package runner

import (
	"encoding/hex"
	"testing"
)

func TestNewRunner_InitializesFields(t *testing.T) {
	r := New("http://localhost:8080", "runner-a", "host-a", false)
	if r == nil {
		t.Fatal("New should return a runner")
	}
	if r.name != "runner-a" || r.hostname != "host-a" {
		t.Fatalf("unexpected runner identity: %q %q", r.name, r.hostname)
	}
}

func TestRunner_GPUFlagsSetters(t *testing.T) {
	r := New("http://localhost:8080", "runner-a", "host-a", false)
	r.SetGPULockedOut(true)
	if !r.IsGPULockedOut() {
		t.Fatal("expected GPU lockout to be true")
	}
}

func TestGenerateFingerprint_PopulatesValue(t *testing.T) {
	r := New("http://localhost:8080", "runner-a", "host-a", false)
	r.generateFingerprint()
	fp := r.GetFingerprint()
	if fp == "" {
		t.Fatal("fingerprint should not be empty")
	}
	if len(fp) != 64 {
		t.Fatalf("fingerprint should be sha256 hex, got %q", fp)
	}
	if _, err := hex.DecodeString(fp); err != nil {
		t.Fatalf("fingerprint should be valid hex: %v", err)
	}
}