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Invoke pytest runner from run.sh

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Utilize developers' muscle memory to incentivize using the pytest runner
instead of the legacy one. The script also serves as basic examples of
how to run the pyest command to achieve the same results as the legacy
runner.

Invoking pytest directly should be the end goal, since it offers many
potentially useful options (refer to pytest --help).
This commit is contained in:
Tom Krizek 2023-01-13 16:32:39 +01:00
parent 4bc2b3be48
commit 4dbe8e5347
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GPG key ID: 01623B9B652A20A7
8 changed files with 115 additions and 27 deletions
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2
bin/tests/system/.gitignore vendored
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@ -14,7 +14,7 @@ named.run
/*.log
/*.trs
/resolve
/run.sh
/legacy.run.sh
/run.log
/start.sh
/stop.sh

4
bin/tests/system/Makefile.am
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@ -233,9 +233,9 @@ LOG_DRIVER_V_1 = --verbose yes
LOG_DRIVER = $(srcdir)/custom-test-driver
AM_LOG_DRIVER_FLAGS = $(LOG_DRIVER_V)
LOG_COMPILER = $(builddir)/run.sh
LOG_COMPILER = $(builddir)/legacy.run.sh
AM_LOG_FLAGS = -r
$(TESTS): run.sh
$(TESTS): legacy.run.sh
test-local: check

41
bin/tests/system/README
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@ -119,11 +119,11 @@ Running an Individual Test
---
The tests can be run individually using the following command:
sh run.sh [flags] <test-name> [<test-arguments>]
sh legacy.run.sh [flags] <test-name> [<test-arguments>]
e.g.
sh run.sh [flags] notify
sh legacy.run.sh [flags] notify
Optional flags are:
@ -241,9 +241,9 @@ Re-Running the Tests
---
If there is a requirement to re-run a test (or the entire test suite), the
files produced by the tests should be deleted first. Normally, these files are
deleted if the test succeeds but are retained on error. The run.sh script
automatically calls a given test's clean.sh script before invoking its setup.sh
script.
deleted if the test succeeds but are retained on error. The legacy.run.sh
script automatically calls a given test's clean.sh script before invoking its
setup.sh script.
Deletion of the files produced by the set of tests (e.g. after the execution of
make) can be carried out using the command:
@ -283,8 +283,8 @@ tests.sh Runs the actual tests. This file is mandatory.
clean.sh Run at the end to clean up temporary files, but only if the test
was completed successfully and its running was not inhibited by the
"-n" switch being passed to "run.sh". Otherwise the temporary
files are left in place for inspection.
"-n" switch being passed to "legacy.run.sh". Otherwise the
temporary files are left in place for inspection.
ns<N> These subdirectories contain test name servers that can be queried
or can interact with each other. The value of N indicates the
@ -303,8 +303,8 @@ ans<N> Like ns[X], but these are simple mock name servers implemented in
Port Usage
---
In order for the tests to run in parallel, each test requires a unique set of
ports. These are specified by the "-p" option passed to "run.sh", which sets
environment variables that the scripts listed above can reference.
ports. These are specified by the "-p" option passed to "legacy.run.sh", which
sets environment variables that the scripts listed above can reference.
The convention used in the system tests is that the number passed is the start
of a range of 100 ports. The test is free to use the ports as required,
@ -356,10 +356,10 @@ General
directory.
2. Arguments can be only passed to the script if the test is being run as a
one-off with "run.sh". In this case, everything on the command line after the
name of the test is passed to each script. For example, the command:
one-off with "legacy.run.sh". In this case, everything on the command line
after the name of the test is passed to each script. For example, the command:
sh run.sh -p 12300 mytest -D xyz
sh legacy.run.sh -p 12300 mytest -D xyz
... will run "mytest" with a port range of 12300 to 12399. Each of the
framework scripts provided by the test will be invoked using the remaining
@ -530,8 +530,8 @@ Ideally, the directory numbers should start at 1 and work upwards.
When running a test, the servers are started using "start.sh" (which is nothing
more than a wrapper for start.pl). The options for "start.pl" are documented
in the header for that file, so will not be repeated here. In summary, when
invoked by "run.sh", start.pl looks for directories named "nsN" or "ansN" in
the test directory and starts the servers it finds there.
invoked by "legacy.run.sh", start.pl looks for directories named "nsN" or
"ansN" in the test directory and starts the servers it finds there.
"named" Command-Line Options
@ -628,8 +628,8 @@ the options available are listed in the file's header and will not be repeated
here.
In summary though, the nameservers for a given test, if left running by
specifying the "-k" flag to "run.sh" when the test is started, can be stopped
by the command:
specifying the "-k" flag to "legacy.run.sh" when the test is started, can be
stopped by the command:
sh stop.sh <test-name> [server]
@ -738,9 +738,10 @@ This section is aimed at developers maintaining BIND's system test framework.
Notes on Parallel Execution
---
Although execution of an individual test is controlled by "run.sh", which
executes the above shell scripts (and starts the relevant servers) for each
test, the running of all tests in the test suite is controlled by the Makefile.
Although execution of an individual test is controlled by "legacy.run.sh",
which executes the above shell scripts (and starts the relevant servers) for
each test, the running of all tests in the test suite is controlled by the
Makefile.
All system tests are capable of being run in parallel. For this to work, each
test needs to use a unique set of ports. To avoid the need to define which
@ -763,7 +764,7 @@ If the test fails, all these files are retained. But if the test succeeds,
they are cleaned up at different times:
1. Files generated by the test itself are cleaned up by the test's own
"clean.sh", which is called from "run.sh".
"clean.sh", which is called from "legacy.run.sh".
2. Files that may not be cleaned up if named exits abnormally can be removed
using the "cleanall.sh" script.

2
bin/tests/system/conf.sh.common
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@ -695,7 +695,7 @@ get_named_xfer_stats() {
#
# Convenience function to copy a configuration file, replacing the tokens
# QUERYPORT, CONTROLPORT and EXTRAPORT[1-8] with the values of the equivalent
# environment variables. (These values are set by "run.sh", which calls the
# environment variables. (These values are set by test runner, which calls the
# scripts invoking this function.)
#
# Usage:

2
bin/tests/system/get_algorithms.py
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@ -230,7 +230,7 @@ def main():
except Exception:
# if anything goes wrong, the conf.sh ignores error codes, so make sure
# we set an environment variable to an error value that can be checked
# later by run.sh
# later by the test runner and/or tests themselves
print("export ALGORITHM_SET=error")
raise
for name, value in algs_env.items():

0
bin/tests/system/run.sh.in → bin/tests/system/legacy.run.sh.in
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87
bin/tests/system/run.sh Executable file
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@ -0,0 +1,87 @@
#!/usr/bin/python3
#
# Copyright (C) Internet Systems Consortium, Inc. ("ISC")
#
# SPDX-License-Identifier: MPL-2.0
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, you can obtain one at https://mozilla.org/MPL/2.0/.
#
# See the COPYRIGHT file distributed with this work for additional
# information regarding copyright ownership.
#
# Run system test using the pytest runner. This is a simple wrapper around
# pytest for convenience.
#
import argparse
import sys
import time
import pytest
def into_pytest_args(in_args):
args = []
if in_args.expression is None:
# running all tests - execute in parallel
args.extend(["-n", "auto"])
args.extend(["--dist", "loadscope"])
else:
args.extend(["-k", in_args.expression])
if in_args.noclean:
args.append("--noclean")
if in_args.keep:
print(
"ERROR -k / --keep option not implemented.\n"
"Please contact QA with your use-case and use ./legacy.run.sh in the meantime."
)
sys.exit(1)
return args
def main():
print(
"----- WARNING -----\n"
"Using pytest system test runner\n\n"
'Please consider invoking "pytest" directly for more control:\n'
" single test: pytest -k dns64\n"
" parallel tests: pytest -n auto --dist loadscope\n\n"
"Alternately, use ./legacy.run.sh for the legacy system test runner.\n"
)
parser = argparse.ArgumentParser(
description="Wrapper script for launching system tests"
)
parser.add_argument(
"--noclean",
action="store_true",
help="don't clean tmpdir after test run",
)
parser.add_argument(
"-k",
"--keep",
action="store_true",
help="unused - not implemented",
)
parser.add_argument(
"expression",
type=str,
nargs="?",
help="select which test(s) to run",
)
args = into_pytest_args(parser.parse_args())
print(f"$ pytest {' '.join(args)}\n" "---------------------------\n")
time.sleep(2) # force the user to stare at the warning message
sys.exit(pytest.main(args))
if __name__ == "__main__":
main()
# vim: set filetype=python :

4
configure.ac
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@ -1655,8 +1655,8 @@ AC_CONFIG_FILES([bin/tests/Makefile
AC_CONFIG_FILES([bin/tests/system/ifconfig.sh],
[chmod +x bin/tests/system/ifconfig.sh])
AC_CONFIG_FILES([bin/tests/system/run.sh],
[chmod +x bin/tests/system/run.sh])
AC_CONFIG_FILES([bin/tests/system/legacy.run.sh],
[chmod +x bin/tests/system/legacy.run.sh])
AC_CONFIG_FILES([bin/tests/system/start.sh],
[chmod +x bin/tests/system/start.sh])
AC_CONFIG_FILES([bin/tests/system/stop.sh],