gerbeur/api/test/services/notification-service.test.ts

import {
  count,
  createUser,
  db,
  insertDump,
  patch,
  post,
  test,
} from "../helpers.ts";
import type { Comment } from "../../../shared/comment.ts";
import { assertEquals } from "@std/assert";

test("mentions: notify the named, once per context, never the author or an email domain", async () => {
  const author = await createUser();
  const named = await createUser();
  const { id: dumpId } = insertDump({ userId: author.id, title: "Topic" });
  const body = `hi @${named.username.toUpperCase()} and @${named.username}, ` +
    `me @${author.username}, mail x@${named.username}.com, ` +
    `[@${named.username}](link) @nobody_known`;
  const c = await post<Comment>(`/api/dumps/${dumpId}/comments`, {
    auth: author.auth,
    json: { body },
  });
  const notes = db.prepare(
    `SELECT user_id, data FROM notifications WHERE type = 'user_mentioned';`,
  ).all() as { user_id: string; data: string }[];
  assertEquals(notes.length, 1);
  assertEquals(notes[0].user_id, named.id);
  assertEquals(JSON.parse(notes[0].data), {
    mentionerId: author.id,
    mentionerUsername: author.username,
    contextType: "comment",
    contextId: c.data.id,
    contextTitle: "Topic",
    dumpId,
  });
  // Editing the comment doesn't notify a second time.
  await patch(`/api/comments/${c.data.id}`, {
    auth: author.auth,
    json: { body: `again @${named.username}` },
  });
  assertEquals(
    count(
      `SELECT COUNT(*) as n FROM notifications WHERE type = 'user_mentioned';`,
    ),
    1,
  );
});