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#!/usr/bin/env python3
#
# Copyright (c) 2021-2024 Paul Mattes.
# All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are met:
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
# * Neither the names of Paul Mattes nor the names of his contributors
# may be used to endorse or promote products derived from this software
# without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY PAUL MATTES "AS IS" AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL PAUL MATTES BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
# File transfer tests
import requests
from subprocess import Popen, PIPE, DEVNULL
import threading
import time
import unittest
import Common.Test.playback as playback
import Common.Test.cti as cti
class TestS3270ft(cti.cti):
# s3270 DFT-mode file transfer test
def test_s3270_ft_dft(self):
# Start 'playback' to read s3270's output.
port, socket = cti.unused_port()
with playback.playback(self, 's3270/Test/ft_dft.trc', port=port) as p:
socket.close()
# Start s3270.
s3270 = Popen(cti.vgwrap(['s3270', '-set', 'wrongTerminalName', f'127.0.0.1:{port}']), stdin=PIPE,
stdout=PIPE)
self.children.append(s3270)
# Feed s3270 some actions.
s3270.stdin.write(b'transfer direction=send host=tso localfile=s3270/Test/fttext hostfile=fttext\n')
s3270.stdin.write(b"PF(3)\n")
s3270.stdin.flush()
# Verify what s3270 does.
p.match()
# Verify what it says.
stdout = s3270.communicate()[0].decode().split('\n')
self.assertEqual('data: Transfer complete, 19925 bytes transferred', stdout[0].strip())
self.assertTrue('bytes/sec in DFT mode' in stdout[1])
self.assertEqual('ok', stdout[3].strip())
# Wait for the process to exit.
s3270.stdin.close()
self.vgwait(s3270)
# s3270 CUT-mode file transfer test
def test_s3270_ft_cut(self):
# Start 'playback' to read s3270's output.
port, socket = cti.unused_port()
with playback.playback(self, 's3270/Test/ft_cut.trc', port=port) as p:
socket.close()
# Start s3270.
s3270 = Popen(cti.vgwrap(["s3270", "-model", "2", f"127.0.0.1:{port}"]),
stdin=PIPE, stdout=PIPE)
self.children.append(s3270)
# Feed s3270 some actions.
s3270.stdin.write(b'transfer direction=send host=vm "localfile=s3270/Test/fttext" "hostfile=ft text a"\n')
s3270.stdin.write(b"String(logoff)\n")
s3270.stdin.write(b"Enter()\n")
s3270.stdin.flush()
# Verify what s3270 does.
p.match()
# Verify what it says.
stdout = s3270.communicate()[0].decode().split('\n')
self.assertEqual('data: Transfer complete, 19580 bytes transferred', stdout[0].strip())
self.assertTrue('bytes/sec in CUT mode' in stdout[1])
self.assertEqual('ok', stdout[3].strip())
# Wait for the process to exit.
s3270.stdin.close()
self.vgwait(s3270)
# Send the rest of the file to the emulator, after a brief delay, and absorb broken pipe errors,
# which can happen if the emulator fails.
def send_rest(self, p: playback):
time.sleep(0.5)
try:
p.send_to_mark()
except BrokenPipeError:
return
time.sleep(0.5)
try:
p.send_to_mark()
except BrokenPipeError:
return
# s3270 file transfer blocking test
@unittest.skip
def test_s3270_ft_block(self):
# Start 'playback' to read s3270's output.
port, socket = cti.unused_port()
with playback.playback(self, 's3270/Test/ft-double.trc', port=port) as p:
socket.close()
# Start s3270.
sport, socket = cti.unused_port()
s3270 = Popen(cti.vgwrap(["s3270", '-httpd', str(sport), f"127.0.0.1:{port}"]),
stdin=DEVNULL, stdout=DEVNULL)
self.children.append(s3270)
socket.close()
# Get the connection going.
p.send_records(1)
athread = threading.Thread(target=self.send_rest, args=[p])
athread.start()
# Try two file transfers in a row.
r = requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Source(s3270/Test/ft-double.txt)')
self.assertTrue(r.ok)
# Clean up the async thread.
athread.join()
# Wait for the process to exit.
requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Quit()')
self.vgwait(s3270)
def check_block(self, sport: int) -> bool:
'''Check for a blocking Transfer() action'''
r = requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Query(task)').json()['result']
return any(['KBWAIT => Transfer' in line for line in r])
def cancel_transfer(self, sport: int):
'''Cancel the file transfer'''
# Wait for the file transfer to block.
self.try_until(lambda: (self.check_block(sport)), 2, 'Transfer() not blocking')
r = requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Transfer(cancel)')
self.assertTrue(r.ok)
# s3270 file transfer cancel test
def test_s3270_ft_cancel(self):
# Start 'playback' to read s3270's output.
port, socket = cti.unused_port()
with playback.playback(self, 's3270/Test/ft_cut.trc', port=port) as p:
socket.close()
# Start s3270.
sport, socket = cti.unused_port()
s3270 = Popen(cti.vgwrap(['s3270', '-model', '2', '-httpd', str(sport), f'127.0.0.1:{port}']),
stdin=DEVNULL, stdout=DEVNULL)
self.children.append(s3270)
socket.close()
# Get everything going.
p.send_records(2)
# Start a thread to cancel the transfer.
athread = threading.Thread(target=self.cancel_transfer, args=[sport])
athread.start()
# Try a transfer.
r = requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Transfer(direction=send,host=vm,"localfile=s3270/Test/fttext","hostfile=ft text a")', timeout=2)
self.assertFalse(r.ok)
# Verify what it says.
self.assertEqual(r.json()['result'][0], 'Transfer canceled by user')
athread.join()
requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Quit(-force))')
# Wait for the process to exit.
self.vgwait(s3270)
def disconnect_transfer(self, sport: int, p: playback.playback):
'''Disconnect the session'''
# Wait for the file transfer to block.
self.try_until(lambda: (self.check_block(sport)), 2, 'Transfer() not blocking')
p.disconnect()
# s3270 file transfer disconnect test
def test_s3270_ft_disconnect(self):
# Start 'playback' to read s3270's output.
port, socket = cti.unused_port()
with playback.playback(self, 's3270/Test/ft_cut.trc', port=port) as p:
socket.close()
# Start s3270.
sport, socket = cti.unused_port()
s3270 = Popen(cti.vgwrap(['s3270', '-model', '2', '-httpd', str(sport), f'127.0.0.1:{port}']),
stdin=DEVNULL, stdout=DEVNULL)
self.children.append(s3270)
socket.close()
# Get everything going.
p.send_records(2)
# Start a thread to disconnect the session.
athread = threading.Thread(target=self.disconnect_transfer, args=[sport, p])
athread.start()
# Try a transfer.
r = requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Transfer(direction=send,host=vm,"localfile=s3270/Test/fttext","hostfile=ft text a")', timeout=2)
self.assertFalse(r.ok)
# Verify what it says.
self.assertEqual(r.json()['result'][0], 'Host disconnected, transfer canceled')
athread.join()
requests.get(f'http://127.0.0.1:{sport}/3270/rest/json/Quit(-force))')
# Wait for the process to exit.
self.vgwait(s3270)
if __name__ == '__main__':
unittest.main()
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