import unittest

from csvkit import convert


class TestConvert(unittest.TestCase):

    def test_guess_fixed(self):
        self.assertEqual('fixed', convert.guess_format('testdata'))

    def test_guess_xls(self):
        self.assertEqual('xls', convert.guess_format('testdata.xls'))

    def test_guess_xls_uppercase(self):
        self.assertEqual('xls', convert.guess_format('testdata.XLS'))

    def test_guess_xlsx(self):
        self.assertEqual('xlsx', convert.guess_format('testdata.xlsx'))

    def test_guess_csv(self):
        self.assertEqual('csv', convert.guess_format('testdata.csv'))

    def test_guess_dbf(self):
        self.assertEqual('dbf', convert.guess_format('testdata.dbf'))

    def test_guess_json(self):
        self.assertEqual('json', convert.guess_format('testdata.json'))

    def test_guess_invalid(self):
        self.assertEqual(None, convert.guess_format('testdata.invalid'))