38 lines
1.3 KiB
Go
38 lines
1.3 KiB
Go
package process
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import (
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"reflect"
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"testing"
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"github.com/nats-io/nats.go"
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)
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// 1171/AC3: it offers no Serve and no way to serve a tool — a process reaches the bus only as itself, and
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// never answers a call. Checked by reflection over *Conn's whole method set and field list, so a later
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// addition cannot bring one back without this test naming it.
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func TestConnOffersNoServeAndExposesNoRawConnection(t *testing.T) {
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ptrType := reflect.TypeOf(&Conn{})
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for _, forbidden := range []string{"Serve", "ServeOn", "Handle", "Subscribe", "Respond", "Answer"} {
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if _, ok := ptrType.MethodByName(forbidden); ok {
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t.Errorf("*Conn has a method %s: a process offers no way to serve a tool", forbidden)
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}
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}
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natsConnType := reflect.TypeOf(&nats.Conn{})
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structType := reflect.TypeOf(Conn{})
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for i := 0; i < structType.NumField(); i++ {
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f := structType.Field(i)
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if f.IsExported() && (f.Type == natsConnType || f.Type == natsConnType.Elem()) {
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t.Errorf("Conn exposes its raw connection through the exported field %s", f.Name)
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}
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}
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for i := 0; i < ptrType.NumMethod(); i++ {
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m := ptrType.Method(i)
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for o := 0; o < m.Type.NumOut(); o++ {
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if m.Type.Out(o) == natsConnType || m.Type.Out(o) == natsConnType.Elem() {
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t.Errorf("*Conn.%s returns the raw *nats.Conn", m.Name)
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}
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}
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}
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}
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