public void PaginateMultiplePageOnLastPageExpectOutModelIsConsistent()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageSize = 50;
model.PageNumber = 4;
PagingParameterOutModel <String> result = paginer.GetPaginationFromFullList(model, CreateItems(210));
Assert.NotNull(result);
Assert.False(result.HasNextPage);
Assert.True(result.HasPreviousPage);
Assert.True(result.TotalItemsCount == 210);
Assert.True(result.CurrentPage == 4);
IEnumerable <String> items = result.PageItems;
Assert.NotNull(items);
Assert.NotEmpty(items);
IEnumerator <String> enumerator = items.GetEnumerator();
int i = 200;
String valueExceptedi = String.Empty;
while (enumerator.MoveNext())
{
valueExceptedi = "Items number " + i.ToString();
Assert.Equal(valueExceptedi, enumerator.Current);
i++;
}
Assert.True(i == 210);
}
public void PaginateEmptyListsReturnSinglePagePaginationWithEmptyResult()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageNumber = 0;
model.PageSize = 20;
List <String> paginerItems = new List <String>();
PagingParameterOutModel <String> retour = paginer.GetPaginationFromFullList(model, paginerItems);
Assert.NotNull(retour);
Assert.True(retour.TotalItemsCount == 0);
Assert.True(retour.TotalPages == 1);
Assert.True(retour.PageSize == 20);
Assert.NotNull(retour.PageItems);
int itemsCount = 0;
IEnumerator <String> enumerator = retour.PageItems.GetEnumerator();
while (enumerator.MoveNext())
{
itemsCount++;
}
Assert.True(itemsCount == 0);
Assert.False(retour.HasPreviousPage);
Assert.False(retour.HasNextPage);
Assert.True(retour.CurrentPage == 0);
}
public void ValidatePaginationInWithEnumerableNullThrowArgumentNullException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
Assert.Throws <ArgumentNullException>(() => paginer.IsValid(model, null));
}
public void ValidatePaginationInPAgeSizeNullThrowInvalidOperationException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageSize = 0;
Assert.Throws <InvalidOperationException>(() => paginer.IsValid(model, CreateItems(50)));
}
public void PaginateNullListsThrowArgumentNullException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageNumber = 0;
model.PageSize = 20;
Assert.Throws <ArgumentNullException>(() => paginer.GetPaginationFromFullList(model, null));
}
public void ValidatePaginationInFirstPageWithSinglePageEnumerableReturnTrue()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageSize = 50;
model.PageNumber = 0;
Assert.True(paginer.IsValid(model, CreateItems(200)));
}
private void ValidatePaginationInWith49ItemsOutOfBoundEnumerableReturnFalse()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageSize = 50;
model.PageNumber = 2;
Assert.False(paginer.IsValid(model, CreateItems(49)));
}
public void PaginatePaginationInInvalidThrowAInvalidArgumentException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageNumber = 5;
model.PageSize = 100;
Assert.Throws <Exception>(() => paginer.GetPaginationFromFullList(model, CreateItems(50)));
}
public void PaginatePaginationInWithPageSize0ThrowInvalidOperationException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
PagingParameterInModel model = new PagingParameterInModel();
model.PageNumber = 0;
model.PageSize = 0;
Assert.Throws <InvalidOperationException>(() => paginer.GetPaginationFromFullList(model, CreateItems(50)));
}
public void PaginateNullPaginationInThrowArgumentsNullException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
Assert.Throws <ArgumentNullException>(() => paginer.GetPaginationFromFullList(null, PaginationTest.CreateItems(50)));
}
public void ValidatePaginationInWithModelNullThrowArgumentNullException()
{
HRPaginer <String> paginer = new HRPaginer <String>();
Assert.Throws <ArgumentNullException>(() => paginer.IsValid(null, CreateItems(50)));
}