Coverage for tests/test_config.py : 14%

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1# This file is part of daf_butler.
2#
3# Developed for the LSST Data Management System.
4# This product includes software developed by the LSST Project
5# (http://www.lsst.org).
6# See the COPYRIGHT file at the top-level directory of this distribution
7# for details of code ownership.
8#
9# This program is free software: you can redistribute it and/or modify
10# it under the terms of the GNU General Public License as published by
11# the Free Software Foundation, either version 3 of the License, or
12# (at your option) any later version.
13#
14# This program is distributed in the hope that it will be useful,
15# but WITHOUT ANY WARRANTY; without even the implied warranty of
16# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17# GNU General Public License for more details.
18#
19# You should have received a copy of the GNU General Public License
20# along with this program. If not, see <http://www.gnu.org/licenses/>.
22import unittest
23import os
24import contextlib
25import collections
26import itertools
27import shutil
28import tempfile
30from lsst.daf.butler import ConfigSubset, Config
33@contextlib.contextmanager
34def modified_environment(**environ):
35 """
36 Temporarily set environment variables.
38 >>> with modified_environment(DAF_BUTLER_CONFIG_PATHS="/somewhere"):
39 ... os.environ["DAF_BUTLER_CONFIG_PATHS"] == "/somewhere"
40 True
42 >>> "DAF_BUTLER_CONFIG_PATHS" != "/somewhere"
43 True
45 Parameters
46 ----------
47 environ : `dict`
48 Key value pairs of environment variables to temporarily set.
49 """
50 old_environ = dict(os.environ)
51 os.environ.update(environ)
52 try:
53 yield
54 finally:
55 os.environ.clear()
56 os.environ.update(old_environ)
59class ExampleWithConfigFileReference:
60 defaultConfigFile = "viacls.yaml"
63class ExampleWithConfigFileReference2:
64 defaultConfigFile = "viacls2.yaml"
67class ConfigTest(ConfigSubset):
68 component = "comp"
69 requiredKeys = ("item1", "item2")
70 defaultConfigFile = "testconfig.yaml"
73class ConfigTestEmpty(ConfigTest):
74 defaultConfigFile = "testconfig_empty.yaml"
75 requiredKeys = ()
78class ConfigTestButlerDir(ConfigTest):
79 defaultConfigFile = "testConfigs/testconfig.yaml"
82class ConfigTestNoDefaults(ConfigTest):
83 defaultConfigFile = None
84 requiredKeys = ()
87class ConfigTestAbsPath(ConfigTest):
88 defaultConfigFile = None
89 requiredKeys = ()
92class ConfigTestCls(ConfigTest):
93 defaultConfigFile = "withcls.yaml"
96class ConfigTestCase(unittest.TestCase):
97 """Tests of simple Config"""
99 def testBadConfig(self):
100 for badArg in ([], # Bad argument
101 __file__, # Bad file extension for existing file
102 ):
103 with self.assertRaises(RuntimeError):
104 Config(badArg)
105 for badArg in ("file.fits", # File that does not exist with bad extension
106 "b/c/d/", # Directory that does not exist
107 "file.yaml", # Good extension for missing file
108 ):
109 with self.assertRaises(FileNotFoundError):
110 Config(badArg)
112 def testBasics(self):
113 c = Config({"1": 2, "3": 4, "key3": 6, "dict": {"a": 1, "b": 2}})
114 pretty = c.ppprint()
115 self.assertIn("key3", pretty)
116 r = repr(c)
117 self.assertIn("key3", r)
118 regex = r"^Config\(\{.*\}\)$"
119 self.assertRegex(r, regex)
120 c2 = eval(r)
121 self.assertIn("1", c)
122 for n in c.names():
123 self.assertEqual(c2[n], c[n])
124 self.assertEqual(c, c2)
125 s = str(c)
126 self.assertIn("\n", s)
127 self.assertNotRegex(s, regex)
129 self.assertCountEqual(c.keys(), ["1", "3", "key3", "dict"])
130 self.assertEqual(list(c), list(c.keys()))
131 self.assertEqual(list(c.values()), [c[k] for k in c.keys()])
132 self.assertEqual(list(c.items()), [(k, c[k]) for k in c.keys()])
134 newKeys = ("key4", ".dict.q", ("dict", "r"), "5")
135 oldKeys = ("key3", ".dict.a", ("dict", "b"), "3")
136 remainingKey = "1"
138 # Check get with existing key
139 for k in oldKeys:
140 self.assertEqual(c.get(k, "missing"), c[k])
142 # Check get, pop with nonexistent key
143 for k in newKeys:
144 self.assertEqual(c.get(k, "missing"), "missing")
145 self.assertEqual(c.pop(k, "missing"), "missing")
147 # Check setdefault with existing key
148 for k in oldKeys:
149 c.setdefault(k, 8)
150 self.assertNotEqual(c[k], 8)
152 # Check setdefault with nonexistent key (mutates c, adding newKeys)
153 for k in newKeys:
154 c.setdefault(k, 8)
155 self.assertEqual(c[k], 8)
157 # Check pop with existing key (mutates c, removing newKeys)
158 for k in newKeys:
159 v = c[k]
160 self.assertEqual(c.pop(k, "missing"), v)
162 # Check deletion (mutates c, removing oldKeys)
163 for k in ("key3", ".dict.a", ("dict", "b"), "3"):
164 self.assertIn(k, c)
165 del c[k]
166 self.assertNotIn(k, c)
168 # Check that `dict` still exists, but is now empty (then remove
169 # it, mutatic c)
170 self.assertIn("dict", c)
171 del c["dict"]
173 # Check popitem (mutates c, removing remainingKey)
174 v = c[remainingKey]
175 self.assertEqual(c.popitem(), (remainingKey, v))
177 # Check that c is now empty
178 self.assertFalse(c)
180 def testDict(self):
181 """Test toDict()"""
182 c1 = Config({"a": {"b": 1}, "c": 2})
183 self.assertIsInstance(c1["a"], Config)
184 d1 = c1.toDict()
185 self.assertIsInstance(d1["a"], dict)
186 self.assertEqual(d1["a"], c1["a"])
188 # Modifying one does not change the other
189 d1["a"]["c"] = 2
190 self.assertNotEqual(d1["a"], c1["a"])
192 def assertSplit(self, answer, *args):
193 """Helper function to compare string splitting"""
194 for s in (answer, *args):
195 split = Config._splitIntoKeys(s)
196 self.assertEqual(split, answer)
198 def testSplitting(self):
199 """Test of the internal splitting API."""
200 # Try lots of keys that will return the same answer
201 answer = ["a", "b", "c", "d"]
202 self.assertSplit(answer, ".a.b.c.d", ":a:b:c:d", "\ta\tb\tc\td", "\ra\rb\rc\rd")
204 answer = ["a", "calexp.wcs", "b"]
205 self.assertSplit(answer, r".a.calexp\.wcs.b", ":a:calexp.wcs:b")
207 self.assertSplit(["a.b.c"])
208 self.assertSplit(["a", r"b\.c"], r"_a_b\.c")
210 # Escaping a backslash before a delimiter currently fails
211 with self.assertRaises(ValueError):
212 Config._splitIntoKeys(r".a.calexp\\.wcs.b")
214 # The next two fail because internally \r is magic when escaping
215 # a delimiter.
216 with self.assertRaises(ValueError):
217 Config._splitIntoKeys("\ra\rcalexp\\\rwcs\rb")
219 with self.assertRaises(ValueError):
220 Config._splitIntoKeys(".a.cal\rexp\\.wcs.b")
222 def testEscape(self):
223 c = Config({"a": {"foo.bar": 1}, "b😂c": {"bar_baz": 2}})
224 self.assertEqual(c[r".a.foo\.bar"], 1)
225 self.assertEqual(c[":a:foo.bar"], 1)
226 self.assertEqual(c[".b😂c.bar_baz"], 2)
227 self.assertEqual(c[r"😂b\😂c😂bar_baz"], 2)
228 self.assertEqual(c[r"\a\foo.bar"], 1)
229 self.assertEqual(c["\ra\rfoo.bar"], 1)
230 with self.assertRaises(ValueError):
231 c[".a.foo\\.bar\r"]
233 def testOperators(self):
234 c1 = Config({"a": {"b": 1}, "c": 2})
235 c2 = c1.copy()
236 self.assertEqual(c1, c2)
237 self.assertIsInstance(c2, Config)
238 c2[".a.b"] = 5
239 self.assertNotEqual(c1, c2)
241 def testUpdate(self):
242 c = Config({"a": {"b": 1}})
243 c.update({"a": {"c": 2}})
244 self.assertEqual(c[".a.b"], 1)
245 self.assertEqual(c[".a.c"], 2)
246 c.update({"a": {"d": [3, 4]}})
247 self.assertEqual(c[".a.d.0"], 3)
248 c.update({"z": [5, 6, {"g": 2, "h": 3}]})
249 self.assertEqual(c[".z.1"], 6)
251 # This is detached from parent
252 c2 = c[".z.2"]
253 self.assertEqual(c2["g"], 2)
254 c2.update({"h": 4, "j": 5})
255 self.assertEqual(c2["h"], 4)
256 self.assertNotIn(".z.2.j", c)
257 self.assertNotEqual(c[".z.2.h"], 4)
259 with self.assertRaises(RuntimeError):
260 c.update([1, 2, 3])
262 def testHierarchy(self):
263 c = Config()
265 # Simple dict
266 c["a"] = {"z": 52, "x": "string"}
267 self.assertIn(".a.z", c)
268 self.assertEqual(c[".a.x"], "string")
270 # Try different delimiters
271 self.assertEqual(c["⇛a⇛z"], 52)
272 self.assertEqual(c[("a", "z")], 52)
273 self.assertEqual(c["a", "z"], 52)
275 c[".b.new.thing1"] = "thing1"
276 c[".b.new.thing2"] = "thing2"
277 c[".b.new.thing3.supp"] = "supplemental"
278 self.assertEqual(c[".b.new.thing1"], "thing1")
279 tmp = c[".b.new"]
280 self.assertEqual(tmp["thing2"], "thing2")
281 self.assertEqual(c[".b.new.thing3.supp"], "supplemental")
283 # Test that we can index into lists
284 c[".a.b.c"] = [1, "7", 3, {"1": 4, "5": "Five"}, "hello"]
285 self.assertIn(".a.b.c.3.5", c)
286 self.assertNotIn(".a.b.c.10", c)
287 self.assertNotIn(".a.b.c.10.d", c)
288 self.assertEqual(c[".a.b.c.3.5"], "Five")
289 # Is the value in the list?
290 self.assertIn(".a.b.c.hello", c)
291 self.assertNotIn(".a.b.c.hello.not", c)
293 # And assign to an element in the list
294 self.assertEqual(c[".a.b.c.1"], "7")
295 c[".a.b.c.1"] = 8
296 self.assertEqual(c[".a.b.c.1"], 8)
297 self.assertIsInstance(c[".a.b.c"], collections.abc.Sequence)
299 # Test we do get lists back from asArray
300 a = c.asArray(".a.b.c")
301 self.assertIsInstance(a, list)
303 # Is it the *same* list as in the config
304 a.append("Sentinel")
305 self.assertIn("Sentinel", c[".a.b.c"])
306 self.assertIn(".a.b.c.Sentinel", c)
308 # Test we always get a list
309 for k in c.names():
310 a = c.asArray(k)
311 self.assertIsInstance(a, list)
313 # Check we get the same top level keys
314 self.assertEqual(set(c.names(topLevelOnly=True)), set(c._data.keys()))
316 # Check that we can iterate through items
317 for k, v in c.items():
318 self.assertEqual(c[k], v)
320 # Check that lists still work even if assigned a dict
321 c = Config({"cls": "lsst.daf.butler",
322 "formatters": {"calexp.wcs": "{component}",
323 "calexp": "{datasetType}"},
324 "datastores": [{"datastore": {"cls": "datastore1"}},
325 {"datastore": {"cls": "datastore2"}}]})
326 c[".datastores.1.datastore"] = {"cls": "datastore2modified"}
327 self.assertEqual(c[".datastores.0.datastore.cls"], "datastore1")
328 self.assertEqual(c[".datastores.1.datastore.cls"], "datastore2modified")
329 self.assertIsInstance(c["datastores"], collections.abc.Sequence)
331 # Test that we can get all the listed names.
332 # and also that they are marked as "in" the Config
333 # Try delimited names and tuples
334 for n in itertools.chain(c.names(), c.nameTuples()):
335 val = c[n]
336 self.assertIsNotNone(val)
337 self.assertIn(n, c)
339 names = c.names()
340 nameTuples = c.nameTuples()
341 self.assertEqual(len(names), len(nameTuples))
342 self.assertEqual(len(names), 11)
343 self.assertEqual(len(nameTuples), 11)
345 # Test that delimiter escaping works
346 names = c.names(delimiter=".")
347 for n in names:
348 self.assertIn(n, c)
349 self.assertIn(".formatters.calexp\\.wcs", names)
351 # Use a name that includes the internal default delimiter
352 # to test automatic adjustment of delimiter
353 strangeKey = f"calexp{c._D}wcs"
354 c["formatters", strangeKey] = "dynamic"
355 names = c.names()
356 self.assertIn(strangeKey, "-".join(names))
357 self.assertFalse(names[0].startswith(c._D))
358 for n in names:
359 self.assertIn(n, c)
361 top = c.nameTuples(topLevelOnly=True)
362 self.assertIsInstance(top[0], tuple)
364 # Investigate a possible delimeter in a key
365 c = Config({"formatters": {"calexp.wcs": 2, "calexp": 3}})
366 self.assertEqual(c[":formatters:calexp.wcs"], 2)
367 self.assertEqual(c[":formatters:calexp"], 3)
368 for k, v in c["formatters"].items():
369 self.assertEqual(c["formatters", k], v)
371 # Check internal delimiter inheritance
372 c._D = "."
373 c2 = c["formatters"]
374 self.assertEqual(c._D, c2._D) # Check that the child inherits
375 self.assertNotEqual(c2._D, Config._D)
377 def testSerializedString(self):
378 """Test that we can create configs from strings"""
380 serialized = {
381 "yaml": """
382testing: hello
383formatters:
384 calexp: 3""",
385 "json": '{"testing": "hello", "formatters": {"calexp": 3}}'
386 }
388 for format, string in serialized.items():
389 c = Config.fromString(string, format=format)
390 self.assertEqual(c["formatters", "calexp"], 3)
391 self.assertEqual(c["testing"], "hello")
393 with self.assertRaises(ValueError):
394 Config.fromString("", format="unknown")
396 with self.assertRaises(ValueError):
397 Config.fromString(serialized["yaml"], format="json")
399 # This JSON can be parsed by YAML parser
400 j = Config.fromString(serialized["json"])
401 y = Config.fromString(serialized["yaml"])
402 self.assertEqual(j["formatters", "calexp"], 3)
403 self.assertEqual(j.toDict(), y.toDict())
405 # Round trip JSON -> Config -> YAML -> Config -> JSON -> Config
406 c1 = Config.fromString(serialized["json"], format="json")
407 yaml = c1.dump(format="yaml")
408 c2 = Config.fromString(yaml, format="yaml")
409 json = c2.dump(format="json")
410 c3 = Config.fromString(json, format="json")
411 self.assertEqual(c3.toDict(), c1.toDict())
414class ConfigSubsetTestCase(unittest.TestCase):
415 """Tests for ConfigSubset
416 """
418 def setUp(self):
419 self.testDir = os.path.abspath(os.path.dirname(__file__))
420 self.configDir = os.path.join(self.testDir, "config", "testConfigs")
421 self.configDir2 = os.path.join(self.testDir, "config", "testConfigs", "test2")
422 self.configDir3 = os.path.join(self.testDir, "config", "testConfigs", "test3")
424 def testEmpty(self):
425 """Ensure that we can read an empty file."""
426 c = ConfigTestEmpty(searchPaths=(self.configDir,))
427 self.assertIsInstance(c, ConfigSubset)
429 def testDefaults(self):
430 """Read of defaults"""
432 # Supply the search path explicitly
433 c = ConfigTest(searchPaths=(self.configDir,))
434 self.assertIsInstance(c, ConfigSubset)
435 self.assertIn("item3", c)
436 self.assertEqual(c["item3"], 3)
438 # Use environment
439 with modified_environment(DAF_BUTLER_CONFIG_PATH=self.configDir):
440 c = ConfigTest()
441 self.assertIsInstance(c, ConfigSubset)
442 self.assertEqual(c["item3"], 3)
444 # No default so this should fail
445 with self.assertRaises(KeyError):
446 c = ConfigTest()
448 def testExternalOverride(self):
449 """Ensure that external values win"""
450 c = ConfigTest({"item3": "newval"}, searchPaths=(self.configDir,))
451 self.assertIn("item3", c)
452 self.assertEqual(c["item3"], "newval")
454 def testSearchPaths(self):
455 """Two search paths"""
456 c = ConfigTest(searchPaths=(self.configDir2, self.configDir))
457 self.assertIsInstance(c, ConfigSubset)
458 self.assertIn("item3", c)
459 self.assertEqual(c["item3"], "override")
460 self.assertEqual(c["item4"], "new")
462 c = ConfigTest(searchPaths=(self.configDir, self.configDir2))
463 self.assertIsInstance(c, ConfigSubset)
464 self.assertIn("item3", c)
465 self.assertEqual(c["item3"], 3)
466 self.assertEqual(c["item4"], "new")
468 def testExternalHierarchy(self):
469 """Test that we can provide external config parameters in hierarchy"""
470 c = ConfigTest({"comp": {"item1": 6, "item2": "a", "a": "b",
471 "item3": 7}, "item4": 8})
472 self.assertIn("a", c)
473 self.assertEqual(c["a"], "b")
474 self.assertNotIn("item4", c)
476 def testNoDefaults(self):
477 """Ensure that defaults can be turned off."""
479 # Mandatory keys but no defaults
480 c = ConfigTest({"item1": "a", "item2": "b", "item6": 6})
481 self.assertEqual(len(c.filesRead), 0)
482 self.assertIn("item1", c)
483 self.assertEqual(c["item6"], 6)
485 c = ConfigTestNoDefaults()
486 self.assertEqual(len(c.filesRead), 0)
488 def testAbsPath(self):
489 """Read default config from an absolute path"""
490 # Force the path to be absolute in the class
491 ConfigTestAbsPath.defaultConfigFile = os.path.join(self.configDir, "abspath.yaml")
492 c = ConfigTestAbsPath()
493 self.assertEqual(c["item11"], "eleventh")
494 self.assertEqual(len(c.filesRead), 1)
496 # Now specify the normal config file with an absolute path
497 ConfigTestAbsPath.defaultConfigFile = os.path.join(self.configDir, ConfigTest.defaultConfigFile)
498 c = ConfigTestAbsPath()
499 self.assertEqual(c["item11"], 11)
500 self.assertEqual(len(c.filesRead), 1)
502 # and a search path that will also include the file
503 c = ConfigTestAbsPath(searchPaths=(self.configDir, self.configDir2,))
504 self.assertEqual(c["item11"], 11)
505 self.assertEqual(len(c.filesRead), 1)
507 # Same as above but this time with relative path and two search paths
508 # to ensure the count changes
509 ConfigTestAbsPath.defaultConfigFile = ConfigTest.defaultConfigFile
510 c = ConfigTestAbsPath(searchPaths=(self.configDir, self.configDir2,))
511 self.assertEqual(len(c.filesRead), 2)
513 # Reset the class
514 ConfigTestAbsPath.defaultConfigFile = None
516 def testClassDerived(self):
517 """Read config specified in class determined from config"""
518 c = ConfigTestCls(searchPaths=(self.configDir,))
519 self.assertEqual(c["item50"], 50)
520 self.assertEqual(c["help"], "derived")
522 # Same thing but additional search path
523 c = ConfigTestCls(searchPaths=(self.configDir, self.configDir2))
524 self.assertEqual(c["item50"], 50)
525 self.assertEqual(c["help"], "derived")
526 self.assertEqual(c["help2"], "second")
528 # Same thing but reverse the two paths
529 c = ConfigTestCls(searchPaths=(self.configDir2, self.configDir))
530 self.assertEqual(c["item50"], 500)
531 self.assertEqual(c["help"], "class")
532 self.assertEqual(c["help2"], "second")
533 self.assertEqual(c["help3"], "third")
535 def testInclude(self):
536 """Read a config that has an include directive"""
537 c = Config(os.path.join(self.configDir, "testinclude.yaml"))
538 self.assertEqual(c[".comp1.item1"], 58)
539 self.assertEqual(c[".comp2.comp.item1"], 1)
540 self.assertEqual(c[".comp3.1.comp.item1"], "posix")
541 self.assertEqual(c[".comp4.0.comp.item1"], "posix")
542 self.assertEqual(c[".comp4.1.comp.item1"], 1)
543 self.assertEqual(c[".comp5.comp6.comp.item1"], "posix")
545 # Test a specific name and then test that all
546 # returned names are "in" the config.
547 names = c.names()
548 self.assertIn(c._D.join(("", "comp3", "1", "comp", "item1")), names)
549 for n in names:
550 self.assertIn(n, c)
552 # Test that override delimiter works
553 delimiter = "-"
554 names = c.names(delimiter=delimiter)
555 self.assertIn(delimiter.join(("", "comp3", "1", "comp", "item1")), names)
557 def testStringInclude(self):
558 """Using include directives in strings"""
560 # See if include works for absolute path
561 c = Config.fromYaml(f"something: !include {os.path.join(self.configDir, 'testconfig.yaml')}")
562 self.assertEqual(c["something", "comp", "item3"], 3)
564 with self.assertRaises(FileNotFoundError) as cm:
565 Config.fromYaml("something: !include /not/here.yaml")
566 # Test that it really was trying to open the absolute path
567 self.assertIn("'/not/here.yaml'", str(cm.exception))
569 def testIncludeConfigs(self):
570 """Test the special includeConfigs key for pulling in additional
571 files."""
572 c = Config(os.path.join(self.configDir, "configIncludes.yaml"))
573 self.assertEqual(c["comp", "item2"], "hello")
574 self.assertEqual(c["comp", "item50"], 5000)
575 self.assertEqual(c["comp", "item1"], "first")
576 self.assertEqual(c["comp", "item10"], "tenth")
577 self.assertEqual(c["comp", "item11"], "eleventh")
578 self.assertEqual(c["unrelated"], 1)
579 self.assertEqual(c["addon", "comp", "item1"], "posix")
580 self.assertEqual(c["addon", "comp", "item11"], -1)
581 self.assertEqual(c["addon", "comp", "item50"], 500)
583 c = Config(os.path.join(self.configDir, "configIncludes.json"))
584 self.assertEqual(c["comp", "item2"], "hello")
585 self.assertEqual(c["comp", "item50"], 5000)
586 self.assertEqual(c["comp", "item1"], "first")
587 self.assertEqual(c["comp", "item10"], "tenth")
588 self.assertEqual(c["comp", "item11"], "eleventh")
589 self.assertEqual(c["unrelated"], 1)
590 self.assertEqual(c["addon", "comp", "item1"], "posix")
591 self.assertEqual(c["addon", "comp", "item11"], -1)
592 self.assertEqual(c["addon", "comp", "item50"], 500)
594 # Now test with an environment variable in includeConfigs
595 with modified_environment(SPECIAL_BUTLER_DIR=self.configDir3):
596 c = Config(os.path.join(self.configDir, "configIncludesEnv.yaml"))
597 self.assertEqual(c["comp", "item2"], "hello")
598 self.assertEqual(c["comp", "item50"], 5000)
599 self.assertEqual(c["comp", "item1"], "first")
600 self.assertEqual(c["comp", "item10"], "tenth")
601 self.assertEqual(c["comp", "item11"], "eleventh")
602 self.assertEqual(c["unrelated"], 1)
603 self.assertEqual(c["addon", "comp", "item1"], "envvar")
604 self.assertEqual(c["addon", "comp", "item11"], -1)
605 self.assertEqual(c["addon", "comp", "item50"], 501)
607 # This will fail
608 with modified_environment(SPECIAL_BUTLER_DIR=self.configDir2):
609 with self.assertRaises(FileNotFoundError):
610 Config(os.path.join(self.configDir, "configIncludesEnv.yaml"))
612 def testResource(self):
613 c = Config("resource://lsst.daf.butler/configs/datastore.yaml")
614 self.assertIn("datastore", c)
616 # Test that we can include a resource URI
617 yaml = """
618toplevel: true
619resource: !include resource://lsst.daf.butler/configs/datastore.yaml
620"""
621 c = Config.fromYaml(yaml)
622 self.assertIn(("resource", "datastore", "cls"), c)
624 # Test that we can include a resource URI with includeConfigs
625 yaml = """
626toplevel: true
627resource:
628 includeConfigs: resource://lsst.daf.butler/configs/datastore.yaml
629"""
630 c = Config.fromYaml(yaml)
631 self.assertIn(("resource", "datastore", "cls"), c)
634class FileWriteConfigTestCase(unittest.TestCase):
636 def setUp(self):
637 self.tmpdir = tempfile.mkdtemp()
639 def tearDown(self):
640 if os.path.exists(self.tmpdir):
641 shutil.rmtree(self.tmpdir, ignore_errors=True)
643 def testDump(self):
644 """Test that we can write and read a configuration."""
646 c = Config({"1": 2, "3": 4, "key3": 6, "dict": {"a": 1, "b": 2}})
648 for format in ("yaml", "json"):
649 outpath = os.path.join(self.tmpdir, f"test.{format}")
650 c.dumpToUri(outpath)
652 c2 = Config(outpath)
653 self.assertEqual(c2, c)
655 c.dumpToUri(outpath, overwrite=True)
656 with self.assertRaises(FileExistsError):
657 c.dumpToUri(outpath, overwrite=False)
660if __name__ == "__main__": 660 ↛ 661line 660 didn't jump to line 661, because the condition on line 660 was never true
661 unittest.main()