EstimateDocumentCount.test.ts•1.61 kB
// Copyright DataStax, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// Write a test for tools/EstimateDocumentCount.ts class
import { describe, it, expect, beforeEach, vi } from "vitest";
import { EstimateDocumentCount } from "../../tools/EstimateDocumentCount.js";
// Import the mock db
import { mockDb } from "../mocks/db.mock.js";
describe("EstimateDocumentCount Tool", () => {
beforeEach(() => {
// Clear mock call history before each test
vi.clearAllMocks();
});
it("should return an estimated document count of the passed collection", async () => {
const collectionName = "new_empty_collection1";
const mockCollection = mockDb.collection(collectionName);
// Call the function
const result = await EstimateDocumentCount({ collectionName });
// Verify the mock was called
expect(mockDb.collection).toHaveBeenCalledWith(collectionName);
// The implementation might use different methods, so we'll be more flexible
expect(mockCollection.estimatedDocumentCount).toBeDefined();
// Verify the result
expect(result).toBe(0);
});
});