upstream-zulip/web/tests/message_fetch.test.cjs

"use strict";

const assert = require("node:assert/strict");

const {zrequire} = require("./lib/namespace.cjs");
const {run_test} = require("./lib/test.cjs");
const blueslip = require("./lib/zblueslip.cjs");

const {Filter} = zrequire("filter");
const {MessageListData} = zrequire("message_list_data");
const message_fetch = zrequire("message_fetch");

run_test("get_parameters_for_message_fetch_api date anchor", () => {
    const msg_list_data = new MessageListData({
        excludes_muted_topics: false,
        filter: new Filter([]),
    });

    const anchor_date = new Date("2024-01-02T00:00:00.000Z").toISOString();
    const params = message_fetch.get_parameters_for_message_fetch_api({
        anchor: "date",
        anchor_date,
        num_before: 0,
        num_after: 0,
        cont() {},
        msg_list_data,
    });
    assert.equal(params.anchor, "date");
    assert.equal(params.anchor_date, anchor_date);

    blueslip.expect("error", "Missing anchor_date for date anchor fetch");
    const missing_date = message_fetch.get_parameters_for_message_fetch_api({
        anchor: "date",
        num_before: 0,
        num_after: 0,
        cont() {},
        msg_list_data,
    });
    assert.equal(missing_date.anchor_date, undefined);
});