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"""
PC-BASIC test.cassette
Tests for cassette device
(c) 2020--2023 Rob Hagemans
This file is released under the GNU GPL version 3 or later.
"""
import os
import shutil
from pcbasic import Session
from tests.unit.utils import TestCase, run_tests
HERE = os.path.dirname(os.path.abspath(__file__))
def _input_file(name):
"""Test input file."""
return os.path.join(HERE, 'input', 'cassette', name)
def _output_file(name):
"""Test output file."""
return os.path.join(HERE, 'output', 'cassette', name)
class CassetteTest(TestCase):
"""Cassette tests."""
tag = u'cassette'
def setUp(self):
"""Ensure output directory exists."""
try:
os.makedirs(_output_file(u''))
except EnvironmentError:
pass
def test_cas_load(self):
"""Load from a CAS file."""
with Session(devices={b'CAS1:': _input_file('test.cas')}) as s:
s.execute('load "cas1:test"')
s.execute('list')
output = [_row.strip() for _row in self.get_text(s)]
assert output[:4] == [
b'not this.B Skipped.',
b'test .B Found.',
b'10 OPEN "output.txt" FOR OUTPUT AS 1',
b'20 PRINT#1, "cassette test"'
]
def test_cas_save_load(self):
"""Save and load from an existing CAS file."""
shutil.copy(_input_file('test.cas'), _output_file('test.cas'))
with Session(devices={b'CAS1:': _output_file('test.cas')}) as s:
s.execute('save "cas1:empty"')
s.execute('load "cas1:test"')
s.execute('list')
output = [_row.strip() for _row in self.get_text(s)]
assert output[:3] == [
b'test .B Found.',
b'10 OPEN "output.txt" FOR OUTPUT AS 1',
b'20 PRINT#1, "cassette test"'
]
def test_cas_current_device(self):
"""Save and load to cassette as current device."""
with Session(
devices={b'CAS1:': _output_file('test_current.cas')},
current_device=b'CAS1:'
) as s:
s.execute('10 ?')
s.execute('save "Test"')
with Session(
devices={b'CAS1:': _output_file('test_current.cas')},
current_device=b'CAS1:'
) as s:
s.execute('load "Test"')
s.execute('list')
output = [_row.strip() for _row in self.get_text(s)]
assert output[:2] == [
b'Test .B Found.',
b'10 PRINT',
]
def test_cas_text(self):
"""Save and load in plaintext to a CAS file."""
try:
os.remove(_output_file('test_prog.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_prog.cas')}) as s:
s.execute('10 A%=1234')
s.execute('save "cas1:prog",A')
with Session(devices={b'CAS1:': _output_file('test_prog.cas')}) as s:
s.execute('run "cas1:prog"')
output = [_row.strip() for _row in self.get_text(s)]
assert s.get_variable('A%') == 1234
assert output[0] == b'prog .A Found.'
def test_cas_data(self):
"""Write and read data to a CAS file."""
try:
os.remove(_output_file('test_data.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute('open "cas1:data" for output as 1')
s.execute('print#1, 1234')
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute('open "cas1:data" for input as 1')
s.execute('input#1, A%')
output = [_row.strip() for _row in self.get_text(s)]
assert s.get_variable('A%') == 1234
assert output[0] == b'data .D Found.'
def test_wav_text(self):
"""Save and load in plaintext to a WAV file."""
try:
os.remove(_output_file('test_prog.wav'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_prog.wav')}) as s:
s.execute('10 A%=1234')
s.execute('save "cas1:prog",A')
with Session(devices={b'CAS1:': _output_file('test_prog.wav')}) as s:
s.execute('run "cas1:prog"')
assert s.get_variable('A%') == 1234
def test_wav_data(self):
"""Write and read data to a WAV file."""
try:
os.remove(_output_file('test_data.wav'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.wav')}) as s:
s.execute('open "cas1:data" for output as 1')
s.execute('print#1, 1234')
with Session(devices={b'CAS1:': _output_file('test_data.wav')}) as s:
s.execute('open "cas1:data" for input as 1')
s.execute('input#1, A%')
assert s.get_variable('A%') == 1234
def test_wav_save_load(self):
"""Save and load in to the same WAV file in one session."""
try:
os.remove(_output_file('test.wav'))
except EnvironmentError:
pass
# create a WAV file with two programs
with Session(devices={b'CAS1:': _output_file('test.wav')}) as s:
s.execute('10 A%=1234')
s.execute('save "cas1:prog"')
s.execute('20 A%=12345')
s.execute('save "cas1:Prog 2",A')
with Session(devices={b'CAS1:': _output_file('test.wav')}) as s:
# overwrite (part of) the first program
s.execute('save "cas1:"')
# load whatever is next (this should be Prog 2)
s.execute('run "cas1:"')
assert s.get_variable('A%') == 12345
def test_cas_empty(self):
"""Attach empty CAS file."""
try:
os.remove(_output_file('empty.cas'))
except EnvironmentError:
pass
# create empty file
open(_output_file('empty.cas'), 'wb').close()
with Session(devices={b'CAS1:': _output_file('empty.cas')}) as s:
s.execute('save "cas1:"')
s.execute('load "cas1:"')
output = [_row.strip() for _row in self.get_text(s)]
# device timeout given at end of tape
assert output[0] == b'Device Timeout\xff'
def test_cas_unavailable(self):
"""Try to attach directory as CAS file."""
try:
os.rmdir(_output_file('empty'))
except EnvironmentError:
pass
# create empty dir
os.mkdir(_output_file('empty'))
with Session(devices={b'CAS1:': _output_file('empty')}) as s:
s.execute('load "cas1:"')
output = [_row.strip() for _row in self.get_text(s)]
assert output[0] == b'Device Unavailable\xff'
# check internal api function
assert not s._impl.files.device_available(b'CAS1:')
def test_cas_already_open(self):
"""Try to open file twice."""
try:
os.remove(_output_file('test_data.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute('open "cas1:data" for output as 1')
s.execute('open "cas1:data" for output as 2')
output = [_row.strip() for _row in self.get_text(s)]
assert output[0] == b'File already open\xff'
def test_cas_bad_name(self):
"""Try to open file with funny name."""
try:
os.remove(_output_file('test_data.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute(b'open "cas1:\x02\x01" for output as 1')
output = [_row.strip() for _row in self.get_text(s)]
assert output[0] == b'Bad file number\xff'
def test_cas_bad_mode(self):
"""Try to open file with illegal mode."""
try:
os.remove(_output_file('test_data.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute('open "cas1:test" for random as 1')
output = [_row.strip() for _row in self.get_text(s)]
assert output[0] == b'Bad file mode\xff'
def test_cas_bad_operation(self):
"""Try to perform illegal operations."""
try:
os.remove(_output_file('test_data.cas'))
except EnvironmentError:
pass
with Session(devices={b'CAS1:': _output_file('test_data.cas')}) as s:
s.execute('open "cas1:test" for output as 1')
s.execute('? LOF(1)')
s.execute('? LOC(1)')
output = [_row.strip() for _row in self.get_text(s)]
assert output[:2] == [b'Illegal function call\xff', b'Illegal function call\xff']
def test_cas_no_name(self):
"""Save and load to cassette without a filename."""
with Session(devices={b'CAS1:': _output_file('test_current.cas')}) as s:
s.execute('10 ?')
s.execute('save "cas1:"')
with Session(devices={b'CAS1:': _output_file('test_current.cas')}) as s:
s.execute('load "cas1:"')
s.execute('list')
output = [_row.rstrip() for _row in self.get_text(s)]
assert output[:2] == [
b' .B Found.',
b'10 PRINT',
]
if __name__ == '__main__':
run_tests()
|
