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Automatically convert Categorical columns to their values before comprison in ONNX export tests. #447

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pieths merged 1 commit into from
Feb 24, 2020
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Automatically convert Categorical columns to their values before comprison in ONNX export tests. #447

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10 changes: 8 additions & 2 deletions src/python/tests_extended/test_export_to_onnx.py
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Original file line number Diff line number Diff line change
Expand Up @@ -234,7 +234,7 @@
'examples',
'frozen_saved_model.pb'),
columns={'c': ['a', 'b']}),
'ToKey': ToKey(columns={'edu_1': 'education_str', 'parity_1': 'parity'}),
'ToKey': ToKey(columns={'edu_1': 'education_str'}),
'TypeConverter': TypeConverter(columns=['group'], result_type='R4'),
'WordTokenizer': WordTokenizer(char_array_term_separators=[" "]) << {'wt': 'SentimentText'}
}
Expand Down Expand Up @@ -338,7 +338,7 @@
'PrefixColumnConcatenator': {'num_cols': 8, 'cols': 0},
'SgdBinaryClassifier': {'cols': [('PredictedLabel', 'PredictedLabel')]},
'SymSgdBinaryClassifier': {'cols': [('PredictedLabel', 'PredictedLabel')]},
'ToKey': {'num_cols': 12, 'cols': 0},
'ToKey': {'num_cols': 11, 'cols': 0},
'TypeConverter': {'num_cols': 8, 'cols': 0},
'WordTokenizer': {'num_cols': 73, 'cols': 0}
}
Expand Down Expand Up @@ -489,6 +489,12 @@ def validate_results(class_name, result_expected, result_onnx):
col_expected = result_expected.loc[:, col_pair[0]]
col_onnx = result_onnx.loc[:, col_pair[1]]

if isinstance(col_expected.dtype, pd.api.types.CategoricalDtype):
# ONNX does not export categorical columns so convert categorical
# columns received from ML.Net back to the original values before
# the comparison.
col_expected = col_expected.astype(col_expected.dtype.categories.dtype)

pd.testing.assert_series_equal(col_expected,
col_onnx,
check_names=False,
Expand Down