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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
|
# Copyright 2012 the V8 project authors. All rights reserved.
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following
# disclaimer in the documentation and/or other materials provided
# with the distribution.
# * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# for py2/py3 compatibility
from __future__ import print_function
from __future__ import absolute_import
import os
import re
from .variants import ALL_VARIANTS
from .utils import Freeze
# Possible outcomes
FAIL = "FAIL"
PASS = "PASS"
TIMEOUT = "TIMEOUT"
CRASH = "CRASH"
# Outcomes only for status file, need special handling
FAIL_OK = "FAIL_OK"
FAIL_SLOPPY = "FAIL_SLOPPY"
# Modifiers
SKIP = "SKIP"
SLOW = "SLOW"
NO_VARIANTS = "NO_VARIANTS"
FAIL_PHASE_ONLY = "FAIL_PHASE_ONLY"
ALWAYS = "ALWAYS"
KEYWORDS = {}
for key in [SKIP, FAIL, PASS, CRASH, SLOW, FAIL_OK, NO_VARIANTS, FAIL_SLOPPY,
ALWAYS, FAIL_PHASE_ONLY]:
KEYWORDS[key] = key
# Support arches, modes to be written as keywords instead of strings.
VARIABLES = {ALWAYS: True}
for var in ["debug", "release", "big", "little", "android",
"arm", "arm64", "ia32", "mips", "mipsel", "mips64", "mips64el",
"x64", "ppc", "ppc64", "s390", "s390x", "macos", "windows",
"linux", "aix", "r1", "r2", "r3", "r5", "r6", "riscv64"]:
VARIABLES[var] = var
# Allow using variants as keywords.
for var in ALL_VARIANTS:
VARIABLES[var] = var
class StatusFile(object):
def __init__(self, path, variables):
"""
_rules: {variant: {test name: [rule]}}
_prefix_rules: {variant: {test name prefix: [rule]}}
"""
self.variables = variables
with open(path) as f:
self._rules, self._prefix_rules = ReadStatusFile(f.read(), variables)
def get_outcomes(self, testname, variant=None):
"""Merges variant dependent and independent rules."""
outcomes = frozenset()
for key in set([variant or '', '']):
rules = self._rules.get(key, {})
prefix_rules = self._prefix_rules.get(key, {})
if testname in rules:
outcomes |= rules[testname]
for prefix in prefix_rules:
if testname.startswith(prefix):
outcomes |= prefix_rules[prefix]
return outcomes
def warn_unused_rules(self, tests, check_variant_rules=False):
"""Finds and prints unused rules in status file.
Rule X is unused when it doesn't apply to any tests, which can also mean
that all matching tests were skipped by another rule before evaluating X.
Args:
tests: list of pairs (testname, variant)
check_variant_rules: if set variant dependent rules are checked
"""
if check_variant_rules:
variants = list(ALL_VARIANTS)
else:
variants = ['']
used_rules = set()
for testname, variant in tests:
variant = variant or ''
if testname in self._rules.get(variant, {}):
used_rules.add((testname, variant))
if SKIP in self._rules[variant][testname]:
continue
for prefix in self._prefix_rules.get(variant, {}):
if testname.startswith(prefix):
used_rules.add((prefix, variant))
if SKIP in self._prefix_rules[variant][prefix]:
break
for variant in variants:
for rule, value in (
list(self._rules.get(variant, {}).iteritems()) +
list(self._prefix_rules.get(variant, {}).iteritems())):
if (rule, variant) not in used_rules:
if variant == '':
variant_desc = 'variant independent'
else:
variant_desc = 'variant: %s' % variant
print('Unused rule: %s -> %s (%s)' % (rule, value, variant_desc))
def _JoinsPassAndFail(outcomes1, outcomes2):
"""Indicates if we join PASS and FAIL from two different outcome sets and
the first doesn't already contain both.
"""
return (
PASS in outcomes1 and
not (FAIL in outcomes1 or FAIL_OK in outcomes1) and
(FAIL in outcomes2 or FAIL_OK in outcomes2)
)
VARIANT_EXPRESSION = object()
def _EvalExpression(exp, variables):
"""Evaluates expression and returns its result. In case of NameError caused by
undefined "variant" identifier returns VARIANT_EXPRESSION marker.
"""
try:
return eval(exp, variables)
except NameError as e:
identifier = re.match("name '(.*)' is not defined", e.message).group(1)
assert identifier == "variant", "Unknown identifier: %s" % identifier
return VARIANT_EXPRESSION
def _EvalVariantExpression(
condition, section, variables, variant, rules, prefix_rules):
variables_with_variant = dict(variables)
variables_with_variant["variant"] = variant
result = _EvalExpression(condition, variables_with_variant)
assert result != VARIANT_EXPRESSION
if result is True:
_ReadSection(
section,
variables_with_variant,
rules[variant],
prefix_rules[variant],
)
else:
assert result is False, "Make sure expressions evaluate to boolean values"
def _ParseOutcomeList(rule, outcomes, variables, target_dict):
"""Outcome list format: [condition, outcome, outcome, ...]"""
result = set([])
if type(outcomes) == str:
outcomes = [outcomes]
for item in outcomes:
if type(item) == str:
result.add(item)
elif type(item) == list:
condition = item[0]
exp = _EvalExpression(condition, variables)
assert exp != VARIANT_EXPRESSION, (
"Nested variant expressions are not supported")
if exp is False:
continue
# Ensure nobody uses an identifier by mistake, like "default",
# which would evaluate to true here otherwise.
assert exp is True, "Make sure expressions evaluate to boolean values"
for outcome in item[1:]:
assert type(outcome) == str
result.add(outcome)
else:
assert False
if len(result) == 0:
return
if rule in target_dict:
# A FAIL without PASS in one rule has always precedence over a single
# PASS (without FAIL) in another. Otherwise the default PASS expectation
# in a rule with a modifier (e.g. PASS, SLOW) would be joined to a FAIL
# from another rule (which intended to mark a test as FAIL and not as
# PASS and FAIL).
if _JoinsPassAndFail(target_dict[rule], result):
target_dict[rule] -= set([PASS])
if _JoinsPassAndFail(result, target_dict[rule]):
result -= set([PASS])
target_dict[rule] |= result
else:
target_dict[rule] = result
def ReadContent(content):
return eval(content, KEYWORDS)
def ReadStatusFile(content, variables):
"""Status file format
Status file := [section]
section = [CONDITION, section_rules]
section_rules := {path: outcomes}
outcomes := outcome | [outcome, ...]
outcome := SINGLE_OUTCOME | [CONDITION, SINGLE_OUTCOME, SINGLE_OUTCOME, ...]
"""
# Empty defaults for rules and prefix_rules. Variant-independent
# rules are mapped by "", others by the variant name.
rules = {variant: {} for variant in ALL_VARIANTS}
rules[""] = {}
prefix_rules = {variant: {} for variant in ALL_VARIANTS}
prefix_rules[""] = {}
variables.update(VARIABLES)
for conditional_section in ReadContent(content):
assert type(conditional_section) == list
assert len(conditional_section) == 2
condition, section = conditional_section
exp = _EvalExpression(condition, variables)
# The expression is variant-independent and evaluates to False.
if exp is False:
continue
# The expression is variant-independent and evaluates to True.
if exp is True:
_ReadSection(
section,
variables,
rules[''],
prefix_rules[''],
)
continue
# The expression is variant-dependent (contains "variant" keyword)
if exp == VARIANT_EXPRESSION:
# If the expression contains one or more "variant" keywords, we evaluate
# it for all possible variants and create rules for those that apply.
for variant in ALL_VARIANTS:
_EvalVariantExpression(
condition, section, variables, variant, rules, prefix_rules)
continue
assert False, "Make sure expressions evaluate to boolean values"
return Freeze(rules), Freeze(prefix_rules)
def _ReadSection(section, variables, rules, prefix_rules):
assert type(section) == dict
for rule, outcome_list in section.items():
assert type(rule) == str
if rule[-1] == '*':
_ParseOutcomeList(rule[:-1], outcome_list, variables, prefix_rules)
else:
_ParseOutcomeList(rule, outcome_list, variables, rules)
JS_TEST_PATHS = {
'debugger': [[]],
'inspector': [[]],
'intl': [[]],
'message': [[]],
'mjsunit': [[]],
'mozilla': [['data']],
'test262': [['data', 'test'], ['local-tests', 'test']],
'webkit': [[]],
}
FILE_EXTENSIONS = [".js", ".mjs"]
def PresubmitCheck(path):
with open(path) as f:
contents = ReadContent(f.read())
basename = os.path.basename(os.path.dirname(path))
root_prefix = basename + "/"
status = {"success": True}
def _assert(check, message): # Like "assert", but doesn't throw.
if not check:
print("%s: Error: %s" % (path, message))
status["success"] = False
try:
for section in contents:
_assert(type(section) == list, "Section must be a list")
_assert(len(section) == 2, "Section list must have exactly 2 entries")
section = section[1]
_assert(type(section) == dict,
"Second entry of section must be a dictionary")
for rule in section:
_assert(type(rule) == str, "Rule key must be a string")
_assert(not rule.startswith(root_prefix),
"Suite name prefix must not be used in rule keys")
_assert(not rule.endswith('.js'),
".js extension must not be used in rule keys.")
_assert('*' not in rule or (rule.count('*') == 1 and rule[-1] == '*'),
"Only the last character of a rule key can be a wildcard")
if basename in JS_TEST_PATHS and '*' not in rule:
def _any_exist(paths):
return any(os.path.exists(os.path.join(os.path.dirname(path),
*(paths + [rule + ext])))
for ext in FILE_EXTENSIONS)
_assert(any(_any_exist(paths)
for paths in JS_TEST_PATHS[basename]),
"missing file for %s test %s" % (basename, rule))
return status["success"]
except Exception as e:
print(e)
return False
|