def get_mock_cplex_shell(self, mock_model):
solver = MockCPLEX()
solver._problem_files, solver._problem_format, solver._smap_id = convert_problem(
(mock_model, ),
ProblemFormat.cpxlp,
[ProblemFormat.cpxlp],
has_capability=lambda x: True,
)
return solver
def test_it_uses_subprocess_when_env_var_invalid(self, invalid_env_value):
with self.temp_cplex_env_var_value(
invalid_env_value), unittest.mock.patch(
"pyomo.solvers.plugins.solvers.CPLEX.subprocess"
) as mock_subprocess:
mock_subprocess.run.return_value = Mock(stdout='20.0.0')
cplex = MockCPLEX()
assert cplex.version() == (20, 0, 0, 0)
mock_subprocess.run.assert_called_once_with(
[cplex.executable(), '-c', 'quit'],
timeout=1,
stdout=mock_subprocess.PIPE,
stderr=mock_subprocess.STDOUT,
universal_newlines=True)
def setUp(self):
solver = MockCPLEX()
solver._log_file = TempfileManager.create_tempfile(suffix=".log")
self.solver = solver
def test_it_uses_env_var(self):
with self.temp_cplex_env_var_value('20.1.0'):
cplex = MockCPLEX()
assert cplex.version() == (20, 1, 0, 0)
def setUp(self):
solver = MockCPLEX()
solver._log_file = pyutilib.services.TempfileManager.create_tempfile(
suffix=".log")
self.solver = solver