public void NonGenericPrimaryKeyGetterWorks() {
var map = new Map<Post>();
map.Columns.Add("PostId", new Column<int> { IsPrimaryKey = true, Map = map, Name = "PostId" });
map.PrimaryKey = map.Columns["PostId"];
var post = new Post { PostId = 123 };
Assert.Equal(post.PostId, map.GetPrimaryKeyValue((object)post));
}
public void SingleDeleteWorks() {
var deleteWriter = new DeleteWriter(new SqlServerDialect(), MakeConfig());
var post = new Post { PostId = 1 };
var result = deleteWriter.GenerateSql(new[] { post });
Debug.Write(result.Sql);
Assert.Equal("delete from [Posts] where [PostId] in (@p_1)", result.Sql);
}
public void SingleFetchWithNullWorks() {
var func = GenerateSingleMapper();
var post = new Post { PostId = 1 };
Blog blog = null;
var result = ((Func<object[], Post>)func)(new object[] { post, blog });
Assert.Null(post.Blog);
}
public void EnableTrackingCalledLast() {
var func = GenerateSingleMapper();
var post1 = new Post { PostId = 1 };
var blog1 = new Blog { BlogId = 2 };
var post = ((Func<object[], Post>)func)(new object[] { post1, blog1 });
Assert.False(((ITrackedEntity)post).GetDirtyProperties().Any());
}
public void SetPrimaryKeyValueWorks() {
var map = new Map<Post>();
map.Columns.Add("PostId", new Column<int> { IsPrimaryKey = true, Map = map, Name = "PostId" });
map.PrimaryKey = map.Columns["PostId"];
var post = new Post { PostId = 123 };
map.SetPrimaryKeyValue(post, 256);
Assert.Equal(256, post.PostId);
}
public void FetchedEntitiesHaveTrackingEnabled() {
var func = GenerateSingleMapper();
var post = new Post { PostId = 1 };
var blog = new Blog { BlogId = 2 };
var result = ((Func<object[], Post>)func)(new object[] { post, blog });
Assert.True(((ITrackedEntity)result).IsTrackingEnabled());
Assert.True(((ITrackedEntity)result.Blog).IsTrackingEnabled());
}
public void MultiFetchNoCollectionWorks() {
var func = GenerateMultipleNoCollectionMapper();
var comment = new Comment();
var post = new Post { PostId = 1 };
var author = new User { UserId = 3 };
var resultComment = ((Func<object[], Comment>)func)(new object[] { comment, post, author });
Assert.Equal(3, resultComment.Post.Author.UserId);
}
public void SingleFetchWorks() {
var func = GenerateSingleMapper();
var post1 = new Post { PostId = 1 };
var blog1 = new Blog { BlogId = 2 };
var post = ((Func<object[], Post>)func)(new object[] { post1, blog1 });
Assert.Equal(2, post.Blog.BlogId);
}
public void SimpleInsertWorks() {
var insertWriter = new InsertWriter(new SqlServerDialect(), MakeConfig());
var post = new Post { PostId = 1, Title = "Boo", Rating = 11 };
var result = insertWriter.GenerateSql(post);
Debug.Write(result.Sql);
Assert.Equal(
"insert into [Posts] ([AuthorId], [BlogId], [Content], [DoNotMap], [Rating], [Title]) values (@p_1, @p_2, @p_3, @p_4, @p_5, @p_6)",
result.Sql);
}
public void MultiFetchNoCollectionHasTrackingEnabled() {
var func = GenerateMultipleNoCollectionMapper();
var comment = new Comment();
var post = new Post { PostId = 1 };
var author = new User { UserId = 3 };
var resultComment = ((Func<object[], Comment>)func)(new object[] { comment, post, author });
Assert.True(((ITrackedEntity)resultComment).IsTrackingEnabled());
Assert.True(((ITrackedEntity)resultComment.Post).IsTrackingEnabled());
Assert.True(((ITrackedEntity)resultComment.Post.Author).IsTrackingEnabled());
}
public void UpdateSinglePropertyWorks() {
var post = new Post();
post.PostId = 1;
post.Title = "Boo";
((ITrackedEntity)post).EnableTracking();
post.Title = "New Boo";
var updateWriter = new UpdateWriter(new SqlServerDialect(), MakeConfig());
var result = updateWriter.GenerateSql(new[] { post });
Debug.Write(result.Sql);
Assert.Equal("update [Posts] set [Title] = @p_1 where [PostId] = @p_2;", result.Sql);
}
public void SingleRowCollectionTestForJames() {
var funcFac = GenerateSingleMapperWithFetch();
var post1 = new Post { PostId = 1 };
var comment1 = new Comment { CommentId = 1 };
var blog1 = new Blog { BlogId = 1 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { post1, blog1, comment1 });
Assert.Equal(1, results[0].Comments.First().CommentId);
Assert.Equal(1, results[0].Blog.BlogId);
}
public void UpdateTwoPropertiesWorks() {
var target = MakeTarget();
var post = new Post();
post.PostId = 1;
((ITrackedEntity)post).EnableTracking();
post.Title = "New Boo";
post.Content = "New Content";
// act
var result = target.GenerateSql(new[] { post });
// assert
Assert.Equal("update [Posts] set [Title] = @p_1, [Content] = @p_2 where [PostId] = @p_3;", result.Sql);
}
public void SingleCollectionWorks() {
var funcFac = GenerateSingleMapper();
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { post1, comment1 });
func(new object[] { post1, comment2 });
func(new object[] { post2, comment3 });
Assert.Equal(1, results[0].Comments.First().CommentId);
Assert.Equal(2, results[0].Comments.Last().CommentId);
Assert.Equal(3, results[1].Comments.First().CommentId);
}
public void SingleCollectionHasTrackingEnabledLast() {
var funcFac = GenerateSingleMapper();
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { post1, comment1 });
func(new object[] { post1, comment2 });
func(new object[] { post2, comment3 });
Assert.False(((ITrackedEntity)results[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Comments.First()).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Comments.ElementAt(1)).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[1]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[1].Comments.First()).GetDirtyProperties().Any());
}
public void UpdateManyToOneProperty() {
// assemble
var post = new Post();
post.PostId = 1;
post.Blog = new Blog { BlogId = 1 };
((ITrackedEntity)post).EnableTracking();
post.Blog = new Blog { BlogId = 2 };
var updateWriter = new UpdateWriter(new SqlServerDialect(), MakeConfig());
// act
var result = updateWriter.GenerateSql(new[] { post });
// assert
Debug.Write(result.Sql);
Assert.Equal("update [Posts] set [BlogId] = @p_1 where [PostId] = @p_2;", result.Sql); // Is this the correct result?
var param1 = result.Parameters.GetValueOfParameter("@p_1");
var param2 = result.Parameters.GetValueOfParameter("@p_2");
Assert.IsType(typeof(int), param1);
Assert.IsType(typeof(int), param2);
}
public void ThenFetchWorksTrackingEnabledLast() {
var funcFac = GenerateThenFetchMapper();
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
var user1 = new User { UserId = 1 };
var user2 = new User { UserId = 2 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { post1, comment1, user1 });
func(new object[] { post1, comment2, user2 });
func(new object[] { post2, comment3, user1 });
Assert.False(((ITrackedEntity)results[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Comments.First()).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Comments.First().User).GetDirtyProperties().Any());
}
public void FetchManyNonRootWorks() {
var config = new CustomConfig();
var selectQuery =
new SelectQuery<PostTag>(new Mock<ISelectQueryExecutor>().Object).FetchMany(p => p.Post.Comments).ThenFetch(c => c.User) as
SelectQuery<PostTag>;
var writer = new SelectWriter(new SqlServer2012Dialect(), config);
var result = writer.GenerateSql(selectQuery);
var mapper = new SingleCollectionMapperGenerator(config);
var funcFac = mapper.GenerateCollectionMapper<PostTag>(result.FetchTree).Item1;
// setup the scenario
var tag1 = new PostTag { PostTagId = 1 };
var tag2 = new PostTag { PostTagId = 2 };
var tag3 = new PostTag { PostTagId = 3 };
var post1 = new Post { PostId = 1, Title = "Foo" };
var anotherPost1 = new Post { PostId = 1, Title = "Foo" };
var post2 = new Post { PostId = 2, Title = "Foo" };
var post3 = new Post { PostId = 3, Title = "Foo" };
var post4 = new Post { PostId = 4, Title = "Foo" };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
var comment4 = new Comment { CommentId = 4 };
var comment5 = new Comment { CommentId = 5 };
var comment6 = new Comment { CommentId = 6 };
var user1 = new User { UserId = 1 };
var user2 = new User { UserId = 2 };
var user3 = new User { UserId = 3 };
var user4 = new User { UserId = 4 };
var user5 = new User { UserId = 5 };
PostTag currentRoot = null;
IList<PostTag> results = new List<PostTag>();
var func = (Func<object[], PostTag>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { tag1, post1, comment1, user1 });
func(new object[] { tag1, post1, comment2, user1 });
func(new object[] { tag1, post1, comment3, user2 });
func(new object[] { tag2, anotherPost1, comment1, user1 });
func(new object[] { tag2, anotherPost1, comment2, user1 });
func(new object[] { tag2, anotherPost1, comment3, user2 });
func(new object[] { tag3, post2, comment4, user3 });
func(new object[] { tag3, post2, comment5, user4 });
func(new object[] { tag3, post2, comment6, user5 });
Assert.Equal(3, results.Count);
Assert.Equal(3, results.First().Post.Comments.Count);
Assert.Equal(1, results.First().Post.PostId);
Assert.Equal(1, results.First().Post.Comments.First().User.UserId);
Assert.Equal(1, results.First().Post.Comments.ElementAt(1).User.UserId);
Assert.Equal(2, results.First().Post.Comments.ElementAt(2).User.UserId);
Assert.Equal(3, results.ElementAt(1).Post.Comments.Count);
Assert.Equal(1, results.ElementAt(1).Post.PostId);
Assert.Equal(1, results.ElementAt(1).Post.Comments.First().User.UserId);
Assert.Equal(1, results.ElementAt(1).Post.Comments.ElementAt(1).User.UserId);
Assert.Equal(2, results.ElementAt(1).Post.Comments.ElementAt(2).User.UserId);
Assert.Equal(3, results.ElementAt(2).Post.Comments.Count);
Assert.Equal(2, results.ElementAt(2).Post.PostId);
Assert.Equal(4, results.ElementAt(2).Post.Comments.First().CommentId);
Assert.Equal(5, results.ElementAt(2).Post.Comments.ElementAt(1).CommentId);
Assert.Equal(6, results.ElementAt(2).Post.Comments.ElementAt(2).CommentId);
}
public void FetchManyNonRootTrackingEnabledLast() {
var config = new CustomConfig();
var selectQuery =
new SelectQuery<PostTag>(new Mock<ISelectQueryExecutor>().Object).FetchMany(p => p.Post.Comments).ThenFetch(c => c.User) as
SelectQuery<PostTag>;
var writer = new SelectWriter(new SqlServer2012Dialect(), config);
var result = writer.GenerateSql(selectQuery);
var mapper = new SingleCollectionMapperGenerator(config);
var funcFac = mapper.GenerateCollectionMapper<PostTag>(result.FetchTree).Item1;
// setup the scenario
var tag1 = new PostTag { PostTagId = 1 };
var tag2 = new PostTag { PostTagId = 2 };
var tag3 = new PostTag { PostTagId = 3 };
var post1 = new Post { PostId = 1, Title = "Foo" };
var anotherPost1 = new Post { PostId = 1, Title = "Foo" };
var post2 = new Post { PostId = 2, Title = "Foo" };
var post3 = new Post { PostId = 3, Title = "Foo" };
var post4 = new Post { PostId = 4, Title = "Foo" };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
var comment4 = new Comment { CommentId = 4 };
var comment5 = new Comment { CommentId = 5 };
var comment6 = new Comment { CommentId = 6 };
var user1 = new User { UserId = 1 };
var user2 = new User { UserId = 2 };
var user3 = new User { UserId = 3 };
var user4 = new User { UserId = 4 };
var user5 = new User { UserId = 5 };
PostTag currentRoot = null;
IList<PostTag> results = new List<PostTag>();
var func = (Func<object[], PostTag>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { tag1, post1, comment1, user1 });
func(new object[] { tag1, post1, comment2, user1 });
func(new object[] { tag1, post1, comment3, user2 });
func(new object[] { tag2, anotherPost1, comment1, user1 });
func(new object[] { tag2, anotherPost1, comment2, user1 });
func(new object[] { tag2, anotherPost1, comment3, user2 });
func(new object[] { tag3, post2, comment4, user3 });
func(new object[] { tag3, post2, comment5, user4 });
func(new object[] { tag3, post2, comment6, user5 });
Assert.False(((ITrackedEntity)results[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Post).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Post.Comments[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Post.Comments[0].User).GetDirtyProperties().Any());
}
public void MultipleManyToManyFetchingWorks() {
// setup the factory
var config = new CustomConfig();
var selectQuery =
new SelectQuery<Post>(new Mock<ISelectQueryExecutor>().Object).FetchMany(p => p.Tags)
.ThenFetch(p => p.ElTag)
.FetchMany(p => p.DeletedTags)
.ThenFetch(t => t.ElTag) as SelectQuery<Post>;
var writer = new SelectWriter(new SqlServer2012Dialect(), config);
var result = writer.GenerateSql(selectQuery);
var mapper = new MultiCollectionMapperGenerator(config);
var funcFac = mapper.GenerateMultiCollectionMapper<Post>(result.FetchTree).Item1;
// setup the scenario
var post1 = new Post { PostId = 1 };
var tag1 = new Tag { TagId = 1 };
var tag2 = new Tag { TagId = 2 };
var tag3 = new Tag { TagId = 3 };
var postTag1 = new PostTag { PostTagId = 1 };
var postTag2 = new PostTag { PostTagId = 2 };
var postTag3 = new PostTag { PostTagId = 3 };
// act
Post currentRoot = null;
IList<Post> results = new List<Post>();
var dict0 = new Dictionary<int, PostTag>();
var hashsetPair0 = new HashSet<Tuple<int, int>>();
var dict1 = new Dictionary<int, PostTag>();
var hashsetPair1 = new HashSet<Tuple<int, int>>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results, dict0, hashsetPair0, dict1, hashsetPair1);
func(new object[] { post1, postTag2, tag2, postTag1, tag1 });
func(new object[] { post1, postTag3, tag3, postTag1, tag1 });
Assert.Equal(1, results.Count);
Assert.Equal(1, results[0].Tags.Count);
Assert.Equal(1, results[0].Tags[0].PostTagId);
Assert.Equal(2, results[0].DeletedTags.Count);
Assert.Equal(2, results[0].DeletedTags[0].PostTagId);
Assert.Equal(3, results[0].DeletedTags[1].PostTagId);
}
public void NestedMultipleOneToManyFetchingWorksTrackingEnabledLast() {
// setup the factory
var config = new CustomConfig();
var selectQuery =
new SelectQuery<Blog>(new Mock<ISelectQueryExecutor>().Object).FetchMany(b => b.Posts)
.ThenFetchMany(p => p.Tags)
.ThenFetch(t => t.ElTag)
.FetchMany(b => b.Posts)
.ThenFetchMany(p => p.DeletedTags)
.ThenFetch(t => t.ElTag)
.FetchMany(p => p.Posts)
.ThenFetch(p => p.Author) as SelectQuery<Blog>;
var writer = new SelectWriter(new SqlServer2012Dialect(), config);
var result = writer.GenerateSql(selectQuery);
var mapper = new MultiCollectionMapperGenerator(config);
var funcFac = mapper.GenerateMultiCollectionMapper<Blog>(result.FetchTree).Item1;
// setup the scenario
var blog1 = new Blog { BlogId = 1 };
var blog2 = new Blog { BlogId = 2 };
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var post3 = new Post { PostId = 3 };
var posttag1 = new PostTag { PostTagId = 1 };
var posttag2 = new PostTag { PostTagId = 2 };
var posttag3 = new PostTag { PostTagId = 3 };
var tag1 = new Tag { TagId = 1 };
var tag2 = new Tag { TagId = 2 };
var tag3 = new Tag { TagId = 3 };
var tag4 = new Tag { TagId = 4 };
var delPostTag1 = new PostTag { PostTagId = 3 };
var delPostTag2 = new PostTag { PostTagId = 4 };
var delPostTag3 = new PostTag { PostTagId = 5 };
var author1 = new User { UserId = 1 };
var author2 = new User { UserId = 2 };
// act
Blog currentRoot = null;
IList<Blog> results = new List<Blog>();
var dict0 = new Dictionary<int, Post>();
var hashsetPair0 = new HashSet<Tuple<int, int>>();
var dict1 = new Dictionary<int, PostTag>();
var hashsetPair1 = new HashSet<Tuple<int, int>>();
var dict2 = new Dictionary<int, PostTag>();
var hashsetPair2 = new HashSet<Tuple<int, int>>();
var func =
(Func<object[], Blog>)funcFac.DynamicInvoke(currentRoot, results, dict0, hashsetPair0, dict1, hashsetPair1, dict2, hashsetPair2);
func(new object[] { blog1, post1, author1, null, null, posttag1, tag1 });
func(new object[] { blog1, post1, author1, null, null, posttag2, tag2 });
func(new object[] { blog1, post2, author2, delPostTag1, tag3, null, null });
func(new object[] { blog1, post2, author2, delPostTag2, tag4, null, null });
func(new object[] { blog2, post3, author1, delPostTag1, tag3, posttag1, tag1 });
func(new object[] { blog2, post3, author1, delPostTag2, tag4, posttag1, tag1 });
func(new object[] { blog2, post3, author1, delPostTag3, tag4, posttag1, tag1 });
func(new object[] { blog2, post3, author1, delPostTag1, tag3, posttag2, tag2 });
func(new object[] { blog2, post3, author1, delPostTag2, tag4, posttag2, tag2 });
func(new object[] { blog2, post3, author1, delPostTag3, tag4, posttag2, tag2 });
func(new object[] { blog2, post3, author1, delPostTag1, tag3, posttag3, tag3 });
func(new object[] { blog2, post3, author1, delPostTag2, tag4, posttag3, tag3 });
func(new object[] { blog2, post3, author1, delPostTag3, tag4, posttag3, tag3 });
Assert.False(((ITrackedEntity)results[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Posts[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Posts[0].Author).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Posts[0].Tags[0]).GetDirtyProperties().Any());
Assert.False(((ITrackedEntity)results[0].Posts[0].Tags[0].ElTag).GetDirtyProperties().Any());
}
public void UsePrimaryKeySetterWithoutPrimaryKeyColumnThrow() {
var map = new Map<Post>();
map.Columns.Add("PostId", new Column<int> { IsPrimaryKey = true, Map = map, Name = "PostId" });
var post = new Post { PostId = 123 };
Assert.Throws<Exception>(() => map.SetPrimaryKeyValue(post, 123));
}
public void UpdateDetachedEntityWorks() {
// assemble
var post = new Post();
post.PostId = 1;
post.Title = "Boo";
var updateWriter = MakeTarget();
// act
var result = updateWriter.GenerateSql(new[] { post });
// assert
Debug.Write(result.Sql);
Assert.Equal(
"update [Posts] set [Title] = @p_1, [Content] = @p_2, [Rating] = @p_3, [AuthorId] = @p_4, [BlogId] = @p_5 where [PostId] = @p_6;",
result.Sql);
}
public void ThenFetchWorks() {
var funcFac = GenerateThenFetchMapper();
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
var user1 = new User { UserId = 1 };
var user2 = new User { UserId = 2 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results);
func(new object[] { post1, comment1, user1 });
func(new object[] { post1, comment2, user2 });
func(new object[] { post2, comment3, user1 });
Assert.Equal(1, results[0].Comments.First().User.UserId);
Assert.Equal(2, results[0].Comments.Last().User.UserId);
Assert.Equal(1, results[1].Comments.First().User.UserId);
}
public void MultiCollectionWorks() {
var funcFac = GenerateMultiMapper();
var post1 = new Post { PostId = 1 };
var post2 = new Post { PostId = 2 };
var comment1 = new Comment { CommentId = 1 };
var comment2 = new Comment { CommentId = 2 };
var comment3 = new Comment { CommentId = 3 };
var postTag1 = new PostTag { PostTagId = 1 };
var postTag2 = new PostTag { PostTagId = 2 };
var postTag3 = new PostTag { PostTagId = 3 };
Post currentRoot = null;
IList<Post> results = new List<Post>();
IDictionary<int, Comment> dict0 = new Dictionary<int, Comment>();
var hashsetPair0 = new HashSet<Tuple<int, int>>();
IDictionary<int, PostTag> dict1 = new Dictionary<int, PostTag>();
var hashsetPair1 = new HashSet<Tuple<int, int>>();
var func = (Func<object[], Post>)funcFac.DynamicInvoke(currentRoot, results, dict0, hashsetPair0, dict1, hashsetPair1);
func(new object[] { post1, comment1, postTag1 });
func(new object[] { post1, comment2, postTag1 });
func(new object[] { post2, comment3, postTag2 });
func(new object[] { post2, comment3, postTag3 });
Assert.Equal(1, results[0].Comments.First().CommentId);
Assert.Equal(2, results[0].Comments.Last().CommentId);
Assert.Equal(2, results[0].Comments.Count);
Assert.Equal(3, results[1].Comments.First().CommentId);
Assert.Equal(1, results[1].Comments.Count);
Assert.Equal(1, results[0].Tags.First().PostTagId);
Assert.Equal(1, results[0].Tags.Count);
Assert.Equal(2, results[1].Tags.First().PostTagId);
Assert.Equal(3, results[1].Tags.Last().PostTagId);
Assert.Equal(2, results[1].Tags.Count);
}