TCMB MCP

"""Tests for XML parser.""" from datetime import date from decimal import Decimal import pytest from tcmb_mcp.core.exceptions import TCMBAPIError from tcmb_mcp.models.enums import RateType from tcmb_mcp.utils.xml_parser import parse_tcmb_xml class TestParseTcmbXml: """Tests for parse_tcmb_xml function.""" def test_parse_valid_xml(self, sample_xml: str): """Test parsing valid TCMB XML.""" result = parse_tcmb_xml(sample_xml) assert result.date == date(2024, 1, 15) assert result.bulletin_no == "2024/10" assert len(result.rates) == 5 def test_parse_usd_rate(self, sample_xml: str): """Test USD rate parsing.""" result = parse_tcmb_xml(sample_xml) usd = result.get_rate("USD") assert usd is not None assert usd.code == "USD" assert usd.name == "US DOLLAR" assert usd.name_tr == "ABD DOLARI" assert usd.unit == 1 assert usd.forex_buying == Decimal("30.2145") assert usd.forex_selling == Decimal("30.2678") assert usd.cross_rate_usd == Decimal("1.0000") def test_parse_jpy_rate_with_unit(self, sample_xml: str): """Test JPY rate parsing with unit=100.""" result = parse_tcmb_xml(sample_xml) jpy = result.get_rate("JPY") assert jpy is not None assert jpy.unit == 100 assert jpy.forex_buying == Decimal("20.3456") # Test unit rate calculation unit_rate = jpy.get_unit_rate(RateType.FOREX_BUYING) assert unit_rate == Decimal("20.3456") / 100 def test_get_rate_case_insensitive(self, sample_xml: str): """Test get_rate is case insensitive.""" result = parse_tcmb_xml(sample_xml) assert result.get_rate("usd") is not None assert result.get_rate("USD") is not None assert result.get_rate("Usd") is not None def test_get_rate_not_found(self, sample_xml: str): """Test get_rate returns None for unknown currency.""" result = parse_tcmb_xml(sample_xml) assert result.get_rate("XYZ") is None def test_filter_currencies(self, sample_xml: str): """Test filtering currencies.""" result = parse_tcmb_xml(sample_xml) filtered = result.filter_currencies(["USD", "EUR"]) assert len(filtered.rates) == 2 assert filtered.get_rate("USD") is not None assert filtered.get_rate("EUR") is not None assert filtered.get_rate("GBP") is None def test_parse_invalid_xml(self): """Test parsing invalid XML raises error.""" with pytest.raises(TCMBAPIError, match="parse hatası"): parse_tcmb_xml("not valid xml") def test_parse_missing_date(self): """Test parsing XML without date raises error.""" xml = '<?xml version="1.0"?><Tarih_Date></Tarih_Date>' with pytest.raises(TCMBAPIError, match="tarih bilgisi"): parse_tcmb_xml(xml) def test_parse_empty_rates(self): """Test parsing XML with no currencies.""" xml = '<?xml version="1.0"?><Tarih_Date Tarih="15.01.2024"></Tarih_Date>' result = parse_tcmb_xml(xml) assert result.date == date(2024, 1, 15) assert len(result.rates) == 0 def test_cross_rate_parsing(self, sample_xml: str): """Test cross rate parsing.""" result = parse_tcmb_xml(sample_xml) eur = result.get_rate("EUR") assert eur is not None assert eur.cross_rate_usd == Decimal("1.0881")