@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+from os import environ
+
+import pytest
+
+from mss import mss as MSS
+
+
+def pytest_addoption(parser):
+    txt = 'Display to use (examples: ":0.1", ":0" [default])'
+    parser.addoption('--display', action='store', default=':0', help=txt)
+
+
+@pytest.fixture(scope='session')
+def display(request):
+    return request.config.getoption('--display')
+
+
+@pytest.fixture(scope='module')
+def mss(display):
+    try:
+        # display keyword is only for GNU/Linux
+        return MSS(display=display)
+    except TypeError:
+        return MSS()
+
+
+@pytest.fixture(scope='session')
+def is_travis():
+    return 'TRAVIS' in environ
@@ -0,0 +1,18 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+
+def test_attribute_image(mss):
+    assert mss.image is None
+
+
+def test_attribute_monitors(mss):
+    assert mss.monitors == []
+
+
+def test_attribute_width(mss):
+    assert mss.width == 0
+
+
+def test_attribute_height(mss):
+    assert mss.height == 0
@@ -0,0 +1,38 @@
+#!/usr/bin/env python
+# coding: utf-8
+
+
+def test_get_monitors(mss):
+    monitors = mss.enum_display_monitors()
+    assert monitors is mss.monitors
+    assert monitors
+
+
+def test_keys_aio(mss):
+    all_monitors = mss.monitors[0]
+    assert 'top' in all_monitors
+    assert 'left' in all_monitors
+    assert 'height' in all_monitors
+    assert 'width' in all_monitors
+
+
+def test_keys_monitor_1(mss):
+    mon1 = mss.monitors[1]
+    assert 'top' in mon1
+    assert 'left' in mon1
+    assert 'height' in mon1
+    assert 'width' in mon1
+
+
+def test_dimensions(mss, is_travis):
+    width = 1280 if is_travis else 0
+    height = 1024 if is_travis else 0
+    for mon in mss.monitors:
+        assert mon['width'] >= width
+        assert mon['height'] >= height
+
+
+def test_get_monitors_force(mss):
+    monitors = mss.enum_display_monitors(force=True)
+    assert monitors is mss.monitors
+    assert monitors