public async Task GetAllItemsAllPageSizesAllCurrPagesCorrectValid()
{
for (int pageSize = 1; pageSize <= _items.Count; pageSize++)
{
for (int currentPage = _items.Count; currentPage >= 1; currentPage--)
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
CurrentPage = currentPage,
PageSize = pageSize
};
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.TotalPages == (int)Math.Ceiling((_items.Count) / (double)testModelListDto.PageSize));
if (testModelListDto.CurrentPage < testModelListDto.TotalPages)
{
Assert.True(testModelListDto.Items.Count == testModelListDto.PageSize);
}
else if (testModelListDto.CurrentPage > testModelListDto.TotalPages)
{
Assert.True(testModelListDto.Items.Count == 0);
}
else
{
Assert.True(testModelListDto.Items.Count == _items.Count -
((testModelListDto.TotalPages - 1) * testModelListDto.PageSize));
}
}
}
}
public async Task GetAllItemsPageSize6CurrPage4CorrectValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
CurrentPage = 4,
PageSize = 6
};
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.TotalPages == 4);
Assert.True(testModelListDto.Items.Count == 2);
//Check with formula
Assert.True(testModelListDto.TotalPages == (int)Math.Ceiling((_items.Count) / (double)testModelListDto.PageSize));
if (testModelListDto.CurrentPage < testModelListDto.TotalPages)
{
Assert.True(testModelListDto.Items.Count == testModelListDto.PageSize);
}
else
{
Assert.True(testModelListDto.Items.Count == _items.Count - ((testModelListDto.TotalPages - 1) * testModelListDto.PageSize));
}
Assert.True(testModelListDto.IsFirst == false);
Assert.True(testModelListDto.IsLast == true);
}
public async Task GetAllItemsPageSize0EmptyListCorrectValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
CurrentPage = 1,
PageSize = 0
};
_settings.Value.PageSize = 0;
_context.RemoveRange(_items);
_context.SaveChanges();
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.CurrentPage == 1);
Assert.True(testModelListDto.PageSize == _settings.Value.PageSize);
Assert.True(testModelListDto.TotalItems == 0);
Assert.True(testModelListDto.TotalPages == 0);
Assert.True(testModelListDto.IsFirst == true);
Assert.True(testModelListDto.IsLast == true);
}
private async Task <TestModelListDto> GetAllItemsFilteredAsync(GetPaginatedListDto getPaginatedListDto)
{
var testModels = await PaginatedList <TestModel>
.FromIQueryable(GetAllItemsAsync(getPaginatedListDto.Filter),
getPaginatedListDto.CurrentPage,
getPaginatedListDto.PageSize == 0?_settings.Value.PageSize : getPaginatedListDto.PageSize);
var testModelListDto = new TestModelListDto(testModels);
return(testModelListDto);
}
public void GetPaginatedListDtoValidatorEmptyCorrectIsValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto
{
};
//Act
var validationResult = new GetPaginatedListDtoValidator().Validate(getPaginatedListDto);
// Assert
Assert.Empty(validationResult.Errors);
}
public async Task GetAllItemsEmptyDtoCorrectValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
};
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.CurrentPage == 1);
Assert.True(testModelListDto.PageSize == _settings.Value.PageSize);
Assert.True(testModelListDto.TotalItems == _items.Count);
Assert.True(testModelListDto.IsFirst == true);
Assert.True(testModelListDto.IsLast == true);
}
public async Task GetAllItemsCorrectValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
CurrentPage = 1,
PageSize = 10
};
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.CurrentPage == getPaginatedListDto.CurrentPage);
Assert.True(testModelListDto.PageSize == getPaginatedListDto.PageSize);
Assert.True(testModelListDto.TotalItems == _items.Count);
}
public void GetPaginatedListDtoValidatorIncorrectIsNotValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto
{
CurrentPage = -1,
PageSize = -2
};
//Act
var validationResult = new GetPaginatedListDtoValidator().Validate(getPaginatedListDto);
// Assert
Assert.True(validationResult.Errors.Count == 2);
Assert.True(validationResult.Errors.Count(x => x.PropertyName == "CurrentPage") == 1);
Assert.True(validationResult.Errors.Count(x => x.PropertyName == "PageSize") == 1);
}
public async Task GetAllItemsFilteredCorrectValid()
{
// Arrange
var getPaginatedListDto = new GetPaginatedListDto()
{
Filter = "test",
CurrentPage = 1,
PageSize = 10
};
//Act
var testModelListDto = await GetAllItemsFilteredAsync(getPaginatedListDto);
// Assert
Assert.True(testModelListDto.TotalItems == _testItemsCount);
Assert.True(testModelListDto.TotalPages == 1);
Assert.True(testModelListDto.IsFirst == true);
Assert.True(testModelListDto.IsLast == true);
}
