lemmy/crates/db_schema/src/aggregates/site_aggregates.rs

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use crate::{aggregates::structs::SiteAggregates, schema::site_aggregates};
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use diesel::{result::Error, *};
impl SiteAggregates {
pub fn read(conn: &PgConnection) -> Result<Self, Error> {
site_aggregates::table.first::<Self>(conn)
}
}
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#[cfg(test)]
mod tests {
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use crate::{
aggregates::site_aggregates::SiteAggregates,
source::{
comment::{Comment, CommentForm},
community::{Community, CommunityForm},
person::{Person, PersonForm},
post::{Post, PostForm},
site::{Site, SiteForm},
},
traits::Crud,
utils::establish_unpooled_connection,
};
use serial_test::serial;
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#[test]
#[serial]
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fn test_crud() {
let conn = establish_unpooled_connection();
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let new_person = PersonForm {
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name: "thommy_site_agg".into(),
public_key: Some("pubkey".to_string()),
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..PersonForm::default()
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};
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let inserted_person = Person::create(&conn, &new_person).unwrap();
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let site_form = SiteForm {
name: "test_site".into(),
public_key: Some("pubkey".to_string()),
..Default::default()
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};
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let inserted_site = Site::create(&conn, &site_form).unwrap();
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let new_community = CommunityForm {
name: "TIL_site_agg".into(),
title: "nada".to_owned(),
public_key: Some("pubkey".to_string()),
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..CommunityForm::default()
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};
let inserted_community = Community::create(&conn, &new_community).unwrap();
let new_post = PostForm {
name: "A test post".into(),
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creator_id: inserted_person.id,
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community_id: inserted_community.id,
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..PostForm::default()
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};
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// Insert two of those posts
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let inserted_post = Post::create(&conn, &new_post).unwrap();
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let _inserted_post_again = Post::create(&conn, &new_post).unwrap();
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let comment_form = CommentForm {
content: "A test comment".into(),
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creator_id: inserted_person.id,
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post_id: inserted_post.id,
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..CommentForm::default()
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};
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// Insert two of those comments
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let inserted_comment = Comment::create(&conn, &comment_form).unwrap();
let child_comment_form = CommentForm {
content: "A test comment".into(),
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creator_id: inserted_person.id,
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post_id: inserted_post.id,
parent_id: Some(inserted_comment.id),
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..CommentForm::default()
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};
let _inserted_child_comment = Comment::create(&conn, &child_comment_form).unwrap();
let site_aggregates_before_delete = SiteAggregates::read(&conn).unwrap();
assert_eq!(1, site_aggregates_before_delete.users);
assert_eq!(1, site_aggregates_before_delete.communities);
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assert_eq!(2, site_aggregates_before_delete.posts);
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assert_eq!(2, site_aggregates_before_delete.comments);
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// Try a post delete
Post::delete(&conn, inserted_post.id).unwrap();
let site_aggregates_after_post_delete = SiteAggregates::read(&conn).unwrap();
assert_eq!(1, site_aggregates_after_post_delete.posts);
assert_eq!(0, site_aggregates_after_post_delete.comments);
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// This shouuld delete all the associated rows, and fire triggers
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let person_num_deleted = Person::delete(&conn, inserted_person.id).unwrap();
assert_eq!(1, person_num_deleted);
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// Delete the community
let community_num_deleted = Community::delete(&conn, inserted_community.id).unwrap();
assert_eq!(1, community_num_deleted);
// Site should still exist, it can without a site creator.
let after_delete_creator = SiteAggregates::read(&conn);
assert!(after_delete_creator.is_ok());
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Site::delete(&conn, inserted_site.id).unwrap();
let after_delete_site = SiteAggregates::read(&conn);
assert!(after_delete_site.is_err());
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}
}