import unittest

import build_canonical_layer


class CanonicalLayerTests(unittest.TestCase):
    def test_build_canonical_layer_seeds_one_canonical_per_observed_product(self):
        observed_rows = [
            {
                "observed_product_id": "gobs_1",
                "representative_name_norm": "GALA APPLE",
                "representative_brand": "SB",
                "representative_variant": "",
                "representative_size_value": "5",
                "representative_size_unit": "lb",
                "representative_pack_qty": "",
                "representative_measure_type": "weight",
            },
            {
                "observed_product_id": "gobs_2",
                "representative_name_norm": "ROTINI",
                "representative_brand": "",
                "representative_variant": "",
                "representative_size_value": "16",
                "representative_size_unit": "oz",
                "representative_pack_qty": "",
                "representative_measure_type": "weight",
            },
        ]

        canonicals, links = build_canonical_layer.build_canonical_layer(observed_rows)

        self.assertEqual(2, len(canonicals))
        self.assertEqual(2, len(links))
        self.assertEqual("GALA APPLE", canonicals[0]["canonical_name"])
        self.assertEqual("5", canonicals[0]["normalized_quantity"])
        self.assertEqual("lb", canonicals[0]["normalized_quantity_unit"])
        self.assertEqual("seed_observed_product", links[0]["link_method"])


if __name__ == "__main__":
    unittest.main()