Function SubConnFromPicker

internal/testutils/balancer.go:391–396

SubConnFromPicker returns a function which returns a SubConn by calling the Pick() method of the provided picker. There is no caching of SubConns here. Every invocation of the returned function results in a new pick.

(p balancer.Picker)

// Pick() method of the provided picker. There is no caching of SubConns here.
// Every invocation of the returned function results in a new pick.
func SubConnFromPicker(p balancer.Picker) func() balancer.SubConn {
	return func() balancer.SubConn {
		scst, _ := p.Pick(balancer.PickInfo{})
		return scst.SubConn
	}
}

// ErrTestConstPicker is error returned by test const picker.
var ErrTestConstPicker = fmt.Errorf("const picker error")