# Copyright 2020 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')


def test_audit_config(plan_runner):
  "Test audit config."
  iam_audit_config = '{allServices={DATA_READ=[], DATA_WRITE=["user:me@example.org"]}}'
  _, resources = plan_runner(FIXTURES_DIR, iam_audit_config=iam_audit_config)
  assert len(resources) == 1
  log_types = set(r['log_type']
                  for r in resources[0]['values']['audit_log_config'])
  assert log_types == set(['DATA_READ', 'DATA_WRITE'])


def test_iam_additive_members(plan_runner):
  "Test IAM additive members."
  iam = (
      '{"user:one@example.org" = ["roles/owner"],'
      '"user:two@example.org" = ["roles/owner", "roles/editor"]}'
  )
  _, resources = plan_runner(FIXTURES_DIR, iam_additive_members=iam)
  roles = set((r['values']['role'], r['values']['member'])
              for r in resources if r['type'] == 'google_organization_iam_member')
  assert roles == set([
      ('roles/owner', 'user:one@example.org'),
      ('roles/owner', 'user:two@example.org'),
      ('roles/editor', 'user:two@example.org')
  ])


def test_policy_boolean(plan_runner):
  "Test boolean org policy."
  policy_boolean = '{policy-a = true, policy-b = false, policy-c = null}'
  _, resources = plan_runner(FIXTURES_DIR, policy_boolean=policy_boolean)
  assert len(resources) == 3
  constraints = set(r['values']['constraint'] for r in resources)
  assert set(constraints) == set(['policy-a', 'policy-b', 'policy-c'])
  policies = []
  for resource in resources:
    for policy in ('boolean_policy', 'restore_policy'):
      value = resource['values'][policy]
      if value:
        policies.append((policy,) + value[0].popitem())
  assert set(policies) == set([
      ('boolean_policy', 'enforced', True),
      ('boolean_policy', 'enforced', False),
      ('restore_policy', 'default', True)])


def test_policy_list(plan_runner):
  "Test list org policy."
  policy_list = (
      '{'
      'policy-a = {inherit_from_parent = true, suggested_value = null, status = true, values = []}, '
      'policy-b = {inherit_from_parent = null, suggested_value = "foo", status = false, values = ["bar"]}, '
      'policy-c = {inherit_from_parent = null, suggested_value = true, status = null, values = null}'
      '}'
  )
  _, resources = plan_runner(FIXTURES_DIR, policy_list=policy_list)
  # from pprint import pprint
  # pprint(resources)
  assert len(resources) == 3
  values = [r['values'] for r in resources]
  assert [r['constraint']
          for r in values] == ['policy-a', 'policy-b', 'policy-c']
  assert values[0]['list_policy'][0]['allow'] == [
      {'all': True, 'values': None}]
  assert values[1]['list_policy'][0]['deny'] == [
      {'all': False, 'values': ["bar"]}]
  assert values[2]['restore_policy'] == [{'default': True}]
