bknd/app/__test__/data/mutation.simple.test.ts

// eslint-disable-next-line import/no-unresolved
import { afterAll, describe, expect, test } from "bun:test";
import { Entity, EntityManager, Mutator, NumberField, TextField } from "../../src/data";
import { TransformPersistFailedException } from "../../src/data/errors";
import { getDummyConnection } from "./helper";

const { dummyConnection, afterAllCleanup } = getDummyConnection();
afterAll(afterAllCleanup);

describe("Mutator simple", async () => {
   const connection = dummyConnection;
   //const connection = getLocalLibsqlConnection();
   //const connection = getCreds("DB_DATA");

   const items = new Entity("items", [
      new TextField("label", { required: true, minLength: 1 }),
      new NumberField("count", { default_value: 0 })
   ]);
   const em = new EntityManager([items], connection);

   await em.connection.kysely.schema
      .createTable("items")
      .ifNotExists()
      .addColumn("id", "integer", (col) => col.primaryKey().autoIncrement().notNull())
      .addColumn("label", "text")
      .addColumn("count", "integer")
      .execute();

   test("insert single row", async () => {
      const mutation = await em.mutator(items).insertOne({
         label: "test",
         count: 1
      });

      expect(mutation.sql).toBe(
         'insert into "items" ("count", "label") values (?, ?) returning "id", "label", "count"'
      );
      expect(mutation.data).toEqual({ id: 1, label: "test", count: 1 });

      const query = await em.repository(items).findMany({
         limit: 1,
         sort: {
            by: "id",
            dir: "desc"
         }
      });

      expect(query.result).toEqual([{ id: 1, label: "test", count: 1 }]);
   });

   test("update inserted row", async () => {
      const query = await em.repository(items).findMany({
         limit: 1,
         sort: {
            by: "id",
            dir: "desc"
         }
      });
      const id = query.data![0].id as number;

      const mutation = await em.mutator(items).updateOne(id, {
         label: "new label",
         count: 100
      });

      expect(mutation.sql).toBe(
         'update "items" set "label" = ?, "count" = ? where "id" = ? returning "id", "label", "count"'
      );
      expect(mutation.data).toEqual({ id, label: "new label", count: 100 });
   });

   test("delete updated row", async () => {
      const query = await em.repository(items).findMany({
         limit: 1,
         sort: {
            by: "id",
            dir: "desc"
         }
      });

      const id = query.data![0].id as number;
      const mutation = await em.mutator(items).deleteOne(id);

      expect(mutation.sql).toBe(
         'delete from "items" where "id" = ? returning "id", "label", "count"'
      );
      expect(mutation.data).toEqual({ id, label: "new label", count: 100 });

      const query2 = await em.repository(items).findId(id);
      expect(query2.result.length).toBe(0);
   });

   test("validation: insert incomplete row", async () => {
      const incompleteCreate = async () =>
         await em.mutator(items).insertOne({
            //label: "test",
            count: 1
         });

      expect(incompleteCreate()).rejects.toThrow();
   });

   test("validation: insert invalid row", async () => {
      const invalidCreate1 = async () =>
         await em.mutator(items).insertOne({
            label: 111, // this should work
            count: "1" // this should fail
         });

      expect(invalidCreate1()).rejects.toThrow(TransformPersistFailedException);

      const invalidCreate2 = async () =>
         await em.mutator(items).insertOne({
            label: "", // this should fail
            count: 1
         });

      expect(invalidCreate2()).rejects.toThrow(TransformPersistFailedException);
   });

   test("test default value", async () => {
      const res = await em.mutator(items).insertOne({ label: "yo" });

      expect(res.data.count).toBe(0);
   });

   test("deleteMany", async () => {
      await em.mutator(items).insertOne({ label: "keep" });
      await em.mutator(items).insertOne({ label: "delete" });
      await em.mutator(items).insertOne({ label: "delete" });

      const data = (await em.repository(items).findMany()).data;
      //console.log(data);

      await em.mutator(items).deleteMany({ label: "delete" });

      expect((await em.repository(items).findMany()).data.length).toBe(data.length - 2);
      //console.log((await em.repository(items).findMany()).data);

      await em.mutator(items).deleteMany();
      expect((await em.repository(items).findMany()).data.length).toBe(0);

      //expect(res.data.count).toBe(0);
   });
});