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authornobody <nobody@f19166aa-fa4f-0410-85c2-fa1106f25c8a>2003-03-19 02:33:55 +0000
committernobody <nobody@f19166aa-fa4f-0410-85c2-fa1106f25c8a>2003-03-19 02:33:55 +0000
commitd753d70c9841174cc935008631012d60b549b3a8 (patch)
tree210bcfe125f57fb3238f79d43e1a7b491fc4e42c /pyserial/examples/test.py
parent49a8ecf01ee3800a46ad53f11abef5ebf198d8e4 (diff)
downloadpyserial-git-release0_1.tar.gz
This commit was manufactured by cvs2svn to create tag 'release0_1'.release0_1
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-#!/usr/bin/env python
-"""Some Tests for the serial module.
-part of pyserial (http://pyserial.sf.net) (C)2002 cliechti@gmx.net
-
-intended to be run on different platforms, to ensure portability of
-the code.
-
-for all these tests a simple hardware is required.
-Loopback HW adapter:
-shortcut these pin pairs:
- TX <-> RX
- RTS <-> CTS
- DTR <-> DSR
-
-on a 9 pole DSUB these are the pins (2-3) (4-6) (7-8)
-
-"""
-
-import unittest, threading, time
-import serial
-
-#of which port should the tests be performed:
-PORT=0
-
-
-class Test4_Nonblocking(unittest.TestCase):
- """Test with timeouts"""
- timeout=0
- def setUp(self):
- self.s = serial.Serial(PORT,timeout=self.timeout)
- def tearDown(self):
- self.s.close()
-
- def test0_Messy(self):
- """NonBlocking (timeout=0)"""
- #this is only here to write out the message in verbose mode
- #because Test3 and Test4 print the same messages
-
- def test1_ReadEmpty(self):
- """timeout: After port open, the input buffer must be empty"""
- self.failUnless(self.s.read(1)=='', "expected empty buffer")
- def test2_Loopback(self):
- """timeout: each sent character should return (binary test).
- this is also a test for the binary capability of a port."""
- for c in map(chr,range(256)):
- self.s.write(c)
- time.sleep(0.02) #there might be a small delay until the character is ready (especialy on win32)
- self.failUnless(self.s.inWaiting()==1, "expected exactly one character for inWainting()")
- self.failUnless(self.s.read(1)==c, "expected an '%s' which was written before" % c)
- self.failUnless(self.s.read(1)=='', "expected empty buffer after all sent chars are read")
- def test2_LoopbackTimeout(self):
- """timeout: test the timeout/immediate return.
- partial results should be returned."""
- self.s.write("HELLO")
- time.sleep(0.02) #there might be a small delay until the character is ready (especialy on win32)
- #read more characters as are available to run in the timeout
- self.failUnless(self.s.read(10)=='HELLO', "expected an 'HELLO' which was written before")
- self.failUnless(self.s.read(1)=='', "expected empty buffer after all sent chars are read")
-
-
-class Test3_Timeout(Test4_Nonblocking):
- """Same tests as the NonBlocking ones but this time with timeout"""
- timeout=1
- def test0_Messy(self):
- """Blocking (timeout=1)"""
- #this is only here to write out the message in verbose mode
- #because Test3 and Test4 print the same messages
-
-class SendEvent(threading.Thread):
- def __init__(self, serial, delay=1):
- threading.Thread.__init__(self)
- self.serial = serial
- self.delay = delay
- self.x = threading.Event()
- self.stopped = 0
- self.start()
- def run(self):
- time.sleep(self.delay)
- if not self.stopped:
- self.serial.write("E")
- self.x.set()
- def isSet(self):
- return self.x.isSet()
- def stop(self):
- self.stopped = 1
- self.x.wait()
-
-class Test1_Forever(unittest.TestCase):
- """Tests a port with no timeout. These tests require that a
- character is sent after some time to stop the test, this is done
- through the SendEvent class and the Loopback HW."""
- def setUp(self):
- self.s = serial.Serial(PORT,timeout=None)
- self.event = SendEvent(self.s)
- def tearDown(self):
- self.event.stop()
- self.s.close()
-
- def test2_ReadEmpty(self):
- """no timeout: after port open, the input buffer must be empty (read).
- a character is sent after some time to terminate the test (SendEvent)."""
- c = self.s.read(1)
- if not (self.event.isSet() and c =='E'):
- self.fail("expected marker")
-
-class Test2_Forever(unittest.TestCase):
- """Tests a port with no timeout"""
- def setUp(self):
- self.s = serial.Serial(PORT,timeout=None)
- def tearDown(self):
- self.s.close()
-
- def test1_inWaitingEmpty(self):
- """no timeout: after port open, the input buffer must be empty (inWaiting)"""
- self.failUnless(self.s.inWaiting()==0, "expected empty buffer")
-
- def test2_Loopback(self):
- """no timeout: each sent character should return (binary test).
- this is also a test for the binary capability of a port."""
- for c in map(chr,range(256)):
- self.s.write(c)
- time.sleep(0.02) #there might be a small delay until the character is ready (especialy on win32)
- self.failUnless(self.s.inWaiting()==1, "expected exactly one character for inWainting()")
- self.failUnless(self.s.read(1)==c, "expected an '%s' which was written before" % c)
- self.failUnless(self.s.inWaiting()==0, "expected empty buffer after all sent chars are read")
-
-
-class Test0_DataWires(unittest.TestCase):
- """Test modem control lines"""
- def setUp(self):
- self.s = serial.Serial(PORT)
- def tearDown(self):
- self.s.close()
-
- def test1_RTS(self):
- """Test RTS/CTS"""
- self.s.setRTS(0)
- self.failUnless(self.s.getCTS()==0, "CTS -> 0")
- self.s.setRTS(1)
- self.failUnless(self.s.getCTS()==1, "CTS -> 1")
-
- def test2_DTR(self):
- """Test DTR/DSR"""
- self.s.setDTR(0)
- self.failUnless(self.s.getDSR()==0, "DSR -> 0")
- self.s.setDTR(1)
- self.failUnless(self.s.getDSR()==1, "DSR -> 1")
-
- def test3_RI(self):
- """Test RI"""
- self.failUnless(self.s.getRI()==0, "RI -> 0")
-
-if __name__ == '__main__':
- import sys
- print __doc__
- print "testing port", PORT
- sys.argv.append('-v')
- # When this module is executed from the command-line, run all its tests
- unittest.main()