--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/py/test.py	Mon Nov 26 23:21:03 2012 +0800
@@ -0,0 +1,27 @@
+import unittest
+import sensor_ds18b20
+
+class TestSensors(unittest.TestCase):
+    def setUp(self):
+        self.sensors = sensor_ds18b20.DS18B20s(None)
+
+    def test_re(self):
+        f1 = """6e 01 4b 46 7f ff 02 10 71 : crc=71 YES
+6e 01 4b 46 7f ff 02 10 71 t=22875
+"""
+        val = self.sensors.do_sensor_name('blank', f1)
+        self.assertEqual(val, 22.875)
+
+        f2 = """6e 01 4b 46 7f ff 02 10 71 : crc=71 NO
+6e 01 4b 46 7f ff 02 10 71 t=22875
+"""
+        val = self.sensors.do_sensor_name('blank', f2)
+        self.assertEqual(val, None)
+
+        f3 = """6e 01 4b 46 7f ff 02 10 71 : crc=71 YES
+6e 01 4b 46 7f ff 02 10 71 t=-1
+"""
+        val = self.sensors.do_sensor_name('blank', f3)
+        self.assertEqual(val, -0.001)
+
+unittest.main()