[git-cache] / test_git_cache.py

import os.path
import tempfile
import shutil
import subprocess
import unittest

from typing import Optional

import git_cache


def _setenv(var: str, value: Optional[str]) -> None:
    if value is None:
        del os.environ[var]
    else:
        os.environ[var] = value


def _git(directory: str, *args: str) -> bytes:
    p = subprocess.run(['git', '-C', directory] + list(args),
                       stdout=subprocess.PIPE, check=True)
    return bytes(p.stdout)


def _commit_file(
        directory: str,
        filename: str,
        contents: str,
        commit_message: str) -> None:
    with open(os.path.join(directory, filename), 'w') as f:
        f.write(contents)
    _git(directory, 'add', filename)
    _git(directory, 'commit', '-m', commit_message)


# pylint: disable=too-many-public-methods
class TestGitCache(unittest.TestCase):

    def setUp(self) -> None:
        self.xdgcache = tempfile.TemporaryDirectory(
            prefix='git_cache_test-cache-')
        self.xdgdata = tempfile.TemporaryDirectory(
            prefix='git_cache_test-data-')
        self.old_XDG_CACHE_HOME = os.environ.get('XDG_CACHE_HOME')
        self.old_XDG_DATA_HOME = os.environ.get('XDG_DATA_HOME')
        _setenv('XDG_CACHE_HOME', self.xdgcache.name)
        _setenv('XDG_DATA_HOME', self.xdgdata.name)

        os.environ['GIT_AUTHOR_NAME'] = 'test_git_cache'
        os.environ['GIT_COMMITTER_NAME'] = 'test_git_cache'
        os.environ['GIT_AUTHOR_EMAIL'] = 'test_git_cache@example.com'
        os.environ['GIT_COMMITTER_EMAIL'] = 'test_git_cache@example.com'

        os.environ['BACKOFF_MAX_TIME'] = '0'
        os.environ['FORCE_WARNING_TIME'] = '0'  # ONLY FOR TEST USE!

        self.tempdir = tempfile.TemporaryDirectory(prefix='git_cache_test-')
        self.upstream = os.path.join(self.tempdir.name, 'upstream')
        subprocess.run(['git', 'init', self.upstream], check=True)
        _commit_file(self.upstream, 'file', 'Contents', 'First commit')

    def tearDown(self) -> None:
        _setenv('XDG_CACHE_HOME', self.old_XDG_CACHE_HOME)
        _setenv('XDG_DATA_HOME', self.old_XDG_DATA_HOME)

        self.tempdir.cleanup()
        self.xdgcache.cleanup()

    def test_fetch(self) -> None:
        d, rev = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(_git(d, 'show', '%s:file' % rev), b'Contents')

    def test_fetch_twice(self) -> None:
        d1, rev1 = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(_git(d1, 'show', '%s:file' % rev1), b'Contents')
        d2, rev2 = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(d1, d2)
        self.assertEqual(rev1, rev2)
        self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')

    def test_fetch_then_ensure(self) -> None:
        d1, rev = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(_git(d1, 'show', '%s:file' % rev), b'Contents')
        d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
        self.assertEqual(d1, d2)
        self.assertEqual(_git(d2, 'show', '%s:file' % rev), b'Contents')

    def test_ensure_then_fetch(self) -> None:
        rev1 = _git(
            self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        d1 = git_cache.ensure_rev_available(self.upstream, 'master', rev1)
        self.assertEqual(_git(d1, 'show', '%s:file' % rev1), b'Contents')
        d2, rev2 = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(d1, d2)
        self.assertEqual(rev1, rev2)
        self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')

    def test_fetch_new_file(self) -> None:
        d1, rev1 = git_cache.fetch(self.upstream, 'master')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        d2, rev2 = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(d1, d2)
        self.assertNotEqual(rev1, rev2)
        self.assertEqual(_git(d2, 'show', '%s:foofile' % rev2), b'foo')

    def test_ensure_doesnt_fetch_new_file(self) -> None:
        d1, rev1 = git_cache.fetch(self.upstream, 'master')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        rev2 = _git(
            self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        self.assertNotEqual(rev1, rev2)
        d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev1)
        self.assertEqual(d1, d2)
        p = subprocess.run(
            ['git', '-C', d2, 'show', '%s:foofile' % rev2], check=False)
        self.assertNotEqual(p.returncode, 0)

    def test_ensure_doesnt_fetch_from_deleted_upstream(self) -> None:
        d1, rev = git_cache.fetch(self.upstream, 'master')
        self.tempdir.cleanup()
        d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
        self.assertEqual(d1, d2)

    def test_ensure_fetches_new_file(self) -> None:
        d1, rev1 = git_cache.fetch(self.upstream, 'master')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        rev2 = _git(
            self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        self.assertNotEqual(rev1, rev2)
        d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev2)
        self.assertEqual(d1, d2)
        self.assertEqual(_git(d2, 'show', '%s:foofile' % rev2), b'foo')

    def test_fetch_raises_on_invalid_repo(self) -> None:
        self.tempdir.cleanup()
        with self.assertRaises(Exception):
            git_cache.fetch(self.upstream, 'master')

    def test_ensure_raises_on_invalid_repo(self) -> None:
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        self.tempdir.cleanup()
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(self.upstream, 'master', rev)

    def test_fetch_raises_on_invalid_ref(self) -> None:
        with self.assertRaises(Exception):
            git_cache.fetch(self.upstream, 'nobranch')

    def test_ensure_raises_on_invalid_ref(self) -> None:
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(self.upstream, 'nobranch', rev)

    def test_ensure_raises_on_invalid_rev(self) -> None:
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(
                self.upstream,
                'nobranch',
                '1234567890abcdef01234567890abcdef1234567')

    def test_ensure_raises_on_rev_from_other_branch(self) -> None:
        _git(self.upstream, 'checkout', '-b', 'otherbranch')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(self.upstream, 'master', rev)

    def test_ensure_other_branch(self) -> None:
        _git(self.upstream, 'checkout', '-b', 'otherbranch')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        d = git_cache.ensure_rev_available(self.upstream, 'otherbranch', rev)
        self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')

    def test_catch_up(self) -> None:
        _git(self.upstream, 'checkout', '-b', 'otherbranch')
        _commit_file(self.upstream, 'foofile', 'foo', 'Foo')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        d = git_cache.ensure_rev_available(self.upstream, 'otherbranch', rev)
        self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')
        _git(self.upstream, 'checkout', 'master')
        _git(self.upstream, 'merge', '--ff-only', 'otherbranch')
        d = git_cache.ensure_rev_available(self.upstream, 'master', rev)
        self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')

    def test_fetch_after_cache_deleted(self) -> None:
        d1, rev1 = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d1)
        d2, rev2 = git_cache.fetch(self.upstream, 'master')
        self.assertEqual(d1, d2)
        self.assertEqual(rev1, rev2)
        self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')

    def test_ensure_after_cache_deleted(self) -> None:
        d1, rev = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d1)
        d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
        self.assertEqual(d1, d2)
        self.assertEqual(_git(d2, 'show', '%s:file' % rev), b'Contents')

    def test_fetch_raises_on_amend(self) -> None:
        git_cache.fetch(self.upstream, 'master')
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        with self.assertRaises(Exception):
            git_cache.fetch(self.upstream, 'master')

    def test_ensure_raises_on_amend(self) -> None:
        git_cache.fetch(self.upstream, 'master')
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(self.upstream, 'master', rev)

    def test_fetch_raises_on_amend_after_cache_deleted(self) -> None:
        d, _ = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d)
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        with self.assertRaises(Exception):
            git_cache.fetch(self.upstream, 'master')

    def test_ensure_raises_on_amend_after_cache_deleted(self) -> None:
        d, _ = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d)
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        with self.assertRaises(Exception):
            git_cache.ensure_rev_available(self.upstream, 'master', rev)

    def test_force_fetch_after_amend(self) -> None:
        git_cache.fetch(self.upstream, 'master')
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        git_cache.fetch(self.upstream, 'master', force=True)

    def test_force_ensure_after_amend(self) -> None:
        git_cache.fetch(self.upstream, 'master')
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        git_cache.ensure_rev_available(
            self.upstream, 'master', rev, force=True)

    def test_force_fetch_after_amend_and_cache_delete(self) -> None:
        d, _ = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d)
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        git_cache.fetch(self.upstream, 'master', force=True)

    def test_force_ensure_after_amend_and_cache_delete(self) -> None:
        d, _ = git_cache.fetch(self.upstream, 'master')
        shutil.rmtree(d)
        _git(self.upstream, 'commit', '--amend', '-m', 'Amended')
        rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
        git_cache.ensure_rev_available(
            self.upstream, 'master', rev, force=True)


if __name__ == '__main__':
    unittest.main()
Commit	Line	Data
bef7ce53 SW	1	import os.path
	2	import tempfile
	3	import shutil
	4	import subprocess
	5	import unittest
	6
8d251eca SW	7	from typing import Optional
8d251eca SW	8
bef7ce53 SW	9	import git_cache
	10
	11
8d251eca SW	12	def _setenv(var: str, value: Optional[str]) -> None:
	13	if value is None:
	14	del os.environ[var]
	15	else:
	16	os.environ[var] = value
	17
	18
bef7ce53 SW	19	def _git(directory: str, *args: str) -> bytes:
	20	p = subprocess.run(['git', '-C', directory] + list(args),
	21	stdout=subprocess.PIPE, check=True)
5dd71f12	22	return bytes(p.stdout)
bef7ce53 SW	23
	24
	25	def _commit_file(
	26	directory: str,
	27	filename: str,
	28	contents: str,
	29	commit_message: str) -> None:
	30	with open(os.path.join(directory, filename), 'w') as f:
	31	f.write(contents)
	32	_git(directory, 'add', filename)
	33	_git(directory, 'commit', '-m', commit_message)
	34
	35
	36	# pylint: disable=too-many-public-methods
	37	class TestGitCache(unittest.TestCase):
	38
	39	def setUp(self) -> None:
35000f72 SW	40	self.xdgcache = tempfile.TemporaryDirectory(
	41	prefix='git_cache_test-cache-')
	42	self.xdgdata = tempfile.TemporaryDirectory(
	43	prefix='git_cache_test-data-')
bef7ce53	44	self.old_XDG_CACHE_HOME = os.environ.get('XDG_CACHE_HOME')
35000f72	45	self.old_XDG_DATA_HOME = os.environ.get('XDG_DATA_HOME')
8d251eca	46	_setenv('XDG_CACHE_HOME', self.xdgcache.name)
35000f72	47	_setenv('XDG_DATA_HOME', self.xdgdata.name)
bef7ce53 SW	48
	49	os.environ['GIT_AUTHOR_NAME'] = 'test_git_cache'
	50	os.environ['GIT_COMMITTER_NAME'] = 'test_git_cache'
	51	os.environ['GIT_AUTHOR_EMAIL'] = 'test_git_cache@example.com'
	52	os.environ['GIT_COMMITTER_EMAIL'] = 'test_git_cache@example.com'
	53
f36d5c6f	54	os.environ['BACKOFF_MAX_TIME'] = '0'
083b90e7	55	os.environ['FORCE_WARNING_TIME'] = '0' # ONLY FOR TEST USE!
f36d5c6f	56
bef7ce53 SW	57	self.tempdir = tempfile.TemporaryDirectory(prefix='git_cache_test-')
	58	self.upstream = os.path.join(self.tempdir.name, 'upstream')
	59	subprocess.run(['git', 'init', self.upstream], check=True)
	60	_commit_file(self.upstream, 'file', 'Contents', 'First commit')
	61
	62	def tearDown(self) -> None:
8d251eca	63	_setenv('XDG_CACHE_HOME', self.old_XDG_CACHE_HOME)
35000f72	64	_setenv('XDG_DATA_HOME', self.old_XDG_DATA_HOME)
bef7ce53 SW	65
	66	self.tempdir.cleanup()
	67	self.xdgcache.cleanup()
	68
	69	def test_fetch(self) -> None:
	70	d, rev = git_cache.fetch(self.upstream, 'master')
	71	self.assertEqual(_git(d, 'show', '%s:file' % rev), b'Contents')
	72
	73	def test_fetch_twice(self) -> None:
	74	d1, rev1 = git_cache.fetch(self.upstream, 'master')
	75	self.assertEqual(_git(d1, 'show', '%s:file' % rev1), b'Contents')
	76	d2, rev2 = git_cache.fetch(self.upstream, 'master')
	77	self.assertEqual(d1, d2)
	78	self.assertEqual(rev1, rev2)
	79	self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')
	80
	81	def test_fetch_then_ensure(self) -> None:
	82	d1, rev = git_cache.fetch(self.upstream, 'master')
	83	self.assertEqual(_git(d1, 'show', '%s:file' % rev), b'Contents')
	84	d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
	85	self.assertEqual(d1, d2)
	86	self.assertEqual(_git(d2, 'show', '%s:file' % rev), b'Contents')
	87
	88	def test_ensure_then_fetch(self) -> None:
	89	rev1 = _git(
	90	self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	91	d1 = git_cache.ensure_rev_available(self.upstream, 'master', rev1)
	92	self.assertEqual(_git(d1, 'show', '%s:file' % rev1), b'Contents')
	93	d2, rev2 = git_cache.fetch(self.upstream, 'master')
	94	self.assertEqual(d1, d2)
	95	self.assertEqual(rev1, rev2)
	96	self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')
	97
	98	def test_fetch_new_file(self) -> None:
	99	d1, rev1 = git_cache.fetch(self.upstream, 'master')
	100	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
	101	d2, rev2 = git_cache.fetch(self.upstream, 'master')
	102	self.assertEqual(d1, d2)
	103	self.assertNotEqual(rev1, rev2)
	104	self.assertEqual(_git(d2, 'show', '%s:foofile' % rev2), b'foo')
	105
	106	def test_ensure_doesnt_fetch_new_file(self) -> None:
	107	d1, rev1 = git_cache.fetch(self.upstream, 'master')
	108	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
	109	rev2 = _git(
	110	self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	111	self.assertNotEqual(rev1, rev2)
	112	d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev1)
	113	self.assertEqual(d1, d2)
	114	p = subprocess.run(
	115	['git', '-C', d2, 'show', '%s:foofile' % rev2], check=False)
	116	self.assertNotEqual(p.returncode, 0)
	117
	118	def test_ensure_doesnt_fetch_from_deleted_upstream(self) -> None:
	119	d1, rev = git_cache.fetch(self.upstream, 'master')
	120	self.tempdir.cleanup()
	121	d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
	122	self.assertEqual(d1, d2)
	123
	124	def test_ensure_fetches_new_file(self) -> None:
	125	d1, rev1 = git_cache.fetch(self.upstream, 'master')
	126	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
	127	rev2 = _git(
	128	self.upstream, 'log', '--format=%H', '-n1').strip().decode()
129	self.assertNotEqual(rev1, rev2)
130	d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev2)
131	self.assertEqual(d1, d2)
132	self.assertEqual(_git(d2, 'show', '%s:foofile' % rev2), b'foo')
133
134	def test_fetch_raises_on_invalid_repo(self) -> None:
135	self.tempdir.cleanup()
136	with self.assertRaises(Exception):
137	git_cache.fetch(self.upstream, 'master')
138
139	def test_ensure_raises_on_invalid_repo(self) -> None:
140	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
141	self.tempdir.cleanup()
142	with self.assertRaises(Exception):
143	git_cache.ensure_rev_available(self.upstream, 'master', rev)
144
145	def test_fetch_raises_on_invalid_ref(self) -> None:
146	with self.assertRaises(Exception):
147	git_cache.fetch(self.upstream, 'nobranch')
148
149	def test_ensure_raises_on_invalid_ref(self) -> None:
150	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
151	with self.assertRaises(Exception):
152	git_cache.ensure_rev_available(self.upstream, 'nobranch', rev)
153
154	def test_ensure_raises_on_invalid_rev(self) -> None:
155	with self.assertRaises(Exception):
156	git_cache.ensure_rev_available(
157	self.upstream,
158	'nobranch',
159	'1234567890abcdef01234567890abcdef1234567')
160
161	def test_ensure_raises_on_rev_from_other_branch(self) -> None:
162	_git(self.upstream, 'checkout', '-b', 'otherbranch')
163	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
164	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
165	with self.assertRaises(Exception):
166	git_cache.ensure_rev_available(self.upstream, 'master', rev)
167
168	def test_ensure_other_branch(self) -> None:
169	_git(self.upstream, 'checkout', '-b', 'otherbranch')
170	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
171	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
172	d = git_cache.ensure_rev_available(self.upstream, 'otherbranch', rev)
173	self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')
174
eb638847 SW	175	def test_catch_up(self) -> None:
	176	_git(self.upstream, 'checkout', '-b', 'otherbranch')
	177	_commit_file(self.upstream, 'foofile', 'foo', 'Foo')
	178	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	179	d = git_cache.ensure_rev_available(self.upstream, 'otherbranch', rev)
	180	self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')
	181	_git(self.upstream, 'checkout', 'master')
	182	_git(self.upstream, 'merge', '--ff-only', 'otherbranch')
	183	d = git_cache.ensure_rev_available(self.upstream, 'master', rev)
	184	self.assertEqual(_git(d, 'show', '%s:foofile' % rev), b'foo')
	185
bef7ce53 SW	186	def test_fetch_after_cache_deleted(self) -> None:
	187	d1, rev1 = git_cache.fetch(self.upstream, 'master')
	188	shutil.rmtree(d1)
	189	d2, rev2 = git_cache.fetch(self.upstream, 'master')
	190	self.assertEqual(d1, d2)
	191	self.assertEqual(rev1, rev2)
	192	self.assertEqual(_git(d2, 'show', '%s:file' % rev2), b'Contents')
	193
	194	def test_ensure_after_cache_deleted(self) -> None:
	195	d1, rev = git_cache.fetch(self.upstream, 'master')
	196	shutil.rmtree(d1)
	197	d2 = git_cache.ensure_rev_available(self.upstream, 'master', rev)
	198	self.assertEqual(d1, d2)
	199	self.assertEqual(_git(d2, 'show', '%s:file' % rev), b'Contents')
	200
	201	def test_fetch_raises_on_amend(self) -> None:
	202	git_cache.fetch(self.upstream, 'master')
	203	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	204	with self.assertRaises(Exception):
	205	git_cache.fetch(self.upstream, 'master')
	206
	207	def test_ensure_raises_on_amend(self) -> None:
	208	git_cache.fetch(self.upstream, 'master')
	209	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	210	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	211	with self.assertRaises(Exception):
	212	git_cache.ensure_rev_available(self.upstream, 'master', rev)
	213
35000f72 SW	214	def test_fetch_raises_on_amend_after_cache_deleted(self) -> None:
	215	d, _ = git_cache.fetch(self.upstream, 'master')
	216	shutil.rmtree(d)
	217	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	218	with self.assertRaises(Exception):
	219	git_cache.fetch(self.upstream, 'master')
	220
	221	def test_ensure_raises_on_amend_after_cache_deleted(self) -> None:
	222	d, _ = git_cache.fetch(self.upstream, 'master')
	223	shutil.rmtree(d)
	224	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	225	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	226	with self.assertRaises(Exception):
	227	git_cache.ensure_rev_available(self.upstream, 'master', rev)
	228
083b90e7 SW	229	def test_force_fetch_after_amend(self) -> None:
	230	git_cache.fetch(self.upstream, 'master')
	231	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	232	git_cache.fetch(self.upstream, 'master', force=True)
	233
	234	def test_force_ensure_after_amend(self) -> None:
	235	git_cache.fetch(self.upstream, 'master')
	236	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	237	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	238	git_cache.ensure_rev_available(
	239	self.upstream, 'master', rev, force=True)
	240
	241	def test_force_fetch_after_amend_and_cache_delete(self) -> None:
	242	d, _ = git_cache.fetch(self.upstream, 'master')
	243	shutil.rmtree(d)
	244	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	245	git_cache.fetch(self.upstream, 'master', force=True)
	246
	247	def test_force_ensure_after_amend_and_cache_delete(self) -> None:
	248	d, _ = git_cache.fetch(self.upstream, 'master')
	249	shutil.rmtree(d)
	250	_git(self.upstream, 'commit', '--amend', '-m', 'Amended')
	251	rev = _git(self.upstream, 'log', '--format=%H', '-n1').strip().decode()
	252	git_cache.ensure_rev_available(
	253	self.upstream, 'master', rev, force=True)
	254
bef7ce53 SW	255
	256	if __name__ == '__main__':
	257	unittest.main()