Added 'private', 'public', 'reserved' test plugins (#72)

Added 'private', 'public', 'reserved' test plugins

Reviewed-by: https://github.com/apps/ansible-zuul

README.md

@@ -64,6 +64,9 @@ Name | Description
 [ansible.utils.loopback](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.loopback_test.rst)|Test if an IP address is a loopback
 [ansible.utils.mac](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.mac_test.rst)|Test if something appears to be a valid MAC address
 [ansible.utils.multicast](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.multicast_test.rst)|Test for a multicast IP address
+[ansible.utils.private](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.private_test.rst)|Test if an IP address is private
+[ansible.utils.public](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.public_test.rst)|Test if an IP address is public
+[ansible.utils.reserved](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.reserved_test.rst)|Test for a reserved IP address
 [ansible.utils.validate](https://github.com/ansible-collections/ansible.utils/blob/main/docs/ansible.utils.validate_test.rst)|Validate data with provided criteria
 
 <!--end collection content-->

changelogs/fragments/add_netaddr_test_plugins_6.yml

@@ -0,0 +1,3 @@
+---
+minor_changes:
+  - Add private, public, reserved test plugins

docs/ansible.utils.private_test.rst

@@ -0,0 +1,136 @@
+.. _ansible.utils.private_test:
+
+
+*********************
+ansible.utils.private
+*********************
+
+**Test if an IP address is private**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- This plugin checks if the provided value is a private IP address
+
+
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+                <th>Configuration</th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ip</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>A string that represents the value against which the test is going to be performed</div>
+                        <div>{&#x27;For example&#x27;: [&#x27;10.1.1.1&#x27;, &#x27;8.8.8.8&#x27;, &#x27;192.168.1.250&#x27;]}</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    - name: Check if 10.1.1.1 is a private IP address
+      ansible.builtin.set_fact:
+        data: "{{ '10.1.1.1' is ansible.utils.private }}"
+
+    # TASK [Check if 10.1.1.1 is a private IP address] *******************************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+    - name: Check if 8.8.8.8 is not a private IP address
+      ansible.builtin.set_fact:
+        data: "{{ '8.8.8.8' is not ansible.utils.private }}"
+
+    # TASK [Check if 8.8.8.8 is not a private IP address] ******************************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this test:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>data</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td></td>
+                <td>
+                            <div>If jinja test satisfies plugin expression <code>true</code></div>
+                            <div>If jinja test does not satisfy plugin expression <code>false</code></div>
+                    <br/>
+                </td>
+            </tr>
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Priyam Sahoo (@priyamsahoo)
+
+
+.. hint::
+    Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.

docs/ansible.utils.public_test.rst

@@ -0,0 +1,136 @@
+.. _ansible.utils.public_test:
+
+
+********************
+ansible.utils.public
+********************
+
+**Test if an IP address is public**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- This plugin checks if the provided value is a public IP address
+
+
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+                <th>Configuration</th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ip</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>A string that represents the value against which the test is going to be performed</div>
+                        <div>{&#x27;For example&#x27;: [&#x27;8.8.8.8&#x27;, &#x27;10.1.1.1&#x27;, &#x27;192.168.1.250&#x27;]}</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    - name: Check if 8.8.8.8 is a public IP address
+      ansible.builtin.set_fact:
+        data: "{{ '8.8.8.8' is ansible.utils.public }}"
+
+    # TASK [Check if 8.8.8.8 is a public IP address] *********************************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+    - name: Check if 10.1.1.1 is not a public IP address
+      ansible.builtin.set_fact:
+        data: "{{ '10.1.1.1' is not ansible.utils.public }}"
+
+    # TASK [Check if 10.1.1.1 is not a public IP address] ******************************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this test:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>data</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td></td>
+                <td>
+                            <div>If jinja test satisfies plugin expression <code>true</code></div>
+                            <div>If jinja test does not satisfy plugin expression <code>false</code></div>
+                    <br/>
+                </td>
+            </tr>
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Priyam Sahoo (@priyamsahoo)
+
+
+.. hint::
+    Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.

docs/ansible.utils.reserved_test.rst

@@ -0,0 +1,136 @@
+.. _ansible.utils.reserved_test:
+
+
+**********************
+ansible.utils.reserved
+**********************
+
+**Test for a reserved IP address**
+
+
+Version added: 2.2.0
+
+.. contents::
+   :local:
+   :depth: 1
+
+
+Synopsis
+--------
+- This plugin checks if the provided value is a reserved IP address
+
+
+
+
+Parameters
+----------
+
+.. raw:: html
+
+    <table  border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Parameter</th>
+            <th>Choices/<font color="blue">Defaults</font></th>
+                <th>Configuration</th>
+            <th width="100%">Comments</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="parameter-"></div>
+                    <b>ip</b>
+                    <a class="ansibleOptionLink" href="#parameter-" title="Permalink to this option"></a>
+                    <div style="font-size: small">
+                        <span style="color: purple">string</span>
+                         / <span style="color: red">required</span>
+                    </div>
+                </td>
+                <td>
+                </td>
+                    <td>
+                    </td>
+                <td>
+                        <div>A string that represents the value against which the test is going to be performed</div>
+                        <div>{&#x27;For example&#x27;: [&#x27;253.0.0.1&#x27;, &#x27;128.146.1.7&#x27;]}</div>
+                </td>
+            </tr>
+    </table>
+    <br/>
+
+
+
+
+Examples
+--------
+
+.. code-block:: yaml
+
+    - name: Check if 253.0.0.1 is a reserved IP address
+      ansible.builtin.set_fact:
+        data: "{{ '253.0.0.1' is ansible.utils.reserved }}"
+
+    # TASK [Check if 253.0.0.1 is a reserved IP address] *****************************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+    - name: Check if 128.146.1.7 is not a reserved IP address
+      ansible.builtin.set_fact:
+        data: "{{ '128.146.1.7' is not ansible.utils.reserved }}"
+
+    # TASK [Check if 128.146.1.7 is not a reserved IP address] ***********************
+    # ok: [localhost] => {
+    #     "ansible_facts": {
+    #         "data": true
+    #     },
+    #     "changed": false
+    # }
+
+
+
+Return Values
+-------------
+Common return values are documented `here <https://docs.ansible.com/ansible/latest/reference_appendices/common_return_values.html#common-return-values>`_, the following are the fields unique to this test:
+
+.. raw:: html
+
+    <table border=0 cellpadding=0 class="documentation-table">
+        <tr>
+            <th colspan="1">Key</th>
+            <th>Returned</th>
+            <th width="100%">Description</th>
+        </tr>
+            <tr>
+                <td colspan="1">
+                    <div class="ansibleOptionAnchor" id="return-"></div>
+                    <b>data</b>
+                    <a class="ansibleOptionLink" href="#return-" title="Permalink to this return value"></a>
+                    <div style="font-size: small">
+                      <span style="color: purple">-</span>
+                    </div>
+                </td>
+                <td></td>
+                <td>
+                            <div>If jinja test satisfies plugin expression <code>true</code></div>
+                            <div>If jinja test does not satisfy plugin expression <code>false</code></div>
+                    <br/>
+                </td>
+            </tr>
+    </table>
+    <br/><br/>
+
+
+Status
+------
+
+
+Authors
+~~~~~~~
+
+- Priyam Sahoo (@priyamsahoo)
+
+
+.. hint::
+    Configuration entries for each entry type have a low to high priority order. For example, a variable that is lower in the list will override a variable that is higher up.

plugins/test/private.py

@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Test plugin file for netaddr tests: private
+"""
+
+from __future__ import absolute_import, division, print_function
+from ansible_collections.ansible.utils.plugins.plugin_utils.base.ipaddress_utils import (
+    ip_address,
+    _need_ipaddress,
+    _validate_args,
+)
+
+__metaclass__ = type
+
+DOCUMENTATION = """
+    name: private
+    author: Priyam Sahoo (@priyamsahoo)
+    version_added: "2.2.0"
+    short_description: Test if an IP address is private
+    description:
+        - This plugin checks if the provided value is a private IP address
+    options:
+        ip:
+            description:
+            - A string that represents the value against which the test is going to be performed
+            - For example:
+                - "10.1.1.1"
+                - "8.8.8.8"
+                - "192.168.1.250"
+            type: str
+            required: True
+    notes:
+"""
+
+EXAMPLES = r"""
+
+- name: Check if 10.1.1.1 is a private IP address
+  ansible.builtin.set_fact:
+    data: "{{ '10.1.1.1' is ansible.utils.private }}"
+
+# TASK [Check if 10.1.1.1 is a private IP address] *******************************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+- name: Check if 8.8.8.8 is not a private IP address
+  ansible.builtin.set_fact:
+    data: "{{ '8.8.8.8' is not ansible.utils.private }}"
+
+# TASK [Check if 8.8.8.8 is not a private IP address] ******************************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+"""
+
+RETURN = """
+  data:
+    description:
+      - If jinja test satisfies plugin expression C(true)
+      - If jinja test does not satisfy plugin expression C(false)
+"""
+
+
+@_need_ipaddress
+def _private(ip):
+    """ Test if an IP address is private """
+
+    params = {"ip": ip}
+    _validate_args("private", DOCUMENTATION, params)
+
+    try:
+        return ip_address(ip).is_private
+    except Exception:
+        return False
+
+
+class TestModule(object):
+    """ network jinja test"""
+
+    test_map = {"private": _private}
+
+    def tests(self):
+        return self.test_map

plugins/test/public.py

@@ -0,0 +1,94 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Test plugin file for netaddr tests: public
+"""
+
+from __future__ import absolute_import, division, print_function
+from ansible_collections.ansible.utils.plugins.plugin_utils.base.ipaddress_utils import (
+    ip_address,
+    _need_ipaddress,
+    _validate_args,
+)
+
+__metaclass__ = type
+
+DOCUMENTATION = """
+    name: public
+    author: Priyam Sahoo (@priyamsahoo)
+    version_added: "2.2.0"
+    short_description: Test if an IP address is public
+    description:
+        - This plugin checks if the provided value is a public IP address
+    options:
+        ip:
+            description:
+            - A string that represents the value against which the test is going to be performed
+            - For example:
+                - "8.8.8.8"
+                - "10.1.1.1"
+                - "192.168.1.250"
+            type: str
+            required: True
+    notes:
+"""
+
+EXAMPLES = r"""
+
+- name: Check if 8.8.8.8 is a public IP address
+  ansible.builtin.set_fact:
+    data: "{{ '8.8.8.8' is ansible.utils.public }}"
+
+# TASK [Check if 8.8.8.8 is a public IP address] *********************************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+- name: Check if 10.1.1.1 is not a public IP address
+  ansible.builtin.set_fact:
+    data: "{{ '10.1.1.1' is not ansible.utils.public }}"
+
+# TASK [Check if 10.1.1.1 is not a public IP address] ******************************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+"""
+
+RETURN = """
+  data:
+    description:
+      - If jinja test satisfies plugin expression C(true)
+      - If jinja test does not satisfy plugin expression C(false)
+"""
+
+
+@_need_ipaddress
+def _public(ip):
+    """ Test if an IP address is public """
+
+    params = {"ip": ip}
+    _validate_args("public", DOCUMENTATION, params)
+
+    try:
+        return ip_address(ip).is_global
+    except Exception:
+        return False
+
+
+class TestModule(object):
+    """ network jinja test"""
+
+    test_map = {"public": _public}
+
+    def tests(self):
+        return self.test_map

plugins/test/reserved.py

@@ -0,0 +1,93 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Test plugin file for netaddr tests: reserved
+"""
+
+from __future__ import absolute_import, division, print_function
+from ansible_collections.ansible.utils.plugins.plugin_utils.base.ipaddress_utils import (
+    ip_address,
+    _need_ipaddress,
+    _validate_args,
+)
+
+__metaclass__ = type
+
+DOCUMENTATION = """
+    name: reserved
+    author: Priyam Sahoo (@priyamsahoo)
+    version_added: "2.2.0"
+    short_description: Test for a reserved IP address
+    description:
+        - This plugin checks if the provided value is a reserved IP address
+    options:
+        ip:
+            description:
+            - A string that represents the value against which the test is going to be performed
+            - For example:
+                - "253.0.0.1"
+                - "128.146.1.7"
+            type: str
+            required: True
+    notes:
+"""
+
+EXAMPLES = r"""
+
+- name: Check if 253.0.0.1 is a reserved IP address
+  ansible.builtin.set_fact:
+    data: "{{ '253.0.0.1' is ansible.utils.reserved }}"
+
+# TASK [Check if 253.0.0.1 is a reserved IP address] *****************************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+- name: Check if 128.146.1.7 is not a reserved IP address
+  ansible.builtin.set_fact:
+    data: "{{ '128.146.1.7' is not ansible.utils.reserved }}"
+
+# TASK [Check if 128.146.1.7 is not a reserved IP address] ***********************
+# ok: [localhost] => {
+#     "ansible_facts": {
+#         "data": true
+#     },
+#     "changed": false
+# }
+
+"""
+
+RETURN = """
+  data:
+    description:
+      - If jinja test satisfies plugin expression C(true)
+      - If jinja test does not satisfy plugin expression C(false)
+"""
+
+
+@_need_ipaddress
+def _reserved(ip):
+    """ Test for a reserved IP address """
+
+    params = {"ip": ip}
+    _validate_args("reserved", DOCUMENTATION, params)
+
+    try:
+        return ip_address(ip).is_reserved
+    except Exception:
+        return False
+
+
+class TestModule(object):
+    """ network jinja test"""
+
+    test_map = {"reserved": _reserved}
+
+    def tests(self):
+        return self.test_map

tests/integration/targets/netaddr_test/tasks/include/private.yml

@@ -0,0 +1,12 @@
+---
+- name: "private: Check if 10.1.1.1 is a private IP address"
+  assert:
+    that: "{{ '10.1.1.1' is ansible.utils.private }}"
+
+- name: "private: Test invalidness"
+  ansible.builtin.set_fact:
+    criteria_check: "{{ '8.8.8.8' is ansible.utils.private }}"
+
+- name: "private: Assert invalidness"
+  assert:
+    that: "{{ criteria_check == false }}"

tests/integration/targets/netaddr_test/tasks/include/public.yml

@@ -0,0 +1,12 @@
+---
+- name: "public: Check if 8.8.8.8 is a public IP address"
+  assert:
+    that: "{{ '8.8.8.8' is ansible.utils.public }}"
+
+- name: "public: Test invalidness"
+  ansible.builtin.set_fact:
+    criteria_check: "{{ '10.1.1.1' is ansible.utils.public }}"
+
+- name: "public: Assert invalidness"
+  assert:
+    that: "{{ criteria_check == false }}"

tests/integration/targets/netaddr_test/tasks/include/reserved.yml

@@ -0,0 +1,12 @@
+---
+- name: "reserved: Check if 253.0.0.1 is a reserved IP address"
+  assert:
+    that: "{{ '253.0.0.1' is ansible.utils.reserved }}"
+
+- name: "reserved: Test invalidness"
+  ansible.builtin.set_fact:
+    criteria_check: "{{ '128.146.1.7' is ansible.utils.reserved }}"
+
+- name: "reserved: Assert invalidness"
+  assert:
+    that: "{{ criteria_check == false }}"

tests/unit/plugins/test/test_private.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Unit test file for netaddr test plugin: private
+"""
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import unittest
+from ansible_collections.ansible.utils.plugins.test.private import _private
+
+
+class TestPrivate(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def test_invalid_data(self):
+        """Check passing invalid argspec"""
+
+        # missing argument
+        with self.assertRaises(TypeError) as error:
+            _private()
+        self.assertIn("argument", str(error.exception))
+
+    def test_valid_data(self):
+        """Check passing valid data as per criteria"""
+
+        result = _private(ip="10.1.1.1")
+        self.assertEqual(result, True)
+
+        result = _private(ip="8.8.8.8")
+        self.assertEqual(result, False)
+
+        result = _private(ip="string")
+        self.assertEqual(result, False)

tests/unit/plugins/test/test_public.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Unit test file for netaddr test plugin: public
+"""
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import unittest
+from ansible_collections.ansible.utils.plugins.test.public import _public
+
+
+class TestPublic(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def test_invalid_data(self):
+        """Check passing invalid argspec"""
+
+        # missing argument
+        with self.assertRaises(TypeError) as error:
+            _public()
+        self.assertIn("argument", str(error.exception))
+
+    def test_valid_data(self):
+        """Check passing valid data as per criteria"""
+
+        result = _public(ip="8.8.8.8")
+        self.assertEqual(result, True)
+
+        result = _public(ip="10.1.1.1")
+        self.assertEqual(result, False)
+
+        result = _public(ip="string")
+        self.assertEqual(result, False)

tests/unit/plugins/test/test_reserved.py

@@ -0,0 +1,40 @@
+# -*- coding: utf-8 -*-
+# Copyright 2021 Red Hat
+# GNU General Public License v3.0+
+# (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
+
+"""
+Unit test file for netaddr test plugin: reserved
+"""
+
+from __future__ import absolute_import, division, print_function
+
+__metaclass__ = type
+
+import unittest
+from ansible_collections.ansible.utils.plugins.test.reserved import _reserved
+
+
+class TestReserved(unittest.TestCase):
+    def setUp(self):
+        pass
+
+    def test_invalid_data(self):
+        """Check passing invalid argspec"""
+
+        # missing argument
+        with self.assertRaises(TypeError) as error:
+            _reserved()
+        self.assertIn("argument", str(error.exception))
+
+    def test_valid_data(self):
+        """Check passing valid data as per criteria"""
+
+        result = _reserved(ip="253.0.0.1")
+        self.assertEqual(result, True)
+
+        result = _reserved(ip="128.146.1.7")
+        self.assertEqual(result, False)
+
+        result = _reserved(ip="string")
+        self.assertEqual(result, False)