#!/usr/bin/env python3
#
# Copyright 2018, The Android Open Source Project
#
# 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.

"""Unittests for test_mapping"""


import unittest
from unittest import mock

from atest import test_mapping
from atest import unittest_constants as uc


class TestMappingUnittests(unittest.TestCase):
  """Unit tests for test_mapping.py"""

  def test_parsing(self):
    """Test creating TestDetail object"""
    detail = test_mapping.TestDetail(uc.TEST_MAPPING_TEST)
    self.assertEqual(uc.TEST_MAPPING_TEST['name'], detail.name)
    self.assertTrue(detail.host)
    self.assertEqual([], detail.options)

  def test_parsing_with_option(self):
    """Test creating TestDetail object with option configured"""
    detail = test_mapping.TestDetail(uc.TEST_MAPPING_TEST_WITH_OPTION)
    self.assertEqual(uc.TEST_MAPPING_TEST_WITH_OPTION['name'], detail.name)
    self.assertEqual(uc.TEST_MAPPING_TEST_WITH_OPTION_STR, str(detail))

  def test_parsing_with_bad_option(self):
    """Test creating TestDetail object with bad option configured"""
    with self.assertRaises(Exception) as context:
      test_mapping.TestDetail(uc.TEST_MAPPING_TEST_WITH_BAD_OPTION)
    self.assertEqual(
        'Each option can only have one key.', str(context.exception)
    )

  def test_parsing_with_bad_host_value(self):
    """Test creating TestDetail object with bad host value configured"""
    with self.assertRaises(Exception) as context:
      test_mapping.TestDetail(uc.TEST_MAPPING_TEST_WITH_BAD_HOST_VALUE)
    self.assertEqual(
        'host can only have boolean value.', str(context.exception)
    )

  @mock.patch('atest.atest_utils.get_modified_files')
  def test_is_match_file_patterns(self, mock_modified_files):
    """Test mathod is_match_file_patterns."""
    test_mapping_file = ''
    test_detail = {
        'name': 'Test',
        'file_patterns': [
            '(/|^)test_fp1[^/]*\\.java',
            '(/|^)test_fp2[^/]*\\.java',
        ],
    }
    mock_modified_files.return_value = {
        '/a/b/test_fp122.java',
        '/a/b/c/d/test_fp222.java',
    }
    self.assertTrue(
        test_mapping.is_match_file_patterns(test_mapping_file, test_detail)
    )
    mock_modified_files.return_value = {}
    self.assertFalse(
        test_mapping.is_match_file_patterns(test_mapping_file, test_detail)
    )
    mock_modified_files.return_value = {'/a/b/test_fp3.java'}
    self.assertFalse(
        test_mapping.is_match_file_patterns(test_mapping_file, test_detail)
    )
    test_mapping_file = '/a/b/TEST_MAPPING'
    mock_modified_files.return_value = {
        '/a/b/test_fp3.java',
        '/a/b/TEST_MAPPING',
    }
    self.assertTrue(
        test_mapping.is_match_file_patterns(test_mapping_file, test_detail)
    )


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