text: # Copyright 2021 Google LLC
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #      http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  
  import os
  import pytest
  
  
  FIXTURES_DIR = os.path.join(os.path.dirname(__file__), 'fixture')
  _VAR_SUBNETS = (
      '[ '
      '{name = "a", region = "europe-west1", ip_cidr_range = "10.0.0.0/24",'
      '   secondary_ip_range=null},'
      '{name = "b", region = "europe-west1", ip_cidr_range = "10.0.1.0/24",'
      '   secondary_ip_range=null},'
      '{name = "c", region = "europe-west1", ip_cidr_range = "10.0.2.0/24",'
      '   secondary_ip_range={a="192.168.0.0/24", b="192.168.1.0/24"}},'
      ']'
  )
  
  
  def test_subnets_simple(plan_runner):
    "Test subnets variable."
    _, resources = plan_runner(FIXTURES_DIR, subnets=_VAR_SUBNETS)
    assert len(resources) == 4
    subnets = [r['values']
               for r in resources if r['type'] == 'google_compute_subnetwork']
    assert set(s['name'] for s in subnets) == set(
        ['a', 'b', 'c'])
    assert set(len(s['secondary_ip_range']) for s in subnets) == set([0, 0, 2])
  
  
  def test_subnet_log_configs(plan_runner):
    "Test subnets flow logs configuration and defaults."
    log_config = '{"europe-west1/a" = { flow_sampling = 0.1 }}'
    log_config_defaults = (
        '{aggregation_interval = "INTERVAL_10_MIN", flow_sampling = 0.5, '
        'metadata = "INCLUDE_ALL_METADATA"}'
    )
    subnet_flow_logs = '{"europe-west1/a"=true, "europe-west1/b"=true}'
    _, resources = plan_runner(FIXTURES_DIR, subnets=_VAR_SUBNETS,
                               log_configs=log_config,
                               log_config_defaults=log_config_defaults,
                               subnet_flow_logs=subnet_flow_logs)
    assert len(resources) == 4
    flow_logs = {}
    for r in resources:
      if r['type'] != 'google_compute_subnetwork':
        continue
      flow_logs[r['values']['name']] = [{key: config[key] for key in config.keys() 
                                 & {'aggregation_interval', 'flow_sampling', 'metadata'}} 
                                 for config in r['values']['log_config']]
    assert flow_logs == {
        # enable, override one default option
        'a': [{
            'aggregation_interval': 'INTERVAL_10_MIN',
            'flow_sampling': 0.1,
            'metadata': 'INCLUDE_ALL_METADATA'
        }],
        # enable, use defaults
        'b': [{
            'aggregation_interval': 'INTERVAL_10_MIN',
            'flow_sampling': 0.5,
            'metadata': 'INCLUDE_ALL_METADATA'
        }],
        # don't enable
        'c': []
    }
  