public void Map_ReturnsNewKStream()
{
var observable = Observable.Return(DEFAULT_KEY_VALUE_PAIR);
var testObject = new KStream <Unit, Unit>(observable);
var actual = testObject.Map((k, v) => KeyValuePair.Create(k, v));
Assert.NotSame(testObject, actual);
}
public async void Map_AppliesMapperToStream_WithTypesDifferentFromInput()
{
var observable = new[] {
KeyValuePair.Create("hello", "WORLD"),
KeyValuePair.Create("it's", "ME")
}.ToObservable();
var testObject = new KStream <string, string>(observable);
var expected = new[] {
KeyValuePair.Create(5, 5),
KeyValuePair.Create(4, 2)
};
var actual = await testObject
.Map((k, v) =>
KeyValuePair.Create <int, int>(k.Length, v.Length)
)
.ToObservable()
.ToList()
.SingleAsync();
Assert.Equal(expected, actual);
}
public async void Map_AppliesMapperToStream()
{
var observable = new[] {
KeyValuePair.Create("hello", "WORLD"),
KeyValuePair.Create("it's", "ME")
}.ToObservable();
var testObject = new KStream <string, string>(observable);
var expected = new[] {
KeyValuePair.Create("HELLO", "world"),
KeyValuePair.Create("IT'S", "me")
};
var actual = await testObject
.Map((k, v) =>
KeyValuePair.Create(k.ToUpper(), v.ToLower())
)
.ToObservable()
.ToList()
.SingleAsync();
Assert.Equal(expected, actual);
}