zulip/zerver/tests/frontend/node/util.js

143 lines
4.1 KiB
JavaScript

add_dependencies({
util: 'js/util.js'
});
var util = global.util;
var _ = global._;
(function 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);
}());
(function 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);
}());
(function test_same_recipient() {
_.each([util.same_recipient, util.same_major_recipient], function (same) {
assert(same(
{type: 'stream', stream: 'Foo', subject: 'Bar'},
{type: 'stream', stream: 'fOO', subject: 'bar'}
));
assert(!same(
{type: 'stream', stream: 'Foo', subject: 'Bar'},
{type: 'stream', stream: 'yo', subject: 'whatever'}
));
assert(same(
{type: 'private', reply_to: 'fred@zulip.com,melissa@zulip.com'},
{type: 'private', reply_to: 'fred@zulip.com,melissa@zulip.com'}
));
assert(!same(
{type: 'private', reply_to: 'fred@zulip.com'},
{type: 'private', reply_to: 'Fred@zulip.com'}
));
assert(!same(
{type: 'stream', stream: 'Foo', subject: 'Bar'},
{type: 'private', reply_to: 'Fred@zulip.com'}
));
});
assert(util.same_major_recipient(
{type: 'stream', stream: 'Foo', subject: 'sub1'},
{type: 'stream', stream: 'fOO', subject: 'sub2'}
));
assert(!util.same_recipient(
{type: 'stream', stream: 'Foo', subject: 'sub1'},
{type: 'stream', stream: 'fOO', subject: 'sub2'}
));
}());
(function test_robust_uri_decode() {
assert.equal(util.robust_uri_decode('xxx%3Ayyy'), 'xxx:yyy');
assert.equal(util.robust_uri_decode('xxx%3'), 'xxx');
}());
(function 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]));
}());
(function test_normalize_recipients() {
assert(util.normalize_recipients(' bob@foo.com, alice@foo.com '), 'alice@foo.com,bob@foo.com');
}());
(function 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));
});
}());
(function test_enforce_arity() {
function f1() {}
var eaf1 = util.enforce_arity(f1);
assert.doesNotThrow(function () { f1('foo'); });
assert.doesNotThrow(function () { eaf1(); });
assert.throws(function () { eaf1('foo'); }, /called with \d+ arguments/);
assert.throws(function () { eaf1('foo', 'bar'); }, /called with \d+ arguments/);
function f2(x) {}
var eaf2 = util.enforce_arity(f2);
assert.doesNotThrow(function () { f2(); });
assert.doesNotThrow(function () { eaf2('foo'); });
assert.throws(function () { eaf2(); }, /called with \d+ arguments/);
assert.throws(function () { eaf2('foo', 'bar'); }, /called with \d+ arguments/);
function f3(x, y) {}
var eaf3 = util.enforce_arity(f3);
assert.doesNotThrow(function () { f3(); });
assert.doesNotThrow(function () { eaf3('foo', 'bar'); });
assert.throws(function () { eaf3(); }, /called with \d+ arguments/);
assert.throws(function () { eaf3('foo'); }, /called with \d+ arguments/);
assert.throws(function () { eaf3('foo','bar', 'baz'); }, /called with \d+ arguments/);
}());