Fixed possible migration issues from Blazored.LocalStorage to MS LocalStorage

Author: linkdotnet

LinkDotNet.Blog.UnitTests/Web/Shared/Services/UserRecordServiceTests.cs

@@ -81,13 +81,24 @@ public async Task ShouldNotStoreForAdmin()
         [Fact]
         public async Task ShouldNotThrowExceptionToOutsideWorld()
         {
-            localStorageService.Setup(l => l.ContainKeyAsync("user")).Throws<Exception>();
+            localStorageService.Setup(l => l.SetItemAsync("user", "some value")).Throws<Exception>();
 
             Func<Task> act = () => sut.StoreUserRecordAsync();
 
             await act.Should().NotThrowAsync<Exception>();
         }
 
+        [Fact]
+        public async Task ShouldReturnFalseWhenContainKeyOnExceptionAndCreateNewOne()
+        {
+            localStorageService.Setup(l => l.ContainKeyAsync("user")).Throws<Exception>();
+
+            await sut.StoreUserRecordAsync();
+
+            repositoryMock.Verify(l => l.StoreAsync(It.IsAny<UserRecord>()), Times.Once);
+            localStorageService.Verify(l => l.SetItemAsync("user", It.IsAny<Guid>()), Times.Once);
+        }
+
         [InlineData("http://localhost/blogPost/12?q=3", "blogPost/12")]
         [InlineData("http://localhost/?q=3", "")]
         [InlineData("", "")]

LinkDotNet.Blog.Web/Shared/Services/UserRecordService.cs

@@ -1,5 +1,4 @@
 using System;
-using System.Diagnostics;
 using System.Threading.Tasks;
 using LinkDotNet.Blog.Domain;
 using LinkDotNet.Blog.Infrastructure.Persistence;
@@ -35,7 +34,7 @@ public async Task StoreUserRecordAsync()
             }
             catch (Exception e)
             {
-                Trace.Write($"Exception: {e}");
+                Console.Write($"Exception: {e}");
             }
         }
 
@@ -63,7 +62,7 @@ private async Task GetAndStoreUserRecordAsync()
 
         private async Task<int> GetIdentifierHashAsync()
         {
-            var hasKey = await localStorageService.ContainKeyAsync("user");
+            var hasKey = await TryGetKey();
             if (hasKey)
             {
                 var key = await localStorageService.GetItemAsync<Guid>("user");
@@ -75,6 +74,20 @@ private async Task<int> GetIdentifierHashAsync()
             return id.GetHashCode();
         }
 
+        private async Task<bool> TryGetKey()
+        {
+            try
+            {
+                var hasKey = await localStorageService.ContainKeyAsync("user");
+                return hasKey;
+            }
+            catch (Exception e)
+            {
+                Console.WriteLine($"Couldn't obtain key: \"user\": {e}");
+                return false;
+            }
+        }
+
         private string GetClickedUrl()
         {
             var basePath = navigationManager.ToBaseRelativePath(navigationManager.Uri);