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test_git.py
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799 lines (672 loc) · 34.7 KB
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# Copyright (C) 2008, 2009 Michael Trier (mtrier@gmail.com) and contributors
#
# This module is part of GitPython and is released under the
# 3-Clause BSD License: https://opensource.org/license/bsd-3-clause/
importcontextlib
importgc
importinspect
importlogging
importos
importos.pathasosp
frompathlibimportPath
importpickle
importre
importshutil
importsubprocess
importsys
importtempfile
fromunittestimportskipUnless
ifsys.version_info>= (3,8):
fromunittestimportmock
else:
importmock# To be able to examine call_args.kwargs on a mock.
importddt
fromgitimportGit,GitCommandError,GitCommandNotFound,Repo,cmd,refresh
fromgit.utilimportcwd,finalize_process
fromtest.libimportTestBase,fixture_path,with_rw_directory
@contextlib.contextmanager
def_patch_out_env(name):
try:
old_value=os.environ[name]
exceptKeyError:
old_value=None
else:
delos.environ[name]
try:
yield
finally:
ifold_valueisnotNone:
os.environ[name]=old_value
@contextlib.contextmanager
def_rollback_refresh():
old_git_executable=Git.GIT_PYTHON_GIT_EXECUTABLE
ifold_git_executableisNone:
raiseRuntimeError("no executable string (need initial refresh before test)")
try:
yieldold_git_executable# Provide the old value for convenience.
finally:
# The cleanup refresh should always raise an exception if it fails, since if it
# fails then previously discovered test results could be misleading and, more
# importantly, subsequent tests may be unable to run or give misleading results.
# So pre-set a non-None value, so that the cleanup will be a "second" refresh.
# This covers cases where a test has set it to None to test a "first" refresh.
Git.GIT_PYTHON_GIT_EXECUTABLE=Git.git_exec_name
# Do the cleanup refresh. This sets Git.GIT_PYTHON_GIT_EXECUTABLE to old_value
# in most cases. The reason to call it is to achieve other associated state
# changes as well, which include updating attributes of the FetchInfo class.
refresh()
@contextlib.contextmanager
def_fake_git(*version_info):
fake_version=".".join(map(str,version_info))
fake_output=f"git version{fake_version} (fake)"
withtempfile.TemporaryDirectory()astdir:
ifsys.platform=="win32":
fake_git=Path(tdir,"fake-git.cmd")
script=f"@echo{fake_output}\n"
fake_git.write_text(script,encoding="utf-8")
else:
fake_git=Path(tdir,"fake-git")
script=f"#!/bin/sh\necho '{fake_output}'\n"
fake_git.write_text(script,encoding="utf-8")
fake_git.chmod(0o755)
yieldstr(fake_git.absolute())
def_rename_with_stem(path,new_stem):
ifsys.version_info>= (3,9):
path.rename(path.with_stem(new_stem))
else:
path.rename(path.with_name(new_stem+path.suffix))
@ddt.ddt
classTestGit(TestBase):
@classmethod
defsetUpClass(cls):
super().setUpClass()
cls.git=Git(cls.rorepo.working_dir)
deftearDown(self):
gc.collect()
def_assert_logged_for_popen(self,log_watcher,name,value):
re_name=re.escape(name)
re_value=re.escape(str(value))
re_line=re.compile(rf"DEBUG:git.cmd:Popen\(.*\b{re_name}={re_value}[,)]")
match_attempts= [re_line.match(message)formessageinlog_watcher.output]
self.assertTrue(any(match_attempts),repr(log_watcher.output))
@mock.patch.object(Git,"execute")
deftest_call_process_calls_execute(self,git):
git.return_value=""
self.git.version()
self.assertTrue(git.called)
self.assertEqual(git.call_args, ((["git","version"],), {}))
deftest_call_unpack_args_unicode(self):
args=Git._unpack_args("Unicode€™")
mangled_value="Unicode\u20ac\u2122"
self.assertEqual(args, [mangled_value])
deftest_call_unpack_args(self):
args=Git._unpack_args(["git","log","--","Unicode€™"])
mangled_value="Unicode\u20ac\u2122"
self.assertEqual(args, ["git","log","--",mangled_value])
deftest_it_raises_errors(self):
self.assertRaises(GitCommandError,self.git.this_does_not_exist)
deftest_it_transforms_kwargs_into_git_command_arguments(self):
self.assertEqual(["-s"],self.git.transform_kwargs(**{"s":True}))
self.assertEqual(["-s","5"],self.git.transform_kwargs(**{"s":5}))
self.assertEqual([],self.git.transform_kwargs(**{"s":None}))
self.assertEqual(["--max-count"],self.git.transform_kwargs(**{"max_count":True}))
self.assertEqual(["--max-count=5"],self.git.transform_kwargs(**{"max_count":5}))
self.assertEqual(["--max-count=0"],self.git.transform_kwargs(**{"max_count":0}))
self.assertEqual([],self.git.transform_kwargs(**{"max_count":None}))
# Multiple args are supported by using lists/tuples.
self.assertEqual(
["-L","1-3","-L","12-18"],
self.git.transform_kwargs(**{"L": ("1-3","12-18")}),
)
self.assertEqual(["-C","-C"],self.git.transform_kwargs(**{"C": [True,True,None,False]}))
# Order is undefined.
res=self.git.transform_kwargs(**{"s":True,"t":True})
self.assertEqual({"-s","-t"},set(res))
_shell_cases= (
# value_in_call, value_from_class, expected_popen_arg
(None,False,False),
(None,True,True),
(False,True,False),
(False,False,False),
(True,False,True),
(True,True,True),
)
def_do_shell_combo(self,value_in_call,value_from_class):
withmock.patch.object(Git,"USE_SHELL",value_from_class):
withmock.patch.object(cmd,"safer_popen",wraps=cmd.safer_popen)asmock_safer_popen:
# Use a command with no arguments (besides the program name), so it runs
# with or without a shell, on all OSes, with the same effect.
self.git.execute(["git"],with_exceptions=False,shell=value_in_call)
returnmock_safer_popen
@ddt.idata(_shell_cases)
deftest_it_uses_shell_or_not_as_specified(self,case):
"""A bool passed as ``shell=`` takes precedence over `Git.USE_SHELL`."""
value_in_call,value_from_class,expected_popen_arg=case
mock_safer_popen=self._do_shell_combo(value_in_call,value_from_class)
mock_safer_popen.assert_called_once()
self.assertIs(mock_safer_popen.call_args.kwargs["shell"],expected_popen_arg)
@ddt.idata(full_case[:2]forfull_casein_shell_cases)
deftest_it_logs_if_it_uses_a_shell(self,case):
"""``shell=`` in the log message agrees with what is passed to `Popen`."""
value_in_call,value_from_class=case
withself.assertLogs(cmd.__name__,level=logging.DEBUG)aslog_watcher:
mock_safer_popen=self._do_shell_combo(value_in_call,value_from_class)
self._assert_logged_for_popen(log_watcher,"shell",mock_safer_popen.call_args.kwargs["shell"])
@ddt.data(
("None",None),
("<valid stream>",subprocess.PIPE),
)
deftest_it_logs_istream_summary_for_stdin(self,case):
expected_summary,istream_argument=case
withself.assertLogs(cmd.__name__,level=logging.DEBUG)aslog_watcher:
self.git.execute(["git","version"],istream=istream_argument)
self._assert_logged_for_popen(log_watcher,"stdin",expected_summary)
deftest_it_executes_git_and_returns_result(self):
self.assertRegex(self.git.execute(["git","version"]),r"^git version [\d\.]{2}.*$")
@ddt.data(
# chdir_to_repo, shell, command, use_shell_impostor
(False,False, ["git","version"],False),
(False,True,"git version",False),
(False,True,"git version",True),
(True,False, ["git","version"],False),
(True,True,"git version",False),
(True,True,"git version",True),
)
@with_rw_directory
deftest_it_executes_git_not_from_cwd(self,rw_dir,case):
chdir_to_repo,shell,command,use_shell_impostor=case
repo=Repo.init(rw_dir)
ifsys.platform=="win32":
# Copy an actual binary executable that is not git. (On Windows, running
# "hostname" only displays the hostname, it never tries to change it.)
other_exe_path=Path(os.environ["SystemRoot"],"system32","hostname.exe")
impostor_path=Path(rw_dir,"git.exe")
shutil.copy(other_exe_path,impostor_path)
else:
# Create a shell script that doesn't do anything.
impostor_path=Path(rw_dir,"git")
impostor_path.write_text("#!/bin/sh\n",encoding="utf-8")
os.chmod(impostor_path,0o755)
ifuse_shell_impostor:
shell_name="cmd.exe"ifsys.platform=="win32"else"sh"
shutil.copy(impostor_path,Path(rw_dir,shell_name))
withcontextlib.ExitStack()asstack:
ifchdir_to_repo:
stack.enter_context(cwd(rw_dir))
ifuse_shell_impostor:
stack.enter_context(_patch_out_env("ComSpec"))
# Run the command without raising an exception on failure, as the exception
# message is currently misleading when the command is a string rather than a
# sequence of strings (it really runs "git", but then wrongly reports "g").
output=repo.git.execute(command,with_exceptions=False,shell=shell)
self.assertRegex(output,r"^git version\b")
@skipUnless(
sys.platform=="win32",
"The regression only affected Windows, and this test logic is OS-specific.",
)
deftest_it_avoids_upcasing_unrelated_environment_variable_names(self):
old_name="28f425ca_d5d8_4257_b013_8d63166c8158"
ifold_name==old_name.upper():
raiseRuntimeError("test bug or strange locale: old_name invariant under upcasing")
# Step 1
#
# Set the environment variable in this parent process. Because os.putenv is a
# thin wrapper around a system API, os.environ never sees the variable in this
# parent process, so the name is not upcased even on Windows.
os.putenv(old_name,"1")
# Step 2
#
# Create the child process that inherits the environment variable. The child
# uses GitPython, and we are testing that it passes the variable with the exact
# original name to its own child process (the grandchild).
cmdline= [
sys.executable,
fixture_path("env_case.py"),# Contains steps 3 and 4.
self.rorepo.working_dir,
old_name,
]
# Run steps 3 and 4.
pair_text=subprocess.check_output(cmdline,shell=False,text=True)
new_name=pair_text.split("=")[0]
self.assertEqual(new_name,old_name)
deftest_it_accepts_stdin(self):
filename=fixture_path("cat_file_blob")
withopen(filename,"r")asfh:
self.assertEqual(
"70c379b63ffa0795fdbfbc128e5a2818397b7ef8",
self.git.hash_object(istream=fh,stdin=True),
)
@mock.patch.object(Git,"execute")
deftest_it_ignores_false_kwargs(self,git):
# this_should_not_be_ignored=False implies it *should* be ignored.
self.git.version(pass_this_kwarg=False)
self.assertTrue("pass_this_kwarg"notingit.call_args[1])
deftest_it_raises_proper_exception_with_output_stream(self):
withtempfile.TemporaryFile()astmp_file:
withself.assertRaises(GitCommandError):
self.git.checkout("non-existent-branch",output_stream=tmp_file)
deftest_it_accepts_environment_variables(self):
filename=fixture_path("ls_tree_empty")
withopen(filename,"r")asfh:
tree=self.git.mktree(istream=fh)
env= {
"GIT_AUTHOR_NAME":"Author Name",
"GIT_AUTHOR_EMAIL":"author@example.com",
"GIT_AUTHOR_DATE":"1400000000+0000",
"GIT_COMMITTER_NAME":"Committer Name",
"GIT_COMMITTER_EMAIL":"committer@example.com",
"GIT_COMMITTER_DATE":"1500000000+0000",
}
commit=self.git.commit_tree(tree,m="message",env=env)
self.assertEqual(commit,"4cfd6b0314682d5a58f80be39850bad1640e9241")
deftest_persistent_cat_file_command(self):
# Read header only.
hexsha="b2339455342180c7cc1e9bba3e9f181f7baa5167"
g=self.git.cat_file(batch_check=True,istream=subprocess.PIPE,as_process=True)
g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")
g.stdin.flush()
obj_info=g.stdout.readline()
# Read header + data.
g=self.git.cat_file(batch=True,istream=subprocess.PIPE,as_process=True)
g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")
g.stdin.flush()
obj_info_two=g.stdout.readline()
self.assertEqual(obj_info,obj_info_two)
# Read data - have to read it in one large chunk.
size=int(obj_info.split()[2])
g.stdout.read(size)
g.stdout.read(1)
# Now we should be able to read a new object.
g.stdin.write(b"b2339455342180c7cc1e9bba3e9f181f7baa5167\n")
g.stdin.flush()
self.assertEqual(g.stdout.readline(),obj_info)
# Same can be achieved using the respective command functions.
hexsha,typename,size=self.git.get_object_header(hexsha)
hexsha,typename_two,size_two,_=self.git.get_object_data(hexsha)
self.assertEqual(typename,typename_two)
self.assertEqual(size,size_two)
deftest_version_info(self):
"""The version_info attribute is a tuple of up to four ints."""
v=self.git.version_info
self.assertIsInstance(v,tuple)
self.assertLessEqual(len(v),4)
forninv:
self.assertIsInstance(n,int)
deftest_version_info_pickleable(self):
"""The version_info attribute is usable on unpickled Git instances."""
deserialized=pickle.loads(pickle.dumps(self.git))
v=deserialized.version_info
self.assertIsInstance(v,tuple)
self.assertLessEqual(len(v),4)
forninv:
self.assertIsInstance(n,int)
@ddt.data(
(("123","456","789"), (123,456,789)),
(("12","34","56","78"), (12,34,56,78)),
(("12","34","56","78","90"), (12,34,56,78)),
(("1","2","a","3"), (1,2)),
(("1","-2","3"), (1,)),
(("1","2a","3"), (1,)),# Subject to change.
)
deftest_version_info_is_leading_numbers(self,case):
fake_fields,expected_version_info=case
with_rollback_refresh():
with_fake_git(*fake_fields)aspath:
refresh(path)
new_git=Git()
self.assertEqual(new_git.version_info,expected_version_info)
deftest_git_exc_name_is_git(self):
self.assertEqual(self.git.git_exec_name,"git")
deftest_cmd_override(self):
"""Directly set bad GIT_PYTHON_GIT_EXECUTABLE causes git operations to raise."""
bad_path=osp.join("some","path","which","doesn't","exist","gitbinary")
withmock.patch.object(Git,"GIT_PYTHON_GIT_EXECUTABLE",bad_path):
withself.assertRaises(GitCommandNotFound)asctx:
self.git.version()
self.assertEqual(ctx.exception.command, [bad_path,"version"])
@ddt.data(("0",), ("q",), ("quiet",), ("s",), ("silence",), ("silent",), ("n",), ("none",))
deftest_initial_refresh_from_bad_git_path_env_quiet(self,case):
"""In "q" mode, bad initial path sets "git" and is quiet."""
(mode,)=case
set_vars= {
"GIT_PYTHON_GIT_EXECUTABLE":str(Path("yada").absolute()),# Any bad path.
"GIT_PYTHON_REFRESH":mode,
}
with_rollback_refresh():
Git.GIT_PYTHON_GIT_EXECUTABLE=None# Simulate startup.
withmock.patch.dict(os.environ,set_vars):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,"git")
@ddt.data(("1",), ("w",), ("warn",), ("warning",), ("l",), ("log",))
deftest_initial_refresh_from_bad_git_path_env_warn(self,case):
"""In "w" mode, bad initial path sets "git" and warns, by logging."""
(mode,)=case
env_vars= {
"GIT_PYTHON_GIT_EXECUTABLE":str(Path("yada").absolute()),# Any bad path.
"GIT_PYTHON_REFRESH":mode,
}
with_rollback_refresh():
Git.GIT_PYTHON_GIT_EXECUTABLE=None# Simulate startup.
withmock.patch.dict(os.environ,env_vars):
withself.assertLogs(cmd.__name__,logging.CRITICAL)asctx:
refresh()
self.assertEqual(len(ctx.records),1)
message=ctx.records[0].getMessage()
self.assertRegex(message,r"\ABad git executable.\n")
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,"git")
@ddt.data(("2",), ("r",), ("raise",), ("e",), ("error",))
deftest_initial_refresh_from_bad_git_path_env_error(self,case):
"""In "e" mode, bad initial path raises an exception."""
(mode,)=case
env_vars= {
"GIT_PYTHON_GIT_EXECUTABLE":str(Path("yada").absolute()),# Any bad path.
"GIT_PYTHON_REFRESH":mode,
}
with_rollback_refresh():
Git.GIT_PYTHON_GIT_EXECUTABLE=None# Simulate startup.
withmock.patch.dict(os.environ,env_vars):
withself.assertRaisesRegex(ImportError,r"\ABad git executable.\n"):
refresh()
deftest_initial_refresh_from_good_absolute_git_path_env(self):
"""Good initial absolute path from environment is set."""
absolute_path=shutil.which("git")
with_rollback_refresh():
Git.GIT_PYTHON_GIT_EXECUTABLE=None# Simulate startup.
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":absolute_path}):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,absolute_path)
deftest_initial_refresh_from_good_relative_git_path_env(self):
"""Good initial relative path from environment is kept relative and set."""
with_rollback_refresh():
# Set the fallback to a string that wouldn't work and isn't "git", so we are
# more likely to detect if "git" is not set from the environment variable.
withmock.patch.object(Git,"git_exec_name",""):
Git.GIT_PYTHON_GIT_EXECUTABLE=None# Simulate startup.
# Now observe if setting the environment variable to "git" takes effect.
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":"git"}):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,"git")
deftest_refresh_from_bad_absolute_git_path_env(self):
"""Bad absolute path from environment is reported and not set."""
absolute_path=str(Path("yada").absolute())
expected_pattern=rf"\n[ \t]*cmdline:{re.escape(absolute_path)}\Z"
with_rollback_refresh()asold_git_executable:
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":absolute_path}):
withself.assertRaisesRegex(GitCommandNotFound,expected_pattern):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,old_git_executable)
deftest_refresh_from_bad_relative_git_path_env(self):
"""Bad relative path from environment is kept relative and reported, not set."""
# Relative paths are not resolved when refresh() is called with no arguments, so
# use a string that's very unlikely to be a command name found in a path lookup.
relative_path="yada-e47e70c6-acbf-40f8-ad65-13af93c2195b"
expected_pattern=rf"\n[ \t]*cmdline:{re.escape(relative_path)}\Z"
with_rollback_refresh()asold_git_executable:
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":relative_path}):
withself.assertRaisesRegex(GitCommandNotFound,expected_pattern):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,old_git_executable)
deftest_refresh_from_good_absolute_git_path_env(self):
"""Good absolute path from environment is set."""
absolute_path=shutil.which("git")
with_rollback_refresh():
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":absolute_path}):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,absolute_path)
deftest_refresh_from_good_relative_git_path_env(self):
"""Good relative path from environment is kept relative and set."""
with_rollback_refresh():
# Set as the executable name a string that wouldn't work and isn't "git".
Git.GIT_PYTHON_GIT_EXECUTABLE=""
# Now observe if setting the environment variable to "git" takes effect.
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":"git"}):
refresh()
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,"git")
deftest_refresh_with_bad_absolute_git_path_arg(self):
"""Bad absolute path arg is reported and not set."""
absolute_path=str(Path("yada").absolute())
expected_pattern=rf"\n[ \t]*cmdline:{re.escape(absolute_path)}\Z"
with_rollback_refresh()asold_git_executable:
withself.assertRaisesRegex(GitCommandNotFound,expected_pattern):
refresh(absolute_path)
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,old_git_executable)
deftest_refresh_with_bad_relative_git_path_arg(self):
"""Bad relative path arg is resolved to absolute path and reported, not set."""
absolute_path=str(Path("yada").absolute())
expected_pattern=rf"\n[ \t]*cmdline:{re.escape(absolute_path)}\Z"
with_rollback_refresh()asold_git_executable:
withself.assertRaisesRegex(GitCommandNotFound,expected_pattern):
refresh("yada")
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,old_git_executable)
deftest_refresh_with_good_absolute_git_path_arg(self):
"""Good absolute path arg is set."""
absolute_path=shutil.which("git")
with_rollback_refresh():
refresh(absolute_path)
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,absolute_path)
deftest_refresh_with_good_relative_git_path_arg(self):
"""Good relative path arg is resolved to absolute path and set."""
absolute_path=shutil.which("git")
dirname,basename=osp.split(absolute_path)
withcwd(dirname):
with_rollback_refresh():
refresh(basename)
self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE,absolute_path)
deftest_version_info_is_cached(self):
fake_version_info= (123,456,789)
with_rollback_refresh():
with_fake_git(*fake_version_info)aspath:
new_git=Git()# Not cached yet.
refresh(path)
self.assertEqual(new_git.version_info,fake_version_info)
os.remove(path)# Arrange that a second subprocess call would fail.
self.assertEqual(new_git.version_info,fake_version_info)
deftest_version_info_cache_is_per_instance(self):
with_rollback_refresh():
with_fake_git(123,456,789)aspath:
git1=Git()
git2=Git()
refresh(path)
git1.version_info
os.remove(path)# Arrange that the second subprocess call will fail.
withself.assertRaises(GitCommandNotFound):
git2.version_info
git1.version_info
deftest_version_info_cache_is_not_pickled(self):
with_rollback_refresh():
with_fake_git(123,456,789)aspath:
git1=Git()
refresh(path)
git1.version_info
git2=pickle.loads(pickle.dumps(git1))
os.remove(path)# Arrange that the second subprocess call will fail.
withself.assertRaises(GitCommandNotFound):
git2.version_info
git1.version_info
deftest_successful_refresh_with_arg_invalidates_cached_version_info(self):
with_rollback_refresh():
with_fake_git(11,111,1)aspath1:
with_fake_git(22,222,2)aspath2:
new_git=Git()
refresh(path1)
new_git.version_info
refresh(path2)
self.assertEqual(new_git.version_info, (22,222,2))
deftest_failed_refresh_with_arg_does_not_invalidate_cached_version_info(self):
with_rollback_refresh():
with_fake_git(11,111,1)aspath1:
with_fake_git(22,222,2)aspath2:
new_git=Git()
refresh(path1)
new_git.version_info
os.remove(path1)# Arrange that a repeat call for path1 would fail.
os.remove(path2)# Arrange that the new call for path2 will fail.
withself.assertRaises(GitCommandNotFound):
refresh(path2)
self.assertEqual(new_git.version_info, (11,111,1))
deftest_successful_refresh_with_same_arg_invalidates_cached_version_info(self):
"""Changing git at the same path and refreshing affects version_info."""
with_rollback_refresh():
with_fake_git(11,111,1)aspath1:
with_fake_git(22,222,2)aspath2:
new_git=Git()
refresh(path1)
new_git.version_info
shutil.copy(path2,path1)
refresh(path1)# The fake git at path1 has a different version now.
self.assertEqual(new_git.version_info, (22,222,2))
deftest_successful_refresh_with_env_invalidates_cached_version_info(self):
withcontextlib.ExitStack()asstack:
stack.enter_context(_rollback_refresh())
path1=stack.enter_context(_fake_git(11,111,1))
path2=stack.enter_context(_fake_git(22,222,2))
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":path1}):
new_git=Git()
refresh()
new_git.version_info
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":path2}):
refresh()
self.assertEqual(new_git.version_info, (22,222,2))
deftest_failed_refresh_with_env_does_not_invalidate_cached_version_info(self):
withcontextlib.ExitStack()asstack:
stack.enter_context(_rollback_refresh())
path1=stack.enter_context(_fake_git(11,111,1))
path2=stack.enter_context(_fake_git(22,222,2))
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":path1}):
new_git=Git()
refresh()
new_git.version_info
os.remove(path1)# Arrange that a repeat call for path1 would fail.
os.remove(path2)# Arrange that the new call for path2 will fail.
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":path2}):
withself.assertRaises(GitCommandNotFound):
refresh(path2)
self.assertEqual(new_git.version_info, (11,111,1))
deftest_successful_refresh_with_same_env_invalidates_cached_version_info(self):
"""Changing git at the same path/command and refreshing affects version_info."""
withcontextlib.ExitStack()asstack:
stack.enter_context(_rollback_refresh())
path1=stack.enter_context(_fake_git(11,111,1))
path2=stack.enter_context(_fake_git(22,222,2))
withmock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE":path1}):
new_git=Git()
refresh()
new_git.version_info
shutil.copy(path2,path1)
refresh()# The fake git at path1 has a different version now.
self.assertEqual(new_git.version_info, (22,222,2))
deftest_successful_default_refresh_invalidates_cached_version_info(self):
"""Refreshing updates version after a filesystem change adds a git command."""
# The key assertion here is the last. The others mainly verify the test itself.
withcontextlib.ExitStack()asstack:
stack.enter_context(_rollback_refresh())
path1=Path(stack.enter_context(_fake_git(11,111,1)))
path2=Path(stack.enter_context(_fake_git(22,222,2)))
new_path_var=f"{path1.parent}{os.pathsep}{path2.parent}"
stack.enter_context(mock.patch.dict(os.environ, {"PATH":new_path_var}))
stack.enter_context(_patch_out_env("GIT_PYTHON_GIT_EXECUTABLE"))
ifsys.platform=="win32":
# On Windows, use a shell so "git" finds "git.cmd". The correct and safe
# ways to do this straightforwardly are to set GIT_PYTHON_GIT_EXECUTABLE
# to git.cmd in the environment, or call git.refresh with the command's
# full path. See the Git.USE_SHELL docstring for deprecation details.
# But this tests a "default" scenario where neither is done. The
# approach used here, setting USE_SHELL to True so PATHEXT is honored,
# should not be used in production code (nor even in most test cases).
stack.enter_context(mock.patch.object(Git,"USE_SHELL",True))
new_git=Git()
_rename_with_stem(path2,"git")# "Install" git, "late" in the PATH.
refresh()
self.assertEqual(new_git.version_info, (22,222,2),'before "downgrade"')
_rename_with_stem(path1,"git")# "Install" another, higher priority.
self.assertEqual(new_git.version_info, (22,222,2),"stale version")
refresh()
self.assertEqual(new_git.version_info, (11,111,1),"fresh version")
deftest_options_are_passed_to_git(self):
# This works because any command after git --version is ignored.
git_version=self.git(version=True).NoOp()
git_command_version=self.git.version()
self.assertEqual(git_version,git_command_version)
deftest_persistent_options(self):
git_command_version=self.git.version()
# Analog to test_options_are_passed_to_git.
self.git.set_persistent_git_options(version=True)
git_version=self.git.NoOp()
self.assertEqual(git_version,git_command_version)
# Subsequent calls keep this option:
git_version_2=self.git.NoOp()
self.assertEqual(git_version_2,git_command_version)
# Reset to empty:
self.git.set_persistent_git_options()
self.assertRaises(GitCommandError,self.git.NoOp)
deftest_single_char_git_options_are_passed_to_git(self):
input_value="TestValue"
output_value=self.git(c="user.name=%s"%input_value).config("--get","user.name")
self.assertEqual(input_value,output_value)
deftest_change_to_transform_kwargs_does_not_break_command_options(self):
self.git.log(n=1)
deftest_insert_after_kwarg_raises(self):
# This isn't a complete add command, which doesn't matter here.
self.assertRaises(ValueError,self.git.remote,"add",insert_kwargs_after="foo")
deftest_env_vars_passed_to_git(self):
editor="non_existent_editor"
withmock.patch.dict(os.environ, {"GIT_EDITOR":editor}):
self.assertEqual(self.git.var("GIT_EDITOR"),editor)
@with_rw_directory
deftest_environment(self,rw_dir):
# Sanity check.
self.assertEqual(self.git.environment(), {})
# Make sure the context manager works and cleans up after itself.
withself.git.custom_environment(PWD="/tmp"):
self.assertEqual(self.git.environment(), {"PWD":"/tmp"})
self.assertEqual(self.git.environment(), {})
old_env=self.git.update_environment(VARKEY="VARVALUE")
# The returned dict can be used to revert the change, hence why it has
# an entry with value 'None'.
self.assertEqual(old_env, {"VARKEY":None})
self.assertEqual(self.git.environment(), {"VARKEY":"VARVALUE"})
new_env=self.git.update_environment(**old_env)
self.assertEqual(new_env, {"VARKEY":"VARVALUE"})
self.assertEqual(self.git.environment(), {})
path=osp.join(rw_dir,"failing-script.sh")
withopen(path,"wt")asstream:
stream.write("#!/usr/bin/env sh\necho FOO\n")
os.chmod(path,0o777)
rw_repo=Repo.init(osp.join(rw_dir,"repo"))
remote=rw_repo.create_remote("ssh-origin","ssh://git@server/foo")
withrw_repo.git.custom_environment(GIT_SSH=path):
try:
remote.fetch()
exceptGitCommandErroraserr:
self.assertIn("FOO",str(err))
deftest_handle_process_output(self):
fromgit.cmdimporthandle_process_output,safer_popen
expected_line_count=5002
actual_lines= [None, [], []]
defstdout_handler(line):
actual_lines[1].append(line)
defstderr_handler(line):
actual_lines[2].append(line)
cmdline= [
sys.executable,
"-S",# Keep any `CoverageWarning` messages out of the subprocess stderr.
fixture_path("cat_file.py"),
str(fixture_path("issue-301_stderr")),
]
proc=safer_popen(
cmdline,
stdin=None,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
shell=False,
)
handle_process_output(proc,stdout_handler,stderr_handler,finalize_process)
self.assertEqual(len(actual_lines[1]),expected_line_count,repr(actual_lines[1]))
self.assertEqual(len(actual_lines[2]),expected_line_count,repr(actual_lines[2]))
deftest_execute_kwargs_set_agrees_with_method(self):
parameter_names=inspect.signature(cmd.Git.execute).parameters.keys()
self_param,command_param,*most_params,extra_kwargs_param=parameter_names
self.assertEqual(self_param,"self")
self.assertEqual(command_param,"command")
self.assertEqual(set(most_params),cmd.execute_kwargs)# Most important.
self.assertEqual(extra_kwargs_param,"subprocess_kwargs")