def test_discovered_attack(fen, pv, expected_contains_tactic,
expected_is_first_move_tactic):
assert (Tactic.DISCOVERED_ATTACK in features.BestMove(
fen, pv[0])._tactics()) == expected_is_first_move_tactic
assert (Tactic.DISCOVERED_ATTACK in features.BestPV(
fen, pv)._best_pv_tactics()) == expected_contains_tactic
def test_pin(fen, pv, expected_contains_tactic, expected_is_first_move_tactic):
assert (Tactic.PIN in features.BestMove(
fen, pv[0])._tactics()) == expected_is_first_move_tactic
assert (Tactic.PIN in features.BestPV(
fen, pv)._best_pv_tactics()) == expected_contains_tactic
def test_hanging_piece_capture_threat(fen, move, expected):
assert (Threat.HANGING_PIECE_CAPTURE
in features.BestMove(fen, move)._threats()) == expected
def test_material_gain_capture_threat(fen, move, expected):
assert (Threat.MATERIAL_GAIN_CAPTURE
in features.BestMove(fen, move)._threats()) == expected
def test_skewer_threat(fen, move, expected):
assert (Threat.SKEWER in features.BestMove(fen,
move)._threats()) == expected
def test_discovered_attack_threat(fen, move, expected):
assert (Threat.DISCOVERED_ATTACK
in features.BestMove(fen, move)._threats()) == expected
def test_fork_threat(fen, move, expected):
assert (Threat.FORK in features.BestMove(fen, move)._threats()) == expected
def test_mate_threat(fen, move, expected):
assert (Threat.MATE in features.BestMove(fen, move)._threats()) == expected
def test_sacrifice(fen, pv, expected_contains_tactic,
expected_is_first_move_tactic):
assert (Tactic.SACRIFICE in features.BestMove(
fen, pv[0])._tactics()) == expected_is_first_move_tactic
assert (Tactic.SACRIFICE in features.BestPV(
fen, pv)._best_pv_tactics()) == expected_contains_tactic
