public async Task <IEnumerable <string> > CreateSteams(string stem)
{
if (string.IsNullOrEmpty(stem))
{
return(new List <string>());
}
var githubData = await _gitHubClient.GetDataAsync();
return(githubData?.Where(x => x.ToLowerInvariant().StartsWith(stem.ToLowerInvariant())));
}
public async Task CreateSteams_WithStem_ReturnsPrefixedItems()
{
var stem = "abc";
var stems = new List <string> {
"abcde", "Abcdef", "123"
};
var expected = new List <string> {
"abcde", "Abcdef"
};
_gitHubClient.GetDataAsync().Returns(stems);
var sut = CreateSut();
var actual = await sut.CreateSteams(stem);
//Assert
Assert.Equal(expected, actual);
}
