zulip/frontend_tests/node_tests/util.js
Anders Kaseorg 6ec808b8df js: Add "use strict" directive to CommonJS files.
ES and TypeScript modules are strict by default and don’t need this
directive.  ESLint will remind us to add it to new CommonJS files and
remove it from ES and TypeScript modules.

Signed-off-by: Anders Kaseorg <[email protected]>
2020-07-31 22:09:46 -07:00

302 lines
9.6 KiB
JavaScript

"use strict";
const {JSDOM} = require("jsdom");
const _ = require("lodash");
set_global("$", global.make_zjquery());
set_global("DOMParser", new JSDOM().window.DOMParser);
set_global("document", {});
const util = zrequire("util");
run_test("CachedValue", () => {
let x = 5;
const cv = new util.CachedValue({
compute_value() {
return x * 2;
},
});
assert.equal(cv.get(), 10);
x = 6;
assert.equal(cv.get(), 10);
cv.reset();
assert.equal(cv.get(), 12);
});
run_test("get_reload_topic", () => {
assert.equal(util.get_reload_topic({subject: "foo"}), "foo");
assert.equal(util.get_reload_topic({topic: "bar"}), "bar");
});
run_test("extract_pm_recipients", () => {
assert.equal(util.extract_pm_recipients("[email protected], [email protected]").length, 2);
assert.equal(util.extract_pm_recipients("[email protected], ").length, 1);
});
run_test("is_pm_recipient", () => {
const message = {to_user_ids: "31,32,33"};
assert(util.is_pm_recipient(31, message));
assert(util.is_pm_recipient(32, message));
assert(!util.is_pm_recipient(34, message));
});
run_test("lower_bound", () => {
let arr = [10, 20, 30, 40, 50];
assert.equal(util.lower_bound(arr, 5), 0);
assert.equal(util.lower_bound(arr, 10), 0);
assert.equal(util.lower_bound(arr, 15), 1);
assert.equal(util.lower_bound(arr, 50), 4);
assert.equal(util.lower_bound(arr, 55), 5);
assert.equal(util.lower_bound(arr, 2, 4, 31), 3);
arr = [{x: 10}, {x: 20}, {x: 30}];
function compare(a, b) {
return a.x < b;
}
assert.equal(util.lower_bound(arr, 5, compare), 0);
assert.equal(util.lower_bound(arr, 10, compare), 0);
assert.equal(util.lower_bound(arr, 15, compare), 1);
});
run_test("same_recipient", () => {
assert(
util.same_recipient(
{type: "stream", stream_id: 101, topic: "Bar"},
{type: "stream", stream_id: 101, topic: "bar"},
),
);
assert(
!util.same_recipient(
{type: "stream", stream_id: 101, topic: "Bar"},
{type: "stream", stream_id: 102, topic: "whatever"},
),
);
assert(
util.same_recipient(
{type: "private", to_user_ids: "101,102"},
{type: "private", to_user_ids: "101,102"},
),
);
assert(
!util.same_recipient(
{type: "private", to_user_ids: "101,102"},
{type: "private", to_user_ids: "103"},
),
);
assert(!util.same_recipient({type: "stream", stream_id: 101, topic: "Bar"}, {type: "private"}));
assert(!util.same_recipient({type: "private", to_user_ids: undefined}, {type: "private"}));
assert(!util.same_recipient({type: "unknown type"}, {type: "unknown type"}));
assert(!util.same_recipient(undefined, {type: "private"}));
assert(!util.same_recipient(undefined, undefined));
});
run_test("robust_uri_decode", () => {
assert.equal(util.robust_uri_decode("xxx%3Ayyy"), "xxx:yyy");
assert.equal(util.robust_uri_decode("xxx%3"), "xxx");
set_global("decodeURIComponent", () => {
throw "foo";
});
try {
util.robust_uri_decode("%E0%A4%A");
} catch (e) {
assert.equal(e, "foo");
}
});
run_test("dumb_strcmp", () => {
Intl.Collator = undefined;
const strcmp = util.make_strcmp();
assert.equal(strcmp("a", "b"), -1);
assert.equal(strcmp("c", "c"), 0);
assert.equal(strcmp("z", "y"), 1);
});
run_test("get_edit_event_orig_topic", () => {
assert.equal(util.get_edit_event_orig_topic({orig_subject: "lunch"}), "lunch");
});
run_test("get_edit_event_prev_topic", () => {
assert.equal(util.get_edit_event_prev_topic({prev_subject: "dinner"}), "dinner");
});
run_test("is_mobile", () => {
global.window.navigator = {userAgent: "Android"};
assert(util.is_mobile());
global.window.navigator = {userAgent: "Not mobile"};
assert(!util.is_mobile());
});
run_test("array_compare", () => {
assert(util.array_compare([], []));
assert(util.array_compare([1, 2, 3], [1, 2, 3]));
assert(!util.array_compare([1, 2], [1, 2, 3]));
assert(!util.array_compare([1, 2, 3], [1, 2]));
assert(!util.array_compare([1, 2, 3, 4], [1, 2, 3, 5]));
});
run_test("normalize_recipients", () => {
assert.equal(
util.normalize_recipients("[email protected], [email protected], [email protected], [email protected] "),
"[email protected],[email protected],[email protected],[email protected]",
);
});
run_test("random_int", () => {
const min = 0;
const max = 100;
_.times(500, () => {
const val = util.random_int(min, max);
assert(min <= val);
assert(val <= max);
assert.equal(val, Math.floor(val));
});
});
run_test("all_and_everyone_mentions_regexp", () => {
const messages_with_all_mentions = [
"@**all**",
"some text before @**all** some text after",
"@**all** some text after only",
"some text before only @**all**",
];
const messages_with_everyone_mentions = [
"@**everyone**",
"some text before @**everyone** some text after",
"@**everyone** some text after only",
"some text before only @**everyone**",
];
const messages_with_stream_mentions = [
"@**stream**",
"some text before @**stream** some text after",
"@**stream** some text after only",
"some text before only @**stream**",
];
const messages_without_all_mentions = [
"@all",
"some text before @all some text after",
"`@everyone`",
"[email protected]",
"`@**everyone**`",
"some_email@**everyone**.com",
];
const messages_without_everyone_mentions = [
"some text before @everyone some text after",
"@everyone",
"`@everyone`",
"[email protected]",
"`@**everyone**`",
"some_email@**everyone**.com",
];
const messages_without_stream_mentions = [
"some text before @stream some text after",
"@stream",
"`@stream`",
"[email protected]",
"`@**stream**`",
"some_email@**stream**.com",
];
let i;
for (i = 0; i < messages_with_all_mentions.length; i += 1) {
assert(util.find_wildcard_mentions(messages_with_all_mentions[i]));
}
for (i = 0; i < messages_with_everyone_mentions.length; i += 1) {
assert(util.find_wildcard_mentions(messages_with_everyone_mentions[i]));
}
for (i = 0; i < messages_with_stream_mentions.length; i += 1) {
assert(util.find_wildcard_mentions(messages_with_stream_mentions[i]));
}
for (i = 0; i < messages_without_all_mentions.length; i += 1) {
assert(!util.find_wildcard_mentions(messages_without_everyone_mentions[i]));
}
for (i = 0; i < messages_without_everyone_mentions.length; i += 1) {
assert(!util.find_wildcard_mentions(messages_without_everyone_mentions[i]));
}
for (i = 0; i < messages_without_stream_mentions.length; i += 1) {
assert(!util.find_wildcard_mentions(messages_without_stream_mentions[i]));
}
});
run_test("move_array_elements_to_front", () => {
const strings = ["string1", "string3", "string2", "string4"];
const strings_selection = ["string4", "string1"];
const strings_expected = ["string1", "string4", "string3", "string2"];
const strings_no_selection = util.move_array_elements_to_front(strings, []);
const strings_no_array = util.move_array_elements_to_front([], strings_selection);
const strings_actual = util.move_array_elements_to_front(strings, strings_selection);
const emails = [
"[email protected]",
"[email protected]",
"test@localhost",
"test@invalid@email",
"[email protected]",
];
const emails_selection = ["[email protected]", "test@localhost", "test@invalid@email"];
const emails_expected = [
"[email protected]",
"test@localhost",
"test@invalid@email",
"[email protected]",
"[email protected]",
];
const emails_actual = util.move_array_elements_to_front(emails, emails_selection);
let i;
assert(strings_no_selection.length === strings.length);
for (i = 0; i < strings_no_selection.length; i += 1) {
assert(strings_no_selection[i] === strings[i]);
}
assert(strings_no_array.length === 0);
assert(strings_actual.length === strings_expected.length);
for (i = 0; i < strings_actual.length; i += 1) {
assert(strings_actual[i] === strings_expected[i]);
}
assert(emails_actual.length === emails_expected.length);
for (i = 0; i < emails_actual.length; i += 1) {
assert(emails_actual[i] === emails_expected[i]);
}
});
run_test("clean_user_content_links", () => {
window.location.href = "http://zulip.zulipdev.com/";
window.location.origin = "http://zulip.zulipdev.com";
assert.equal(
util.clean_user_content_links(
'<a href="http://example.com">good</a> ' +
'<a href="http://zulip.zulipdev.com/user_uploads/w/ha/tever/file.png">upload</a> ' +
'<a href="http://localhost:NNNN">invalid</a> ' +
'<a href="javascript:alert(1)">unsafe</a> ' +
'<a href="/#fragment" target="_blank">fragment</a>',
),
'<a href="http://example.com" target="_blank" rel="noopener noreferrer" title="http://example.com/">good</a> ' +
'<a href="http://zulip.zulipdev.com/user_uploads/w/ha/tever/file.png" target="_blank" rel="noopener noreferrer" title="file.png">upload</a> ' +
"<a>invalid</a> " +
"<a>unsafe</a> " +
'<a href="/#fragment" title="http://zulip.zulipdev.com/#fragment">fragment</a>',
);
});