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
| """
Test discovery functions.
"""
import copy
import os
import sys
from lit.TestingConfig import TestingConfig
from lit import LitConfig, Test
def chooseConfigFileFromDir(dir, config_names):
for name in config_names:
p = os.path.join(dir, name)
if os.path.exists(p):
return p
return None
def dirContainsTestSuite(path, lit_config):
cfgpath = chooseConfigFileFromDir(path, lit_config.site_config_names)
if not cfgpath:
cfgpath = chooseConfigFileFromDir(path, lit_config.config_names)
return cfgpath
def getTestSuite(item, litConfig, cache):
"""getTestSuite(item, litConfig, cache) -> (suite, relative_path)
Find the test suite containing @arg item.
@retval (None, ...) - Indicates no test suite contains @arg item.
@retval (suite, relative_path) - The suite that @arg item is in, and its
relative path inside that suite.
"""
def search1(path):
# Check for a site config or a lit config.
cfgpath = dirContainsTestSuite(path, litConfig)
# If we didn't find a config file, keep looking.
if not cfgpath:
parent,base = os.path.split(path)
if parent == path:
return (None, ())
ts, relative = search(parent)
return (ts, relative + (base,))
# This is a private builtin parameter which can be used to perform
# translation of configuration paths. Specifically, this parameter
# can be set to a dictionary that the discovery process will consult
# when it finds a configuration it is about to load. If the given
# path is in the map, the value of that key is a path to the
# configuration to load instead.
config_map = litConfig.params.get('config_map')
if config_map:
cfgpath = os.path.realpath(cfgpath)
cfgpath = os.path.normcase(cfgpath)
target = config_map.get(cfgpath)
if target:
cfgpath = target
# We found a test suite, create a new config for it and load it.
if litConfig.debug:
litConfig.note('loading suite config %r' % cfgpath)
cfg = TestingConfig.fromdefaults(litConfig)
cfg.load_from_path(cfgpath, litConfig)
source_root = os.path.realpath(cfg.test_source_root or path)
exec_root = os.path.realpath(cfg.test_exec_root or path)
return Test.TestSuite(cfg.name, source_root, exec_root, cfg), ()
def search(path):
# Check for an already instantiated test suite.
real_path = os.path.realpath(path)
res = cache.get(real_path)
if res is None:
cache[real_path] = res = search1(path)
return res
# Canonicalize the path.
item = os.path.normpath(os.path.join(os.getcwd(), item))
# Skip files and virtual components.
components = []
while not os.path.isdir(item):
parent,base = os.path.split(item)
if parent == item:
return (None, ())
components.append(base)
item = parent
components.reverse()
ts, relative = search(item)
return ts, tuple(relative + tuple(components))
def getLocalConfig(ts, path_in_suite, litConfig, cache):
def search1(path_in_suite):
# Get the parent config.
if not path_in_suite:
parent = ts.config
else:
parent = search(path_in_suite[:-1])
# Check if there is a local configuration file.
source_path = ts.getSourcePath(path_in_suite)
cfgpath = chooseConfigFileFromDir(source_path, litConfig.local_config_names)
# If not, just reuse the parent config.
if not cfgpath:
return parent
# Otherwise, copy the current config and load the local configuration
# file into it.
config = copy.deepcopy(parent)
if litConfig.debug:
litConfig.note('loading local config %r' % cfgpath)
config.load_from_path(cfgpath, litConfig)
return config
def search(path_in_suite):
key = (ts, path_in_suite)
res = cache.get(key)
if res is None:
cache[key] = res = search1(path_in_suite)
return res
return search(path_in_suite)
def getTests(path, litConfig, testSuiteCache, localConfigCache):
# Find the test suite for this input and its relative path.
ts,path_in_suite = getTestSuite(path, litConfig, testSuiteCache)
if ts is None:
litConfig.warning('unable to find test suite for %r' % path)
return (),()
if litConfig.debug:
litConfig.note('resolved input %r to %r::%r' % (path, ts.name,
path_in_suite))
return ts, getTestsInSuite(ts, path_in_suite, litConfig,
testSuiteCache, localConfigCache)
def getTestsInSuite(ts, path_in_suite, litConfig,
testSuiteCache, localConfigCache):
# Check that the source path exists (errors here are reported by the
# caller).
source_path = ts.getSourcePath(path_in_suite)
if not os.path.exists(source_path):
return
# Check if the user named a test directly.
if not os.path.isdir(source_path):
lc = getLocalConfig(ts, path_in_suite[:-1], litConfig, localConfigCache)
yield Test.Test(ts, path_in_suite, lc)
return
# Otherwise we have a directory to search for tests, start by getting the
# local configuration.
lc = getLocalConfig(ts, path_in_suite, litConfig, localConfigCache)
# Search for tests.
if lc.test_format is not None:
for res in lc.test_format.getTestsInDirectory(ts, path_in_suite,
litConfig, lc):
yield res
# Search subdirectories.
for filename in os.listdir(source_path):
# FIXME: This doesn't belong here?
if filename in ('Output', '.svn', '.git') or filename in lc.excludes:
continue
# Ignore non-directories.
file_sourcepath = os.path.join(source_path, filename)
if not os.path.isdir(file_sourcepath):
continue
# Check for nested test suites, first in the execpath in case there is a
# site configuration and then in the source path.
subpath = path_in_suite + (filename,)
file_execpath = ts.getExecPath(subpath)
if dirContainsTestSuite(file_execpath, litConfig):
sub_ts, subpath_in_suite = getTestSuite(file_execpath, litConfig,
testSuiteCache)
elif dirContainsTestSuite(file_sourcepath, litConfig):
sub_ts, subpath_in_suite = getTestSuite(file_sourcepath, litConfig,
testSuiteCache)
else:
sub_ts = None
# If the this directory recursively maps back to the current test suite,
# disregard it (this can happen if the exec root is located inside the
# current test suite, for example).
if sub_ts is ts:
continue
# Otherwise, load from the nested test suite, if present.
if sub_ts is not None:
subiter = getTestsInSuite(sub_ts, subpath_in_suite, litConfig,
testSuiteCache, localConfigCache)
else:
subiter = getTestsInSuite(ts, subpath, litConfig, testSuiteCache,
localConfigCache)
N = 0
for res in subiter:
N += 1
yield res
if sub_ts and not N:
litConfig.warning('test suite %r contained no tests' % sub_ts.name)
def find_tests_for_inputs(lit_config, inputs):
"""
find_tests_for_inputs(lit_config, inputs) -> [Test]
Given a configuration object and a list of input specifiers, find all the
tests to execute.
"""
# Expand '@...' form in inputs.
actual_inputs = []
for input in inputs:
if input.startswith('@'):
f = open(input[1:])
try:
for ln in f:
ln = ln.strip()
if ln:
actual_inputs.append(ln)
finally:
f.close()
else:
actual_inputs.append(input)
# Load the tests from the inputs.
tests = []
test_suite_cache = {}
local_config_cache = {}
for input in actual_inputs:
prev = len(tests)
tests.extend(getTests(input, lit_config,
test_suite_cache, local_config_cache)[1])
if prev == len(tests):
lit_config.warning('input %r contained no tests' % input)
# If there were any errors during test discovery, exit now.
if lit_config.numErrors:
sys.stderr.write('%d errors, exiting.\n' % lit_config.numErrors)
sys.exit(2)
return tests
|