Coverage for tests/test_000_frigid/test_600_sequences.py: 100%

1# vim: set filetype=python fileencoding=utf-8: 

2# -*- coding: utf-8 -*- 

3 

4#============================================================================# 

5# # 

6# Licensed under the Apache License, Version 2.0 (the "License"); # 

7# you may not use this file except in compliance with the License. # 

8# You may obtain a copy of the License at # 

9# # 

10# http://www.apache.org/licenses/LICENSE-2.0 # 

11# # 

12# Unless required by applicable law or agreed to in writing, software # 

13# distributed under the License is distributed on an "AS IS" BASIS, # 

14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # 

15# See the License for the specific language governing permissions and # 

16# limitations under the License. # 

17# # 

18#============================================================================# 

19 

20 

21''' Assert correct function of sequence utilities. ''' 

22 

23 

24from . import PACKAGE_NAME, cache_import_module 

25 

26 

27MODULE_QNAME = f"{PACKAGE_NAME}.sequences" 

28 

29 

30def test_100_one_basic_operation( ): 

31 ''' One function creates single-item tuples. ''' 

32 module = cache_import_module( MODULE_QNAME ) 

33 assert ( 42, ) == module.one( 42 ) 

34 assert ( None, ) == module.one( None ) 

35 assert ( 'test', ) == module.one( 'test' ) 

36 nested = module.one( module.one( 42 ) ) 

37 assert ( ( 42, ), ) == nested 

38 

39 

40def test_300_one_with_generator( ): 

41 ''' One function works in generator expressions. ''' 

42 module = cache_import_module( MODULE_QNAME ) 

43 result = tuple( module.one( x ) for x in range( 3 ) ) 

44 assert ( ( 0, ), ( 1, ), ( 2, ) ) == result 

45 

46 

47def test_301_one_with_comprehension( ): 

48 ''' One function works in list comprehensions. ''' 

49 module = cache_import_module( MODULE_QNAME ) 

50 result = [ module.one( x ) for x in range( 3 ) ] 

51 assert [ ( 0, ), ( 1, ), ( 2, ) ] == result 

52 

53 

54def test_302_one_with_map( ): 

55 ''' One function works with map. ''' 

56 module = cache_import_module( MODULE_QNAME ) 

57 result = tuple( map( module.one, range( 3 ) ) ) 

58 assert ( ( 0, ), ( 1, ), ( 2, ) ) == result 

59 

60 

61def test_900_docstring_sanity( ): 

62 ''' Function has valid docstring. ''' 

63 module = cache_import_module( MODULE_QNAME ) 

64 assert hasattr( module.one, '__doc__' ) 

65 assert isinstance( module.one.__doc__, str ) 

66 assert module.one.__doc__