Develop (#22)

* Testes (#20)

* CNH validation

* teste

* Fix cnh validation

.gitignore

@@ -16,4 +16,5 @@ bld/
 !.vscode/tasks.json
 !.vscode/launch.json
 !.vscode/extensions.json
+.vs/
 .history

src/Flunt.Br/Extensions/PersonContractExtensions.cs

@@ -29,5 +29,12 @@ public static Contract IsVoterDocument(this Contract contract, string value, str
                 contract.AddNotification(property, message);
             return contract;
         }
+
+        public static Contract IsCnh(this Contract contract, string value, string property, string message)
+        {
+            if(string.IsNullOrEmpty(value) || !new Cnh().Validate(value))
+                contract.AddNotification(property,message);
+            return contract;
+        }
     }
 }

src/Flunt.Br/Validations/Cnh.cs

@@ -0,0 +1,52 @@
+using System;
+using Flunt.Br.Document.Interfaces;
+
+namespace Flunt.Br.Validations
+{
+    internal class Cnh : IValidate
+    {
+        public bool Validate(string valor)
+        {
+            bool isValid = false;
+
+            var Cnh = valor;
+
+            var FirstChar = Cnh[0];
+
+            if (Cnh.Length == 11 && Cnh != new string('1', 11))
+            {
+                var dsc = 0;
+                var v = 0;
+
+                for (int i = 0, j = 9; i < 9; i++, j--)
+                {
+                    v += (Convert.ToInt32(Cnh[i].ToString()) * j);
+                }
+
+                var vl1 = v % 11;
+
+                if (vl1 >= 10)
+                {
+                    vl1 = 0;
+                    dsc = 2;
+                }
+
+                v = 0;
+
+                for (int i = 0, j = 1; i < 9; ++i, ++j)
+                {
+                    v += (Convert.ToInt32(Cnh[i].ToString()) * j);
+                }
+
+                var x = v % 11;
+                var vl2 = (x >= 10) ? 0 : x - dsc;
+
+                isValid = vl1.ToString() + vl2.ToString() == Cnh.Substring(Cnh.Length - 2, 2);
+
+            }
+
+            return isValid;
+
+        }
+    }
+}

tests/Flunt.Br.Tests/PersonContractTest.cs

@@ -73,5 +73,29 @@ public void IsVoterDocument_Valid(string value)
                 .IsVoterDocument(value, "document", "Invalid document");
             Assert.IsTrue(right.Valid);
         }
+
+
+        [TestMethod]
+        [DataRow("668247690132")]
+        [DataRow("333438450601")]
+        [DataRow("6568351232550")]
+        [DataRow(null)]
+        public void IsCnh_Invalid(string value)
+        {
+            var wrong = new Contract()
+                .IsCnh(value, "document", "Invalid document");
+            Assert.IsFalse(wrong.Valid);
+        }
+
+        [TestMethod]
+        [DataRow("09974348506")]
+        [DataRow("32983022807")]
+        [DataRow("93642298453")]
+        public void IsCnh_Valid(string value)
+        {
+            var right = new Contract()
+                .IsCnh(value, "document", "Invalid document");
+            Assert.IsTrue(right.Valid);
+        }
     }
 }