zulip/frontend_tests/node_tests/util.js
Steve Howell 42435db492 Add run_test helper for individual tests.
This run_test helper sets up a convention that allows
us to give really short tracebacks for errors, and
eventually we can have more control over running
individual tests.  (The latter goal has some
complications, since we often intentionally leak
setup in tests.)
2018-05-15 08:24:44 -07:00

284 lines
8.3 KiB
JavaScript

set_global('$', global.make_zjquery());
set_global('document', {});
set_global('window', {});
zrequire('util');
run_test('CachedValue', () => {
var x = 5;
var cv = new util.CachedValue({
compute_value: function () {
return x * 2;
},
});
assert.equal(cv.get(), 10);
x = 6;
assert.equal(cv.get(), 10);
cv.reset();
assert.equal(cv.get(), 12);
});
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', () => {
var message = { reply_to: '[email protected],[email protected],[email protected]' };
assert(util.is_pm_recipient('[email protected]', message));
assert(util.is_pm_recipient('[email protected]', message));
assert(!util.is_pm_recipient('[email protected]', message));
});
run_test('rtrim', () => {
assert.equal(util.rtrim('foo'), 'foo');
assert.equal(util.rtrim(' foo'), ' foo');
assert.equal(util.rtrim('foo '), 'foo');
});
run_test('lower_bound', () => {
var 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, subject: 'Bar'},
{type: 'stream', stream_id: 101, subject: 'bar'}));
assert(!util.same_recipient(
{type: 'stream', stream_id: 101, subject: 'Bar'},
{type: 'stream', stream_id: 102, subject: '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, subject: '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', function () { throw 'foo'; });
try {
util.robust_uri_decode('%E0%A4%A');
} catch (e) {
assert(e, 'foo');
}
});
run_test('dumb_strcmp', () => {
Intl.Collator = undefined;
var strcmp = util.make_strcmp();
assert.equal(strcmp('a', 'b'), -1);
assert.equal(strcmp('c', 'c'), 0);
assert.equal(strcmp('z', 'y'), 1);
});
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', () => {
var min = 0;
var max = 100;
_.times(500, function () {
var 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', () => {
var messages_with_all_mentions = [
'@**all**',
'some text before @**all** some text after',
'@**all** some text after only',
'some text before only @**all**',
];
var messages_with_everyone_mentions = [
'@**everyone**',
'some text before @**everyone** some text after',
'@**everyone** some text after only',
'some text before only @**everyone**',
];
var messages_with_stream_mentions = [
'@**stream**',
'some text before @**stream** some text after',
'@**stream** some text after only',
'some text before only @**stream**',
];
var messages_without_all_mentions = [
'@all',
'some text before @all some text after',
'`@everyone`',
'[email protected]',
'`@**everyone**`',
'some_email@**everyone**.com',
];
var messages_without_everyone_mentions = [
'some text before @everyone some text after',
'@everyone',
'`@everyone`',
'[email protected]',
'`@**everyone**`',
'some_email@**everyone**.com',
];
var messages_without_stream_mentions = [
'some text before @stream some text after',
'@stream',
'`@stream`',
'[email protected]',
'`@**stream**`',
'some_email@**stream**.com',
];
var i;
for (i=0; i<messages_with_all_mentions.length; i += 1) {
assert(util.is_all_or_everyone_mentioned(messages_with_all_mentions[i]));
}
for (i=0; i<messages_with_everyone_mentions.length; i += 1) {
assert(util.is_all_or_everyone_mentioned(messages_with_everyone_mentions[i]));
}
for (i=0; i<messages_with_stream_mentions.length; i += 1) {
assert(util.is_all_or_everyone_mentioned(messages_with_stream_mentions[i]));
}
for (i=0; i<messages_without_all_mentions.length; i += 1) {
assert(!util.is_all_or_everyone_mentioned(messages_without_everyone_mentions[i]));
}
for (i=0; i<messages_without_everyone_mentions.length; i += 1) {
assert(!util.is_all_or_everyone_mentioned(messages_without_everyone_mentions[i]));
}
for (i=0; i<messages_without_stream_mentions.length; i += 1) {
assert(!util.is_all_or_everyone_mentioned(messages_without_stream_mentions[i]));
}
});
run_test('move_array_elements_to_front', () => {
var strings = [
'string1',
'string3',
'string2',
'string4',
];
var strings_selection = [
'string4',
'string1',
];
var strings_expected = [
'string1',
'string4',
'string3',
'string2',
];
var strings_no_selection = util.move_array_elements_to_front(strings, []);
var strings_no_array = util.move_array_elements_to_front([], strings_selection);
var strings_actual = util.move_array_elements_to_front(strings, strings_selection);
var emails = [
'[email protected]',
'[email protected]',
'test@localhost',
'test@invalid@email',
'[email protected]',
];
var emails_selection = [
'[email protected]',
'test@localhost',
'test@invalid@email',
];
var emails_expected = [
'[email protected]',
'test@localhost',
'test@invalid@email',
'[email protected]',
'[email protected]',
];
var emails_actual = util.move_array_elements_to_front(emails, emails_selection);
var 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]);
}
});