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import pytest |
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@pytest.fixture |
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def assert_selected_variables_are(somagic): |
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def _assert_selected_variables_are(variables: set): |
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assert set([x['variable'] for x in somagic._data_manager.feature_manager.feature_configuration.variables]) == variables |
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return _assert_selected_variables_are |
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@pytest.fixture |
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def assert_column_values(test_dataset): |
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import pandas as pd |
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def _assert_column_values_are(attribute, expected_values): |
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assert set([_ for _ in test_dataset[0].datapoints.observations[attribute]]) == set(expected_values) |
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assert set(pd.unique(test_dataset[0].datapoints.observations[attribute])) == set(expected_values) |
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return _assert_column_values_are |
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@pytest.fixture |
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def assert_correct_nominal_variable_encoding(test_dataset): |
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"""Test a column with each row having a string representing one of the possible values of an Attrbiute. |
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Useful when an Attribute corresponds to a discreet Variable of type Nominal (ordering does not matter) and its |
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observation (row) can have only one of the possible values. |
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""" |
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from collections import Counter |
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def _assert_nominal_variable_encoded_as_expected(expected_feature_columns): |
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assert all(Counter([datarow[_] for _ in expected_feature_columns]) == |
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Counter({0: len(expected_feature_columns) - 1, 1: 1}) |
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for index, datarow in test_dataset[0].datapoints.observations[expected_feature_columns].iterrows()) |
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return _assert_nominal_variable_encoded_as_expected |
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def test_sanity_checks_on_dataset(test_dataset, assert_selected_variables_are, assert_column_values, |
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assert_correct_nominal_variable_encoding): |
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ATTRS2 = [f'type_{x}' for x in test_dataset[1]] |
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datapoints = test_dataset[0].datapoints |
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assert_selected_variables_are({'type', 'flavors'}) |
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assert all(type(x) == str for x in datapoints.observations['type']) |
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assert_column_values('type', expected_values=test_dataset[1]) |
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assert_correct_nominal_variable_encoding(ATTRS2) |
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# the below is expected because test_dataset invokes the 'one_hot_encoding_list_command' command which unfortunately |
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# at the moment has a side effect on the attribute it operates on. |
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# side effect: _data_manager.datapoints.observations[_attribute].fillna(value=np.nan, inplace=True) |
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assert set([type(x) for x in datapoints.observations['flavors']]) == {list, float} |
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assert len(test_dataset[2]) > 5 |
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assert all(x in datapoints.observations.columns for x in test_dataset[2]) |
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assert all(0 <= sum([datarow[_] for _ in test_dataset[2]]) <= test_dataset[3] |
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for index, datarow in datapoints.observations[list(test_dataset[2])].iterrows()) |
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assert hasattr(test_dataset[0], 'feature_vectors') |
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boromir674 /
so-magic
