diff --git a/pyhon/__main__.py b/pyhon/__main__.py
old mode 100755
new mode 100644
diff --git a/pyhon/appliance.py b/pyhon/appliance.py
index 4c75100..11749da 100644
--- a/pyhon/appliance.py
+++ b/pyhon/appliance.py
@@ -1,11 +1,13 @@
 import importlib
+import json
 import logging
 from contextlib import suppress
 from datetime import datetime, timedelta
+from pathlib import Path
 from typing import Optional, Dict, Any
 from typing import TYPE_CHECKING
 
-from pyhon import helper, exceptions
+from pyhon import helper
 from pyhon.commands import HonCommand
 from pyhon.parameter.base import HonParameter
 from pyhon.parameter.fixed import HonParameterFixed
@@ -125,9 +127,7 @@ class HonAppliance:
         return self._zone
 
     @property
-    def api(self) -> "HonAPI":
-        if self._api is None:
-            raise exceptions.NoAuthenticationException
+    def api(self) -> Optional["HonAPI"]:
         return self._api
 
     async def _recover_last_command_states(self):
@@ -279,3 +279,34 @@ class HonAppliance:
             whitespace=whitespace,
         )
         return result.replace(self.mac_address, "xx-xx-xx-xx-xx-xx")
+
+
+class HonApplianceTest(HonAppliance):
+    def __init__(self, name):
+        super().__init__(None, {})
+        self._name = name
+        self.load_commands()
+        self._info = self._appliance_model
+
+    def load_commands(self):
+        device = Path(__file__).parent / "test_data" / f"{self._name}.json"
+        with open(str(device)) as f:
+            raw = json.loads(f.read())
+        self._appliance_model = raw.pop("applianceModel")
+        raw.pop("dictionaryId", None)
+        self._commands = self._get_commands(raw)
+
+    async def update(self):
+        return
+
+    @property
+    def nick_name(self) -> str:
+        return self._name
+
+    @property
+    def unique_id(self) -> str:
+        return self._name
+
+    @property
+    def mac_address(self) -> str:
+        return "xx-xx-xx-xx-xx-xx"
diff --git a/pyhon/commands.py b/pyhon/commands.py
index 89158c1..532f2cd 100644
--- a/pyhon/commands.py
+++ b/pyhon/commands.py
@@ -7,7 +7,7 @@ from pyhon.parameter.program import HonParameterProgram
 from pyhon.parameter.range import HonParameterRange
 
 if TYPE_CHECKING:
-    from pyhon import HonAPI
+    from pyhon import HonAPI, exceptions
     from pyhon.appliance import HonAppliance
 
 
@@ -20,7 +20,7 @@ class HonCommand:
         categories: Optional[Dict[str, "HonCommand"]] = None,
         category_name: str = "",
     ):
-        self._api: HonAPI = appliance.api
+        self._api: Optional[HonAPI] = appliance.api
         self._appliance: "HonAppliance" = appliance
         self._name: str = name
         self._categories: Optional[Dict[str, "HonCommand"]] = categories
@@ -39,6 +39,12 @@ class HonCommand:
     def name(self):
         return self._name
 
+    @property
+    def api(self) -> "HonAPI":
+        if self._api is None:
+            raise exceptions.NoAuthenticationException
+        return self._api
+
     @property
     def data(self):
         return self._data
@@ -87,7 +93,7 @@ class HonCommand:
     async def send(self) -> bool:
         params = self.parameter_groups.get("parameters", {})
         ancillary_params = self.parameter_groups.get("ancillaryParameters", {})
-        return await self._api.send_command(
+        return await self.api.send_command(
             self._appliance, self._name, params, ancillary_params
         )
 
@@ -129,5 +135,6 @@ class HonCommand:
             for name, parameter in command.parameters.items():
                 if name in result:
                     result[name] = self._more_options(result[name], parameter)
-                result[name] = parameter
+                else:
+                    result[name] = parameter
         return result
diff --git a/pyhon/hon.py b/pyhon/hon.py
index 0dfde58..e7b5e9b 100644
--- a/pyhon/hon.py
+++ b/pyhon/hon.py
@@ -10,9 +10,14 @@ from pyhon.appliance import HonAppliance
 
 
 class Hon:
-    def __init__(self, email: str, password: str, session: ClientSession | None = None):
-        self._email: str = email
-        self._password: str = password
+    def __init__(
+        self,
+        email: Optional[str] = "",
+        password: Optional[str] = "",
+        session: Optional[ClientSession] = None,
+    ):
+        self._email: Optional[str] = email
+        self._password: Optional[str] = password
         self._session: ClientSession | None = session
         self._appliances: List[HonAppliance] = []
         self._api: Optional[HonAPI] = None
@@ -34,9 +39,21 @@ class Hon:
             raise exceptions.NoAuthenticationException
         return self._api
 
+    @property
+    def email(self) -> str:
+        if not self._email:
+            raise ValueError("Missing email")
+        return self._email
+
+    @property
+    def password(self) -> str:
+        if not self._password:
+            raise ValueError("Missing password")
+        return self._password
+
     async def create(self) -> Self:
         self._api = await HonAPI(
-            self._email, self._password, session=self._session
+            self.email, self.password, session=self._session
         ).create()
         await self.setup()
         return self
@@ -45,6 +62,10 @@ class Hon:
     def appliances(self) -> List[HonAppliance]:
         return self._appliances
 
+    @appliances.setter
+    def appliances(self, appliances) -> None:
+        self._appliances = appliances
+
     async def _create_appliance(self, appliance_data: Dict[str, Any], zone=0) -> None:
         appliance = HonAppliance(self._api, appliance_data, zone=zone)
         if appliance.mac_address == "":