def test_command_line_formation_w_args(self):
ak, av, bk, bv = 'chicken', 'egg', 'pork', 'sausage'
kwargs = {'program': 'program.exe', 'args': [(ak, av), (bk, bv)]}
rp = RunProgram(**kwargs)
cmd_result = rp.create_command_line()
self.assertEqual(cmd_result,
f"{kwargs['program']} {ak} {av} {bk} {bv}")
def test_command_line_formation_w_downpipe(self):
a, b = 'egg', 'sausage'
a_rp, b_rp = RunProgram(cmd_line=a), RunProgram(cmd_line=b)
kwargs = {'program': 'program.exe', 'downpipe': [a_rp, b_rp]}
rp = RunProgram(**kwargs)
cmd_result = rp.create_command_line()
self.assertEqual(cmd_result, f"{kwargs['program']} | {a} | {b}")
def test_run_program_withstderr():
'''
Test function for the 'run' method
It will try to run the shell 'echo' incorrectly and will throw an Exception
'''
runner = RunProgram(program='cho', parameters=['-n', 'hello'])
with pytest.raises(Exception):
runner.run_checkoutput()
def test_run_program_withoneparam():
'''
Test function for the 'run' method
It will run the shell 'echo' command with one parameter
'''
runner = RunProgram(program='echo', parameters=['hello'])
stdout = runner.run_checkoutput()
assert stdout.decode("utf-8") == "hello\n"
def test_run_inapipe():
'''
Test function for the 'run' method with some additional commands executed in a pipe
'''
down_cmd = RunProgram(program='wc', parameters=['-l'])
runner = RunProgram(program='cat',
parameters=['data/newheader.txt'],
downpipe=[down_cmd])
stdout = runner.run_checkoutput()
assert stdout.decode("utf-8") == '67\n'
def test_command_line_formation_w_path_program_trailing_slash(self):
kwargs = {'path': '/a/path/', 'program': 'program.exe'}
rp = RunProgram(**kwargs)
cmd_result = rp.create_command_line()
self.assertEqual(cmd_result, "{path}{program}".format(**kwargs))
def test_command_line_formation_w_program(self):
kwargs = {'program': 'program.exe'}
rp = RunProgram(**kwargs)
cmd_result = rp.create_command_line()
self.assertEqual(cmd_result, "{program}".format(**kwargs))
def test_error_on_no_cmdline_or_program(self):
with self.assertRaisesRegex(
ValueError,
"Parameter 'cmd_line' or 'program' must be provided."):
RunProgram(program=None, cmd_line=None)
def test_command_line_formation_w_parameters(self):
av, bv = 'egg', 'sausage'
kwargs = {'program': 'program.exe', 'parameters': [av, bv]}
rp = RunProgram(**kwargs)
cmd_result = rp.create_command_line()
self.assertEqual(cmd_result, f"{kwargs['program']} {av} {bv}")