parent
3a02c2003c
commit
b695b2c73f
@ -0,0 +1,80 @@ |
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package thread |
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|
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import ( |
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"context" |
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"github.com/stretchr/testify/assert" |
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"strconv" |
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"sync" |
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"sync/atomic" |
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"testing" |
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"time" |
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) |
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type report struct { |
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rw sync.Mutex |
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text string |
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} |
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func (r *report) log(text string) { |
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r.rw.Lock() |
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defer r.rw.Unlock() |
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r.text += text |
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} |
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func (r *report) String() string { |
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return r.text |
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} |
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func Test_checkManager(t *testing.T) { |
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var count atomic.Int32 |
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var r report |
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var wg sync.WaitGroup |
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ctx, cancel := context.WithCancel(context.Background()) |
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wg.Add(1) |
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go func() { |
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defer wg.Done() |
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r.log("Start manger\n") |
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manager := Manager{Count: 3} |
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go manager.Start(func() { |
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number := count.Add(1) |
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r.log("Start " + strconv.Itoa(int(number)) + "\n") |
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switch number { |
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case 1: |
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<-ctx.Done() |
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time.Sleep(100 * time.Millisecond) |
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case 2: |
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time.Sleep(100 * time.Millisecond) |
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case 3: |
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time.Sleep(200 * time.Millisecond) |
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case 4: |
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time.Sleep(200 * time.Millisecond) |
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case 5: |
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<-ctx.Done() |
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time.Sleep(200 * time.Millisecond) |
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case 6: |
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<-ctx.Done() |
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time.Sleep(300 * time.Millisecond) |
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default: |
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<-ctx.Done() |
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time.Sleep(400 * time.Millisecond) |
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} |
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r.log("Finish " + strconv.Itoa(int(number)) + "\n") |
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}) |
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r.log("Wait cancel\n") |
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manager.Wait(ctx) |
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r.log("Finish manger\n") |
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}() |
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time.Sleep(1 * time.Second) |
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cancel() |
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wg.Wait() |
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assert.Equal(t, int32(6), count.Load()) |
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assert.Equal(t, "Start manger\nWait cancel\nStart 1\nStart 2\nStart 3\nFinish 2\nStart 4\nFinish 3\nStart 5\nFinish 4\nStart 6\nFinish 1\nFinish 5\nFinish 6\nFinish manger\n", r.String()) |
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} |
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