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import { Collection, Database, Document, MongoClient } from "../../mod.ts";import { cleanTestDb, getTestDb } from "../common.ts";import {  afterEach,  assertEquals,  beforeEach,  describe,  greaterOrEqual,  it,  parse,} from "../deps.ts";
describe(  "indexes",  () => {    let client: MongoClient;    let database: Database;    let collection: Collection<Document>;    const testCollectionName = "mongo_test_users";
    beforeEach(async () => {      ({ client, database } = await getTestDb());      collection = database.collection(testCollectionName);    });
    afterEach(async () => {      await cleanTestDb(client, database, testCollectionName);    });
    it("createIndexes", async () => {      const res = await collection.createIndexes({        indexes: [{          name: "_name",          key: { name: 1 },        }],      });      assertEquals(        res,        {          createdCollectionAutomatically: true,          numIndexesBefore: 1,          numIndexesAfter: 2,          ok: 1,        },      );    });
    it("listIndexes", async () => {      await collection.createIndexes({        indexes: [{          name: "_name",          key: { name: 1 },        }],      });      const cursor = collection.listIndexes();      const indexes = await cursor.toArray();
      const expected = greaterOrEqual(parse(client.buildInfo!.version), {          major: 4,          minor: 4,          patch: 0,        })        ? [          { v: 2, key: { _id: 1 }, name: "_id_" },          { v: 2, key: { name: 1 }, name: "_name" },        ]        : [          {            v: 2,            key: { _id: 1 },            name: "_id_",            ns: `test.${testCollectionName}`,          },          {            v: 2,            key: { name: 1 },            name: "_name",            ns: `test.${testCollectionName}`,          },        ];      assertEquals(        indexes,        expected,      );    });
    it("dropIndexes", async () => {      await collection.createIndexes({        indexes: [{          name: "_name2",          key: { name: -1 },        }],      });
      await collection.dropIndexes({        index: "*",      });
      const indexes = await collection.listIndexes().toArray();      const expected = greaterOrEqual(parse(client.buildInfo!.version), {          major: 4,          minor: 4,          patch: 0,        })        ? [          { v: 2, key: { _id: 1 }, name: "_id_" },        ]        : [          {            v: 2,            key: { _id: 1 },            name: "_id_",            ns: `test.${testCollectionName}`,          },        ];      assertEquals(        indexes,        expected,      );    });  },);