File: test_csb2ofx.py

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import unittest
from lxml import etree
import os.path

from ..ofx import converter as ofx
from . import samples


class TestCsb2Ofx(unittest.TestCase):

    def setUp(self):

        f = samples.sample1()

        self.n_fitid = len(f.accounts) * len(f.accounts[0].transactions)
        self.csb = f
        self.ofx = ofx.convertFromCsb(self.csb)

    def test_unique_fitid(self):
        """
        fitid field has a unique constraint
        """

        xml = etree.fromstring(str(self.ofx).encode("UTF-8"))

        fitid = [node.text for node in xml.xpath("//STMTTRN/FITID")]

        self.assertEqual(len(fitid), len(set(fitid)),
                         "all FITID content must be unique within an OFX file")

    def test_v211_xsd_validation(self):
        """
        XSD
        """
        xsd_path = get_ofx_schema_path()

        if not xsd_path:
            raise unittest.SkipTest("OFX 2.1.1 Schema not found")

        xsd = etree.XMLSchema(file=xsd_path)

        document = str(self.ofx)

        document = (document
                    .replace(
                        "<OFX>",
                        '<ofx:OFX xmlns:ofx="http://ofx.net/types/2003/04">')
                    .replace("</OFX>", "</ofx:OFX>"))

        root = etree.fromstring(document.encode("UTF-8"))

        xsd.assertValid(root)


def get_ofx_schema_path():
    filename = "OFX2_Protocol.xsd"
    paths = [
        os.path.join(os.path.dirname(__file__), "schemas", filename),
        os.path.join(".ofx_schemas", filename),
        os.path.join(os.environ.get("OFX_SCHEMA_PATH", ""), filename),
    ]
    valid_paths = [f for f in paths if os.path.exists(f)]

    return valid_paths[0] if valid_paths else None