package main

import (
	"os"
	"regexp"
	"testing"
)

// TestEveryRegisteredClaimWorkerIsStarted: registerClaimWorkers
// (internal/console/claim_workers.go) names each background worker, but only
// serve's explicit RunClaimWorker list starts one. A worker registered and
// never started passes every console test and does nothing in production.
func TestEveryRegisteredClaimWorkerIsStarted(t *testing.T) {
	reg, err := os.ReadFile("../../internal/console/claim_workers.go")
	if err != nil {
		t.Fatal(err)
	}
	main, err := os.ReadFile("main.go")
	if err != nil {
		t.Fatal(err)
	}
	registered := regexp.MustCompile(`(?m)^\t\t"([A-Za-z]+)":\s+s\.`).FindAllSubmatch(reg, -1)
	if len(registered) < 10 {
		t.Fatalf("found only %d registered workers; the pattern no longer matches claim_workers.go", len(registered))
	}
	started := map[string]bool{}
	for _, m := range regexp.MustCompile(`RunClaimWorker\(context\.Background\(\), "([A-Za-z]+)"\)`).FindAllSubmatch(main, -1) {
		started[string(m[1])] = true
	}
	for _, m := range registered {
		if name := string(m[1]); !started[name] {
			t.Errorf("claim worker %s is registered but serve never starts it", name)
		}
	}
}