From 18065fa9d203a9187df46bf4ed6328ffdc10bdc5 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Sat, 8 Aug 2020 16:12:34 +0800
Subject: Add unique id test in name validator.

---
 Timeline.Tests/UsernameValidatorUnitTest.cs                    | 6 ++++++
 Timeline/Models/Validation/NameValidator.cs                    | 9 +++++++++
 Timeline/Resources/Models/Validation/NameValidator.Designer.cs | 9 +++++++++
 Timeline/Resources/Models/Validation/NameValidator.resx        | 3 +++
 4 files changed, 27 insertions(+)

diff --git a/Timeline.Tests/UsernameValidatorUnitTest.cs b/Timeline.Tests/UsernameValidatorUnitTest.cs
index 8824362b..5b568adf 100644
--- a/Timeline.Tests/UsernameValidatorUnitTest.cs
+++ b/Timeline.Tests/UsernameValidatorUnitTest.cs
@@ -52,6 +52,12 @@ namespace Timeline.Tests
             FailAndMessage(new string('a', 40)).Should().ContainEquivalentOf("long");
         }
 
+        [Fact(Skip = "Currently name can't be longer than 26. So this will print message of too long.")]
+        public void UniqueId()
+        {
+            FailAndMessage("e4c80127d092d9b2fc19c5e04612d4c0").Should().ContainEquivalentOf("unique id");
+        }
+
         [Theory]
         [InlineData(null)]
         [InlineData("abc")]
diff --git a/Timeline/Models/Validation/NameValidator.cs b/Timeline/Models/Validation/NameValidator.cs
index dec2b872..b74c40b7 100644
--- a/Timeline/Models/Validation/NameValidator.cs
+++ b/Timeline/Models/Validation/NameValidator.cs
@@ -1,10 +1,13 @@
 using System.Linq;
+using System.Text.RegularExpressions;
 using static Timeline.Resources.Models.Validation.NameValidator;
 
 namespace Timeline.Models.Validation
 {
     public class NameValidator : Validator<string>
     {
+        private static Regex UniqueIdRegex { get; } = new Regex(@"^[a-zA-Z0-9]{32}$");
+
         public const int MaxLength = 26;
 
         protected override (bool, string) DoValidate(string value)
@@ -27,6 +30,12 @@ namespace Timeline.Models.Validation
                 }
             }
 
+            // Currently name can't be longer than 26. So this is not needed. But reserve it for future use.
+            if (UniqueIdRegex.IsMatch(value))
+            {
+                return (false, MessageUnqiueId);
+            }
+
             return (true, GetSuccessMessage());
         }
     }
diff --git a/Timeline/Resources/Models/Validation/NameValidator.Designer.cs b/Timeline/Resources/Models/Validation/NameValidator.Designer.cs
index 5b869226..3050049e 100644
--- a/Timeline/Resources/Models/Validation/NameValidator.Designer.cs
+++ b/Timeline/Resources/Models/Validation/NameValidator.Designer.cs
@@ -86,5 +86,14 @@ namespace Timeline.Resources.Models.Validation {
                 return ResourceManager.GetString("MessageTooLong", resourceCulture);
             }
         }
+        
+        /// <summary>
+        ///   Looks up a localized string similar to Name can&apos;t be of the same format of unique id..
+        /// </summary>
+        internal static string MessageUnqiueId {
+            get {
+                return ResourceManager.GetString("MessageUnqiueId", resourceCulture);
+            }
+        }
     }
 }
diff --git a/Timeline/Resources/Models/Validation/NameValidator.resx b/Timeline/Resources/Models/Validation/NameValidator.resx
index 08a814d0..5e7e1745 100644
--- a/Timeline/Resources/Models/Validation/NameValidator.resx
+++ b/Timeline/Resources/Models/Validation/NameValidator.resx
@@ -126,4 +126,7 @@
   <data name="MessageTooLong" xml:space="preserve">
     <value>Too long, more than 26 characters is not premitted.</value>
   </data>
+  <data name="MessageUnqiueId" xml:space="preserve">
+    <value>Name can't be of the same format of unique id.</value>
+  </data>
 </root>
\ No newline at end of file
-- 
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