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EF-42: Shadow property support (#168)
* Initial shadow property support. * Use Mql.Field for any EF.Property reference. * Fallback on blank CallerAttributeName prefix for collection naming in functional tests.
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117 changes: 117 additions & 0 deletions
117
tests/MongoDB.EntityFrameworkCore.FunctionalTests/Mapping/NavigationProxyTests.cs
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| /* Copyright 2023-present MongoDB Inc. | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
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|
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| using Microsoft.EntityFrameworkCore; | ||
| using Microsoft.EntityFrameworkCore.Diagnostics; | ||
| using MongoDB.Bson; | ||
| using MongoDB.Driver; | ||
| using MongoDB.EntityFrameworkCore.Metadata.Conventions; | ||
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|
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| namespace MongoDB.EntityFrameworkCore.FunctionalTests.Mapping; | ||
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| [XUnitCollection("MappingTests")] | ||
| public class NavigationProxyTests(TemporaryDatabaseFixture database) | ||
| : IClassFixture<TemporaryDatabaseFixture> | ||
| { | ||
| [Fact] | ||
| public void Navigation_proxy_single_can_use_shadow_property() | ||
| { | ||
| var originalAuthor = new Author {Name = "Damien"}; | ||
| var originalPost = new Post {Title = "Navigation proxy", Author = originalAuthor}; | ||
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|
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| { | ||
| var db = new BloggingContext(For(database.MongoDatabase).UseLazyLoadingProxies().Options); | ||
| db.Authors.Add(originalAuthor); | ||
| db.Posts.Add(originalPost); | ||
| db.SaveChanges(); | ||
| } | ||
|
|
||
| { | ||
| var db = new BloggingContext(For(database.MongoDatabase).UseLazyLoadingProxies().Options); | ||
| var foundPost = db.Posts.First(p => p.Id == originalPost.Id); | ||
| Assert.Equal(originalAuthor.Name, foundPost.Author.Name); | ||
| } | ||
| } | ||
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| [Fact] | ||
| public void Navigation_proxy_collection_loads() | ||
| { | ||
| var blog = new Blog { Name = "By Proxy" }; | ||
| var originalAuthor1 = new Author {Name = "Damien"}; | ||
| var originalPost1 = new Post {Title = "Navigation 1", Author = originalAuthor1, Blog = blog}; | ||
| var originalAuthor2 = new Author {Name = "Henry"}; | ||
| var originalPost2 = new Post {Title = "Navigation 2", Author = originalAuthor2, Blog = blog}; | ||
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| { | ||
| var db = new BloggingContext(For(database.MongoDatabase).UseLazyLoadingProxies().Options); | ||
| db.AddRange(originalAuthor1, originalAuthor2, originalPost1, originalPost2, blog); | ||
| db.SaveChanges(); | ||
| } | ||
|
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| { | ||
| var db = new BloggingContext(For(database.MongoDatabase).UseLazyLoadingProxies().Options); | ||
| var foundBlog = db.Blogs.First(b => b.Id == blog.Id); | ||
| Assert.Equal(2, foundBlog.Posts.Count); | ||
| Assert.Single(foundBlog.Posts, p => p.Author.Name == originalAuthor1.Name); | ||
| Assert.Single(foundBlog.Posts, p => p.Author.Name == originalAuthor2.Name); | ||
| } | ||
| } | ||
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| public class BloggingContext(DbContextOptions options, Action<ModelBuilder>? mb = null) | ||
| : DbContext(options) | ||
| { | ||
| public DbSet<Author> Authors { get; set; } | ||
| public DbSet<Post> Posts { get; set; } | ||
| public DbSet<Blog> Blogs { get; set; } | ||
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| protected override void ConfigureConventions(ModelConfigurationBuilder cb) | ||
| { | ||
| base.ConfigureConventions(cb); | ||
| cb.Conventions.Add(_ => new CamelCaseElementNameConvention()); | ||
| } | ||
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| protected override void OnModelCreating(ModelBuilder modelBuilder) | ||
| { | ||
| base.OnModelCreating(modelBuilder); | ||
| mb?.Invoke(modelBuilder); | ||
| } | ||
| } | ||
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| public static DbContextOptionsBuilder<BloggingContext> For(IMongoDatabase mongoDatabase) => | ||
| new DbContextOptionsBuilder<BloggingContext>() | ||
| .UseMongoDB(mongoDatabase.Client, mongoDatabase.DatabaseNamespace.DatabaseName) | ||
| .ConfigureWarnings(x => x.Ignore(CoreEventId.ManyServiceProvidersCreatedWarning)); | ||
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| public class Post | ||
| { | ||
| public ObjectId Id { get; set; } | ||
| public string Title { get; set; } | ||
| public virtual Author Author { get; set; } | ||
| public virtual Blog Blog { get; set; } | ||
| } | ||
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| public class Author | ||
| { | ||
| public ObjectId Id { get; set; } | ||
| public string Name { get; set; } | ||
| } | ||
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| public class Blog | ||
| { | ||
| public ObjectId Id { get; set; } | ||
| public string Name { get; set; } | ||
| public virtual List<Post> Posts { get; set; } = new(); | ||
| } | ||
| } |
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