git.notmuchmail.org Git - notmuch/blob - bindings/python-cffi/tests/test_base.py

   1 import pytest
   2
   3 from notmuch2 import _base as base
   4 from notmuch2 import _errors as errors
   5
   6
   7 class TestNotmuchObject:
   8
   9     def test_no_impl_methods(self):
  10         class Object(base.NotmuchObject):
  11             pass
  12         with pytest.raises(TypeError):
  13             Object()
  14
  15     def test_impl_methods(self):
  16
  17         class Object(base.NotmuchObject):
  18
  19             def __init__(self):
  20                 pass
  21
  22             @property
  23             def alive(self):
  24                 pass
  25
  26             def _destroy(self, parent=False):
  27                 pass
  28
  29         Object()
  30
  31     def test_del(self):
  32         destroyed = False
  33
  34         class Object(base.NotmuchObject):
  35
  36             def __init__(self):
  37                 pass
  38
  39             @property
  40             def alive(self):
  41                 pass
  42
  43             def _destroy(self, parent=False):
  44                 nonlocal destroyed
  45                 destroyed = True
  46
  47         o = Object()
  48         o.__del__()
  49         assert destroyed
  50
  51
  52 class TestMemoryPointer:
  53
  54     @pytest.fixture
  55     def obj(self):
  56         class Cls:
  57             ptr = base.MemoryPointer()
  58         return Cls()
  59
  60     def test_unset(self, obj):
  61         with pytest.raises(errors.ObjectDestroyedError):
  62             obj.ptr
  63
  64     def test_set(self, obj):
  65         obj.ptr = 'some'
  66         assert obj.ptr == 'some'
  67
  68     def test_cleared(self, obj):
  69         obj.ptr = 'some'
  70         obj.ptr
  71         obj.ptr = None
  72         with pytest.raises(errors.ObjectDestroyedError):
  73             obj.ptr
  74
  75     def test_two_instances(self, obj):
  76         obj2 = obj.__class__()
  77         obj.ptr = 'foo'
  78         obj2.ptr = 'bar'
  79         assert obj.ptr != obj2.ptr
  80
  81
  82 class TestBinString:
  83
  84     def test_type(self):
  85         s = base.BinString(b'foo')
  86         assert isinstance(s, str)
  87
  88     def test_init_bytes(self):
  89         s = base.BinString(b'foo')
  90         assert s == 'foo'
  91
  92     def test_init_str(self):
  93         s = base.BinString('foo')
  94         assert s == 'foo'
  95
  96     def test_bytes(self):
  97         s = base.BinString(b'foo')
  98         assert bytes(s) == b'foo'
  99
 100     def test_invalid_utf8(self):
 101         s = base.BinString(b'\x80foo')
 102         assert s == 'foo'
 103         assert bytes(s) == b'\x80foo'
 104
 105     def test_errors(self):
 106         s = base.BinString(b'\x80foo', errors='replace')
 107         assert s == '�foo'
 108         assert bytes(s) == b'\x80foo'
 109
 110     def test_encoding(self):
 111         # pound sign: '£' == '\u00a3' latin-1: b'\xa3', utf-8: b'\xc2\xa3'
 112         with pytest.raises(UnicodeDecodeError):
 113             base.BinString(b'\xa3', errors='strict')
 114         s = base.BinString(b'\xa3', encoding='latin-1', errors='strict')
 115         assert s == '£'
 116         assert bytes(s) == b'\xa3'