import pytest

from config import build_requests_session
from util.config import URLSchemeAndHostname
from util.config.validator import ValidatorContext
from util.config.validators.validate_secscan import SecurityScannerValidator
from util.secscan.fake import fake_security_scanner

from test.fixtures import *

@pytest.mark.parametrize('unvalidated_config', [
  ({'DISTRIBUTED_STORAGE_PREFERENCE': []}),
])
def test_validate_noop(unvalidated_config, app):
  unvalidated_config = ValidatorContext(unvalidated_config, feature_sec_scanner=False, is_testing=True)
  unvalidated_config.http_client = build_requests_session()
  unvalidated_config.url_scheme_and_hostname = URLSchemeAndHostname('http', 'localhost:5000')

  SecurityScannerValidator.validate(unvalidated_config)


@pytest.mark.parametrize('unvalidated_config, expected_error', [
  ({
    'TESTING': True,
    'DISTRIBUTED_STORAGE_PREFERENCE': [],
    'FEATURE_SECURITY_SCANNER': True,
    'SECURITY_SCANNER_ENDPOINT': 'http://invalidhost',
  }, Exception),

  ({
    'TESTING': True,
    'DISTRIBUTED_STORAGE_PREFERENCE': [],
    'FEATURE_SECURITY_SCANNER': True,
    'SECURITY_SCANNER_ENDPOINT': 'http://fakesecurityscanner',
  }, None),
])
def test_validate(unvalidated_config, expected_error, app):
  unvalidated_config = ValidatorContext(unvalidated_config, feature_sec_scanner=True, is_testing=True)
  unvalidated_config.http_client = build_requests_session()
  unvalidated_config.url_scheme_and_hostname = URLSchemeAndHostname('http', 'localhost:5000')

  with fake_security_scanner(hostname='fakesecurityscanner'):
    if expected_error is not None:
      with pytest.raises(expected_error):
        SecurityScannerValidator.validate(unvalidated_config)
    else:
      SecurityScannerValidator.validate(unvalidated_config)