package main

import (
	"os"
	"strings"
	"testing"
)

func TestDockerConfigUsesKafkaBrokersFromEnvironment(t *testing.T) {
	content, err := os.ReadFile("../docker/tinode/config.template")
	if err != nil {
		t.Fatalf("read Docker config template: %v", err)
	}

	template := string(content)
	if !strings.Contains(template, `"brokers": $KAFKA_BROKERS_JSON`) {
		t.Fatal("Docker config template must render Kafka brokers from KAFKA_BROKERS_JSON")
	}
	if strings.Contains(template, "kafka.118im.com:30835") {
		t.Fatal("Docker config template must not hard-code the public Kafka NodePort")
	}
}