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test: add buffer to prevent goroutine leak
Signed-off-by: Ziheng Liu <lzhfromustc@gmail.com>
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@@ -26,7 +26,7 @@ func (s *DockerSuite) TestExecInteractiveStdinClose(c *testing.T) {
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b := bytes.NewBuffer(nil)
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ch := make(chan error)
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ch := make(chan error, 1)
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go func() { ch <- cmd.Wait() }()
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select {
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@@ -56,7 +56,7 @@ func (s *DockerSuite) TestExecTTY(c *testing.T) {
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_, err = p.Write([]byte("cat /foo && exit\n"))
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assert.NilError(c, err)
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chErr := make(chan error)
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chErr := make(chan error, 1)
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go func() {
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chErr <- cmd.Wait()
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}()
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