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# pylint: disable=protected-access
import os
import re
import tempfile
import time
import pytest
from apt_listchanges.ALCSeenDb import DbError, SeenDb
from apt_listchanges.DebianFiles import ChangelogEntry
def test_corrupt_db():
with pytest.raises(DbError):
SeenDb('/dev/null')
def test_read_write_db():
with tempfile.NamedTemporaryFile(prefix='test_read_write_db') as file_obj:
os.unlink(file_obj.name)
seen_db = SeenDb(file_obj.name)
entry = ChangelogEntry('foo (1.0-1) unstable; urgency=low',
'/usr/share/doc/foo/changelog.Debian.gz',
'foo', 'foo', '1.0-1', 'low')
entry.add_content(' Here is some content.\n')
entry.set_trailer(' -- Nice Guy <example@example.com> '
'Thu, 01 Jan 1970 00:00:00 -0000\n')
seen_db.add(entry)
seen_db.apply_changes()
seen_db = SeenDb(file_obj.name)
assert seen_db.seen_here(entry)
os.unlink(f'{file_obj.name}-old')
def test_no_source():
seen_db = SeenDb()
entry = ChangelogEntry('foo (1.0-1) unstable; urgency=low',
'/usr/share/doc/foo/changelog.Debian.gz',
'foo', 'foo', '1.0-1', 'low')
entry.add_content(' Here is some content.\n')
entry.set_trailer(' -- Nice Guy <example@example.com> '
'Thu, 01 Jan 1970 00:00:00 -0000\n')
assert not seen_db.seen_anywhere(entry, exact=False)
def test_dump(capsys):
seen_db = SeenDb()
entry = ChangelogEntry('foo (1.0-1) unstable; urgency=low',
'/usr/share/doc/foo/changelog.Debian.gz',
'foo', 'foo', '1.0-1', 'low')
entry.add_content(' Here is some content.\n')
entry.set_trailer(' -- Nice Guy <example@example.com> '
'Thu, 01 Jan 1970 00:00:00 -0000\n')
seen_db.add(entry)
seen_db.dump()
captured = capsys.readouterr()
print("DUMP OUTPUT:")
print(captured.out)
assert re.search(r'packages:\n foo \d+ \(\d+-\d+-\d+\)\n', captured.out)
assert re.search(r'exact checksums:\n'
r' /usr/share/doc/foo/changelog\.Debian\.gz:\n'
r' \S+ \d+ \(\d+-\d+-\d+\)\n', captured.out)
assert re.search(r'similar checksums:\n'
r' /usr/share/doc/foo/changelog.Debian.gz:\n'
r' \S+ \d+ \(\d+-\d+-\d+\)\n', captured.out)
def replace_timestamp(d, timestamp):
for key, value in d.items():
if isinstance(value, dict):
replace_timestamp(value, timestamp)
else:
d[key] = timestamp
def test_expire_old():
seen_db = SeenDb()
seen_db.add_package('foo')
entry = ChangelogEntry('foo (1.0-1) unstable; urgency=low',
'/usr/share/doc/foo/changelog.Debian.gz',
'foo', 'foo', '1.0-1', 'low')
entry.add_content(' Here is some content.\n')
entry.set_trailer(' -- Nice Guy <example@example.com> '
'Thu, 01 Jan 1970 00:00:00 -0000\n')
seen_db.add(entry)
# Gotta muck around inside the seen DB for this test, alas.
old = time.time() - 365 * 4
replace_timestamp(seen_db._d.similar, old)
replace_timestamp(seen_db._d.exact, old)
replace_timestamp(seen_db._d.packages, old)
assert (seen_db.has_package('foo') and
seen_db.seen_anywhere(entry) and
seen_db.seen_anywhere(entry, exact=False))
seen_db._expire_old()
assert not (seen_db.has_package('foo') or
seen_db.seen_anywhere(entry) or
seen_db.seen_anywhere(entry, exact=False))
def test_initial_save():
with tempfile.NamedTemporaryFile(prefix='test_initial_save') as f:
os.unlink(f.name)
seen_db = SeenDb(f.name)
seen_db.add_package('foo')
seen_db.apply_changes()
os.unlink(f'{f.name}-old')
def test_update_preserves_changes():
with tempfile.NamedTemporaryFile(prefix='test_update_preserves_changes') \
as f:
os.unlink(f.name)
seen_db = SeenDb(f.name)
seen_db.add_package('foo')
seen_db.apply_changes()
seen_db = SeenDb(f.name)
seen_db.add_package('bar')
seen_db.apply_changes()
os.unlink(f'{f.name}-old')
seen_db = SeenDb(f.name)
assert seen_db.has_package('foo')
assert seen_db.has_package('bar')
def test_save_as():
with tempfile.NamedTemporaryFile(prefix='test_save_as1') as f1, \
tempfile.NamedTemporaryFile(prefix='test_save_as2') as f2:
os.unlink(f1.name)
os.unlink(f2.name)
seen_db = SeenDb(f1.name)
seen_db.add_package('foo')
seen_db.apply_changes()
os.unlink(f'{f1.name}-old')
seen_db.add_package('bar')
seen_db.save_as(f2.name)
seen_db = SeenDb(f1.name)
assert seen_db.has_package('foo')
assert not seen_db.has_package('bar')
seen_db = SeenDb(f2.name)
assert seen_db.has_package('foo')
assert seen_db.has_package('bar')
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