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launcher: Allow partionning the tests

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This introduce new command line options, --parts and --part-index. When
--parts is set to a value larger then 1, the tests will be split in the
same number of group. The group number identified by --part-index will
be executed.

This is being added in orther to support gliblab CI parallel feature.
This commit is contained in:
Nicolas Dufresne 2020-01-11 23:00:06 -05:00
parent e4ca67938e
commit 1bc8e92efc
2 changed files with 24 additions and 0 deletions
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17
validate/launcher/baseclasses.py
View file

@ -40,6 +40,7 @@ import xml
import random
import shutil
import uuid
from itertools import cycle
from .utils import which
from . import reporters
@ -1866,6 +1867,13 @@ class _TestsLauncher(Loggable):
return testlist_changed
def _split_tests(self, num_groups):
groups = [[] for x in range(num_groups)]
group = cycle(groups)
for test in self.tests:
next(group).append(test)
return groups
def list_tests(self):
for tester in self.testers:
if not self._tester_needed(tester):
@ -1878,6 +1886,15 @@ class _TestsLauncher(Loggable):
self.tests.extend(tests)
self.tests.sort(key=lambda test: test.classname)
if self.options.num_parts < 1:
raise RuntimeError("Tests must be split in positive number of parts.")
if self.options.num_parts > len(self.tests):
raise RuntimeError("Cannot have more parts then there exist tests.")
if self.options.part_index < 1 or self.options.part_index > self.options.num_parts:
raise RuntimeError("Part index is out of range")
self.tests = self._split_tests(self.options.num_parts)[self.options.part_index - 1]
return self.tests
def _tester_needed(self, tester):

7
validate/launcher/main.py
View file

@ -530,6 +530,13 @@ class LauncherConfig(Loggable):
dir_group.add_argument("--ignore-numfailures", dest="ignore_numfailures",
help="Ignore the number of failed test in exit code",
default=False, action='store_true')
dir_group.add_argument("--parts", dest="num_parts",
help="Splits the tests in equally distributed parts and only run one part"
" (Defaults to 1 part)",
type=int, default=1)
dir_group.add_argument("--part-index", dest="part_index",
help="The index of the part to be run (starts at 1).",
type=int, default=1)
http_server_group = parser.add_argument_group(
"Handle the HTTP server to be created")