mirror of
https://github.com/featurebasedb/featurebase.git
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51 lines
1.4 KiB
Go
51 lines
1.4 KiB
Go
// Copyright 2017 Pilosa Corp.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package pilosa
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import (
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"fmt"
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"sync/atomic"
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"testing"
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)
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func Test_ParallelJobs_EarlyShutdown_WaitsForAllGoro(t *testing.T) {
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const n = 10000 // total jobs to run
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var errLastOne = fmt.Errorf("the last job has run, and returned this error")
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pj := newParallelJobs(100)
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nTotal := int64(0)
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for i := 0; i < n; i++ {
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accepted := pj.run(func(worker int) error {
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highpoint := atomic.AddInt64(&nTotal, 1)
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switch int(highpoint) {
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case n - 1:
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return errLastOne
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}
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return nil
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})
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if !accepted {
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panic("should have been accepted")
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}
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}
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err := pj.waitForFinish()
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tot := atomic.LoadInt64(&nTotal)
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if int(tot) != n {
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panic(fmt.Sprintf("We didn't run them all? tot=%v, n=%v; pj.jobQ len %v; err='%v'", tot, n, len(pj.jobQ), err))
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}
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if err != errLastOne {
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panic("expected to see errLastOne")
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}
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// good: finished cleanly.
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}
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