Add method to delete installed app (#528)

Author: joostlek

src/pysmartthings/smartthings.py

@@ -357,7 +357,7 @@ async def delete_smart_app(
     async def get_installed_app(
         self, personal_access_token: str, installed_app_id: str
     ) -> InstalledApp:
-        """Delete a SmartApp."""
+        """Retrieve an installed SmartApp."""
         url = URL.build(
             scheme="https",
             host=API_BASE,
@@ -372,6 +372,23 @@ async def get_installed_app(
         resp = await self.__internal_request(METH_GET, url, headers)
         return InstalledApp.from_json(resp)
 
+    async def delete_installed_app(
+        self, personal_access_token: str, installed_app_id: str
+    ) -> None:
+        """Delete an installed SmartApp."""
+        url = URL.build(
+            scheme="https",
+            host=API_BASE,
+            port=443,
+        ).joinpath(f"v1/installedapps/{installed_app_id}")
+
+        headers = {
+            "Accept": f"application/vnd.smartthings+json;v={API_VERSION}",
+            "Authorization": f"Bearer {personal_access_token}",
+        }
+
+        await self.__internal_request(METH_DELETE, url, headers)
+
     async def execute_device_command(
         self,
         device_id: str,

tests/test_smartapp.py

@@ -30,6 +30,26 @@ async def test_deleting_smart_app(
     )
 
 
+async def test_deleting_installed_app(
+    client: SmartThings,
+    responses: aioresponses,
+) -> None:
+    """Test deleting an installed SmartApp."""
+    responses.delete(
+        f"{MOCK_URL}/v1/installedapps/4514eb36-f5fd-4ab2-9520-0597acd1d212", status=200
+    )
+    await client.delete_installed_app(
+        "abcabcabcabc", "4514eb36-f5fd-4ab2-9520-0597acd1d212"
+    )
+    responses.assert_called_once_with(
+        f"{MOCK_URL}/v1/installedapps/4514eb36-f5fd-4ab2-9520-0597acd1d212",
+        METH_DELETE,
+        headers={**HEADERS, "Authorization": "Bearer abcabcabcabc"},
+        params=None,
+        json=None,
+    )
+
+
 async def test_get_installed_app(
     client: SmartThings,
     responses: aioresponses,