text: import datetime
  
  from anchore_engine.db.entities.policy_engine import (
      Image,
      ImageCpe,
      ImagePackage,
      ImagePackageVulnerability,
  )
  from anchore_engine.services.policy_engine.engine.vulns.scanners import (
      LegacyScanner,
      NonOSCpeMatcher,
  )
  
  import pytest
  
  
  @pytest.fixture
  def alpine_image():
      img = Image()
      img.distro_name = "alpine"
      img.distro_version = "3.10"
      img.id = "abc123abc123"
      img.analysis_artifacts = []
      img.digest = "sha256:abc123abc123"
      img.created_at = datetime.datetime.utcnow()
      img.last_modified = img.created_at
      img.cpes = []
      img.docker_data_json = {}
      img.dockerfile_contents = ""
      img.dockerfile_mode = "guessed"
      img.docker_history_json = []
      img.packages = []
      img.gems = []
      img.npms = []
      img.state = "analyzed"
      img.size = "1000"
      img.user_id = "admin"
      return img
  
  
  @pytest.fixture
  def alpine_with_vulns(alpine_image):
      alpine_image.vulnerabilities = lambda: []
      alpine_image.cpe_vulnerabilities = lambda x, y: []
      return alpine_image
  
  
  def test_scanner_basic(alpine_with_vulns):
      scanner = LegacyScanner()
      vulns = scanner.get_vulnerabilities(alpine_with_vulns)
      assert vulns == []
  