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Reduce the flakiness of TestAsyncRuleEvaluation (#14300)

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* Reduce the flakiness of TestAsyncRuleEvaluation

This tests sleeps for 15 millisecond per rule group, and then comprares
the entire execution time to be smaller than a multiple of that delay.

The ruleCount is 6, so it assumes that the test will come to the
assertions in less than 90ms.

Meanwhile, the Github's Windows runner:
- ...Huh, oh? What? How much time? milliwhat? Sorry I don't speak that.

TL;DR, this increases the delay to 250 millisecond. This won't prevent
the test from being flaky, but will reduce the flakiness by several
orders of magnitude and hopefully won't be an issue anymore.

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>

* Make tests parallel

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>

---------

Signed-off-by: Oleg Zaytsev <mail@olegzaytsev.com>
This commit is contained in:
Oleg Zaytsev 2024-06-14 15:02:46 +02:00 committed by GitHub
parent 5a218708f1
commit 4c1e71fa0b
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1 changed files with 21 additions and 21 deletions
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42
rules/manager_test.go
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@ -1910,18 +1910,12 @@ func TestDependencyMapUpdatesOnGroupUpdate(t *testing.T) {
}
func TestAsyncRuleEvaluation(t *testing.T) {
storage := teststorage.New(t)
t.Cleanup(func() { storage.Close() })
var (
inflightQueries atomic.Int32
maxInflight atomic.Int32
)
t.Run("synchronous evaluation with independent rules", func(t *testing.T) {
// Reset.
inflightQueries.Store(0)
maxInflight.Store(0)
t.Parallel()
storage := teststorage.New(t)
t.Cleanup(func() { storage.Close() })
inflightQueries := atomic.Int32{}
maxInflight := atomic.Int32{}
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
@ -1949,9 +1943,11 @@ func TestAsyncRuleEvaluation(t *testing.T) {
})
t.Run("asynchronous evaluation with independent and dependent rules", func(t *testing.T) {
// Reset.
inflightQueries.Store(0)
maxInflight.Store(0)
t.Parallel()
storage := teststorage.New(t)
t.Cleanup(func() { storage.Close() })
inflightQueries := atomic.Int32{}
maxInflight := atomic.Int32{}
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
@ -1985,9 +1981,11 @@ func TestAsyncRuleEvaluation(t *testing.T) {
})
t.Run("asynchronous evaluation of all independent rules, insufficient concurrency", func(t *testing.T) {
// Reset.
inflightQueries.Store(0)
maxInflight.Store(0)
t.Parallel()
storage := teststorage.New(t)
t.Cleanup(func() { storage.Close() })
inflightQueries := atomic.Int32{}
maxInflight := atomic.Int32{}
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
@ -2021,9 +2019,11 @@ func TestAsyncRuleEvaluation(t *testing.T) {
})
t.Run("asynchronous evaluation of all independent rules, sufficient concurrency", func(t *testing.T) {
// Reset.
inflightQueries.Store(0)
maxInflight.Store(0)
t.Parallel()
storage := teststorage.New(t)
t.Cleanup(func() { storage.Close() })
inflightQueries := atomic.Int32{}
maxInflight := atomic.Int32{}
ctx, cancel := context.WithCancel(context.Background())
t.Cleanup(cancel)
@ -2098,7 +2098,7 @@ func TestBoundedRuleEvalConcurrency(t *testing.T) {
require.EqualValues(t, maxInflight.Load(), int32(maxConcurrency)+int32(groupCount))
}
const artificialDelay = 15 * time.Millisecond
const artificialDelay = 250 * time.Millisecond
func optsFactory(storage storage.Storage, maxInflight, inflightQueries *atomic.Int32, maxConcurrent int64) *ManagerOptions {
var inflightMu sync.Mutex