Add tests for mail SQL Util validations

Author: yoavfr

src/Sql/Sql.Test/UnitTests/AzureSqlUtilTests.cs

@@ -0,0 +1,25 @@
+using Microsoft.Azure.Commands.Sql.Services;
+using Microsoft.WindowsAzure.Commands.ScenarioTest;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using Xunit;
+
+namespace Microsoft.Azure.Commands.Sql.Test.UnitTests
+{
+    public class AzureSqlUtilTests
+    {
+        [Fact]
+        [Trait(Category.AcceptanceType, Category.CheckIn)]
+        public void MailValidation()
+        {
+            Assert.True(Util.AreEmailAddressesInCorrectFormat(new[] {
+                "[email protected]",
+                "[email protected]",
+                "[email protected]"}), "Valid email addresses are flagged as invalid");
+            Assert.False(Util.AreEmailAddressesInCorrectFormat(new[] { "kuku" }), "Invalid mail address not detected");
+            Assert.False(Util.AreEmailAddressesInCorrectFormat(new[] { "kuku@microsoft" }), "Invalid mail address not detected");
+            Assert.False(Util.AreEmailAddressesInCorrectFormat(new[] { "@micorsoft.com", "[email protected]" }), "One fauly mail address should fail the lot");
+        }
+    }
+}