public void Test_With_Second_Page_Empty()
{
var firstPageUri = new Uri("http://1");
var secondPageUri = new Uri("http://2");
var firstPage = new Mock <IPagedResult <int> >();
firstPage.Setup(x => x.next_href).Returns(secondPageUri);
firstPage.Setup(x => x.HasNextPage).Returns(true);
firstPage.Setup(x => x.collection).Returns(new List <int> {
1, 2, 3
});
var secondPage = new Mock <IPagedResult <int> >();
secondPage.Setup(x => x.next_href).Returns((Uri)null);
secondPage.Setup(x => x.HasNextPage).Returns(false);
secondPage.Setup(x => x.collection).Returns(new List <int>());
var pages = new Dictionary <Uri, IPagedResult <int> >();
pages.Add(firstPageUri, firstPage.Object);
pages.Add(secondPageUri, secondPage.Object);
var list = new SoundCloudList <int>(firstPageUri, x => pages[x]);
var result = list.Get().ToList();
Assert.That(result.Count, Is.EqualTo(3));
Assert.That(result[0], Is.EqualTo(1));
Assert.That(result[2], Is.EqualTo(3));
}
public void Test_Multiple_Take_Operations()
{
var firstPageUri = new Uri("http://1");
var secondPageUri = new Uri("http://2");
var firstPage = new Mock <IPagedResult <int> >();
firstPage.Setup(x => x.next_href).Returns(secondPageUri);
firstPage.Setup(x => x.HasNextPage).Returns(true);
firstPage.Setup(x => x.collection).Returns(new List <int> {
1, 2, 3
});
var secondPage = new Mock <IPagedResult <int> >();
secondPage.Setup(x => x.next_href).Returns((Uri)null);
secondPage.Setup(x => x.HasNextPage).Returns(false);
secondPage.Setup(x => x.collection).Returns(new List <int> {
4, 5, 6
});
var pages = new Dictionary <Uri, IPagedResult <int> >();
pages.Add(firstPageUri, firstPage.Object);
pages.Add(secondPageUri, secondPage.Object);
var list = new SoundCloudList <int>(firstPageUri, x => pages[x]);
var enumerable = list.Get();
var batch1 = enumerable.Take(5).ToList();
Assert.That(batch1.Count, Is.EqualTo(5));
Assert.That(batch1[0], Is.EqualTo(1));
Assert.That(batch1[4], Is.EqualTo(5));
var batch2 = enumerable.Take(1).ToList();
Assert.That(batch2.Count, Is.EqualTo(1));
Assert.That(batch2[0], Is.EqualTo(1));
}
public void Test_Skip_Take()
{
var firstPageUri = new Uri("http://1");
var secondPageUri = new Uri("http://2");
var thirdPageUri = new Uri("http://3");
var firstPage = new Mock <IPagedResult <int> >();
firstPage.Setup(x => x.next_href).Returns(secondPageUri);
firstPage.Setup(x => x.HasNextPage).Returns(true);
firstPage.Setup(x => x.collection).Returns(new List <int> {
1, 2, 3
});
var secondPage = new Mock <IPagedResult <int> >();
secondPage.Setup(x => x.next_href).Returns(thirdPageUri);
secondPage.Setup(x => x.HasNextPage).Returns(true);
secondPage.Setup(x => x.collection).Returns(new List <int> {
4, 5, 6
});
var thirdPage = new Mock <IPagedResult <int> >();
thirdPage.Setup(x => x.next_href).Returns((Uri)null);
thirdPage.Setup(x => x.HasNextPage).Returns(false);
thirdPage.Setup(x => x.collection).Returns(new List <int> {
7, 8, 9
});
var pages = new Dictionary <Uri, IPagedResult <int> >();
pages.Add(firstPageUri, firstPage.Object);
pages.Add(secondPageUri, secondPage.Object);
pages.Add(thirdPageUri, thirdPage.Object);
var list = new SoundCloudList <int>(firstPageUri, x => pages[x]);
var enumerable = list.Get();
var batch1 = enumerable.Take(2).ToList();
Assert.That(batch1.Count, Is.EqualTo(2));
Assert.That(batch1[0], Is.EqualTo(1));
Assert.That(batch1[1], Is.EqualTo(2));
var batch2 = enumerable.Skip(2).Take(2).ToList();
Assert.That(batch2.Count, Is.EqualTo(2));
Assert.That(batch2[0], Is.EqualTo(3));
Assert.That(batch2[1], Is.EqualTo(4));
var batch3 = enumerable.Skip(4).Take(2).ToList();
Assert.That(batch3.Count, Is.EqualTo(2));
Assert.That(batch3[0], Is.EqualTo(5));
Assert.That(batch3[1], Is.EqualTo(6));
var batch4 = enumerable.Skip(6).Take(2).ToList();
Assert.That(batch4.Count, Is.EqualTo(2));
Assert.That(batch4[0], Is.EqualTo(7));
Assert.That(batch4[1], Is.EqualTo(8));
}