def test_solve_function(self):
fid, fname = tempfile.mkstemp()
os.close(fid)
try:
solve(DummyProblem(), comm=None, log_filename=fname)
assert os.path.exists(fname)
finally:
time.sleep(0.1)
try:
os.remove(fname)
except: #pragma:nocover
pass
def test_bad_best_options(self):
node = Node()
node.objective = None
with pytest.raises(ValueError):
solve(DummyProblem(), comm=None, best_node=node)
node.objective = nan
with pytest.raises(ValueError):
solve(DummyProblem(), comm=None, best_node=node)
node.objective = 0
solve(DummyProblem(), comm=None, best_node=node)
def test_bad_branch_signature(self):
problem = BadBranchSignatureProblem()
with pytest.raises(TypeError):
solve(problem, comm=None)
def test_bad_queue_strategy(self):
with pytest.raises(ValueError):
solve(DummyProblem(),
comm=None,
queue_strategy='_not_a_valid_strategy_')