Specified a FK in scenario of a required one-to-one relationship. Note that not specifying it results in EF Core configuring this relationship using an identifying FK on the dependent side (Shipment), which is a type of modeling that does not make sense in the scope of JSON:API.

maurei · Bart Koelman · commit 5eae4e28f35f · 2021-06-22T22:56:20.000+02:00
diff --git a/test/JsonApiDotNetCoreExampleTests/IntegrationTests/RequiredRelationships/DefaultBehaviorDbContext.cs b/test/JsonApiDotNetCoreExampleTests/IntegrationTests/RequiredRelationships/DefaultBehaviorDbContext.cs
@@ -27,7 +27,7 @@ protected override void OnModelCreating(ModelBuilder builder)
             builder.Entity<Order>()
                 .HasOne(order => order.Shipment)
                 .WithOne(shipment => shipment.Order)
-                .HasForeignKey<Shipment>()
+                .HasForeignKey<Shipment>("OrderId")
                 .IsRequired();
         }
     }

Original file line number	Diff line number	Diff line change
`@@ -27,7 +27,7 @@ protected override void OnModelCreating(ModelBuilder builder)`
`27`	`27`	`builder.Entity<Order>()`
`28`	`28`	`.HasOne(order => order.Shipment)`
`29`	`29`	`.WithOne(shipment => shipment.Order)`
`30`		`- .HasForeignKey<Shipment>()`
	`30`	`+ .HasForeignKey<Shipment>("OrderId")`
`31`	`31`	`.IsRequired();`
`32`	`32`	`}`
`33`	`33`	`}`