Create unit tests for add product exceptional flows.

clodoalves · May 22, 2022 · 37c7283 · 37c7283
1 parent 262ab13
commit 37c7283
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Showing 2 changed files with 134 additions and 34 deletions.
diff --git a/WPFSample/WPFSample.Service/Implementation/ProductService.cs b/WPFSample/WPFSample.Service/Implementation/ProductService.cs
@@ -37,34 +37,6 @@ public void AddProduct(Product product, IList<FileStream> filesWindow)
             SaveImages(product, filesWindow);
         }
 
-        private void ValidateLimitCharacters(Product product)
-        {
-            StringBuilder sb = new StringBuilder();
-
-            if (product.Title.Length > 25)
-            {
-                sb.AppendLine($"{nameof(product.Title)} has limit of 25 characteres");
-            }
-
-            if (product.Description.Length > 200)
-            {
-                sb.AppendLine($"{nameof(product.Description)} has limit of 200 characteres");
-            }
-
-            if (product.Price.ToString().Length > 10)
-            {
-                sb.AppendLine($"{nameof(product.Price)} has limit of 10 characteres");
-            }
-
-            if (product.Quantity.ToString().Length > 4)
-            {
-                sb.AppendLine($"{nameof(product.Quantity)} has limit of 4 characteres");
-            }
-
-            if (sb.Length > 0)
-                throw new FieldExceedCaracterLimitException(sb.ToString());
-        }
-
         private void ValidateRequiredFields(Product product)
         {
             StringBuilder sb = new StringBuilder();
@@ -90,23 +62,49 @@ private void ValidateRequiredFields(Product product)
             if (sb.Length > 0)
                 throw new RequiredFieldException(sb.ToString());
         }
-
         private void ValidateNumericFields(Product product)
         {
             StringBuilder sb = new StringBuilder();
 
-            if (product.Price <= 0)
+            if (product.Price < 0)
             {
                 sb.AppendLine($"{product.Price} less than zero");
             }
-            if (product.Quantity <= 0)
+            if (product.Quantity < 0)
             {
                 sb.AppendLine($"{product.Quantity} less than zero");
             }
 
             if (sb.Length > 0)
                 throw new NumericFieldLessThanZeroException(sb.ToString());
         }
+        private void ValidateLimitCharacters(Product product)
+        {
+            StringBuilder sb = new StringBuilder();
+
+            if (product.Title.Length > 25)
+            {
+                sb.AppendLine($"{nameof(product.Title)} has limit of 25 characteres");
+            }
+
+            if (product.Description.Length > 80)
+            {
+                sb.AppendLine($"{nameof(product.Description)} has limit of 200 characteres");
+            }
+
+            if (product.Price.ToString().Length > 10)
+            {
+                sb.AppendLine($"{nameof(product.Price)} has limit of 10 characteres");
+            }
+
+            if (product.Quantity.ToString().Length > 4)
+            {
+                sb.AppendLine($"{nameof(product.Quantity)} has limit of 4 characteres");
+            }
+
+            if (sb.Length > 0)
+                throw new FieldExceedCaracterLimitException(sb.ToString());
+        }
 
         private void AddImagesToProduct(Product product, IList<FileStream> filesWindow)
         {

diff --git a/WPFSample/WPFSample.Test/Service/ProductServiceTest.cs b/WPFSample/WPFSample.Test/Service/ProductServiceTest.cs
@@ -8,6 +8,7 @@
 using WPFSample.Domain;
 using WPFSample.Service.Contract;
 using WPFSample.Service.Implementation;
+using WPFSample.Service.Exceptions.Product;
 
 namespace WPFSample.Test.Service
 {
@@ -29,18 +30,119 @@ public void ConfigureDependecies()
         [Test]
         public void AddProductWithoutTitleTest()
         {
-
             _product.Title = string.Empty;
+            _product.Description = "New product";
+            _product.Price = 100;
+            _product.Quantity = 1;
+
+            Assert.Throws(typeof(RequiredFieldException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithoutDescriptionTest() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = string.Empty;
             _product.Price = 100;
             _product.Quantity = 1;
-            _product.Id = 1;
-            _productService.AddProduct(_product, _files);
+
+            Assert.Throws(typeof(RequiredFieldException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithoutQuantity() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = 100;
+            _product.Quantity = 0;
+
+            Assert.Throws(typeof(RequiredFieldException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithoutPrice() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = 0;
+            _product.Quantity = 10;
+
+            Assert.Throws(typeof(RequiredFieldException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithPriceLessThanZero() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = -2;
+            _product.Quantity = 10;
+
+            Assert.Throws(typeof(NumericFieldLessThanZeroException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithQuantityLessThanZero() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = 3;
+            _product.Quantity = -5;
+
+            Assert.Throws(typeof(NumericFieldLessThanZeroException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithTitleThatExceedsLimitCharacters() 
+        {
+            _product.Title = "Product with loooooooooooooooooooooooooooooooooooooooooooooooooog title";
+            _product.Description = "New product";
+            _product.Price = 3;
+            _product.Quantity = 1;
+
+            Assert.Throws(typeof(FieldExceedCaracterLimitException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithDescriptionThatExceedsLimitCharacters()
+        { 
+            _product.Title = "New laptop";
+            _product.Description = "Product with loooooooooooooooooooooooooooooooooooooooooooooooooooooooooooooong description";
+            _product.Price = 3;
+            _product.Quantity = 1;
+
+            Assert.Throws(typeof(FieldExceedCaracterLimitException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithPriceThatExceedsLimitNumbers()
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = 100000000000;
+            _product.Quantity = 1;
+
+            Assert.Throws(typeof(FieldExceedCaracterLimitException), () => _productService.AddProduct(_product, _files));
+        }
+
+        [Test]
+        public void AddProductWithQuantityThatExceedsLimitNumbers() 
+        {
+            _product.Title = "New laptop";
+            _product.Description = "New product";
+            _product.Price = 3;
+            _product.Quantity = 100000000;
+
+            Assert.Throws(typeof(FieldExceedCaracterLimitException), () => _productService.AddProduct(_product, _files));
         }
 
         [TearDown]
         public void ClearConfiguration()
         {
             _product = null;
+            _files = null;
+            _productService = null;
         }
     }
 }