Merge pull request #33 from ddemidov/tests

Unit testing

Author: rhempel

.travis.yml

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+language: python
+python:
+    - 2.7
+
+sudo: false
+
+install:
+    - pip install PIL --allow-external PIL --allow-unverified PIL
+
+script:
+    - ./tests/api_tests.py

README.md

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+#!/usr/bin/env python
+import unittest, sys, os
+
+sys.path.append(os.path.join(os.path.dirname(__file__), '..'))
+
+import ev3dev
+
+ev3dev.Device.DEVICE_ROOT_PATH = os.path.join(os.path.dirname(__file__), 'fake_sys_class')
+
+class TestAPI(unittest.TestCase):
+    def test_device(self):
+        d = ev3dev.Device('tacho-motor', 'motor*')
+        self.assertTrue(d.connected)
+
+        d = ev3dev.Device('tacho-motor', 'motor0')
+        self.assertTrue(d.connected)
+
+        d = ev3dev.Device('tacho-motor', 'motor*', driver_name='lego-ev3-m-motor')
+        self.assertTrue(d.connected)
+
+        d = ev3dev.Device('tacho-motor', 'motor*', port_name='outA')
+        self.assertTrue(d.connected)
+
+        d = ev3dev.Device('tacho-motor', 'motor*', port_name='outA', driver_name='not-valid')
+        self.assertTrue(not d.connected)
+
+        d = ev3dev.Device('lego-sensor', 'sensor*')
+        self.assertTrue(d.connected)
+
+    def test_medium_motor(self):
+        m = ev3dev.MediumMotor()
+
+        self.assertTrue(m.connected);
+
+        self.assertEqual(m.count_per_rot,            360)
+        self.assertEqual(m.commands,                 ['run-forever', 'run-to-abs-pos', 'run-to-rel-pos', 'run-timed', 'run-direct', 'stop', 'reset'])
+        self.assertEqual(m.driver_name,              'lego-ev3-m-motor')
+        self.assertEqual(m.duty_cycle,               0)
+        self.assertEqual(m.duty_cycle_sp,            42)
+        self.assertEqual(m.encoder_polarity,         'normal')
+        self.assertEqual(m.polarity,                 'normal')
+        self.assertEqual(m.port_name,                'outA')
+        self.assertEqual(m.position,                 42)
+        self.assertEqual(m.position_sp,              42)
+        self.assertEqual(m.ramp_down_sp,             0)
+        self.assertEqual(m.ramp_up_sp,               0)
+        self.assertEqual(m.speed,                    0)
+        self.assertEqual(m.speed_regulation_enabled, 'off')
+        self.assertEqual(m.speed_sp,                 0)
+        self.assertEqual(m.state,                    [])
+        self.assertEqual(m.stop_command,             'coast')
+        self.assertEqual(m.time_sp,                  1000)
+
+        with self.assertRaises(Exception):
+            c = m.command
+
+    def test_infrared_sensor(self):
+        s = ev3dev.InfraredSensor()
+
+        self.assertTrue(s.connected)
+
+        self.assertEqual(s.bin_data_format, 's8')
+        self.assertEqual(s.bin_data('<b'),  (16,))
+        self.assertEqual(s.num_values,      1)
+        self.assertEqual(s.port_name,       'in1')
+        self.assertEqual(s.value(0),        16)
+
+if __name__ == "__main__":
+    unittest.main()

tests/README.md

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+s8

tests/api_tests.py

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+0