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
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
|
# This file is part of cloud-init. See LICENSE file for license information.
from cloudinit.tests import helpers
from cloudinit.handlers import cloud_config
from cloudinit.handlers import (CONTENT_START, CONTENT_END)
from cloudinit import helpers as c_helpers
from cloudinit import util
import collections
import glob
import os
import random
import re
import string
SOURCE_PAT = "source*.*yaml"
EXPECTED_PAT = "expected%s.yaml"
TYPES = [dict, str, list, tuple, None, int]
def _old_mergedict(src, cand):
"""
Merge values from C{cand} into C{src}.
If C{src} has a key C{cand} will not override.
Nested dictionaries are merged recursively.
"""
if isinstance(src, dict) and isinstance(cand, dict):
for (k, v) in cand.items():
if k not in src:
src[k] = v
else:
src[k] = _old_mergedict(src[k], v)
return src
def _old_mergemanydict(*args):
out = {}
for a in args:
out = _old_mergedict(out, a)
return out
def _random_str(rand):
base = ''
for _i in range(rand.randint(1, 2 ** 8)):
base += rand.choice(string.ascii_letters + string.digits)
return base
class _NoMoreException(Exception):
pass
def _make_dict(current_depth, max_depth, rand):
if current_depth >= max_depth:
raise _NoMoreException()
if current_depth == 0:
t = dict
else:
t = rand.choice(TYPES)
base = None
if t in [None]:
return base
if t in [dict, list, tuple]:
if t in [dict]:
amount = rand.randint(0, 5)
keys = [_random_str(rand) for _i in range(0, amount)]
base = {}
for k in keys:
try:
base[k] = _make_dict(current_depth + 1, max_depth, rand)
except _NoMoreException:
pass
elif t in [list, tuple]:
base = []
amount = rand.randint(0, 5)
for _i in range(0, amount):
try:
base.append(_make_dict(current_depth + 1, max_depth, rand))
except _NoMoreException:
pass
if t in [tuple]:
base = tuple(base)
elif t in [int]:
base = rand.randint(0, 2 ** 8)
elif t in [str]:
base = _random_str(rand)
return base
def make_dict(max_depth, seed=None):
max_depth = max(1, max_depth)
rand = random.Random(seed)
return _make_dict(0, max_depth, rand)
class TestSimpleRun(helpers.ResourceUsingTestCase):
def _load_merge_files(self):
merge_root = helpers.resourceLocation('merge_sources')
tests = []
source_ids = collections.defaultdict(list)
expected_files = {}
for fn in glob.glob(os.path.join(merge_root, SOURCE_PAT)):
base_fn = os.path.basename(fn)
file_id = re.match(r"source(\d+)\-(\d+)[.]yaml", base_fn)
if not file_id:
raise IOError("File %s does not have a numeric identifier"
% (fn))
file_id = int(file_id.group(1))
source_ids[file_id].append(fn)
expected_fn = os.path.join(merge_root, EXPECTED_PAT % (file_id))
if not os.path.isfile(expected_fn):
raise IOError("No expected file found at %s" % (expected_fn))
expected_files[file_id] = expected_fn
for i in sorted(source_ids.keys()):
source_file_contents = []
for fn in sorted(source_ids[i]):
source_file_contents.append([fn, util.load_file(fn)])
expected = util.load_yaml(util.load_file(expected_files[i]))
entry = [source_file_contents, [expected, expected_files[i]]]
tests.append(entry)
return tests
def test_seed_runs(self):
test_dicts = []
for i in range(1, 10):
base_dicts = []
for j in range(1, 10):
base_dicts.append(make_dict(5, i * j))
test_dicts.append(base_dicts)
for test in test_dicts:
c = _old_mergemanydict(*test)
d = util.mergemanydict(test)
self.assertEqual(c, d)
def test_merge_cc_samples(self):
tests = self._load_merge_files()
paths = c_helpers.Paths({})
cc_handler = cloud_config.CloudConfigPartHandler(paths)
cc_handler.cloud_fn = None
for (payloads, (expected_merge, expected_fn)) in tests:
cc_handler.handle_part(None, CONTENT_START, None,
None, None, None)
merging_fns = []
for (fn, contents) in payloads:
cc_handler.handle_part(None, None, "%s.yaml" % (fn),
contents, None, {})
merging_fns.append(fn)
merged_buf = cc_handler.cloud_buf
cc_handler.handle_part(None, CONTENT_END, None,
None, None, None)
fail_msg = "Equality failure on checking %s with %s: %s != %s"
fail_msg = fail_msg % (expected_fn,
",".join(merging_fns), merged_buf,
expected_merge)
self.assertEqual(expected_merge, merged_buf, msg=fail_msg)
def test_compat_merges_dict(self):
a = {
'1': '2',
'b': 'c',
}
b = {
'b': 'e',
}
c = _old_mergedict(a, b)
d = util.mergemanydict([a, b])
self.assertEqual(c, d)
def test_compat_merges_dict2(self):
a = {
'Blah': 1,
'Blah2': 2,
'Blah3': 3,
}
b = {
'Blah': 1,
'Blah2': 2,
'Blah3': [1],
}
c = _old_mergedict(a, b)
d = util.mergemanydict([a, b])
self.assertEqual(c, d)
def test_compat_merges_list(self):
a = {'b': [1, 2, 3]}
b = {'b': [4, 5]}
c = {'b': [6, 7]}
e = _old_mergemanydict(a, b, c)
f = util.mergemanydict([a, b, c])
self.assertEqual(e, f)
def test_compat_merges_str(self):
a = {'b': "hi"}
b = {'b': "howdy"}
c = {'b': "hallo"}
e = _old_mergemanydict(a, b, c)
f = util.mergemanydict([a, b, c])
self.assertEqual(e, f)
def test_compat_merge_sub_dict(self):
a = {
'1': '2',
'b': {
'f': 'g',
'e': 'c',
'h': 'd',
'hh': {
'1': 2,
},
}
}
b = {
'b': {
'e': 'c',
'hh': {
'3': 4,
}
}
}
c = _old_mergedict(a, b)
d = util.mergemanydict([a, b])
self.assertEqual(c, d)
def test_compat_merge_sub_dict2(self):
a = {
'1': '2',
'b': {
'f': 'g',
}
}
b = {
'b': {
'e': 'c',
}
}
c = _old_mergedict(a, b)
d = util.mergemanydict([a, b])
self.assertEqual(c, d)
def test_compat_merge_sub_list(self):
a = {
'1': '2',
'b': {
'f': ['1'],
}
}
b = {
'b': {
'f': [],
}
}
c = _old_mergedict(a, b)
d = util.mergemanydict([a, b])
self.assertEqual(c, d)
# vi: ts=4 expandtab
|
