mirror of https://github.com/milvus-io/milvus.git
59 lines
997 B
Go
59 lines
997 B
Go
package helper
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import (
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"testing"
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"github.com/cockroachdb/errors"
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"github.com/stretchr/testify/assert"
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)
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func TestScanner(t *testing.T) {
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h := NewScannerHelper("test")
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assert.NotNil(t, h.Context())
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assert.Equal(t, h.Name(), "test")
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assert.NotNil(t, h.Context())
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select {
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case <-h.Done():
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t.Errorf("should not done")
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return
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case <-h.Context().Done():
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t.Error("should not cancel")
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return
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default:
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}
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finishErr := errors.New("test")
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ch := make(chan struct{})
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go func() {
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defer close(ch)
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done := false
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cancel := false
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cancelCh := h.Context().Done()
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doneCh := h.Done()
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for i := 0; ; i += 1 {
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select {
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case <-doneCh:
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done = true
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doneCh = nil
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case <-cancelCh:
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cancel = true
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cancelCh = nil
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h.Finish(finishErr)
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}
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if cancel && done {
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return
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}
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if i == 0 {
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assert.True(t, cancel && !done)
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} else if i == 1 {
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assert.True(t, cancel && done)
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}
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}
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}()
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h.Close()
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assert.ErrorIs(t, h.Error(), finishErr)
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<-ch
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}
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