public void Channel_slug_can_be_parsed_from_a_URL_string(string channelUrl, string expectedChannelSlug)
{
// Act
var parsed = ChannelSlug.Parse(channelUrl);
// Assert
parsed.Value.Should().Be(expectedChannelSlug);
}
public void Channel_slug_cannot_be_parsed_from_an_invalid_string(string channelSlugOrUrl)
{
// Act & assert
Assert.Throws <ArgumentException>(() => ChannelSlug.Parse(channelSlugOrUrl));
}