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# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
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#
#   http://www.apache.org/licenses/LICENSE-2.0
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# software distributed under the License is distributed on an
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from wtforms.form import Form

from superset.forms import CommaSeparatedListField, filter_not_empty_values
from tests.base_tests import SupersetTestCase


class TestForm(SupersetTestCase):
    def test_comma_separated_list_field(self):
        field = CommaSeparatedListField().bind(Form(), "foo")
        field.process_formdata([u""])
        self.assertEqual(field.data, [u""])

        field.process_formdata(["a,comma,separated,list"])
        self.assertEqual(field.data, [u"a", u"comma", u"separated", u"list"])

    def test_filter_not_empty_values(self):
        self.assertEqual(filter_not_empty_values(None), None)
        self.assertEqual(filter_not_empty_values([]), None)
        self.assertEqual(filter_not_empty_values([""]), None)
        self.assertEqual(filter_not_empty_values(["hi"]), ["hi"])