zulip/frontend_tests/node_tests/components.js

282 lines
8.2 KiB
JavaScript

"use strict";
const {strict: assert} = require("assert");
const _ = require("lodash");
const {set_global, zrequire} = require("../zjsunit/namespace");
const {run_test} = require("../zjsunit/test");
zrequire("keydown_util");
const components = zrequire("components");
const noop = function () {};
const LEFT_KEY = {which: 37, preventDefault: noop, stopPropagation: noop};
const RIGHT_KEY = {which: 39, preventDefault: noop, stopPropagation: noop};
run_test("basics", () => {
let keydown_f;
let click_f;
const tabs = [];
let focused_tab;
let callback_args;
function make_tab(i) {
const self = {};
assert.equal(tabs.length, i);
self.stub = true;
self.class = [];
self.addClass = function (c) {
self.class += " " + c;
const tokens = self.class.trim().split(/ +/);
self.class = _.uniq(tokens).join(" ");
};
self.removeClass = function (c) {
const tokens = self.class.trim().split(/ +/);
self.class = _.without(tokens, c).join(" ");
};
self.hasClass = function (c) {
const tokens = self.class.trim().split(/ +/);
return tokens.includes(c);
};
self.data = function (name) {
assert.equal(name, "tab-id");
return i;
};
self.text = function (text) {
assert.equal(
text,
[
"translated: Keyboard shortcuts",
"translated: Message formatting",
"translated: Search operators",
][i],
);
};
self.trigger = function (type) {
if (type === "focus") {
focused_tab = i;
}
};
tabs.push(self);
return self;
}
const ind_tab = (function () {
const self = {};
self.stub = true;
self.on = function (name, f) {
if (name === "click") {
click_f = f;
} else if (name === "keydown") {
keydown_f = f;
}
};
self.removeClass = function (c) {
for (const tab of tabs) {
tab.removeClass(c);
}
};
self.eq = function (idx) {
return tabs[idx];
};
return self;
})();
const switcher = (function () {
const self = {};
self.stub = true;
self.children = [];
self.classList = new Set();
self.append = function (child) {
self.children.push(child);
};
self.addClass = function (c) {
self.classList.add(c);
self.addedClass = c;
};
self.find = function (sel) {
switch (sel) {
case ".ind-tab":
return ind_tab;
default:
throw new Error("unknown selector: " + sel);
}
};
return self;
})();
set_global("$", (sel, attributes) => {
if (sel.stub) {
// The component often redundantly re-wraps objects.
return sel;
}
switch (sel) {
case "<div class='tab-switcher'></div>":
return switcher;
case "<div class='tab-switcher stream_sorter_toggle'></div>":
return switcher;
case "<div>": {
const tab_id = attributes["data-tab-id"];
assert.deepEqual(
attributes,
[
{
class: "ind-tab",
"data-tab-key": "keyboard-shortcuts",
"data-tab-id": 0,
tabindex: 0,
},
{
class: "ind-tab",
"data-tab-key": "message-formatting",
"data-tab-id": 1,
tabindex: 0,
},
{
class: "ind-tab",
"data-tab-key": "search-operators",
"data-tab-id": 2,
tabindex: 0,
},
][tab_id],
);
return make_tab(tab_id);
}
default:
throw new Error("unknown selector: " + sel);
}
});
let callback_value;
let widget = null;
widget = components.toggle({
selected: 0,
values: [
{label: i18n.t("Keyboard shortcuts"), key: "keyboard-shortcuts"},
{label: i18n.t("Message formatting"), key: "message-formatting"},
{label: i18n.t("Search operators"), key: "search-operators"},
],
html_class: "stream_sorter_toggle",
callback(name, key) {
assert.equal(callback_args, undefined);
callback_args = [name, key];
// The subs code tries to get a widget value in the middle of a
// callback, which can lead to obscure bugs.
if (widget) {
callback_value = widget.value();
}
},
});
assert.equal(widget.get(), switcher);
assert.deepEqual(switcher.children, tabs);
assert.equal(switcher.addedClass, "stream_sorter_toggle");
assert.equal(focused_tab, 0);
assert.equal(tabs[0].class, "first selected");
assert.equal(tabs[1].class, "middle");
assert.equal(tabs[2].class, "last");
assert.deepEqual(callback_args, ["translated: Keyboard shortcuts", "keyboard-shortcuts"]);
assert.equal(widget.value(), "translated: Keyboard shortcuts");
callback_args = undefined;
widget.goto("message-formatting");
assert.equal(focused_tab, 1);
assert.equal(tabs[0].class, "first");
assert.equal(tabs[1].class, "middle selected");
assert.equal(tabs[2].class, "last");
assert.deepEqual(callback_args, ["translated: Message formatting", "message-formatting"]);
assert.equal(widget.value(), "translated: Message formatting");
// Go to same tab twice and make sure we get callback.
callback_args = undefined;
widget.goto("message-formatting");
assert.deepEqual(callback_args, ["translated: Message formatting", "message-formatting"]);
callback_args = undefined;
keydown_f.call(tabs[focused_tab], RIGHT_KEY);
assert.equal(focused_tab, 2);
assert.equal(tabs[0].class, "first");
assert.equal(tabs[1].class, "middle");
assert.equal(tabs[2].class, "last selected");
assert.deepEqual(callback_args, ["translated: Search operators", "search-operators"]);
assert.equal(widget.value(), "translated: Search operators");
assert.equal(widget.value(), callback_value);
// try to crash the key handler
keydown_f.call(tabs[focused_tab], RIGHT_KEY);
assert.equal(widget.value(), "translated: Search operators");
callback_args = undefined;
keydown_f.call(tabs[focused_tab], LEFT_KEY);
assert.equal(widget.value(), "translated: Message formatting");
callback_args = undefined;
keydown_f.call(tabs[focused_tab], LEFT_KEY);
assert.equal(widget.value(), "translated: Keyboard shortcuts");
// try to crash the key handler
keydown_f.call(tabs[focused_tab], LEFT_KEY);
assert.equal(widget.value(), "translated: Keyboard shortcuts");
callback_args = undefined;
widget.disable_tab("message-formatting");
keydown_f.call(tabs[focused_tab], RIGHT_KEY);
assert.equal(widget.value(), "translated: Search operators");
callback_args = undefined;
keydown_f.call(tabs[focused_tab], LEFT_KEY);
assert.equal(widget.value(), "translated: Keyboard shortcuts");
widget.enable_tab("message-formatting");
callback_args = undefined;
click_f.call(tabs[1]);
assert.equal(widget.value(), "translated: Message formatting");
callback_args = undefined;
widget.disable_tab("search-operators");
assert.equal(tabs[2].hasClass("disabled"), true);
assert.equal(tabs[2].class, "last disabled");
widget.goto("keyboard-shortcuts");
assert.equal(focused_tab, 0);
widget.goto("search-operators");
assert.equal(focused_tab, 0);
});