diff --git a/.drone.yml b/.drone.yml
index 51cbf3f..46509f9 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -1,3 +1,21 @@
+---
+kind: pipeline
+type: docker
+name: Test
+
+
+platform:
+  os: linux
+  arch: amd64
+
+steps:
+  - name: Run unit tests
+    image: python:3.10-alpine
+    commands:
+      - pip install -r requirements.txt
+      - pip install -r requirements-test.txt
+      - python3 -m unittest tests/test_*.py -v
+
 ---
 kind: pipeline
 type: docker
@@ -99,6 +117,6 @@ volumes:
 
 ---
 kind: signature
-hmac: d3088aaf784f4eaac3223f43a86a19bfccff416fd854351c527d785002ae2c26
+hmac: 65e2dbf1e3ea133f91518bee0532663a3e3941d05c8335114141910dcca8f660
 
 ...
diff --git a/tests/__init__.py b/tests/__init__.py
new file mode 100644
index 0000000..0d30d3a
--- /dev/null
+++ b/tests/__init__.py
@@ -0,0 +1,2 @@
+from src.logger import logger
+logger.setLevel('WARNING')
diff --git a/tests/test_cloudflare_dns_record_ip.py b/tests/test_cloudflare_dns_record_ip.py
new file mode 100644
index 0000000..8f5014f
--- /dev/null
+++ b/tests/test_cloudflare_dns_record_ip.py
@@ -0,0 +1,80 @@
+import re
+import unittest
+import responses
+from src.main import cloudflareDDNS
+
+MOCK_IP = '44.208.147.61'
+CLOUDFLARE_GET_RECORDS_URL = re.compile(
+    r"https\:\/\/api.cloudflare.com\/client\/v4\/zones\/\w*\/dns_records\?type\=A")
+CLOUDFLARE_ADDR_RECORD_EXISTS_RESPONSE = {
+    'success': True,
+    'result': [{
+        'content': MOCK_IP,
+        'name': 'addr.',
+        'id': 'id',
+        'ttl': 86400,
+        'proxied': True
+    }]
+}
+CLOUDFLARE_ADDR_RECORD_NONEXISTANT_RESPONSE = {
+    'success': True,
+    'result': [{
+        'content': MOCK_IP,
+        'name': None,
+        'id': 'id',
+        'ttl': 86400,
+        'proxied': True
+    }]
+}
+CLOUDFLARE_500_RESPONSE = {
+    'success': False,
+    'errors': 'someerror'
+}
+
+
+class TestCloudflareDNSRecordIP(unittest.TestCase):
+
+    @responses.activate
+    def test_successfull_response(self):
+        responses.add(responses.GET, CLOUDFLARE_GET_RECORDS_URL,
+                      json=CLOUDFLARE_ADDR_RECORD_EXISTS_RESPONSE, status=200)
+
+        ip = cloudflareDDNS()
+
+        self.assertEqual(MOCK_IP, ip)
+
+    @responses.activate
+    def test_addr_record_exists(self):
+        responses.add(responses.GET, CLOUDFLARE_GET_RECORDS_URL,
+                      json=CLOUDFLARE_ADDR_RECORD_NONEXISTANT_RESPONSE,
+                      status=200)
+
+        self.assertRaises(Exception, cloudflareDDNS)
+
+    @responses.activate
+    def test_cloudflare_500_response(self):
+        responses.add(responses.GET, CLOUDFLARE_GET_RECORDS_URL,
+                      json=CLOUDFLARE_500_RESPONSE,
+                      status=500)
+
+        self.assertRaises(Exception, cloudflareDDNS)
+
+    @responses.activate
+    def test_cloudflare_empty_200_response(self):
+        responses.add(responses.GET, CLOUDFLARE_GET_RECORDS_URL,
+                      json={},
+                      status=500)
+
+        self.assertRaises(Exception, cloudflareDDNS)
+
+    @responses.activate
+    def test_cloudflare_empty_500_response(self):
+        responses.add(responses.GET, CLOUDFLARE_GET_RECORDS_URL,
+                      json={},
+                      status=500)
+
+        self.assertRaises(Exception, cloudflareDDNS)
+
+
+if __name__ == '__main__':
+    unittest.main()
diff --git a/tests/test_ip_address.py b/tests/test_ip_address.py
new file mode 100644
index 0000000..81a9974
--- /dev/null
+++ b/tests/test_ip_address.py
@@ -0,0 +1,33 @@
+import unittest
+from src.main import validIP
+
+MOCK_IP = "44.208.147.61"
+
+
+class TestIPAddress(unittest.TestCase):
+    def test_valid_ip(self):
+        self.assertTrue(validIP(MOCK_IP))
+
+    def test_invalid_ip(self):
+        ip = "256.0.0.1"
+        self.assertFalse(validIP(ip))
+
+    def test_invalid_format(self):
+        ip = "192.168.1"
+        self.assertFalse(validIP(ip))
+
+    def test_empty_string(self):
+        ip = ""
+        self.assertFalse(validIP(ip))
+
+    def test_error_looking_string(self):
+        ip = "upstream connect error or disconnect/reset before headers. reset reason: connection timeout."
+        self.assertFalse(validIP(ip))
+
+    def test_none(self):
+        ip = None
+        self.assertFalse(validIP(ip))
+
+
+if __name__ == "__main__":
+    unittest.main()
diff --git a/tests/test_public_ip.py b/tests/test_public_ip.py
new file mode 100644
index 0000000..5bc1a91
--- /dev/null
+++ b/tests/test_public_ip.py
@@ -0,0 +1,40 @@
+import unittest
+import responses
+from src.main import publicAddress
+
+MOCK_IP = '44.208.147.61'
+MOCK_TIMEOUT = 'upstream connect error or disconnect/reset before headers. reset reason: connection timeout.'
+
+
+class TestPublicAddress(unittest.TestCase):
+
+    @responses.activate
+    def test_successfull_response(self):
+        responses.add(responses.GET, 'https://ifconfig.me',
+                      body=MOCK_IP, status=200)
+
+        ip = publicAddress()
+
+        self.assertEqual(MOCK_IP, ip)
+
+    @responses.activate
+    def test_timeout_response(self):
+        responses.add(responses.GET, 'https://ifconfig.me',
+                      body=MOCK_TIMEOUT, status=500)
+
+        ip = publicAddress()
+
+        self.assertIsNone(ip)
+
+    @responses.activate
+    def test_mangled_response(self):
+        responses.add(responses.GET, 'https://ifconfig.me',
+                      body='123.22', status=200)
+
+        ip = publicAddress()
+
+        self.assertIsNone(ip)
+
+
+if __name__ == '__main__':
+    unittest.main()