zulip/frontend_tests/node_tests/echo.js

zrequire('echo');

let disparities = [];
let messages_to_rerender = [];

set_global('sent_messages', {
    mark_disparity: (local_id) => {
        disparities.push(local_id);
    },
});

set_global('message_store', {
    update_booleans: () => {},
});

set_global('alert_words', {
    process_message: () => {},
});

set_global('home_msg_list', {
    view: {
        rerender_messages: (msgs) => {
            messages_to_rerender = msgs;
        },
    },
});

set_global('message_list', {});

set_global('current_msg_list', '');

run_test('process_from_server for un-echoed messages', () => {
    const waiting_for_ack = {};
    const server_messages = [
        {
            local_id: 100.1,
        },
    ];
    echo._patch_waiting_for_awk(waiting_for_ack);
    const non_echo_messages = echo.process_from_server(server_messages);
    assert.deepEqual(non_echo_messages, server_messages);
});

run_test('process_from_server for differently rendered messages', () => {
    // Test that we update all the booleans and the content of the message
    // in local echo.
    const old_value = 'old_value';
    const new_value = 'new_value';
    const waiting_for_ack = {
        100.1: {
            content: "<p>A client rendered message</p>",
            timestamp: old_value,
            is_me_message: old_value,
            submessages: old_value,
        },
    };
    const server_messages = [
        {
            local_id: 100.1,
            content: "<p>A server rendered message</p>",
            timestamp: new_value,
            is_me_message: new_value,
            submessages: new_value,
        },
    ];
    echo._patch_waiting_for_awk(waiting_for_ack);
    messages_to_rerender = [];
    disparities = [];
    const non_echo_messages = echo.process_from_server(server_messages);
    assert.deepEqual(non_echo_messages, []);
    assert.equal(disparities.length, 1);
    assert.deepEqual(messages_to_rerender, [{
        content: server_messages[0].content,
        timestamp: new_value,
        is_me_message: new_value,
        submessages: new_value,
    }]);
});