def test_map_omit_missing_table_columns(self):
# Currently, "omit" means "set empty". There's a valid use case for
# actually _removing_ colnames here, but [adamhooper, 2019-01-04] we
# haven't defined that case yet.
dtype = ParamDType.Map(value_dtype=ParamDType.Column())
value = dtype.omit_missing_table_columns({'a': 'X', 'b': 'Y'}, {'X'})
self.assertEqual(value, {'a': 'X', 'b': ''})
def test_clean_column_missing_becomes_empty_string(self):
context = RenderContext(
None, TableShape(3, [
Column('A', ColumnType.NUMBER),
]), None, None)
schema = ParamDType.Dict({
'column': ParamDType.Column(),
})
value = {'column': 'B'}
result = clean_value(schema, value, context)
self.assertEqual(result, {'column': ''})
