Add value converter test

Author: fabien.menager

tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/DbContext/TestDbContext.cs

@@ -1,8 +1,20 @@
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
 namespace PhenX.EntityFrameworkCore.BulkInsert.Tests.DbContext;
 
 public class TestDbContext : TestDbContextBase
 {
     public DbSet<TestEntity> TestEntities { get; set; } = null!;
+    public DbSet<TestEntityWithConverters> TestEntitiesWithConverters { get; set; } = null!;
+
+    protected override void OnModelCreating(ModelBuilder modelBuilder)
+    {
+        base.OnModelCreating(modelBuilder);
+        modelBuilder.Entity<TestEntityWithConverters>(builder =>
+        {
+            builder.Property(e => e.CreatedAt)
+                .HasConversion(new DateTimeToBinaryConverter());
+        });
+    }
 }

tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/DbContext/TestEntityWithConverters.cs

@@ -0,0 +1,18 @@
+using System.ComponentModel.DataAnnotations;
+using System.ComponentModel.DataAnnotations.Schema;
+
+namespace PhenX.EntityFrameworkCore.BulkInsert.Tests.DbContext;
+
+[Table("test_entity_with_converters")]
+public class TestEntityWithConverters
+{
+    public int Id { get; set; }
+
+    [Column("name")]
+    [MaxLength(100)]
+    public string Name { get; set; } = string.Empty;
+
+    [Column("created_at")]
+    public DateTime CreatedAt { get; set; }
+}
+

tests/PhenX.EntityFrameworkCore.BulkInsert.Tests/Tests/Basic/BasicTestsBase.cs

@@ -236,6 +236,27 @@ await DbContainer.DbContext.ExecuteInsertAsync(entities, o =>
         Assert.Contains(insertedEntities, e => e.Name == "Entity" + count);
     }
 
+    [Fact]
+    public async Task InsertAndRead_EntityWithValueConverters()
+    {
+        // Arrange
+        var now = DateTime.UtcNow;
+        var entities = new List<TestEntityWithConverters>
+        {
+            new() { Name = "Entity1", CreatedAt = now },
+            new() { Name = "Entity2", CreatedAt = now.AddDays(-1) }
+        };
+
+        // Act
+        await DbContainer.DbContext.ExecuteInsertAsync(entities);
+        var inserted = DbContainer.DbContext.TestEntitiesWithConverters.ToList();
+
+        // Assert
+        Assert.Equal(2, inserted.Count);
+        Assert.Contains(inserted, e => e.Name == "Entity1" && e.CreatedAt == now);
+        Assert.Contains(inserted, e => e.Name == "Entity2" && e.CreatedAt == now.AddDays(-1));
+    }
+
     public Task InitializeAsync() => DbContainer.InitializeAsync();
 
     public Task DisposeAsync() => DbContainer.DisposeAsync();