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test_runner: triggered mocked setInterval stops processing of other timers that are due #50382

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mika-fischer opened this issue Oct 25, 2023 · 0 comments · Fixed by #50384
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test_runner Issues and PRs related to the test runner subsystem.

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@mika-fischer
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Version

main

Platform

Linux s7 5.15.0-69-generic #76-Ubuntu SMP Fri Mar 17 17:19:29 UTC 2023 x86_64 x86_64 x86_64 GNU/Linux

Subsystem

test

What steps will reproduce the bug?

Because of an incorrect early return here, when a mocked setInterval is triggered, processing of timers stops, even if there are more timers queued, that are already due.

Pull request incoming.

`test.skip("setInterval stops processing of timers", async (t) => {
  t.mock.timers.enable({ apis: ["setInterval", "setTimeout"] });
  const f1 = t.mock.fn();
  const f2 = t.mock.fn();

  setInterval(f1, 1000);
  setTimeout(f2, 1001);

  assert.strictEqual(f1.mock.callCount(), 0);
  assert.strictEqual(f2.mock.callCount(), 0);

  t.mock.timers.tick(1001);

  assert.strictEqual(f1.mock.callCount(), 1);
  assert.strictEqual(f2.mock.callCount(), 1);
});

fails with:

❯ ~/src/libs/node/node index.mjs
✖ setInterval stops processing of timers (2.266168ms)
  AssertionError [ERR_ASSERTION]: Expected values to be strictly equal:
  
  0 !== 1
  
      at TestContext.<anonymous> (file:///home/mfischer/src/tests/node-mock-timers/index.mjs:89:10)
      at Test.runInAsyncScope (node:async_hooks:206:9)
      at Test.run (node:internal/test_runner/test:631:25)
      at Test.processPendingSubtests (node:internal/test_runner/test:374:18)
      at Test.postRun (node:internal/test_runner/test:715:19)
      at Test.run (node:internal/test_runner/test:673:12)
      at async Test.processPendingSubtests (node:internal/test_runner/test:374:7) {
    generatedMessage: true,
    code: 'ERR_ASSERTION',
    actual: 0,
    expected: 1,
    operator: 'strictEqual'
  }

How often does it reproduce? Is there a required condition?

Always

What is the expected behavior? Why is that the expected behavior?

All timers that are due should be processed

What do you see instead?

Timers that are due are not triggered

Additional information

No response

mika-fischer added a commit to mika-fischer/node that referenced this issue Oct 25, 2023
An incorrect early return caused processing of due timers to stop
prematurely.

Fixes: nodejs#50382
mika-fischer added a commit to mika-fischer/node that referenced this issue Oct 25, 2023
mocked setInterval used the wrong increment when scheduling the new
timer.

Fixes: nodejs#50382
mika-fischer added a commit to mika-fischer/node that referenced this issue Oct 25, 2023
An incorrect early return caused processing of due timers to stop
prematurely.

Fixes: nodejs#50382
mika-fischer added a commit to mika-fischer/node that referenced this issue Oct 25, 2023
mocked setInterval used the wrong increment when scheduling the new
timer.

Fixes: nodejs#50382
@mertcanaltin mertcanaltin added the test_runner Issues and PRs related to the test runner subsystem. label Oct 25, 2023
nodejs-github-bot pushed a commit that referenced this issue Nov 12, 2023
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: James M Snell <jasnell@gmail.com>
targos pushed a commit that referenced this issue Nov 23, 2023
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: James M Snell <jasnell@gmail.com>
UlisesGascon pushed a commit that referenced this issue Dec 11, 2023
PR-URL: #50384
Fixes: #50365
Fixes: #50381
Fixes: #50382
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Chemi Atlow <chemi@atlow.co.il>
Reviewed-By: James M Snell <jasnell@gmail.com>
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