diff --git a/src/casdoor/application.py b/src/casdoor/application.py
index e1777a8..7f176a6 100644
--- a/src/casdoor/application.py
+++ b/src/casdoor/application.py
@@ -96,6 +96,20 @@ def __init__(self):
         self.signinHtml = ""
         self.themeData = ThemeData
 
+    @classmethod
+    def new(cls, owner, name, created_time, display_name, logo, homepage_url, description, organization):
+        self = cls()
+        self.owner = owner
+        self.name = name
+        self.createdTime = created_time
+        self.displayName = display_name
+        self.logo = logo
+        self.homepageUrl = homepage_url
+        self.description = description
+        self.organization = organization
+        return self
+
+
     def __str__(self):
         return str(self.__dict__)
 
diff --git a/src/tests/test_application.py b/src/tests/test_application.py
new file mode 100644
index 0000000..b9fe99c
--- /dev/null
+++ b/src/tests/test_application.py
@@ -0,0 +1,74 @@
+# Copyright 2023 The Casdoor Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import unittest
+import datetime
+
+from src.casdoor import CasdoorSDK
+from src.casdoor.application import Application
+from src.tests.test_util import *
+
+
+class TestApplication(unittest.TestCase):
+    def setUp(self):
+        CasdoorSDK(TestEndpoint, TestClientId, TestClientSecret, TestJwtPublicKey, TestOrganization, TestApplication)
+
+    def test_application(self):
+        name = get_random_name("application")
+
+        # Add a new object
+        application = Application.new(
+            owner="admin",
+            name=name,
+            created_time=datetime.datetime.now().isoformat(),
+            display_name=name,
+            logo="https://cdn.casbin.org/img/casdoor-logo_1185x256.png",
+            homepage_url="https://casdoor.org",
+            description="Casdoor Website",
+            organization="casbin"
+        )
+
+        result, err = CasdoorSDK.add_application(application)
+        self.assertIsNone(err, f"Failed to add object: {err}")
+
+        # Get all objects, check if our added object is inside the list
+        applications, err = CasdoorSDK.get_applications()
+        self.assertIsNone(err, f"Failed to get objects: {err}")
+        names = [item.name for item in applications]
+        self.assertIn(name, names, "Added object not found in list")
+
+        # Get the object
+        retrieved_application, err = CasdoorSDK.get_application(name)
+        self.assertIsNone(err, f"Failed to get object: {err}")
+        self.assertEqual(retrieved_application.name, name)
+
+        # Update the object
+        updated_description = "Updated Casdoor Website"
+        application.description = updated_description
+        result, err = CasdoorSDK.update_application(application)
+        self.assertIsNone(err, f"Failed to update object: {err}")
+
+        # Validate the update
+        updated_application, err = CasdoorSDK.get_application(name)
+        self.assertIsNone(err, f"Failed to get updated object: {err}")
+        self.assertEqual(updated_application.description, updated_description)
+
+        # Delete the object
+        result, err = CasdoorSDK.delete_application(application)
+        self.assertIsNone(err, f"Failed to delete object: {err}")
+
+        # Validate the deletion
+        deleted_application, err = CasdoorSDK.get_application(name)
+        self.assertIsNone(err)
+        self.assertIsNone(deleted_application, "Failed to delete object, it's still retrievable")
diff --git a/src/tests/test_util.py b/src/tests/test_util.py
new file mode 100644
index 0000000..ddbf38f
--- /dev/null
+++ b/src/tests/test_util.py
@@ -0,0 +1,60 @@
+# Copyright 2023 The Casdoor Authors. All Rights Reserved.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+import random
+
+TestEndpoint = "https://demo.casdoor.com"
+TestClientId = "294b09fbc17f95daf2fe"
+TestClientSecret = "dd8982f7046ccba1bbd7851d5c1ece4e52bf039d"
+TestOrganization = "casbin"
+TestApplication = "app-vue-python-example"
+TestJwtPublicKey = '''-----BEGIN CERTIFICATE-----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+-----END CERTIFICATE-----'''
+
+
+def get_random_code(length):
+    std_nums = "0123456789"
+    result = ''.join(random.choice(std_nums) for _ in range(length))
+    return result
+
+
+def get_random_name(prefix):
+    return f"{prefix}_{get_random_code(6)}"