"""Tests for exchange serializers."""

from apps.exchange.serializers import ExchangeCopyRequestSerializer
from django.test import SimpleTestCase


class ExchangeCopyRequestSerializerTest(SimpleTestCase):
    def test_single_mode_requires_table(self):
        serializer = ExchangeCopyRequestSerializer(data={"mode": "single"})
        self.assertFalse(serializer.is_valid())
        self.assertIn("table", serializer.errors)

    def test_selected_mode_requires_tables(self):
        serializer = ExchangeCopyRequestSerializer(data={"mode": "selected"})
        self.assertFalse(serializer.is_valid())
        self.assertIn("tables", serializer.errors)

    def test_table_and_tables_are_rejected_for_wrong_modes(self):
        serializer_with_table = ExchangeCopyRequestSerializer(
            data={"mode": "all", "table": "parsers_manufacturer"}
        )
        self.assertFalse(serializer_with_table.is_valid())
        self.assertIn("table", serializer_with_table.errors)

        serializer_with_tables = ExchangeCopyRequestSerializer(
            data={"mode": "all", "tables": ["parsers_manufacturer"]}
        )
        self.assertFalse(serializer_with_tables.is_valid())
        self.assertIn("tables", serializer_with_tables.errors)