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Make InternalSolver clonable

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This commit is contained in:
Alinson S. Xavier
2021-04-07 19:52:21 -05:00
parent ebccde6a03
commit 0232219a0e
12 changed files with 69 additions and 46 deletions
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33
tests/solvers/test_internal_solver.py
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@@ -32,18 +32,17 @@ def test_redirect_output():
def test_internal_solver_warm_starts():
for solver_class in get_internal_solvers():
logger.info("Solver: %s" % solver_class)
instance = _get_knapsack_instance(solver_class)
for solver in get_internal_solvers():
logger.info("Solver: %s" % solver)
instance = _get_knapsack_instance(solver)
model = instance.to_model()
solver = solver_class()
solver.set_instance(instance, model)
solver.set_warm_start({"x[0]": 1.0, "x[1]": 0.0, "x[2]": 0.0, "x[3]": 1.0})
stats = solver.solve(tee=True)
if stats["Warm start value"] is not None:
assert stats["Warm start value"] == 725.0
else:
warn(f"{solver_class.__name__} should set warm start value")
warn(f"{solver.__class__.__name__} should set warm start value")
solver.set_warm_start({"x[0]": 1.0, "x[1]": 1.0, "x[2]": 1.0, "x[3]": 1.0})
stats = solver.solve(tee=True)
@@ -56,12 +55,11 @@ def test_internal_solver_warm_starts():
def test_internal_solver():
for solver_class in get_internal_solvers():
logger.info("Solver: %s" % solver_class)
for solver in get_internal_solvers():
logger.info("Solver: %s" % solver)
instance = _get_knapsack_instance(solver_class)
instance = _get_knapsack_instance(solver)
model = instance.to_model()
solver = solver_class()
solver.set_instance(instance, model)
assert solver.get_variable_names() == ["x[0]", "x[1]", "x[2]", "x[3]"]
@@ -150,9 +148,8 @@ def test_internal_solver():
def test_relax():
for solver_class in get_internal_solvers():
instance = _get_knapsack_instance(solver_class)
solver = solver_class()
for solver in get_internal_solvers():
instance = _get_knapsack_instance(solver)
solver.set_instance(instance)
solver.relax()
stats = solver.solve()
@@ -160,9 +157,8 @@ def test_relax():
def test_infeasible_instance():
for solver_class in get_internal_solvers():
instance = get_infeasible_instance(solver_class)
solver = solver_class()
for solver in get_internal_solvers():
instance = get_infeasible_instance(solver)
solver.set_instance(instance)
stats = solver.solve()
@@ -177,10 +173,9 @@ def test_infeasible_instance():
def test_iteration_cb():
for solver_class in get_internal_solvers():
logger.info("Solver: %s" % solver_class)
instance = _get_knapsack_instance(solver_class)
solver = solver_class()
for solver in get_internal_solvers():
logger.info("Solver: %s" % solver)
instance = _get_knapsack_instance(solver)
solver.set_instance(instance)
count = 0