Files
mesh-tools/node-tools/internal/launch/seat_test.go
T

72 lines
2.2 KiB
Go

package launch
import (
"encoding/json"
"os"
"path/filepath"
"sync"
"testing"
"time"
)
// A bundle that asks to take a worker's work and answers each piece it is handed.
const takingBundle = `#!/bin/sh
while IFS= read -r line; do
id=$(printf '%s' "$line" | sed -n 's/.*"id":\([0-9]*\)[,}].*/\1/p')
case "$line" in
*'"method":"initialize"'*) printf '{"jsonrpc":"2.0","id":%s,"result":{}}\n' "$id" ;;
*'"method":"tools/list"'*)
printf '{"jsonrpc":"2.0","id":%s,"result":{"tools":[]}}\n' "$id"
printf '{"jsonrpc":"2.0","id":"s1","method":"mesh/seat.take","params":{"worker":"SEAT_CHANNEL_TELEGRAM_worker"}}\n' ;;
*'"method":"mesh/work"'*) printf '{"jsonrpc":"2.0","id":%s,"result":{"taken":true}}\n' "$id" ;;
esac
done
`
type seating struct {
subscribing
mu sync.Mutex
verb string
params string
handOn func(string, any) (json.RawMessage, error)
}
func (b *seating) Seat(verb string, params json.RawMessage, handOn func(string, any) (json.RawMessage, error)) (json.RawMessage, error) {
b.mu.Lock()
defer b.mu.Unlock()
b.verb, b.params, b.handOn = verb, string(params), handOn
return json.RawMessage(`{}`), nil
}
// novox/hq ADR 0259 §3: a bundle's seat traffic reaches the runtime's bus from its own channel, and the work
// it takes is handed back to it.
func TestABundleTakesASeatsWorkThroughItsOwnChannel(t *testing.T) {
entry := filepath.Join(t.TempDir(), "bundle")
if err := os.WriteFile(entry, []byte(takingBundle), 0o755); err != nil {
t.Fatal(err)
}
b := &seating{}
l, err := Start("telegram", entry, os.Environ(), b, t.Logf)
if err != nil {
t.Fatal(err)
}
t.Cleanup(l.Stop)
var handOn func(string, any) (json.RawMessage, error)
for i := 0; handOn == nil; i++ {
if i > 100 {
t.Fatal("the bundle never asked to take its work")
}
time.Sleep(20 * time.Millisecond)
b.mu.Lock()
handOn = b.handOn
b.mu.Unlock()
}
if b.verb != "take" || b.params != `{"worker":"SEAT_CHANNEL_TELEGRAM_worker"}` {
t.Fatalf("asked %s %s", b.verb, b.params)
}
got, err := handOn("mesh/work", map[string]any{"work": map[string]any{"subject": "mesh.seat.channel.accept.show.telegram"}})
if err != nil || string(got) != `{"taken":true}` {
t.Fatalf("the work was not handed to the bundle: %s %v", got, err)
}
}