mirror of
https://github.com/rzzzwilson/pymlac.git
synced 2025-06-10 09:32:41 +00:00
144 lines
2.8 KiB
Python
Executable File
144 lines
2.8 KiB
Python
Executable File
"""
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Test the pymlac TTY output device.
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Usage: test_TTYOUT.py <options>
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where <options> is zero or more of:
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-h print this help and stop
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"""
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import TtyOut
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# count of errors found
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ErrorCount = 0
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# module global constants
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TtyFilename = '_#TTY#_.ptp'
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def error(msg):
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global ErrorCount
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ErrorCount += 1
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print(msg)
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def create_tty_file(filename):
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"""Create a TTY file."""
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# create a test file
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with open(filename, 'wb') as fd:
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# leader
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for _ in range(16):
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fd.write(chr(0))
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for v in range(1, 33):
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fd.write(chr(v))
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def no_mounted_file():
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ttyout = TtyOut.TtyOut()
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# write without mounting
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val = ttyout.write(0)
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# dismount
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ttyout.dismount()
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def mount_dismount(filename):
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"""Just mount then dismount file."""
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print('mount_dismount: filename=%s' % str(filename))
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ttyout = TtyOut.TtyOut()
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ttyout.mount(filename)
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ttyout.dismount()
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def write_tty(filename):
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"""Mount a file and write to it."""
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ttyout = TtyOut.TtyOut()
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ttyout.mount(filename)
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# write leader
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count = 0
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while count < 16:
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while not ttyout.ready():
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ttyout.tick(1)
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#byte = ttyout.write(chr(0))
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byte = ttyout.write(0)
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ttyout.clear()
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count += 1
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print('wrote %d bytes of leader' % count)
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# write body
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count = 0
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while count < 32:
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while not ttyout.ready():
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ttyout.tick(1)
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#ttyout.write(chr(1))
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ttyout.write(1)
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ttyout.clear()
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count += 1
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print('%d bytes of body' % count)
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# now dismount the file
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ttyout.dismount()
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def main():
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"""Test the TTY out device."""
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# test device with no mounted file
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no_mounted_file()
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# just mount, then dismount
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mount_dismount(TtyFilename)
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# test reading from mounted device
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write_tty(TtyFilename)
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# print number of errors
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print('\n***** %d errors' % ErrorCount)
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return ErrorCount
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################################################################################
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if __name__ == '__main__':
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import sys
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import getopt
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def usage(msg=None):
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if msg:
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print('*'*60)
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print(msg)
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print('*'*60)
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print(__doc__)
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# handle command line options
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try:
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(opts, args) = getopt.gnu_getopt(sys.argv, "h", ["help"])
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except getopt.GetoptError:
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usage()
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sys.exit(10)
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for (opt, arg) in opts:
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if opt in ("-h", "--help"):
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usage()
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sys.exit(0)
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# we should have NO parameters
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if len(args) != 1:
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bad_args = ''
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for a in args[1:]:
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bad_args += ' ' + str(a)
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usage('Unrecognized param(s): %s' % bad_args)
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sys.exit(10)
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# run the tests
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sys.exit(main())
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