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#!/usr/bin/env python3
# Copyright 2017 The Chromium Authors. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""Unittests for writers.chromeos_admx_writer."""

import os
import sys
import unittest
if __name__ == '__main__':
  sys.path.append(os.path.join(os.path.dirname(__file__), '../../../..'))

from writers import chromeos_admx_writer
from writers import admx_writer_unittest
from writers.admx_writer import AdmxElementType


class ChromeOsAdmxWriterUnittest(admx_writer_unittest.AdmxWriterUnittest):

  # Overridden.
  def _GetWriter(self, config):
    return chromeos_admx_writer.GetWriter(config)

  # Overridden.
  def _GetKey(self):
    return "CrOSTest"

  # Overridden.
  def _GetCategory(self):
    return "cros_test_category"

  # Overridden.
  def _GetCategoryRec(self):
    return "cros_test_recommended_category"

  # Overridden.
  def _GetNamespace(self):
    return "ADMXWriter.Test.Namespace.ChromeOS"

  # Overridden.
  def testPlatform(self):
    # Test that the writer correctly chooses policies of platform Chrome OS.
    self.assertTrue(
        self.writer.IsPolicySupported({
            'supported_on': [{
                'platform': 'chrome_os'
            }, {
                'platform': 'aaa'
            }]
        }))
    self.assertFalse(
        self.writer.IsPolicySupported({
            'supported_on': [{
                'platform': 'win'
            }, {
                'platform': 'aaa'
            }]
        }))

  def testUserPolicy(self):
    self.doTestUserOrDevicePolicy(False)

  def testDevicePolicy(self):
    self.doTestUserOrDevicePolicy(True)

  def doTestUserOrDevicePolicy(self, is_device_only):
    # Tests whether CLASS attribute is 'User' for user policies and 'Machine'
    # for device policies.
    main_policy = {
        'name': 'DummyMainPolicy',
        'type': 'main',
        'device_only': is_device_only,
    }

    expected_class = 'Machine' if is_device_only else 'User'

    self._initWriterForPolicy(self.writer, main_policy)
    self.writer.WritePolicy(main_policy)

    output = self.GetXMLOfChildren(self._GetPoliciesElement(self.writer._doc))
    expected_output = ('<policy class="' + expected_class + '"'
                       ' displayName="$(string.DummyMainPolicy)"'
                       ' explainText="$(string.DummyMainPolicy_Explain)"'
                       ' key="Software\\Policies\\' + self._GetKey() + '"'
                       ' name="DummyMainPolicy"'
                       ' presentation="$(presentation.DummyMainPolicy)"'
                       ' valueName="DummyMainPolicy">\n'
                       '  <parentCategory ref="PolicyGroup"/>\n'
                       '  <supportedOn ref="SUPPORTED_TESTOS"/>\n'
                       '  <enabledValue>\n'
                       '    <decimal value="1"/>\n'
                       '  </enabledValue>\n'
                       '  <disabledValue>\n'
                       '    <decimal value="0"/>\n'
                       '  </disabledValue>\n'
                       '</policy>')

    self.AssertXMLEquals(output, expected_output)

  def testOnlySupportsAdPolicies(self):
    # Tests whether only Active Directory managed policies are supported (Google
    # cloud only managed polices are not put in the ADMX file).
    policy = {
        'name':
        'PolicyName',
        'supported_on': [{
            'product': 'chrome_os',
            'platform': 'chrome_os',
            'since_version': '8',
            'until_version': '',
        }],
    }
    self.assertTrue(self.writer.IsPolicySupported(policy))

    policy['supported_chrome_os_management'] = ['google_cloud']
    self.assertFalse(self.writer.IsPolicySupported(policy))

    policy['supported_chrome_os_management'] = ['active_directory']
    self.assertTrue(self.writer.IsPolicySupported(policy))

  #Overridden
  def testDictionaryPolicy(self, is_external=False):
    dict_policy = {
        'name': 'SampleDictionaryPolicy',
        'type': 'external' if is_external else 'dict',
    }
    self._initWriterForPolicy(self.writer, dict_policy)

    self.writer.WritePolicy(dict_policy)
    output = self.GetXMLOfChildren(self._GetPoliciesElement(self.writer._doc))
    expected_output = (
        '<policy class="' + self.writer.GetClass(dict_policy) + '"'
        ' displayName="$(string.SampleDictionaryPolicy)"'
        ' explainText="$(string.SampleDictionaryPolicy_Explain)"'
        ' key="Software\\Policies\\' + self._GetKey() + '"'
        ' name="SampleDictionaryPolicy"'
        ' presentation="$(presentation.SampleDictionaryPolicy)">\n'
        '  <parentCategory ref="PolicyGroup"/>\n'
        '  <supportedOn ref="SUPPORTED_TESTOS"/>\n'
        '  <elements>\n'
        '    <text id="SampleDictionaryPolicy_Legacy" maxLength="1000000"'
        ' valueName="SampleDictionaryPolicy"/>\n'
        '    <multiText id="SampleDictionaryPolicy" maxLength="1000000"'
        ' valueName="SampleDictionaryPolicy"/>\n'
        '  </elements>\n'
        '</policy>')
    self.AssertXMLEquals(output, expected_output)


if __name__ == '__main__':
  unittest.main()