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
130
131
132
133
134
135
136
137
138
139
140
141
|
#!/usr/bin/env python
# -*- coding: utf-8 -*-
import os
import sys
import traceback
from nose.plugins.errorclass import ErrorClass, ErrorClassPlugin
from nose.tools import assert_almost_equal
import mapnik
PYTHON3 = sys.version_info[0] == 3
READ_FLAGS = 'rb' if PYTHON3 else 'r'
if PYTHON3:
xrange = range
HERE = os.path.dirname(__file__)
def execution_path(filename):
return os.path.join(os.path.dirname(
sys._getframe(1).f_code.co_filename), filename)
class Todo(Exception):
pass
class TodoPlugin(ErrorClassPlugin):
name = "todo"
todo = ErrorClass(Todo, label='TODO', isfailure=False)
def contains_word(word, bytestring_):
"""
Checks that a bytestring contains a given word. len(bytestring) should be
a multiple of len(word).
>>> contains_word("abcd", "abcd"*5)
True
>>> contains_word("ab", "ba"*5)
False
>>> contains_word("ab", "ab"*5+"a")
Traceback (most recent call last):
...
AssertionError: len(bytestring_) not multiple of len(word)
"""
n = len(word)
assert len(bytestring_) % n == 0, "len(bytestring_) not multiple of len(word)"
chunks = [bytestring_[i:i + n] for i in xrange(0, len(bytestring_), n)]
return word in chunks
def pixel2channels(pixel):
alpha = (pixel >> 24) & 0xff
red = pixel & 0xff
green = (pixel >> 8) & 0xff
blue = (pixel >> 16) & 0xff
return red, green, blue, alpha
def pixel2rgba(pixel):
return 'rgba(%s,%s,%s,%s)' % pixel2channels(pixel)
def get_unique_colors(im):
pixels = []
for x in range(im.width()):
for y in range(im.height()):
pixel = im.get_pixel(x, y)
if pixel not in pixels:
pixels.append(pixel)
pixels = sorted(pixels)
return list(map(pixel2rgba, pixels))
def run_all(iterable):
failed = 0
for test in iterable:
try:
test()
sys.stderr.write("\x1b[32m✓ \x1b[m" + test.__name__ + "\x1b[m\n")
except:
exc_type, exc_value, exc_tb = sys.exc_info()
failed += 1
sys.stderr.write("\x1b[31m✘ \x1b[m" + test.__name__ + "\x1b[m\n")
for mline in traceback.format_exception_only(exc_type, exc_value):
for line in mline.rstrip().split("\n"):
sys.stderr.write(" \x1b[31m" + line + "\x1b[m\n")
sys.stderr.write(" Traceback:\n")
for mline in traceback.format_tb(exc_tb):
for line in mline.rstrip().split("\n"):
if not 'utilities.py' in line and not 'trivial.py' in line and not line.strip() == 'test()':
sys.stderr.write(" " + line + "\n")
sys.stderr.flush()
return failed
def side_by_side_image(left_im, right_im):
width = left_im.width() + 1 + right_im.width()
height = max(left_im.height(), right_im.height())
im = mapnik.Image(width, height)
im.composite(left_im, mapnik.CompositeOp.src_over, 1.0, 0, 0)
if width > 80:
im.composite(
mapnik.Image.open(
HERE +
'/images/expected.png'),
mapnik.CompositeOp.difference,
1.0,
0,
0)
im.composite(
right_im,
mapnik.CompositeOp.src_over,
1.0,
left_im.width() + 1,
0)
if width > 80:
im.composite(
mapnik.Image.open(
HERE +
'/images/actual.png'),
mapnik.CompositeOp.difference,
1.0,
left_im.width() +
1,
0)
return im
def assert_box2d_almost_equal(a, b, msg=None):
msg = msg or ("%r != %r" % (a, b))
assert_almost_equal(a.minx, b.minx, msg=msg)
assert_almost_equal(a.maxx, b.maxx, msg=msg)
assert_almost_equal(a.miny, b.miny, msg=msg)
assert_almost_equal(a.maxy, b.maxy, msg=msg)
|
