crates/db_schema/src/aggregates/post_aggregates.rs

   1 use crate::{aggregates::structs::PostAggregates, newtypes::PostId, schema::post_aggregates};
   2 use diesel::{result::Error, *};
   3
   4 impl PostAggregates {
   5   pub fn read(conn: &mut PgConnection, post_id: PostId) -> Result<Self, Error> {
   6     post_aggregates::table
   7       .filter(post_aggregates::post_id.eq(post_id))
   8       .first::<Self>(conn)
   9   }
  10 }
  11
  12 #[cfg(test)]
  13 mod tests {
  14   use crate::{
  15     aggregates::post_aggregates::PostAggregates,
  16     source::{
  17       comment::{Comment, CommentInsertForm},
  18       community::{Community, CommunityInsertForm},
  19       instance::Instance,
  20       person::{Person, PersonInsertForm},
  21       post::{Post, PostInsertForm, PostLike, PostLikeForm},
  22     },
  23     traits::{Crud, Likeable},
  24     utils::establish_unpooled_connection,
  25   };
  26   use serial_test::serial;
  27
  28   #[test]
  29   #[serial]
  30   fn test_crud() {
  31     let conn = &mut establish_unpooled_connection();
  32
  33     let inserted_instance = Instance::create(conn, "my_domain.tld").unwrap();
  34
  35     let new_person = PersonInsertForm::builder()
  36       .name("thommy_community_agg".into())
  37       .public_key("pubkey".to_string())
  38       .instance_id(inserted_instance.id)
  39       .build();
  40
  41     let inserted_person = Person::create(conn, &new_person).unwrap();
  42
  43     let another_person = PersonInsertForm::builder()
  44       .name("jerry_community_agg".into())
  45       .public_key("pubkey".to_string())
  46       .instance_id(inserted_instance.id)
  47       .build();
  48
  49     let another_inserted_person = Person::create(conn, &another_person).unwrap();
  50
  51     let new_community = CommunityInsertForm::builder()
  52       .name("TIL_community_agg".into())
  53       .title("nada".to_owned())
  54       .public_key("pubkey".to_string())
  55       .instance_id(inserted_instance.id)
  56       .build();
  57
  58     let inserted_community = Community::create(conn, &new_community).unwrap();
  59
  60     let new_post = PostInsertForm::builder()
  61       .name("A test post".into())
  62       .creator_id(inserted_person.id)
  63       .community_id(inserted_community.id)
  64       .build();
  65
  66     let inserted_post = Post::create(conn, &new_post).unwrap();
  67
  68     let comment_form = CommentInsertForm::builder()
  69       .content("A test comment".into())
  70       .creator_id(inserted_person.id)
  71       .post_id(inserted_post.id)
  72       .build();
  73
  74     let inserted_comment = Comment::create(conn, &comment_form, None).unwrap();
  75
  76     let child_comment_form = CommentInsertForm::builder()
  77       .content("A test comment".into())
  78       .creator_id(inserted_person.id)
  79       .post_id(inserted_post.id)
  80       .build();
  81
  82     let inserted_child_comment =
  83       Comment::create(conn, &child_comment_form, Some(&inserted_comment.path)).unwrap();
  84
  85     let post_like = PostLikeForm {
  86       post_id: inserted_post.id,
  87       person_id: inserted_person.id,
  88       score: 1,
  89     };
  90
  91     PostLike::like(conn, &post_like).unwrap();
  92
  93     let post_aggs_before_delete = PostAggregates::read(conn, inserted_post.id).unwrap();
  94
  95     assert_eq!(2, post_aggs_before_delete.comments);
  96     assert_eq!(1, post_aggs_before_delete.score);
  97     assert_eq!(1, post_aggs_before_delete.upvotes);
  98     assert_eq!(0, post_aggs_before_delete.downvotes);
  99
 100     // Add a post dislike from the other person
 101     let post_dislike = PostLikeForm {
 102       post_id: inserted_post.id,
 103       person_id: another_inserted_person.id,
 104       score: -1,
 105     };
 106
 107     PostLike::like(conn, &post_dislike).unwrap();
 108
 109     let post_aggs_after_dislike = PostAggregates::read(conn, inserted_post.id).unwrap();
 110
 111     assert_eq!(2, post_aggs_after_dislike.comments);
 112     assert_eq!(0, post_aggs_after_dislike.score);
 113     assert_eq!(1, post_aggs_after_dislike.upvotes);
 114     assert_eq!(1, post_aggs_after_dislike.downvotes);
 115
 116     // Remove the comments
 117     Comment::delete(conn, inserted_comment.id).unwrap();
 118     Comment::delete(conn, inserted_child_comment.id).unwrap();
 119     let after_comment_delete = PostAggregates::read(conn, inserted_post.id).unwrap();
 120     assert_eq!(0, after_comment_delete.comments);
 121     assert_eq!(0, after_comment_delete.score);
 122     assert_eq!(1, after_comment_delete.upvotes);
 123     assert_eq!(1, after_comment_delete.downvotes);
 124
 125     // Remove the first post like
 126     PostLike::remove(conn, inserted_person.id, inserted_post.id).unwrap();
 127     let after_like_remove = PostAggregates::read(conn, inserted_post.id).unwrap();
 128     assert_eq!(0, after_like_remove.comments);
 129     assert_eq!(-1, after_like_remove.score);
 130     assert_eq!(0, after_like_remove.upvotes);
 131     assert_eq!(1, after_like_remove.downvotes);
 132
 133     // This should delete all the associated rows, and fire triggers
 134     Person::delete(conn, another_inserted_person.id).unwrap();
 135     let person_num_deleted = Person::delete(conn, inserted_person.id).unwrap();
 136     assert_eq!(1, person_num_deleted);
 137
 138     // Delete the community
 139     let community_num_deleted = Community::delete(conn, inserted_community.id).unwrap();
 140     assert_eq!(1, community_num_deleted);
 141
 142     // Should be none found, since the creator was deleted
 143     let after_delete = PostAggregates::read(conn, inserted_post.id);
 144     assert!(after_delete.is_err());
 145
 146     Instance::delete(conn, inserted_instance.id).unwrap();
 147   }
 148 }