jschoubben
67971c509d
Builds: design 47 G A-126 Claude-Session: https://claude.ai/code/session_01NcbgfGKaxw984XyAPfLm4h
61 lines
2.6 KiB
Go
61 lines
2.6 KiB
Go
package operatorask
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import (
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"encoding/json"
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"strings"
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"testing"
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stdio "git.novox.be/novox/mesh-sdk/go"
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)
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type warrant struct {
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Ask string `json:"ask"`
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Choice string `json:"choice"`
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}
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// Design 47 G A-101: one asker finds the seat's holder, publishes, reads the warrant and hears decided.
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func TestTheAskerFindsTheHolderPublishesReadsTheWarrantAndHearsDecided(t *testing.T) {
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var asked []string
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call := func(key string, body any) (json.RawMessage, error) {
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asked = append(asked, key)
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return json.RawMessage(`{"seats":[{"seat":"other","holders":[{"module":"x"}]},{"seat":"router-seat","holders":[{"module":"holder"}]}]}`), nil
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}
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var bucket, id, subject string
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var published any
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var heard func(stdio.Envelope) error
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a := &Asker[warrant]{
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Module: "me", Contract: Contract{Seat: "router-seat", StateAsks: "asks"},
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Call: call,
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Record: func(b, i string) (*stdio.StateEntry, error) {
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bucket, id = b, i
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return &stdio.StateEntry{Value: json.RawMessage(`{"state":"chosen","warrant":{"ask":"a1","choice":"go"}}`)}, nil
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},
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Publish: func(s string, body any, _ string) error { subject, published = s, body; return nil },
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Subscribe: func(_ string, h func(stdio.Envelope) error) error { heard = h; return nil },
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AskSubject: func(m string) string { return "ask." + m },
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DecidedSubject: func(m string) string { return "decided." + m },
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}
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if err := a.Ask("a1", "q"); err != nil || subject != "ask.me" || published != "q" {
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t.Errorf("Ask published %v on %q: %v", published, subject, err)
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}
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state, w, err := a.Where("a1")
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if err != nil || state != "chosen" || w == nil || w.Choice != "go" || bucket != "holder_asks" || id != "a1" || len(asked) != 1 || asked[0] != "seat:mesh-module-assigner.assignments" {
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t.Errorf("Where = %q %+v %v, read %q %q after %v", state, w, err, bucket, id, asked)
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}
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var got []warrant
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if err := a.Hear(func(w warrant) error { got = append(got, w); return nil }); err != nil {
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t.Fatal(err)
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}
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if err := heard(stdio.Envelope{Key: "decided.me", Body: []byte(`{"ask":"a1","choice":"go"}`)}); err != nil || len(got) != 1 || got[0].Ask != "a1" {
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t.Errorf("heard %v: %v", got, err)
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}
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if err := heard(stdio.Envelope{Key: "decided.me", Body: []byte(`nope`)}); err == nil {
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t.Errorf("a body that is no warrant was taken")
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}
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// No holder: nothing is read and the reason is said.
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a.Call = func(string, any) (json.RawMessage, error) { return json.RawMessage(`{"seats":[]}`), nil }
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if _, _, err := a.Where("a1"); err == nil || !strings.Contains(err.Error(), "no module holds the seat router-seat") {
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t.Errorf("with no holder Where answered %v", err)
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}
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}
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