def test_set_url_return(self) -> None:
"""
Tests the response of the method which let us set the url to work with.
"""
given = "https://example.org"
download_helper = DownloadHelper()
actual = download_helper.set_url(given)
self.assertIsInstance(actual, DownloadHelper)
def test_set_url_not_str(self) -> None:
"""
Tests the method which let us set the url to work with for the case that
the given url is not a string.
"""
given = ["Hello", "World"]
download_helper = DownloadHelper()
self.assertRaises(TypeError, lambda: download_helper.set_url(given))
def test_set_url(self) -> None:
"""
Tests the method which let us set the url to work with.
"""
given = "https://example.org"
expected = "https://example.org"
download_helper = DownloadHelper()
download_helper.set_url(given)
actual = download_helper.url
self.assertEqual(expected, actual)
download_helper = DownloadHelper(given)
actual = download_helper.url
self.assertEqual(expected, actual)