36 lines
853 B
Go
36 lines
853 B
Go
package task
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import (
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"context"
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"strings"
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"sync"
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"testing"
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"unicode/utf8"
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)
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func TestOutputIsBoundedConcurrentAndExecutionLocal(t *testing.T) {
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ctx, output := WithOutput(context.Background())
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other, separate := WithOutput(context.Background())
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Logf(other, "独立任务")
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var workers sync.WaitGroup
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for i := 0; i < 20; i++ {
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workers.Add(1)
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go func() {
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defer workers.Done()
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for j := 0; j < 100; j++ {
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Logf(ctx, "%s", strings.Repeat("渠道", 20))
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_ = output.String()
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}
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}()
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}
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workers.Wait()
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text := output.String()
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if !utf8.ValidString(text) || len(text) > 3100 || !strings.Contains(text, "已截断") {
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t.Fatalf("invalid bounded output: bytes=%d", len(text))
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}
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if separate.String() != "独立任务" {
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t.Fatal("execution details leaked between tasks")
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}
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Logf(context.Background(), "outside an execution")
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}
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