private void DetectChanges_for_changing_fks_that_are_part_of_pk(CompositeBlog663 blog)
{
var modelBuilder = new DbModelBuilder();
modelBuilder
.Entity <CompositeBlog663>()
.HasKey(e => new { e.Id1, e.Id2 })
.HasMany(e => e.Posts)
.WithOptional(e => e.Blog)
.HasForeignKey(e => new { e.BlogId1, e.BlogId2 });
modelBuilder.Entity <CompositePost663>()
.HasKey(e => new { e.Id, e.BlogId2 });
using (var context = new DbContext("Context2628", modelBuilder.Build(ProviderRegistry.Sql2008_ProviderInfo).Compile()))
{
context.Configuration.AutoDetectChangesEnabled = false;
context.Database.Initialize(force: false);
context.Set <CompositeBlog663>().Add(blog);
var post = context.Set <CompositePost663>().Add(new CompositePost663());
post.Id = 1;
post.BlogId1 = 1;
post.BlogId2 = 1;
Assert.Equal(EntityState.Added, context.Entry(blog).State);
Assert.Equal(EntityState.Added, context.Entry(post).State);
((IObjectContextAdapter)context).ObjectContext.AcceptAllChanges();
post.Blog = blog;
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Unchanged, context.Entry(blog).State);
Assert.Same(post, blog.Posts.First());
Assert.Equal(EntityState.Modified, context.Entry(post).State);
Assert.Equal(blog.Id1, post.BlogId1);
Assert.Equal(blog.Id2, post.BlogId2);
}
}
private void DetectChanges_for_changing_fks_that_are_part_of_pk(CompositeBlog663 blog)
{
var modelBuilder = new DbModelBuilder();
modelBuilder
.Entity<CompositeBlog663>()
.HasKey(e => new { e.Id1, e.Id2 })
.HasMany(e => e.Posts)
.WithOptional(e => e.Blog)
.HasForeignKey(e => new { e.BlogId1, e.BlogId2 });
modelBuilder.Entity<CompositePost663>()
.HasKey(e => new { e.Id, e.BlogId2 });
using (var context = new DbContext("Context2628", modelBuilder.Build(ProviderRegistry.Sql2008_ProviderInfo).Compile()))
{
context.Configuration.AutoDetectChangesEnabled = false;
context.Database.Initialize(force: false);
context.Set<CompositeBlog663>().Add(blog);
var post = context.Set<CompositePost663>().Add(new CompositePost663());
post.Id = 1;
post.BlogId1 = 1;
post.BlogId2 = 1;
Assert.Equal(EntityState.Added, context.Entry(blog).State);
Assert.Equal(EntityState.Added, context.Entry(post).State);
((IObjectContextAdapter)context).ObjectContext.AcceptAllChanges();
post.Blog = blog;
context.ChangeTracker.DetectChanges();
Assert.Equal(EntityState.Unchanged, context.Entry(blog).State);
Assert.Same(post, blog.Posts.First());
Assert.Equal(EntityState.Modified, context.Entry(post).State);
Assert.Equal(blog.Id1, post.BlogId1);
Assert.Equal(blog.Id2, post.BlogId2);
}
}
