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u-boot/tools/buildman/func_test.py
Simon Glass f1a83abe60 buildman: Use bytes for the environment 
At present we sometimes see problems in gitlab where the environment has
0x80 characters or sequences which are not valid UTF-8.

Avoid this by using bytes for the environment, both internal to buildman
and when writing out the 'env' file. Add a test to make sure this works
as expected.

Reported-by: Marek Vasut <marex@denx.de>
Fixes: e5fc79ea71 ("buildman: Write the environment out to an 'env' file")
Signed-off-by: Simon Glass <sjg@chromium.org>
2021-04-29 03:23:39 -07:00

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# SPDX-License-Identifier: GPL-2.0+
# Copyright (c) 2014 Google, Inc
#
import os
import shutil
import sys
import tempfile
import unittest
from buildman import board
from buildman import bsettings
from buildman import cmdline
from buildman import control
from buildman import toolchain
from patman import command
from patman import gitutil
from patman import terminal
from patman import test_util
from patman import tools
settings_data = '''
# Buildman settings file
[toolchain]
[toolchain-alias]
[make-flags]
src=/home/sjg/c/src
chroot=/home/sjg/c/chroot
vboot=VBOOT_DEBUG=1 MAKEFLAGS_VBOOT=DEBUG=1 CFLAGS_EXTRA_VBOOT=-DUNROLL_LOOPS VBOOT_SOURCE=${src}/platform/vboot_reference
chromeos_coreboot=VBOOT=${chroot}/build/link/usr ${vboot}
chromeos_daisy=VBOOT=${chroot}/build/daisy/usr ${vboot}
chromeos_peach=VBOOT=${chroot}/build/peach_pit/usr ${vboot}
'''
boards = [
['Active', 'arm', 'armv7', '', 'Tester', 'ARM Board 1', 'board0', ''],
['Active', 'arm', 'armv7', '', 'Tester', 'ARM Board 2', 'board1', ''],
['Active', 'powerpc', 'powerpc', '', 'Tester', 'PowerPC board 1', 'board2', ''],
['Active', 'sandbox', 'sandbox', '', 'Tester', 'Sandbox board', 'board4', ''],
]
commit_shortlog = """4aca821 patman: Avoid changing the order of tags
39403bb patman: Use --no-pager' to stop git from forking a pager
db6e6f2 patman: Remove the -a option
f2ccf03 patman: Correct unit tests to run correctly
1d097f9 patman: Fix indentation in terminal.py
d073747 patman: Support the 'reverse' option for 'git log
"""
commit_log = ["""commit 7f6b8315d18f683c5181d0c3694818c1b2a20dcd
Author: Masahiro Yamada <yamada.m@jp.panasonic.com>
Date: Fri Aug 22 19:12:41 2014 +0900
buildman: refactor help message
"buildman [options]" is displayed by default.
Append the rest of help messages to parser.usage
instead of replacing it.
Besides, "-b <branch>" is not mandatory since commit fea5858e.
Drop it from the usage.
Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
""",
"""commit d0737479be6baf4db5e2cdbee123e96bc5ed0ba8
Author: Simon Glass <sjg@chromium.org>
Date: Thu Aug 14 16:48:25 2014 -0600
patman: Support the 'reverse' option for 'git log'
This option is currently not supported, but needs to be, for buildman to
operate as expected.
Series-changes: 7
- Add new patch to fix the 'reverse' bug
Series-version: 8
Change-Id: I79078f792e8b390b8a1272a8023537821d45feda
Reported-by: York Sun <yorksun@freescale.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
""",
"""commit 1d097f9ab487c5019152fd47bda126839f3bf9fc
Author: Simon Glass <sjg@chromium.org>
Date: Sat Aug 9 11:44:32 2014 -0600
patman: Fix indentation in terminal.py
This code came from a different project with 2-character indentation. Fix
it for U-Boot.
Series-changes: 6
- Add new patch to fix indentation in teminal.py
Change-Id: I5a74d2ebbb3cc12a665f5c725064009ac96e8a34
Signed-off-by: Simon Glass <sjg@chromium.org>
""",
"""commit f2ccf03869d1e152c836515a3ceb83cdfe04a105
Author: Simon Glass <sjg@chromium.org>
Date: Sat Aug 9 11:08:24 2014 -0600
patman: Correct unit tests to run correctly
It seems that doctest behaves differently now, and some of the unit tests
do not run. Adjust the tests to work correctly.
./tools/patman/patman --test
<unittest.result.TestResult run=10 errors=0 failures=0>
Series-changes: 6
- Add new patch to fix patman unit tests
Change-Id: I3d2ca588f4933e1f9d6b1665a00e4ae58269ff3b
""",
"""commit db6e6f2f9331c5a37647d6668768d4a40b8b0d1c
Author: Simon Glass <sjg@chromium.org>
Date: Sat Aug 9 12:06:02 2014 -0600
patman: Remove the -a option
It seems that this is no longer needed, since checkpatch.pl will catch
whitespace problems in patches. Also the option is not widely used, so
it seems safe to just remove it.
Series-changes: 6
- Add new patch to remove patman's -a option
Suggested-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Change-Id: I5821a1c75154e532c46513486ca40b808de7e2cc
""",
"""commit 39403bb4f838153028a6f21ca30bf100f3791133
Author: Simon Glass <sjg@chromium.org>
Date: Thu Aug 14 21:50:52 2014 -0600
patman: Use --no-pager' to stop git from forking a pager
""",
"""commit 4aca821e27e97925c039e69fd37375b09c6f129c
Author: Simon Glass <sjg@chromium.org>
Date: Fri Aug 22 15:57:39 2014 -0600
patman: Avoid changing the order of tags
patman collects tags that it sees in the commit and places them nicely
sorted at the end of the patch. However, this is not really necessary and
in fact is apparently not desirable.
Series-changes: 9
- Add new patch to avoid changing the order of tags
Series-version: 9
Suggested-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Change-Id: Ib1518588c1a189ad5c3198aae76f8654aed8d0db
"""]
TEST_BRANCH = '__testbranch'
class TestFunctional(unittest.TestCase):
"""Functional test for buildman.
This aims to test from just below the invocation of buildman (parsing
of arguments) to 'make' and 'git' invocation. It is not a true
emd-to-end test, as it mocks git, make and the tool chain. But this
makes it easier to detect when the builder is doing the wrong thing,
since in many cases this test code will fail. For example, only a
very limited subset of 'git' arguments is supported - anything
unexpected will fail.
"""
def setUp(self):
self._base_dir = tempfile.mkdtemp()
self._output_dir = tempfile.mkdtemp()
self._git_dir = os.path.join(self._base_dir, 'src')
self._buildman_pathname = sys.argv[0]
self._buildman_dir = os.path.dirname(os.path.realpath(sys.argv[0]))
command.test_result = self._HandleCommand
self.setupToolchains()
self._toolchains.Add('arm-gcc', test=False)
self._toolchains.Add('powerpc-gcc', test=False)
bsettings.Setup(None)
bsettings.AddFile(settings_data)
self._boards = board.Boards()
for brd in boards:
self._boards.AddBoard(board.Board(*brd))
# Directories where the source been cloned
self._clone_dirs = []
self._commits = len(commit_shortlog.splitlines()) + 1
self._total_builds = self._commits * len(boards)
# Number of calls to make
self._make_calls = 0
# Map of [board, commit] to error messages
self._error = {}
self._test_branch = TEST_BRANCH
# Avoid sending any output and clear all terminal output
terminal.SetPrintTestMode()
terminal.GetPrintTestLines()
def tearDown(self):
shutil.rmtree(self._base_dir)
#shutil.rmtree(self._output_dir)
def setupToolchains(self):
self._toolchains = toolchain.Toolchains()
self._toolchains.Add('gcc', test=False)
def _RunBuildman(self, *args):
return command.RunPipe([[self._buildman_pathname] + list(args)],
capture=True, capture_stderr=True)
def _RunControl(self, *args, boards=None, clean_dir=False,
test_thread_exceptions=False):
"""Run buildman
Args:
args: List of arguments to pass
boards:
clean_dir: Used for tests only, indicates that the existing output_dir
should be removed before starting the build
test_thread_exceptions: Uses for tests only, True to make the threads
raise an exception instead of reporting their result. This simulates
a failure in the code somewhere
Returns:
result code from buildman
"""
sys.argv = [sys.argv[0]] + list(args)
options, args = cmdline.ParseArgs()
result = control.DoBuildman(options, args, toolchains=self._toolchains,
make_func=self._HandleMake, boards=boards or self._boards,
clean_dir=clean_dir,
test_thread_exceptions=test_thread_exceptions)
self._builder = control.builder
return result
def testFullHelp(self):
command.test_result = None
result = self._RunBuildman('-H')
help_file = os.path.join(self._buildman_dir, 'README')
# Remove possible extraneous strings
extra = '::::::::::::::\n' + help_file + '\n::::::::::::::\n'
gothelp = result.stdout.replace(extra, '')
self.assertEqual(len(gothelp), os.path.getsize(help_file))
self.assertEqual(0, len(result.stderr))
self.assertEqual(0, result.return_code)
def testHelp(self):
command.test_result = None
result = self._RunBuildman('-h')
help_file = os.path.join(self._buildman_dir, 'README')
self.assertTrue(len(result.stdout) > 1000)
self.assertEqual(0, len(result.stderr))
self.assertEqual(0, result.return_code)
def testGitSetup(self):
"""Test gitutils.Setup(), from outside the module itself"""
command.test_result = command.CommandResult(return_code=1)
gitutil.Setup()
self.assertEqual(gitutil.use_no_decorate, False)
command.test_result = command.CommandResult(return_code=0)
gitutil.Setup()
self.assertEqual(gitutil.use_no_decorate, True)
def _HandleCommandGitLog(self, args):
if args[-1] == '--':
args = args[:-1]
if '-n0' in args:
return command.CommandResult(return_code=0)
elif args[-1] == 'upstream/master..%s' % self._test_branch:
return command.CommandResult(return_code=0, stdout=commit_shortlog)
elif args[:3] == ['--no-color', '--no-decorate', '--reverse']:
if args[-1] == self._test_branch:
count = int(args[3][2:])
return command.CommandResult(return_code=0,
stdout=''.join(commit_log[:count]))
# Not handled, so abort
print('git log', args)
sys.exit(1)
def _HandleCommandGitConfig(self, args):
config = args[0]
if config == 'sendemail.aliasesfile':
return command.CommandResult(return_code=0)
elif config.startswith('branch.badbranch'):
return command.CommandResult(return_code=1)
elif config == 'branch.%s.remote' % self._test_branch:
return command.CommandResult(return_code=0, stdout='upstream\n')
elif config == 'branch.%s.merge' % self._test_branch:
return command.CommandResult(return_code=0,
stdout='refs/heads/master\n')
# Not handled, so abort
print('git config', args)
sys.exit(1)
def _HandleCommandGit(self, in_args):
"""Handle execution of a git command
This uses a hacked-up parser.
Args:
in_args: Arguments after 'git' from the command line
"""
git_args = [] # Top-level arguments to git itself
sub_cmd = None # Git sub-command selected
args = [] # Arguments to the git sub-command
for arg in in_args:
if sub_cmd:
args.append(arg)
elif arg[0] == '-':
git_args.append(arg)
else:
if git_args and git_args[-1] in ['--git-dir', '--work-tree']:
git_args.append(arg)
else:
sub_cmd = arg
if sub_cmd == 'config':
return self._HandleCommandGitConfig(args)
elif sub_cmd == 'log':
return self._HandleCommandGitLog(args)
elif sub_cmd == 'clone':
return command.CommandResult(return_code=0)
elif sub_cmd == 'checkout':
return command.CommandResult(return_code=0)
elif sub_cmd == 'worktree':
return command.CommandResult(return_code=0)
# Not handled, so abort
print('git', git_args, sub_cmd, args)
sys.exit(1)
def _HandleCommandNm(self, args):
return command.CommandResult(return_code=0)
def _HandleCommandObjdump(self, args):
return command.CommandResult(return_code=0)
def _HandleCommandObjcopy(self, args):
return command.CommandResult(return_code=0)
def _HandleCommandSize(self, args):
return command.CommandResult(return_code=0)
def _HandleCommand(self, **kwargs):
"""Handle a command execution.
The command is in kwargs['pipe-list'], as a list of pipes, each a
list of commands. The command should be emulated as required for
testing purposes.
Returns:
A CommandResult object
"""
pipe_list = kwargs['pipe_list']
wc = False
if len(pipe_list) != 1:
if pipe_list[1] == ['wc', '-l']:
wc = True
else:
print('invalid pipe', kwargs)
sys.exit(1)
cmd = pipe_list[0][0]
args = pipe_list[0][1:]
result = None
if cmd == 'git':
result = self._HandleCommandGit(args)
elif cmd == './scripts/show-gnu-make':
return command.CommandResult(return_code=0, stdout='make')
elif cmd.endswith('nm'):
return self._HandleCommandNm(args)
elif cmd.endswith('objdump'):
return self._HandleCommandObjdump(args)
elif cmd.endswith('objcopy'):
return self._HandleCommandObjcopy(args)
elif cmd.endswith( 'size'):
return self._HandleCommandSize(args)
if not result:
# Not handled, so abort
print('unknown command', kwargs)
sys.exit(1)
if wc:
result.stdout = len(result.stdout.splitlines())
return result
def _HandleMake(self, commit, brd, stage, cwd, *args, **kwargs):
"""Handle execution of 'make'
Args:
commit: Commit object that is being built
brd: Board object that is being built
stage: Stage that we are at (mrproper, config, build)
cwd: Directory where make should be run
args: Arguments to pass to make
kwargs: Arguments to pass to command.RunPipe()
"""
self._make_calls += 1
if stage == 'mrproper':
return command.CommandResult(return_code=0)
elif stage == 'config':
return command.CommandResult(return_code=0,
combined='Test configuration complete')
elif stage == 'build':
stderr = ''
out_dir = ''
for arg in args:
if arg.startswith('O='):
out_dir = arg[2:]
fname = os.path.join(cwd or '', out_dir, 'u-boot')
tools.WriteFile(fname, b'U-Boot')
if type(commit) is not str:
stderr = self._error.get((brd.target, commit.sequence))
if stderr:
return command.CommandResult(return_code=1, stderr=stderr)
return command.CommandResult(return_code=0)
# Not handled, so abort
print('make', stage)
sys.exit(1)
# Example function to print output lines
def print_lines(self, lines):
print(len(lines))
for line in lines:
print(line)
#self.print_lines(terminal.GetPrintTestLines())
def testNoBoards(self):
"""Test that buildman aborts when there are no boards"""
self._boards = board.Boards()
with self.assertRaises(SystemExit):
self._RunControl()
def testCurrentSource(self):
"""Very simple test to invoke buildman on the current source"""
self.setupToolchains();
self._RunControl('-o', self._output_dir)
lines = terminal.GetPrintTestLines()
self.assertIn('Building current source for %d boards' % len(boards),
lines[0].text)
def testBadBranch(self):
"""Test that we can detect an invalid branch"""
with self.assertRaises(ValueError):
self._RunControl('-b', 'badbranch')
def testBadToolchain(self):
"""Test that missing toolchains are detected"""
self.setupToolchains();
ret_code = self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
lines = terminal.GetPrintTestLines()
# Buildman always builds the upstream commit as well
self.assertIn('Building %d commits for %d boards' %
(self._commits, len(boards)), lines[0].text)
self.assertEqual(self._builder.count, self._total_builds)
# Only sandbox should succeed, the others don't have toolchains
self.assertEqual(self._builder.fail,
self._total_builds - self._commits)
self.assertEqual(ret_code, 100)
for commit in range(self._commits):
for board in self._boards.GetList():
if board.arch != 'sandbox':
errfile = self._builder.GetErrFile(commit, board.target)
fd = open(errfile)
self.assertEqual(fd.readlines(),
['No tool chain for %s\n' % board.arch])
fd.close()
def testBranch(self):
"""Test building a branch with all toolchains present"""
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 0)
def testCount(self):
"""Test building a specific number of commitst"""
self._RunControl('-b', TEST_BRANCH, '-c2', '-o', self._output_dir)
self.assertEqual(self._builder.count, 2 * len(boards))
self.assertEqual(self._builder.fail, 0)
# Each board has a config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (1 + 2))
def testIncremental(self):
"""Test building a branch twice - the second time should do nothing"""
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
# Each board has a mrproper, config, and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 1))
self._make_calls = 0
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir, clean_dir=False)
self.assertEqual(self._make_calls, 0)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 0)
def testForceBuild(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
self._make_calls = 0
self._RunControl('-b', TEST_BRANCH, '-f', '-o', self._output_dir, clean_dir=False)
# Each board has a config and one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 1))
def testForceReconfigure(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-C', '-o', self._output_dir)
# Each commit has a config and make
self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
def testForceReconfigure(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-C', '-o', self._output_dir)
# Each commit has a config and make
self.assertEqual(self._make_calls, len(boards) * self._commits * 2)
def testMrproper(self):
"""The -f flag should force a rebuild"""
self._RunControl('-b', TEST_BRANCH, '-m', '-o', self._output_dir)
# Each board has a mkproper, config and then one make per commit
self.assertEqual(self._make_calls, len(boards) * (self._commits + 2))
def testErrors(self):
"""Test handling of build errors"""
self._error['board2', 1] = 'fred\n'
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 1)
# Remove the error. This should have no effect since the commit will
# not be rebuilt
del self._error['board2', 1]
self._make_calls = 0
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir, clean_dir=False)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._make_calls, 0)
self.assertEqual(self._builder.fail, 1)
# Now use the -F flag to force rebuild of the bad commit
self._RunControl('-b', TEST_BRANCH, '-o', self._output_dir, '-F', clean_dir=False)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 0)
self.assertEqual(self._make_calls, 2)
def testBranchWithSlash(self):
"""Test building a branch with a '/' in the name"""
self._test_branch = '/__dev/__testbranch'
self._RunControl('-b', self._test_branch, clean_dir=False)
self.assertEqual(self._builder.count, self._total_builds)
self.assertEqual(self._builder.fail, 0)
def testEnvironment(self):
"""Test that the done and environment files are written to out-env"""
self._RunControl('-o', self._output_dir)
board0_dir = os.path.join(self._output_dir, 'current', 'board0')
self.assertTrue(os.path.exists(os.path.join(board0_dir, 'done')))
self.assertTrue(os.path.exists(os.path.join(board0_dir, 'out-env')))
def testEnvironmentUnicode(self):
"""Test there are no unicode errors when the env has non-ASCII chars"""
try:
varname = b'buildman_test_var'
os.environb[varname] = b'strange\x80chars'
self.assertEqual(0, self._RunControl('-o', self._output_dir))
board0_dir = os.path.join(self._output_dir, 'current', 'board0')
self.assertTrue(os.path.exists(os.path.join(board0_dir, 'done')))
self.assertTrue(os.path.exists(os.path.join(board0_dir, 'out-env')))
finally:
del os.environb[varname]
def testWorkInOutput(self):
"""Test the -w option which should write directly to the output dir"""
board_list = board.Boards()
board_list.AddBoard(board.Board(*boards[0]))
self._RunControl('-o', self._output_dir, '-w', clean_dir=False,
boards=board_list)
self.assertTrue(
os.path.exists(os.path.join(self._output_dir, 'u-boot')))
self.assertTrue(
os.path.exists(os.path.join(self._output_dir, 'done')))
self.assertTrue(
os.path.exists(os.path.join(self._output_dir, 'out-env')))
def testWorkInOutputFail(self):
"""Test the -w option failures"""
with self.assertRaises(SystemExit) as e:
self._RunControl('-o', self._output_dir, '-w', clean_dir=False)
self.assertIn("single board", str(e.exception))
self.assertFalse(
os.path.exists(os.path.join(self._output_dir, 'u-boot')))
board_list = board.Boards()
board_list.AddBoard(board.Board(*boards[0]))
with self.assertRaises(SystemExit) as e:
self._RunControl('-b', self._test_branch, '-o', self._output_dir,
'-w', clean_dir=False, boards=board_list)
self.assertIn("single commit", str(e.exception))
board_list = board.Boards()
board_list.AddBoard(board.Board(*boards[0]))
with self.assertRaises(SystemExit) as e:
self._RunControl('-w', clean_dir=False)
self.assertIn("specify -o", str(e.exception))
def testThreadExceptions(self):
"""Test that exceptions in threads are reported"""
with test_util.capture_sys_output() as (stdout, stderr):
self.assertEqual(102, self._RunControl('-o', self._output_dir,
test_thread_exceptions=True))
self.assertIn('Thread exception: test exception', stdout.getvalue())
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