import { describe, expect, it, vi } from "vitest";
import { defaultCreateAtlasLocalClient, type LibraryLoader } from "../../../src/common/atlasLocal.js";
import type { Client } from "@mongodb-js/atlas-local";
import { NullLogger } from "../../utils/index.js";
describe("Atlas Local", () => {
describe("defaultCreateAtlasLocalClient", () => {
it("should return undefined when the library cannot be loaded", async () => {
const failingLoader: LibraryLoader = {
loadAtlasLocalClient(): Promise<typeof Client | undefined> {
return Promise.resolve(undefined);
},
};
const result = await defaultCreateAtlasLocalClient({ loader: failingLoader, logger: new NullLogger() });
expect(result).toBeUndefined();
});
it("should load the library on supported platforms", async () => {
const succeedingLoader: LibraryLoader = {
loadAtlasLocalClient(): Promise<typeof Client | undefined> {
const MockClient = class {
static connect = vi.fn(() => "fake client");
constructor() {}
} as unknown as typeof Client;
return Promise.resolve(MockClient);
},
};
const result = await defaultCreateAtlasLocalClient({ loader: succeedingLoader, logger: new NullLogger() });
expect(result).toBe("fake client");
});
});
});
