#!/usr/bin/env python
# Copyright 2013 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.

import unittest

from features_utility import Parse, Filtered, MergedWith

class FeaturesUtilityTest(unittest.TestCase):
  def testFromJson(self):
    raw_features_json = {
      'doc1': {
        'extension_types': ['extension', 'platform_app']
      },
      'doc2': {
        'extension_types': ['hosted_app', 'packaged_app']
      },
      'doc3': {
        'whitelist': 'hashhashashhashashhashashhash'
      },
      'doc4': [
        { 'extension_types': 'all' },
        { 'whitelist': 'hashhashashhashashhashashhash' }
      ],
      'doc5': {
        'extension_types': ['extension']
      },
      'doc1.sub1': {
        'extension_types': ['platform_app', 'hosted_app', 'packaged_app']
      }
    }

    expected = {
      'doc1': {
        'platforms': ['app', 'extension'],
        'name': 'doc1'
      },
      'doc2': {
        'platforms': [],
        'name': 'doc2'
      },
      'doc4': {
        'platforms': ['app', 'extension'],
        'name': 'doc4'
      },
      'doc5': {
        'platforms': ['extension'],
        'name': 'doc5'
      },
      'doc1.sub1': {
        'platforms': ['app'],
        'name': 'doc1.sub1'
      }
    }

    self.assertEqual(expected, Parse(raw_features_json))

  def testFilter(self):
    unfiltered = {
      'doc1': { 'platforms': ['app'] },
      'doc2': { 'platforms': ['extension'] },
      'doc3': { 'platforms': ['app', 'extension'] },
      'doc4': { 'platforms': [] }
    }

    apps_names = set(('doc1', 'doc3'))
    extension_names = set(('doc2', 'doc3'))

    self.assertEqual(
        apps_names, set(Filtered(unfiltered, 'app').keys()))
    self.assertEqual(
        extension_names, set(Filtered(unfiltered, 'extension').keys()))

  def testMergeFeatures(self):
    features = {
      'doc1': {
        'platforms': ['app']
      },
      'doc3': {
        'name': 'doc3'
      }
    }

    other = {
      'doc1': {
        'name': 'doc1',
        'platforms': ['extension']
      },
      'doc2': {
        'name': 'doc2'
      },
      'doc3': {
        'platforms': ['extension', 'app']
      }
    }

    expected = {
      'doc1': {
        'name': 'doc1',
        'platforms': ['extension']
      },
      'doc2': {
        'name': 'doc2',
        'platforms': []
      },
      'doc3': {
        'name': 'doc3',
        'platforms': ['extension', 'app']
      }
    }

    self.assertEqual(expected, MergedWith(features, other))

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