Exemplo n.º 1
0
def test_efo_calculate_indexes():
    new_efo = efo.EFO()

    a, b, c = new_efo._calculate_indexes(30)

    assert a >= 0
    assert b >= 0
    assert c >= 0
Exemplo n.º 2
0
def test_efo_update():
    def square(x):
        return np.sum(x**2)

    new_efo = efo.EFO()

    search_space = search.SearchSpace(n_agents=2, n_variables=2,
                                      lower_bound=[1, 1], upper_bound=[10, 10])

    new_efo.update(search_space, square)
Exemplo n.º 3
0
def test_efo_hyperparams_setter():
    new_efo = efo.EFO()

    try:
        new_efo.positive_field = 'a'
    except:
        new_efo.positive_field = 0.5

    try:
        new_efo.positive_field = -1
    except:
        new_efo.positive_field = 0.5

    assert new_efo.positive_field == 0.5

    try:
        new_efo.negative_field = 'b'
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = 0.99
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = -1
    except:
        new_efo.negative_field = 0.2

    assert new_efo.negative_field == 0.2

    try:
        new_efo.ps_ratio = 'c'
    except:
        new_efo.ps_ratio = 0.25

    try:
        new_efo.ps_ratio = -1
    except:
        new_efo.ps_ratio = 0.25

    assert new_efo.ps_ratio == 0.25

    try:
        new_efo.r_ratio = 'd'
    except:
        new_efo.r_ratio = 0.25

    try:
        new_efo.r_ratio = -1
    except:
        new_efo.r_ratio = 0.25

    assert new_efo.r_ratio == 0.25
Exemplo n.º 4
0
def test_efo_update():
    def square(x):
        return np.sum(x**2)

    new_function = function.Function(pointer=square)

    new_efo = efo.EFO()

    search_space = search.SearchSpace(n_agents=2, n_iterations=10,
                                      n_variables=2, lower_bound=[1, 1],
                                      upper_bound=[10, 10])

    new_efo._update(search_space.agents, new_function, 1, 1)

    assert search_space.agents[0].position[0] != 0
Exemplo n.º 5
0
def test_efo_hyperparams():
    hyperparams = {
        'positive_field': 0.1,
        'negative_field': 0.5,
        'ps_ratio': 0.1,
        'r_ratio': 0.4
    }

    new_efo = efo.EFO(hyperparams=hyperparams)

    assert new_efo.positive_field == 0.1

    assert new_efo.negative_field == 0.5

    assert new_efo.ps_ratio == 0.1

    assert new_efo.r_ratio == 0.4
Exemplo n.º 6
0
def test_efo_params():
    params = {
        "positive_field": 0.1,
        "negative_field": 0.5,
        "ps_ratio": 0.1,
        "r_ratio": 0.4,
    }

    new_efo = efo.EFO(params=params)

    assert new_efo.positive_field == 0.1

    assert new_efo.negative_field == 0.5

    assert new_efo.ps_ratio == 0.1

    assert new_efo.r_ratio == 0.4

    assert new_efo.phi == (1 + np.sqrt(5)) / 2

    assert new_efo.RI == 0
Exemplo n.º 7
0
def test_efo_params():
    params = {
        'positive_field': 0.1,
        'negative_field': 0.5,
        'ps_ratio': 0.1,
        'r_ratio': 0.4
    }

    new_efo = efo.EFO(params=params)

    assert new_efo.positive_field == 0.1

    assert new_efo.negative_field == 0.5

    assert new_efo.ps_ratio == 0.1

    assert new_efo.r_ratio == 0.4

    assert new_efo.phi == (1 + np.sqrt(5)) / 2

    assert new_efo.RI == 0
Exemplo n.º 8
0
def test_efo_run():
    def square(x):
        return np.sum(x**2)

    def hook(optimizer, space, function):
        return

    new_function = function.Function(pointer=square)

    new_efo = efo.EFO()

    search_space = search.SearchSpace(n_agents=10, n_iterations=30,
                                      n_variables=2, lower_bound=[0, 0],
                                      upper_bound=[10, 10])

    history = new_efo.run(search_space, new_function, pre_evaluation=hook)

    assert len(history.agents) > 0
    assert len(history.best_agent) > 0

    best_fitness = history.best_agent[-1][1]
    assert best_fitness <= constants.TEST_EPSILON, 'The algorithm efo failed to converge.'
Exemplo n.º 9
0
def test_efo_build():
    new_efo = efo.EFO()

    assert new_efo.built == True
Exemplo n.º 10
0
def test_efo_params_setter():
    new_efo = efo.EFO()

    try:
        new_efo.positive_field = "a"
    except:
        new_efo.positive_field = 0.5

    try:
        new_efo.positive_field = -1
    except:
        new_efo.positive_field = 0.5

    assert new_efo.positive_field == 0.5

    try:
        new_efo.negative_field = "b"
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = 0.99
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = -1
    except:
        new_efo.negative_field = 0.2

    assert new_efo.negative_field == 0.2

    try:
        new_efo.ps_ratio = "c"
    except:
        new_efo.ps_ratio = 0.25

    try:
        new_efo.ps_ratio = -1
    except:
        new_efo.ps_ratio = 0.25

    assert new_efo.ps_ratio == 0.25

    try:
        new_efo.r_ratio = "d"
    except:
        new_efo.r_ratio = 0.25

    try:
        new_efo.r_ratio = -1
    except:
        new_efo.r_ratio = 0.25

    assert new_efo.r_ratio == 0.25

    try:
        new_efo.phi = "e"
    except:
        new_efo.phi = (1 + np.sqrt(5)) / 2

    assert new_efo.phi == (1 + np.sqrt(5)) / 2

    try:
        new_efo.RI = "f"
    except:
        new_efo.RI = 0

    try:
        new_efo.RI = -1
    except:
        new_efo.RI = 0

    assert new_efo.RI == 0
Exemplo n.º 11
0
def test_efo_params_setter():
    new_efo = efo.EFO()

    try:
        new_efo.positive_field = 'a'
    except:
        new_efo.positive_field = 0.5

    try:
        new_efo.positive_field = -1
    except:
        new_efo.positive_field = 0.5

    assert new_efo.positive_field == 0.5

    try:
        new_efo.negative_field = 'b'
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = 0.99
    except:
        new_efo.negative_field = 0.2

    try:
        new_efo.negative_field = -1
    except:
        new_efo.negative_field = 0.2

    assert new_efo.negative_field == 0.2

    try:
        new_efo.ps_ratio = 'c'
    except:
        new_efo.ps_ratio = 0.25

    try:
        new_efo.ps_ratio = -1
    except:
        new_efo.ps_ratio = 0.25

    assert new_efo.ps_ratio == 0.25

    try:
        new_efo.r_ratio = 'd'
    except:
        new_efo.r_ratio = 0.25

    try:
        new_efo.r_ratio = -1
    except:
        new_efo.r_ratio = 0.25

    assert new_efo.r_ratio == 0.25

    try:
        new_efo.phi = 'e'
    except:
        new_efo.phi = (1 + np.sqrt(5)) / 2

    assert new_efo.phi == (1 + np.sqrt(5)) / 2

    try:
        new_efo.RI = 'f'
    except:
        new_efo.RI = 0

    try:
        new_efo.RI = -1
    except:
        new_efo.RI = 0

    assert new_efo.RI == 0