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test: debounce/throttle

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2025-01-07 11:58:54 -05:00
parent 8864e65805
commit d5ae91a35d
1 changed files with 54 additions and 0 deletions
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54
test/utils.js
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@@ -501,4 +501,58 @@ describe('Utility Methods', () => {
assert.strictEqual(result.user1.uid, uid1);
assert.strictEqual(result.user2.uid, uid2);
});
describe('debounce/throttle', () => {
it('should call function after x milliseconds once', (done) => {
let count = 0;
const now = Date.now();
const fn = utils.debounce(() => {
count += 1;
assert.strictEqual(count, 1);
assert(Date.now() - now > 50);
}, 100);
fn();
fn();
setTimeout(() => done(), 200);
});
it('should call function first if immediate=true', (done) => {
let count = 0;
const now = Date.now();
const fn = utils.debounce(() => {
count += 1;
assert.strictEqual(count, 1);
assert(Date.now() - now < 50);
}, 100, true);
fn();
fn();
setTimeout(() => done(), 200);
});
it('should call function after x milliseconds once', (done) => {
let count = 0;
const now = Date.now();
const fn = utils.throttle(() => {
count += 1;
assert.strictEqual(count, 1);
assert(Date.now() - now > 50);
}, 100);
fn();
fn();
setTimeout(() => done(), 200);
});
it('should call function twice if immediate=true', (done) => {
let count = 0;
const fn = utils.throttle(() => {
count += 1;
}, 100, true);
fn();
fn();
setTimeout(() => {
assert.strictEqual(count, 2);
done();
}, 200);
});
});
});