mirror of
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67 lines
1.7 KiB
Go
67 lines
1.7 KiB
Go
/*
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Copyright 2020 Docker Compose CLI authors
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package watch
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import (
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"context"
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"slices"
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"testing"
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"time"
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"github.com/jonboulle/clockwork"
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"gotest.tools/v3/assert"
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)
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func Test_BatchDebounceEvents(t *testing.T) {
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ch := make(chan FileEvent)
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clock := clockwork.NewFakeClock()
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ctx, stop := context.WithCancel(context.Background())
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t.Cleanup(stop)
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eventBatchCh := BatchDebounceEvents(ctx, clock, ch)
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for i := 0; i < 100; i++ {
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path := "/a"
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if i%2 == 0 {
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path = "/b"
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}
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ch <- FileEvent(path)
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}
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// we sent 100 events + the debouncer
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err := clock.BlockUntilContext(ctx, 101)
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assert.NilError(t, err)
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clock.Advance(QuietPeriod)
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select {
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case batch := <-eventBatchCh:
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slices.Sort(batch)
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assert.Equal(t, len(batch), 2)
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assert.Equal(t, batch[0], FileEvent("/a"))
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assert.Equal(t, batch[1], FileEvent("/b"))
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case <-time.After(50 * time.Millisecond):
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t.Fatal("timed out waiting for events")
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}
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err = clock.BlockUntilContext(ctx, 1)
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assert.NilError(t, err)
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clock.Advance(QuietPeriod)
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// there should only be a single batch
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select {
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case batch := <-eventBatchCh:
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t.Fatalf("unexpected events: %v", batch)
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case <-time.After(50 * time.Millisecond):
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// channel is empty
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}
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}
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