def test_ws_retrieve_data_on_input_ports(): pg = PortGraph() pg.add_vertex(0) pg.add_out_port(0, "out", 0) pg.add_vertex(1) pg.add_in_port(1, "in", 1) # non existing port ws = WorkflowState(pg) assert_raises(KeyError, lambda: ws.get(10)) # lonely input port without data ws = WorkflowState(pg) assert_raises(KeyError, lambda: ws.get(1)) # lonely input port with data ws.store_param(1, "param", 0) assert ws.get(1) == "param" # connected input port pg.connect(0, 1) ws = WorkflowState(pg) ws.store(0, "data") assert ws.get(1) == "data"
def test_evaluation_propagated_upstream(): visited = [] def func(txt): visited.append(txt) return txt pg = PortGraph() n = FuncNode(func) pg.add_actor(n, 0) pg.add_actor(n, 1) pg.connect(pg.out_port(0, 'txt'), pg.in_port(1, 'txt')) algo = BruteEvaluation(pg) ws = WorkflowState(pg) env = EvaluationEnvironment() ws.store_param(pg.in_port(0, 'txt'), "txt", 0) algo.eval(env, ws, 0) assert len(visited) == 1 algo.eval(env, ws, 1) assert len(visited) == 2 env.new_execution() algo.eval(env, ws, 1) assert len(visited) == 4
def test_ws_when_set_explicitly_for_params(): pg = PortGraph() pg.add_vertex(0) pg.add_in_port(0, "in", 0) ws = WorkflowState(pg) ws.store_param(0, "param", 10) assert ws.when(0) == 10
def test_ws_is_ready_for_evaluation(): pg = PortGraph() pg.add_vertex(0) pg.add_in_port(0, "in", 0) pg.add_out_port(0, "out", 1) pg.add_vertex(1) pg.add_out_port(1, "out", 2) pg.add_vertex(2) pg.add_in_port(2, "in", 3) pg.add_out_port(2, "out", 4) pg.connect(1, 3) pg.connect(2, 3) ws = WorkflowState(pg) assert not ws.is_ready_for_evaluation() ws.store(1, "data") assert not ws.is_ready_for_evaluation() ws.store_param(0, "param", 0) assert ws.is_ready_for_evaluation()
def test_lazy_do_not_reevaluate_node_if_same_execution(): evaluated = [] def func(txt): evaluated.append(txt) return txt pg = PortGraph() vid = pg.add_actor(FuncNode(func)) assert pg.actor(vid).is_lazy() algo = LazyEvaluation(pg) env = EvaluationEnvironment() ws = WorkflowState(pg) ws.store_param(pg.in_port(vid, 'txt'), 'toto', env.current_execution()) algo.eval(env, ws) assert len(evaluated) == 1 algo.eval_node(env, ws, vid) assert len(evaluated) == 1
def test_ws_store_param_only_on_lonely_input_ports(): pg = PortGraph() pg.add_vertex(0) pg.add_in_port(0, "in", 0) pg.add_out_port(0, "out", 1) pg.add_vertex(1) pg.add_in_port(1, "in", 2) pg.connect(1, 2) ws = WorkflowState(pg) assert_raises(UserWarning, lambda: ws.store_param(1, "param", 0)) assert_raises(UserWarning, lambda: ws.store_param(2, "param", 0))
def test_lazy_always_reevaluate_non_lazy_nodes(): evaluated = [] def func(txt): evaluated.append(txt) return txt pg = PortGraph() vid = pg.add_actor(FuncNode(func)) pg.actor(vid).set_lazy(False) algo = LazyEvaluation(pg) env = EvaluationEnvironment() ws = WorkflowState(pg) ws.store_param(pg.in_port(vid, 'txt'), 'toto', env.current_execution()) algo.eval(env, ws) assert len(evaluated) == 1 env.new_execution() algo.eval(env, ws) assert len(evaluated) == 2
def test_evaluation_affect_output_to_right_ports(): def func(a, b): c = a + b d = a * 2 return c, d # simple order pg = PortGraph() n = FuncNode(func) pg.add_vertex(0) pg.add_in_port(0, 'a', 0) pg.add_in_port(0, 'b', 1) pg.add_out_port(0, 'c', 2) pg.add_out_port(0, 'd', 3) pg.set_actor(0, n) algo = BruteEvaluation(pg) env = EvaluationEnvironment() ws = WorkflowState(pg) ws.store_param(0, 'a', 0) ws.store_param(1, 'b', 0) algo.eval(env, ws) assert ws.get(2) == 'ab' assert ws.get(3) == 'aa' # reverse input orders pg = PortGraph() n = FuncNode(func) pg.add_vertex(0) pg.add_in_port(0, 'b', 0) pg.add_in_port(0, 'a', 1) pg.add_out_port(0, 'c', 2) pg.add_out_port(0, 'd', 3) pg.set_actor(0, n) algo = BruteEvaluation(pg) env = EvaluationEnvironment() ws = WorkflowState(pg) ws.store_param(0, 'a', 0) ws.store_param(1, 'b', 0) algo.eval(env, ws) assert ws.get(2) == 'ba' assert ws.get(3) == 'bb' # reverse output order pg = PortGraph() n = FuncNode(func) pg.add_vertex(0) pg.add_in_port(0, 'a', 0) pg.add_in_port(0, 'b', 1) pg.add_out_port(0, 'd', 2) pg.add_out_port(0, 'c', 3) pg.set_actor(0, n) algo = BruteEvaluation(pg) env = EvaluationEnvironment() ws = WorkflowState(pg) ws.store_param(0, 'a', 0) ws.store_param(1, 'b', 0) algo.eval(env, ws) assert ws.get(3) == 'ab' assert ws.get(2) == 'aa'