diff -Nru dnapi-1.1/debian/changelog dnapi-1.1/debian/changelog
--- dnapi-1.1/debian/changelog	2020-03-26 10:24:49.000000000 +0000
+++ dnapi-1.1/debian/changelog	2020-10-24 20:17:05.000000000 +0000
@@ -1,3 +1,11 @@
+dnapi (1.1-3) unstable; urgency=medium
+
+  * Team Upload.
+  * Add autopkgtests
+  * compat: 13
+
+ -- Nilesh Patra <npatra974@gmail.com>  Sun, 25 Oct 2020 01:47:05 +0530
+
 dnapi (1.1-2) unstable; urgency=medium
 
   * Team upload.
diff -Nru dnapi-1.1/debian/control dnapi-1.1/debian/control
--- dnapi-1.1/debian/control	2020-03-26 10:24:49.000000000 +0000
+++ dnapi-1.1/debian/control	2020-10-24 20:16:47.000000000 +0000
@@ -4,7 +4,7 @@
 Section: science
 Testsuite: autopkgtest-pkg-python
 Priority: optional
-Build-Depends: debhelper-compat (= 12),
+Build-Depends: debhelper-compat (= 13),
                dh-python,
                python3-setuptools,
                python3-all
diff -Nru dnapi-1.1/debian/dnapi.examples dnapi-1.1/debian/dnapi.examples
--- dnapi-1.1/debian/dnapi.examples	2020-03-26 10:24:49.000000000 +0000
+++ dnapi-1.1/debian/dnapi.examples	2020-10-24 20:08:33.000000000 +0000
@@ -1 +1,3 @@
 examples/*
+debian/tests/simple_test.py
+debian/tests/run-unit-test
diff -Nru dnapi-1.1/debian/tests/control dnapi-1.1/debian/tests/control
--- dnapi-1.1/debian/tests/control	1970-01-01 00:00:00.000000000 +0000
+++ dnapi-1.1/debian/tests/control	2020-10-24 19:50:24.000000000 +0000
@@ -0,0 +1,3 @@
+Tests: run-unit-test
+Depends: @, python3, python3-pytest
+Restrictions: allow-stderr
diff -Nru dnapi-1.1/debian/tests/run-unit-test dnapi-1.1/debian/tests/run-unit-test
--- dnapi-1.1/debian/tests/run-unit-test	1970-01-01 00:00:00.000000000 +0000
+++ dnapi-1.1/debian/tests/run-unit-test	2020-10-24 19:59:24.000000000 +0000
@@ -0,0 +1,38 @@
+#!/bin/bash
+set -e
+
+pkg="dnapi"
+
+if [ "$AUTOPKGTEST_TMP" = "" ] ; then
+  AUTOPKGTEST_TMP=`mktemp -d /tmp/${pkg}-test.XXXXXX`
+  trap "rm -rf $AUTOPKGTEST_TMP" 0 INT QUIT ABRT PIPE TERM
+fi
+
+cp -a /usr/share/doc/${pkg}/examples/* $AUTOPKGTEST_TMP
+
+cd $AUTOPKGTEST_TMP
+gunzip -r *
+
+function compare_ref()
+{
+	# $1: Test number
+	# $2, $3: values to be compared
+	echo "I: Test $1"
+	if [ "$2" = "$3" ]
+	then
+		echo "PASSED!"
+	else
+		echo "$2 is not equal to $3"
+		exit 1
+	fi
+}
+
+compare_ref 1 $(dnapi.py good.fq) TGGAATTCTCGG
+compare_ref 2 $(dnapi.py -k 8:11:1 -r 1.1:1.4:0.1 good.fq) TGGAATTCTCGG
+compare_ref 3 $(dnapi.py --show-all poor.fq | md5sum | awk '{print $1}') 1e4d27f27c0e2bb3ea80871105748d45
+compare_ref 4 $(dnapi.py -k 9 -r 1.4 good.fq) TGGAATTCTCGGGTGCCAAGGAACTCC
+
+echo "Testing python counterpart ..."
+python3 -m pytest -v simple_test.py
+echo "PASSED!"
+
diff -Nru dnapi-1.1/debian/tests/simple_test.py dnapi-1.1/debian/tests/simple_test.py
--- dnapi-1.1/debian/tests/simple_test.py	1970-01-01 00:00:00.000000000 +0000
+++ dnapi-1.1/debian/tests/simple_test.py	2020-10-24 20:14:05.000000000 +0000
@@ -0,0 +1,16 @@
+from dnapilib.apred import adapter_prediction
+from dnapilib.apred import iterative_adapter_prediction
+
+def test_functional():
+    iterative_result = iterative_adapter_prediction("good.fq", [1.2, 1.3, 1.4], [9, 11], 50000)
+    single_result = adapter_prediction("good.fq", 1.4, 9, 50000)
+
+
+    assert(iterative_result[0][0] == 'TGGAATTCTCGG')
+    assert(single_result[0][0] == 'TGGAATTCTCGGGTGCCAAGGAACTCC')
+
+    iterative_result = iterative_adapter_prediction("processed.fq", [1.2, 1.3, 1.4], [9, 11], 50000)
+    single_result = adapter_prediction("processed.fq", 1.4, 9, 50000)
+
+    assert([x[0] for x in iterative_result] == ['TCTGCCCAGTGCTCTG', 'TAATACTGCCTG', 'TGGCAGTGTCTT'])
+    assert([x[0] for x in single_result] == ['TAATACTGCCTGGTAATGATG', 'TGGCAGTGTCTTAGCTGGTTG', 'CTGCCCAGTGCTCTGAA'])