public void GetCountOfPages_ProvideSelectedCategory_ShouldReturnPagesCountForSelectedCategory(int pageSize, int expectedPagesCount)
{
// Arrange:
const string SELECTED_CATEGORY = "some category";
var configurationReaderMock = new Mock <IAppConfigurationReader>();
configurationReaderMock.Setup(reader => reader.GetProductsCountPerPage()).Returns(pageSize);
var selectedCategoryProducts = new List <Product>
{
new Product {
ProductID = 1, Category = SELECTED_CATEGORY
},
new Product {
ProductID = 2, Category = SELECTED_CATEGORY
},
new Product {
ProductID = 3, Category = SELECTED_CATEGORY
},
new Product {
ProductID = 4, Category = SELECTED_CATEGORY
},
new Product {
ProductID = 5, Category = SELECTED_CATEGORY
}
};
var productsSelectorServiceMock = new Mock <IProductsSelectorService>();
productsSelectorServiceMock.Setup(serviceMock => serviceMock.GetProductsForSelectedCategory(SELECTED_CATEGORY))
.Returns(selectedCategoryProducts.AsQueryable());
var service = new PaginationService(productsSelectorServiceMock.Object, configurationReaderMock.Object);
// Act:
int result = service.GetCountOfPages(SELECTED_CATEGORY);
// Assert:
Assert.AreEqual(expectedPagesCount, result);
}