Exemplo n.º 1
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def test_gini_simpson_diversity():
    '''
    USED FOR RESEARCH PURPOSES ONLY
    '''
    # just run for now to check against unexpectedly thrown errors
    for counts, probs in mock.mock_species_data():
        diversity.gini_simpson_diversity(counts)
Exemplo n.º 2
0
def test_shannon_diversity():
    '''
    USED FOR RESEARCH PURPOSES ONLY
    '''
    # test against scipy entropy
    for counts, probs in mock.mock_species_data():
        assert abs(entropy(probs) - diversity.shannon_diversity(probs)) < 0.0000000001
Exemplo n.º 3
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def test_raos_quadratic_diversity():
    '''
    USED FOR RESEARCH PURPOSES ONLY
    '''
    # just run for now to check against unexpectedly thrown errors
    for counts, probs in mock.mock_species_data():
        mock_matrix = np.full((len(counts), len(counts)), 1)
        diversity.raos_quadratic_diversity(counts, mock_matrix)
Exemplo n.º 4
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def test_hill_diversity():
    # test hill diversity against scipy entropy
    for counts, probs in mock.mock_species_data():
        # check hill q=1 - this can be tested against scipy because hill q=1 is exponential of entropy
        assert np.allclose(diversity.hill_diversity(counts, q=1), np.exp(entropy(probs)), atol=0.001, rtol=0)
        # check that hill q<1 and q>1 is reasonably close to scipy entropy
        # (different internal computation)
        assert np.allclose(diversity.hill_diversity(counts, 0.99999999), np.exp(entropy(probs)), atol=0.001, rtol=0)
        assert np.allclose(diversity.hill_diversity(counts, 1.00000001), np.exp(entropy(probs)), atol=0.001, rtol=0)
        # check for malformed q
        with pytest.raises(ValueError):
            diversity.hill_diversity(counts, q=-1)
Exemplo n.º 5
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def test_hill_diversity_pairwise_matrix_wt():
    for counts, probs in mock.mock_species_data():

        non_matrix = np.full((len(counts), len(counts)), 1)

        for q in [0, 1, 2]:
            # what to test against? For now, check successful run
            diversity.hill_diversity_pairwise_matrix_wt(counts, non_matrix, q)

        # check for malformed signatures
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_matrix_wt(counts[:-1], non_matrix, q=1)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_matrix_wt(counts, non_matrix[:-1], q=1)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_matrix_wt(counts, non_matrix[:, :-1], q=1)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_matrix_wt(counts, non_matrix, q=-1)
Exemplo n.º 6
0
def test_hill_diversity_pairwise_distance_wt():
    for counts, probs in mock.mock_species_data():

        non_weights = np.full(len(counts), 1)
        non_beta = -0
        for q in [0, 1, 2]:
            # what to test against? For now, check successful run
            diversity.hill_diversity_pairwise_distance_wt(counts, non_weights, q, non_beta)

        # check for malformed signatures
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_distance_wt(counts[:-1], non_weights, q=1, beta=-0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_distance_wt(counts, non_weights[:-1], q=1, beta=-0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_distance_wt(counts, non_weights, q=1, beta=0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_pairwise_distance_wt(counts, non_weights, q=-1, beta=-0.005)
Exemplo n.º 7
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def test_hill_diversity_branch_distance_wt():
    # test against hill diversity by setting all weights = 1
    for counts, probs in mock.mock_species_data():

        non_weights = np.full(len(counts), 1)
        non_beta = -0
        for q in [0, 1, 2]:
            assert np.allclose(diversity.hill_diversity(counts, q),
                               diversity.hill_diversity_branch_distance_wt(counts, non_weights, q, non_beta),
                               atol=0.001, rtol=0)

        # check for malformed signatures
        with pytest.raises(ValueError):
            diversity.hill_diversity_branch_distance_wt(counts[:-1], non_weights, q=1, beta=-0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_branch_distance_wt(counts, non_weights[:-1], q=1, beta=-0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_branch_distance_wt(counts, non_weights, q=1, beta=0.005)
        with pytest.raises(ValueError):
            diversity.hill_diversity_branch_distance_wt(counts, non_weights, q=-1, beta=-0.005)