zulip/frontend_tests/node_tests/emoji.js

set_global("$", global.make_zjquery());
set_global("page_params", {
    emojiset: "google",
    realm_emoji: {},
});
set_global("upload_widget", {});

zrequire("emoji");
zrequire("settings_emoji");

run_test("build_emoji_upload_widget", () => {
    let build_widget_stub = false;
    upload_widget.build_widget = function (
        get_file_input,
        file_name_field,
        input_error,
        clear_button,
        upload_button,
    ) {
        assert.deepEqual(get_file_input(), $("#emoji_file_input"));
        assert.deepEqual(file_name_field, $("#emoji-file-name"));
        assert.deepEqual(input_error, $("#emoji_file_input_error"));
        assert.deepEqual(clear_button, $("#emoji_image_clear_button"));
        assert.deepEqual(upload_button, $("#emoji_upload_button"));
        build_widget_stub = true;
    };
    settings_emoji.build_emoji_upload_widget();
    assert(build_widget_stub);
});

run_test("get_canonical_name", () => {
    emoji.active_realm_emojis = new Map(
        Object.entries({
            realm_emoji: "TBD",
        }),
    );
    let canonical_name = emoji.get_canonical_name("realm_emoji");
    assert.equal(canonical_name, "realm_emoji");

    canonical_name = emoji.get_canonical_name("thumbs_up");
    assert.equal(canonical_name, "+1");

    canonical_name = emoji.get_canonical_name("+1");
    assert.equal(canonical_name, "+1");

    canonical_name = emoji.get_canonical_name("airplane");
    assert.equal(canonical_name, "airplane");

    blueslip.expect("error", "Invalid emoji name: non_existent");
    emoji.get_canonical_name("non_existent");
});

function set_up_spain_realm_emoji_for_test() {
    const realm_emojis = {
        101: {
            id: 101,
            name: "spain",
            source_url: "/some/path/to/spain.png",
            deactivated: false,
        },
    };
    emoji.update_emojis(realm_emojis);
}

run_test("get_emoji_* API", () => {
    assert.equal(emoji.get_emoji_name("1f384"), "holiday_tree");
    assert.equal(emoji.get_emoji_name("1f951"), "avocado");
    assert.equal(emoji.get_emoji_name("bogus"), undefined);

    assert.equal(emoji.get_emoji_codepoint("avocado"), "1f951");
    assert.equal(emoji.get_emoji_codepoint("holiday_tree"), "1f384");
    assert.equal(emoji.get_emoji_codepoint("bogus"), undefined);

    assert.equal(emoji.get_realm_emoji_url("spain"), undefined);
    set_up_spain_realm_emoji_for_test();
    assert.equal(emoji.get_realm_emoji_url("spain"), "/some/path/to/spain.png");
});