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4dd04bf02f
Summary: The hgpython interpreter was used to run Python scripts in tests that might rely on Mercurial modules. The previous hgpython implementation is Python PAR based, which does not have access to native Rust modules like bindings. Change it to use the native "hg debugpython" implementation that is more compatible. Reviewed By: markbt Differential Revision: D19190496 fbshipit-source-id: 9791dbf9ba0ed92de702291faa9145f01b05ec40
165 lines
5.7 KiB
Python
165 lines
5.7 KiB
Python
# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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# Translate run-tests.py tests to Python standard unittests
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import contextlib
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import glob
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import os
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import random
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import re
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import shlex
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import subprocess
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import sys
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import unittest
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try:
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# Used by :run_tests binary target
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import libfb.py.pathutils as pathutils
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hgpath = pathutils.get_build_rule_output_path(
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"//eden/scm:hg", pathutils.BuildRuleTypes.SH_BINARY
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)
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pythonbinpath = pathutils.get_build_rule_output_path(
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"//eden/scm:hgpython", pathutils.BuildRuleTypes.SH_BINARY
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)
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watchman = pathutils.get_build_rule_output_path(
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"//watchman:watchman", pathutils.BuildRuleTypes.CXX_BINARY
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)
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mononoke_server = pathutils.get_build_rule_output_path(
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"//scm/mononoke:mononoke", pathutils.BuildRuleTypes.RUST_BINARY
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)
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mononoke_hgcli = pathutils.get_build_rule_output_path(
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"//scm/mononoke/hgcli:hgcli", pathutils.BuildRuleTypes.RUST_BINARY
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)
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except ImportError:
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# Used by :hg_run_tests and :hg_watchman_run_tests unittest target
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hgpath = os.environ.get("HGTEST_HG")
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pythonbinpath = os.environ.get("HGTEST_PYTHON", "python2")
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watchman = os.environ.get("HGTEST_WATCHMAN")
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mononoke_server = os.environ.get("HGTEST_MONONOKE_SERVER")
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mononoke_hgcli = os.environ.get("HGTEST_MONONOKE_HGCLI")
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if watchman is not None and not os.path.exists(str(watchman)):
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watchman = None
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os.environ["PYTHON_SYS_EXECUTABLE"] = pythonbinpath
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try:
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shlex_quote = shlex.quote # Python 3.3 and up
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except AttributeError:
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shlex_quote = subprocess.list2cmdline
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@contextlib.contextmanager
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def chdir(path):
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oldpwd = os.getcwd()
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try:
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os.chdir(path)
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yield
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finally:
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os.chdir(oldpwd)
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def prepareargsenv(runtestsdir, port=None):
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"""return (args, env) for running run-tests.py"""
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if not os.path.exists(os.path.join(runtestsdir, "run-tests.py")):
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raise SystemExit("cannot find run-tests.py from %s" % runtestsdir)
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env = os.environ.copy()
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args = [pythonbinpath, "run-tests.py", "--maxdifflines=1000"]
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if port:
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args += ["--port", "%s" % port]
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if hgpath:
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args.append("--with-hg=%s" % hgpath)
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if watchman:
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args += ["--with-watchman", watchman]
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# set HGDATAPATH
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datapath = os.path.join(runtestsdir, "../edenscm/mercurial")
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env["HGDATAPATH"] = datapath
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# set HGPYTHONPATH since PYTHONPATH might be discarded
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pythonpath = os.pathsep.join([runtestsdir])
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env["HGPYTHONPATH"] = pythonpath
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# set other environments useful for buck testing
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env["HGTEST_NORMAL_LAYOUT"] = "0"
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# Variables needed for mononoke integration
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if os.environ.get("USE_MONONOKE"):
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env["MONONOKE_SERVER"] = mononoke_server
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env["MONONOKE_HGCLI"] = mononoke_hgcli
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return args, env
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def gettestmethod(name, port):
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def runsingletest(self):
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reportskips = os.getenv("HGTEST_REPORT_SKIPS")
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with chdir(self._runtests_dir):
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args, env = prepareargsenv(self._runtests_dir, port)
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args += os.getenv("HGTEST_RUNTESTS_ARGS", "").split()
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# run run-tests.py for a single test
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p = subprocess.Popen(
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args + [name], env=env, stderr=subprocess.PIPE, stdout=subprocess.PIPE
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)
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out, err = p.communicate("")
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message = err + out
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returncode = p.returncode
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if "Lost connection to MySQL server" in message:
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raise unittest.SkipTest("MySQL is unavailable")
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if returncode == 80:
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if not reportskips:
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return
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# Extract skipped reason from output
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match = re.search("Skipped [^:]*: (.*)", err + out)
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if match:
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reason = match.group(1)
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else:
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reason = "skipped by run-tests.py"
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raise unittest.SkipTest(reason)
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elif returncode != 0:
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raise self.failureException(message)
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return runsingletest
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class hgtests(unittest.TestCase):
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@classmethod
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def collecttests(cls, path):
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"""scan tests in path and add them as test methods"""
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if os.environ.get("HGTEST_IGNORE_WHITELIST") == "1":
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whitelist = None
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else:
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whitelist = re.compile(r"\A%s\Z" % os.environ.get("HGTEST_WHITELIST", ".*"))
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if os.environ.get("HGTEST_IGNORE_BLACKLIST") == "1":
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blacklist = None
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else:
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blacklist = re.compile(r"\A%s\Z" % os.environ.get("HGTEST_BLACKLIST", ""))
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# Randomize the port so a stress run of a single test would be fine
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port = random.randint(10000, 60000)
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with chdir(path):
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cls._runtests_dir = os.getcwd()
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for name in glob.glob("test-*.t") + glob.glob("test-*.py"):
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method_name = name.replace(".", "_").replace("-", "_")
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if whitelist and not whitelist.match(method_name):
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continue
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if blacklist and blacklist.match(method_name):
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continue
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# Running a lot run-tests.py in parallel will trigger race
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# condition of the original port detection logic. So allocate
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# ports here. run-tests.py could do adjustments.
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# A test needs 3 ports at most. See portneeded in run-tests.py
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port += 3
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setattr(cls, method_name, gettestmethod(name, port))
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if __name__ == "__main__":
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args, env = prepareargsenv(os.getcwd())
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os.execvpe(args[0], args + sys.argv[1:], env)
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else:
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hgtests.collecttests(os.environ.get("HGTEST_DIR", "."))
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