diff --git a/.travis.yml b/.travis.yml
index b29176b..0bae214 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,5 +1,10 @@
+sudo: false
 language: python
 python:
-  - "2.7"
-install: pip install -r requirements-dev.txt
-script: python setup.py install && pytest tests/unit-tests.py -x -s -v
+    - 2.7
+    - 3.7
+env:
+  - TOXENV=py-normal
+
+install: pip install tox
+script: tox
diff --git a/requirements-dev.txt b/requirements-dev.txt
index f564b2a..f581892 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -6,3 +6,6 @@ pep8-naming
 autoflake
 mccabe
 yapf
+tox
+coverage
+pytest-cov
diff --git a/setup.cfg b/setup.cfg
index be67302..b56a48d 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -26,3 +26,17 @@ no_spaces_around_selected_binary_operators = false
 split_penalty_import_names = 500
 join_multiple_lines = true
 
+[coverage:run]
+omit =
+    tests/*
+    src/*
+    setup.py
+    .tox/*
+    dist/*
+    **/celeryconfig.py
+    **/constants.py
+    **/migrations/*
+    **/__init__.py
+    app.py
+    **/env.py
+    **/urls.py
diff --git a/tests/unit-tests.py b/tests/tests.py
similarity index 97%
rename from tests/unit-tests.py
rename to tests/tests.py
index cbdb2fc..41f6fe8 100644
--- a/tests/unit-tests.py
+++ b/tests/tests.py
@@ -9,9 +9,6 @@ import os
 
 from mega import Mega
 
-email = os.environ['EMAIL']
-password = os.environ['PASS']
-
 mega = Mega()
 # anonymous login
 m = mega.login()
diff --git a/tox.ini b/tox.ini
new file mode 100644
index 0000000..581e6f6
--- /dev/null
+++ b/tox.ini
@@ -0,0 +1,11 @@
+[tox]
+envlist = py{27,37}-normal,lint
+
+[testenv]
+commands =
+    flake8 {toxinidir}/src/
+    coverage erase
+    PYTHONPATH=. pytest --cov=. {toxinidir}/tests/tests.py
+
+deps =
+    -rrequirements-dev.txt