Add initial implementation of product management API

2026-02-21 23:51:01 +01:00
commit 8e1b023303
31 changed files with 969 additions and 0 deletions
--- a/EndavaTask.Tests/ProductServiceTests.cs
+++ b/EndavaTask.Tests/ProductServiceTests.cs
@@ -0,0 +1,90 @@
+using EndavaTask.Contracts;
+using EndavaTask.Data;
+using EndavaTask.Dtos;
+using EndavaTask.Exceptions;
+using EndavaTask.Models;
+using EndavaTask.Services;
+using Moq;
+using Xunit;
+
+namespace EndavaTask.Tests;
+
+public class ProductServiceTests
+{
+    [Fact]
+    public void GetProducts_WithRepositoryResult_MapsAndReturnsPagedResult()
+    {
+        var categoryId = Guid.Parse("aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa");
+        var repositoryMock = new Mock<IProductRepository>();
+        
+        repositoryMock
+            .Setup(r => r.CategoryExists(categoryId))
+            .Returns(true);
+        
+        repositoryMock
+            .Setup(r => r.GetFilteredProducts(It.IsAny<ProductFilterQuery>(), It.IsAny<PaginationQuery>()))
+            .Returns(new PagedResult<Product>
+            {
+                Items =
+                [
+                    new Product { Id = Guid.NewGuid(), Name = "Laptop", Price = 1200m, CategoryId = categoryId },
+                    new Product { Id = Guid.NewGuid(), Name = "Headphones", Price = 180m, CategoryId = categoryId }
+                ],
+                PageNumber = 1,
+                PageSize = 2,
+                TotalCount = 3,
+                TotalPages = 2
+            });
+
+        var service = new ProductService(repositoryMock.Object);
+        var result = service.GetProducts(new ProductFilterQuery { CategoryId = categoryId }, new PaginationQuery { PageNumber = 1, PageSize = 2 });
+        var value = Assert.IsType<PagedResult<ProductDto>>(result);
+
+        Assert.Equal(2, value.Items.Count);
+        Assert.Equal(3, value.TotalCount);
+        Assert.Equal(2, value.TotalPages);
+    }
+
+    [Fact]
+    public void UpdateProduct_WithRepositoryEntity_ReturnsMappedDto()
+    {
+        var productId = Guid.Parse("55555555-5555-5555-5555-555555555555");
+        var categoryId = Guid.Parse("aaaaaaaa-aaaa-aaaa-aaaa-aaaaaaaaaaaa");
+        
+        var repositoryMock = new Mock<IProductRepository>();
+        
+        repositoryMock
+            .Setup(r => r.UpdateProduct(productId, It.IsAny<UpdateProductRequest>()))
+            .Returns(new Product
+            {
+                Id = productId,
+                Name = "Updated Monitor",
+                Price = 350m,
+                CategoryId = categoryId
+            });
+
+        var service = new ProductService(repositoryMock.Object);
+        var result = service.UpdateProduct(productId, new UpdateProductRequest { Name = "Updated Monitor", Price = 350m });
+        var value = Assert.IsType<ProductDto>(result);
+
+        Assert.Equal("Updated Monitor", value.Name);
+        Assert.Equal(350m, value.Price);
+    }
+
+    [Fact]
+    public void GetProducts_WithUnknownCategory_ThrowsValidationException()
+    {
+        var repositoryMock = new Mock<IProductRepository>();
+        
+        repositoryMock
+            .Setup(r => r.CategoryExists(It.IsAny<Guid>()))
+            .Returns(false);
+
+        var service = new ProductService(repositoryMock.Object);
+
+        var exception = Assert.Throws<ApiValidationException>(() =>
+            service.GetProducts(new ProductFilterQuery { CategoryId = Guid.NewGuid() }, new PaginationQuery()));
+
+        Assert.True(exception.Errors.ContainsKey(nameof(ProductFilterQuery.CategoryId)));
+    }
+}