zulip/frontend_tests/node_tests/widgetize.js

set_global('$', global.make_zjquery());
set_global('poll_widget', {});
set_global('tictactoe_widget', {});
set_global('todo_widget', {});
set_global('zform', {});
set_global('document', 'document-stub');

const noop = () => {};
const return_true = () => true;
const return_false = () => false;

$(document).on = noop;

zrequire('widgetize');

set_global('blueslip', global.make_zblueslip());
set_global('narrow_state', {});
set_global('current_msg_list', {});


run_test('activate', () => {
    // Both widgetize.activate and widgetize.handle_event are tested
    // here to use the "caching" of widgets
    const row = $.create('<stub message row>');
    row.attr('id', 'zhome2909');
    const message_content = $.create('#zhome2909');
    row.set_find_results('.message_content', message_content);

    const events = [
        {
            data: {
                option: "First option",
                idx: 1,
                type: "new_option",
            },
            sender_id: 101,
        },
        {
            data: {
                option: "Second option",
                idx: 1,
                type: "new_option",
            },
            sender_id: 102,
        },
        {
            data: {
                option: "Third option",
                idx: 1,
                type: "new_option",
            },
            sender_id: 102,
        },
    ];

    const opts = {
        events: _.clone(events),
        extra_data: '',
        message: {
            id: 2001,
        },
        post_to_server: (data) => {
            assert.equal(data.msg_type, 'widget');
            assert.equal(data.data, 'test_data');
        },
        row: row,
        widget_type: 'poll',
    };

    narrow_state.active = return_false;

    let widget_elem;
    let is_event_handled;
    let is_widget_activated;
    let is_widget_elem_inserted;

    poll_widget.activate = (data) => {
        is_widget_activated = true;
        widget_elem = data.elem;
        assert(widget_elem.hasClass('widget-content'));
        widget_elem.handle_events = (e) => {
            is_event_handled = true;
            assert.notDeepStrictEqual(e, events);
            events.shift();
            assert.deepStrictEqual(e, events);
        };
        data.callback('test_data');
    };

    message_content.append = (elem) => {
        is_widget_elem_inserted = true;
        assert.equal(elem, widget_elem);
        assert(elem.hasClass('widget-content'));
    };

    is_widget_elem_inserted = false;
    is_widget_activated = false;
    is_event_handled = false;
    assert.equal(widgetize.widget_contents[opts.message.id], undefined);

    widgetize.activate(opts);

    assert(is_widget_elem_inserted);
    assert(is_widget_activated);
    assert(is_event_handled);
    assert.equal(widgetize.widget_contents[opts.message.id], widget_elem);

    is_widget_elem_inserted = false;
    is_widget_activated = false;
    is_event_handled = false;

    widgetize.activate(opts);

    assert(is_widget_elem_inserted);
    assert(!is_widget_activated);
    assert(!is_event_handled);

    narrow_state.active = return_true;
    is_widget_elem_inserted = false;
    is_widget_activated = false;
    is_event_handled = false;

    widgetize.activate(opts);

    assert(!is_widget_elem_inserted);
    assert(!is_widget_activated);
    assert(!is_event_handled);

    blueslip.set_test_data('warn', 'unknown widget_type');
    narrow_state.active = return_false;
    is_widget_elem_inserted = false;
    is_widget_activated = false;
    is_event_handled = false;
    opts.widget_type = 'invalid_widget';

    widgetize.activate(opts);
    assert(!is_widget_elem_inserted);
    assert(!is_widget_activated);
    assert(!is_event_handled);
    assert.equal(blueslip.get_test_logs('warn').length, 1);
    assert.equal(blueslip.get_test_logs('warn')[0].more_info, 'invalid_widget');
    blueslip.clear_test_data();

    /* Testing widgetize.handle_events */
    const post_activate_event = {
        data: {
            idx: 1,
            type: "new_option",
        },
        message_id: 2001,
        sender_id: 102,
    };
    widget_elem.handle_events = (e) => {
        is_event_handled = true;
        assert.deepEqual(e, [post_activate_event]);
    };
    is_event_handled = false;
    widgetize.handle_event(post_activate_event);
    assert(is_event_handled);

    is_event_handled = false;
    post_activate_event.message_id = 1000;
    widgetize.handle_event(post_activate_event);
    assert(!is_event_handled);

    /* Test narrow change message update */
    current_msg_list.get = (idx) => {
        assert.equal(idx, 2001);
        return {};
    };
    current_msg_list.get_row = (idx) => {
        assert.equal(idx, 2001);
        return row;
    };
    widgetize.set_widgets_for_list();
});