1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
import os
import io
import tempfile
import cairo
import pytest
def test_context_manager():
f = io.BytesIO()
with cairo.ScriptDevice(f) as dev:
dev.acquire()
dev.release()
with pytest.raises(cairo.Error) as excinfo:
dev.acquire()
assert excinfo.value.status == cairo.Status.DEVICE_FINISHED
def test_cmp_hash():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
surface = cairo.ScriptSurface(dev, cairo.Content.COLOR_ALPHA, 42, 10)
other = surface.get_device()
assert dev == other
assert not dev != other
assert hash(dev) == hash(other)
assert dev != object()
def test_get_device():
surface = cairo.ImageSurface(cairo.Format.ARGB32, 10, 10)
assert surface.get_device() is None
def test_type():
assert cairo.Device
with pytest.raises(TypeError):
cairo.Device()
def test_has():
assert hasattr(cairo, "HAS_SCRIPT_SURFACE")
def test_script_device():
dev = cairo.ScriptDevice(io.BytesIO())
assert dev
assert issubclass(cairo.ScriptDevice, cairo.Device)
assert isinstance(dev, cairo.ScriptDevice)
with pytest.raises(TypeError):
cairo.ScriptDevice(None)
with pytest.raises(TypeError):
cairo.ScriptDevice()
with pytest.raises(TypeError):
cairo.ScriptDevice(io.StringIO())
with pytest.raises((ValueError, TypeError)):
cairo.ScriptDevice("\x00")
def test_script_device_mode():
assert hasattr(cairo, "ScriptMode")
assert cairo.ScriptMode.ASCII != cairo.ScriptMode.BINARY
dev = cairo.ScriptDevice(io.BytesIO())
mode = dev.get_mode()
assert isinstance(mode, cairo.ScriptMode)
assert mode == cairo.ScriptMode.ASCII
dev.set_mode(cairo.ScriptMode.BINARY)
assert dev.get_mode() == cairo.ScriptMode.BINARY
with pytest.raises(TypeError):
dev.set_mode(object())
def test_script_device_write_comment():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
dev.write_comment("pycairo foo")
dev.write_comment("pycairo bar")
dev.flush()
assert b"pycairo foo" in f.getvalue()
assert b"pycairo bar" in f.getvalue()
with pytest.raises(TypeError):
dev.write_comment(object())
def test_from_recording_surface():
s = cairo.RecordingSurface(cairo.CONTENT_COLOR, None)
ctx = cairo.Context(s)
ctx.paint()
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
dev.from_recording_surface(s)
dev.flush()
assert b"paint" in f.getvalue()
# already finished
dev.finish()
with pytest.raises(cairo.Error):
dev.from_recording_surface(s)
# only recording surfaces allowed
image = cairo.ImageSurface(cairo.FORMAT_ARGB32, 10, 10)
with pytest.raises(TypeError):
dev.from_recording_surface(image)
# No None allowed
with pytest.raises(TypeError):
dev.from_recording_surface(None)
def test_device_acquire():
f = io.BytesIO()
dev = cairo.ScriptDevice(f)
dev.acquire()
dev.release()
def test_script_device_to_path():
fd, fname = tempfile.mkstemp()
os.close(fd)
try:
cairo.ScriptDevice(fname).finish()
finally:
os.unlink(fname)
|
