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u-boot/tools/patman/func_test.py
Simon Glass fd70986a62 patman: Add a test that uses gitpython 
It is convenient to use gitpython to create a real git repo for testing
patman's operation. Add a test for this. So far it just checks that patman
produces the right number of patches for a branch.

Signed-off-by: Simon Glass <sjg@chromium.org>
2020-07-24 19:25:15 -06:00

437 lines
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Python
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# -*- coding: utf-8 -*-
# SPDX-License-Identifier: GPL-2.0+
#
# Copyright 2017 Google, Inc
#
import contextlib
import os
import re
import shutil
import sys
import tempfile
import unittest
from io import StringIO
from patman import control
from patman import gitutil
from patman import patchstream
from patman import settings
from patman import terminal
from patman import tools
from patman.test_util import capture_sys_output
try:
import pygit2
HAVE_PYGIT2= True
except ModuleNotFoundError:
HAVE_PYGIT2 = False
@contextlib.contextmanager
def capture():
oldout,olderr = sys.stdout, sys.stderr
try:
out=[StringIO(), StringIO()]
sys.stdout,sys.stderr = out
yield out
finally:
sys.stdout,sys.stderr = oldout, olderr
out[0] = out[0].getvalue()
out[1] = out[1].getvalue()
class TestFunctional(unittest.TestCase):
def setUp(self):
self.tmpdir = tempfile.mkdtemp(prefix='patman.')
self.gitdir = os.path.join(self.tmpdir, 'git')
self.repo = None
def tearDown(self):
shutil.rmtree(self.tmpdir)
@staticmethod
def GetPath(fname):
return os.path.join(os.path.dirname(os.path.realpath(sys.argv[0])),
'test', fname)
@classmethod
def GetText(self, fname):
return open(self.GetPath(fname), encoding='utf-8').read()
@classmethod
def GetPatchName(self, subject):
fname = re.sub('[ :]', '-', subject)
return fname.replace('--', '-')
def CreatePatchesForTest(self, series):
cover_fname = None
fname_list = []
for i, commit in enumerate(series.commits):
clean_subject = self.GetPatchName(commit.subject)
src_fname = '%04d-%s.patch' % (i + 1, clean_subject[:52])
fname = os.path.join(self.tmpdir, src_fname)
shutil.copy(self.GetPath(src_fname), fname)
fname_list.append(fname)
if series.get('cover'):
src_fname = '0000-cover-letter.patch'
cover_fname = os.path.join(self.tmpdir, src_fname)
fname = os.path.join(self.tmpdir, src_fname)
shutil.copy(self.GetPath(src_fname), fname)
return cover_fname, fname_list
def testBasic(self):
"""Tests the basic flow of patman
This creates a series from some hard-coded patches build from a simple
tree with the following metadata in the top commit:
Series-to: u-boot
Series-prefix: RFC
Series-cc: Stefan Brüns <stefan.bruens@rwth-aachen.de>
Cover-letter-cc: Lord Mëlchett <clergy@palace.gov>
Series-version: 3
Patch-cc: fred
Series-process-log: sort, uniq
Series-changes: 4
- Some changes
- Multi
line
change
Commit-changes: 2
- Changes only for this commit
Cover-changes: 4
- Some notes for the cover letter
Cover-letter:
test: A test patch series
This is a test of how the cover
letter
works
END
and this in the first commit:
Commit-changes: 2
- second revision change
Series-notes:
some notes
about some things
from the first commit
END
Commit-notes:
Some notes about
the first commit
END
with the following commands:
git log -n2 --reverse >/path/to/tools/patman/test/test01.txt
git format-patch --subject-prefix RFC --cover-letter HEAD~2
mv 00* /path/to/tools/patman/test
It checks these aspects:
- git log can be processed by patchstream
- emailing patches uses the correct command
- CC file has information on each commit
- cover letter has the expected text and subject
- each patch has the correct subject
- dry-run information prints out correctly
- unicode is handled correctly
- Series-to, Series-cc, Series-prefix, Cover-letter
- Cover-letter-cc, Series-version, Series-changes, Series-notes
- Commit-notes
"""
process_tags = True
ignore_bad_tags = True
stefan = b'Stefan Br\xc3\xbcns <stefan.bruens@rwth-aachen.de>'.decode('utf-8')
rick = 'Richard III <richard@palace.gov>'
mel = b'Lord M\xc3\xablchett <clergy@palace.gov>'.decode('utf-8')
ed = b'Lond Edmund Blackadd\xc3\xabr <weasel@blackadder.org'.decode('utf-8')
fred = 'Fred Bloggs <f.bloggs@napier.net>'
add_maintainers = [stefan, rick]
dry_run = True
in_reply_to = mel
count = 2
settings.alias = {
'fdt': ['simon'],
'u-boot': ['u-boot@lists.denx.de'],
'simon': [ed],
'fred': [fred],
}
text = self.GetText('test01.txt')
series = patchstream.GetMetaDataForTest(text)
cover_fname, args = self.CreatePatchesForTest(series)
with capture() as out:
patchstream.FixPatches(series, args)
if cover_fname and series.get('cover'):
patchstream.InsertCoverLetter(cover_fname, series, count)
series.DoChecks()
cc_file = series.MakeCcFile(process_tags, cover_fname,
not ignore_bad_tags, add_maintainers,
None)
cmd = gitutil.EmailPatches(series, cover_fname, args,
dry_run, not ignore_bad_tags, cc_file,
in_reply_to=in_reply_to, thread=None)
series.ShowActions(args, cmd, process_tags)
cc_lines = open(cc_file, encoding='utf-8').read().splitlines()
os.remove(cc_file)
lines = out[0].splitlines()
self.assertEqual('Cleaned %s patches' % len(series.commits), lines[0])
self.assertEqual('Change log missing for v2', lines[1])
self.assertEqual('Change log missing for v3', lines[2])
self.assertEqual('Change log for unknown version v4', lines[3])
self.assertEqual("Alias 'pci' not found", lines[4])
self.assertIn('Dry run', lines[5])
self.assertIn('Send a total of %d patches' % count, lines[7])
line = 8
for i, commit in enumerate(series.commits):
self.assertEqual(' %s' % args[i], lines[line + 0])
line += 1
while 'Cc:' in lines[line]:
line += 1
self.assertEqual('To: u-boot@lists.denx.de', lines[line])
self.assertEqual('Cc: %s' % tools.FromUnicode(stefan),
lines[line + 1])
self.assertEqual('Version: 3', lines[line + 2])
self.assertEqual('Prefix:\t RFC', lines[line + 3])
self.assertEqual('Cover: 4 lines', lines[line + 4])
line += 5
self.assertEqual(' Cc: %s' % fred, lines[line + 0])
self.assertEqual(' Cc: %s' % tools.FromUnicode(ed),
lines[line + 1])
self.assertEqual(' Cc: %s' % tools.FromUnicode(mel),
lines[line + 2])
self.assertEqual(' Cc: %s' % rick, lines[line + 3])
expected = ('Git command: git send-email --annotate '
'--in-reply-to="%s" --to "u-boot@lists.denx.de" '
'--cc "%s" --cc-cmd "%s --cc-cmd %s" %s %s'
% (in_reply_to, stefan, sys.argv[0], cc_file, cover_fname,
' '.join(args)))
line += 4
self.assertEqual(expected, tools.ToUnicode(lines[line]))
self.assertEqual(('%s %s\0%s' % (args[0], rick, stefan)),
tools.ToUnicode(cc_lines[0]))
self.assertEqual(('%s %s\0%s\0%s\0%s' % (args[1], fred, ed, rick,
stefan)), tools.ToUnicode(cc_lines[1]))
expected = '''
This is a test of how the cover
letter
works
some notes
about some things
from the first commit
Changes in v4:
- Multi
line
change
- Some changes
- Some notes for the cover letter
Simon Glass (2):
pci: Correct cast for sandbox
fdt: Correct cast for sandbox in fdtdec_setup_mem_size_base()
cmd/pci.c | 3 ++-
fs/fat/fat.c | 1 +
lib/efi_loader/efi_memory.c | 1 +
lib/fdtdec.c | 3 ++-
4 files changed, 6 insertions(+), 2 deletions(-)
--\x20
2.7.4
'''
lines = open(cover_fname, encoding='utf-8').read().splitlines()
self.assertEqual(
'Subject: [RFC PATCH v3 0/2] test: A test patch series',
lines[3])
self.assertEqual(expected.splitlines(), lines[7:])
for i, fname in enumerate(args):
lines = open(fname, encoding='utf-8').read().splitlines()
subject = [line for line in lines if line.startswith('Subject')]
self.assertEqual('Subject: [RFC %d/%d]' % (i + 1, count),
subject[0][:18])
# Check that we got our commit notes
start = 0
expected = ''
if i == 0:
start = 17
expected = '''---
Some notes about
the first commit
(no changes since v2)
Changes in v2:
- second revision change'''
elif i == 1:
start = 17
expected = '''---
Changes in v4:
- Multi
line
change
- Some changes
Changes in v2:
- Changes only for this commit'''
if expected:
expected = expected.splitlines()
self.assertEqual(expected, lines[start:(start+len(expected))])
def make_commit_with_file(self, subject, body, fname, text):
"""Create a file and add it to the git repo with a new commit
Args:
subject (str): Subject for the commit
body (str): Body text of the commit
fname (str): Filename of file to create
text (str): Text to put into the file
"""
path = os.path.join(self.gitdir, fname)
tools.WriteFile(path, text, binary=False)
index = self.repo.index
index.add(fname)
author = pygit2.Signature('Test user', 'test@email.com')
committer = author
tree = index.write_tree()
message = subject + '\n' + body
self.repo.create_commit('HEAD', author, committer, message, tree,
[self.repo.head.target])
def make_git_tree(self):
"""Make a simple git tree suitable for testing
It has three branches:
'base' has two commits: PCI, main
'first' has base as upstream and two more commits: I2C, SPI
'second' has base as upstream and three more: video, serial, bootm
Returns:
pygit2 repository
"""
repo = pygit2.init_repository(self.gitdir)
self.repo = repo
new_tree = repo.TreeBuilder().write()
author = pygit2.Signature('Test user', 'test@email.com')
committer = author
commit = repo.create_commit('HEAD', author, committer,
'Created master', new_tree, [])
self.make_commit_with_file('Initial commit', '''
Add a README
''', 'README', '''This is the README file
describing this project
in very little detail''')
self.make_commit_with_file('pci: PCI implementation', '''
Here is a basic PCI implementation
''', 'pci.c', '''This is a file
it has some contents
and some more things''')
self.make_commit_with_file('main: Main program', '''
Hello here is the second commit.
''', 'main.c', '''This is the main file
there is very little here
but we can always add more later
if we want to
Series-to: u-boot
Series-cc: Barry Crump <bcrump@whataroa.nz>
''')
base_target = repo.revparse_single('HEAD')
self.make_commit_with_file('i2c: I2C things', '''
This has some stuff to do with I2C
''', 'i2c.c', '''And this is the file contents
with some I2C-related things in it''')
self.make_commit_with_file('spi: SPI fixes', '''
SPI needs some fixes
and here they are
''', 'spi.c', '''Some fixes for SPI in this
file to make SPI work
better than before''')
first_target = repo.revparse_single('HEAD')
target = repo.revparse_single('HEAD~2')
repo.reset(target.oid, pygit2.GIT_CHECKOUT_FORCE)
self.make_commit_with_file('video: Some video improvements', '''
Fix up the video so that
it looks more purple. Purple is
a very nice colour.
''', 'video.c', '''More purple here
Purple and purple
Even more purple
Could not be any more purple''')
self.make_commit_with_file('serial: Add a serial driver', '''
Here is the serial driver
for my chip.
Cover-letter:
Series for my board
This series implements support
for my glorious board.
END
''', 'serial.c', '''The code for the
serial driver is here''')
self.make_commit_with_file('bootm: Make it boot', '''
This makes my board boot
with a fix to the bootm
command
''', 'bootm.c', '''Fix up the bootm
command to make the code as
complicated as possible''')
second_target = repo.revparse_single('HEAD')
repo.branches.local.create('first', first_target)
repo.config.set_multivar('branch.first.remote', '', '.')
repo.config.set_multivar('branch.first.merge', '', 'refs/heads/base')
repo.branches.local.create('second', second_target)
repo.config.set_multivar('branch.second.remote', '', '.')
repo.config.set_multivar('branch.second.merge', '', 'refs/heads/base')
repo.branches.local.create('base', base_target)
return repo
@unittest.skipIf(not HAVE_PYGIT2, 'Missing python3-pygit2')
def testBranch(self):
"""Test creating patches from a branch"""
repo = self.make_git_tree()
target = repo.lookup_reference('refs/heads/first')
self.repo.checkout(target, strategy=pygit2.GIT_CHECKOUT_FORCE)
control.setup()
try:
orig_dir = os.getcwd()
os.chdir(self.gitdir)
# Check that it can detect the current branch
self.assertEqual(2, gitutil.CountCommitsToBranch())
col = terminal.Color()
with capture_sys_output() as _:
_, cover_fname, patch_files = control.prepare_patches(
col, count=-1, start=0, ignore_binary=False)
self.assertIsNone(cover_fname)
self.assertEqual(2, len(patch_files))
finally:
os.chdir(orig_dir)
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