some', flags=Flags(Flag('test'), Flag('more')))
+        self.assertEqual(command.validate_input_flag(InputFlag('case')), False)
+
+    def test_validate_incorrect_input_flag3(self):
+        command = Command('some')
+        self.assertEqual(command.validate_input_flag(InputFlag('case')), False)
+
+    def test_isinstance_parse_correct_raw_command(self):
+        cmd = InputCommand.parse('ssh --host 192.168.0.3')
+        self.assertIsInstance(cmd, InputCommand)
+