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test_runner: add ref methods to mocked timers #51809

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merged 1 commit into from
Feb 26, 2024
Merged

test_runner: add ref methods to mocked timers #51809

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30 changes: 29 additions & 1 deletion lib/internal/test_runner/mock/mock_timers.js
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Original file line number Diff line number Diff line change
Expand Up @@ -67,6 +67,32 @@ const TIMERS_DEFAULT_INTERVAL = {
setImmediate: -1,
};

class Timeout {
constructor(opts) {
this.id = opts.id;
this.callback = opts.callback;
this.runAt = opts.runAt;
this.interval = opts.interval;
this.args = opts.args;
}

hasRef() {
return true;
}

ref() {
return this;
}

unref() {
return this;
}

refresh() {
return this;
}
}

class MockTimers {
#realSetTimeout;
#realClearTimeout;
Expand Down Expand Up @@ -260,14 +286,16 @@ class MockTimers {

#createTimer(isInterval, callback, delay, ...args) {
const timerId = this.#currentTimer++;
const timer = {
const opts = {
__proto__: null,
id: timerId,
callback,
runAt: this.#now + delay,
interval: isInterval ? delay : undefined,
args,
};

const timer = new Timeout(opts);
this.#executionQueue.insert(timer);
return timer;
}
Expand Down
34 changes: 34 additions & 0 deletions test/parallel/test-runner-mock-timers.js
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Expand Up @@ -844,4 +844,38 @@ describe('Mock Timers Test Suite', () => {
clearTimeout(id);
});
});

describe('Api should have same public properties as original', () => {
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What about adding tests that go over all properties so we won't have that problem again?

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Do you meanb internal mock properties that are not part of the original Timeout object?

it('should have hasRef', (t) => {
t.mock.timers.enable();
const timer = setTimeout();
assert.strictEqual(typeof timer.hasRef, 'function');
assert.strictEqual(timer.hasRef(), true);
clearTimeout(timer);
});

it('should have ref', (t) => {
t.mock.timers.enable();
const timer = setTimeout();
assert.ok(typeof timer.ref === 'function');
assert.deepStrictEqual(timer.ref(), timer);
clearTimeout(timer);
});

it('should have unref', (t) => {
t.mock.timers.enable();
const timer = setTimeout();
assert.ok(typeof timer.unref === 'function');
assert.deepStrictEqual(timer.unref(), timer);
clearTimeout(timer);
});

it('should have refresh', (t) => {
t.mock.timers.enable();
const timer = setTimeout();
assert.ok(typeof timer.refresh === 'function');
assert.deepStrictEqual(timer.refresh(), timer);
clearTimeout(timer);
});
});
});