diff --git a/git/cmd.py b/git/cmd.py index a75d822fa..22b5ea99e 100644 --- a/git/cmd.py +++ b/git/cmd.py @@ -409,15 +409,15 @@ def refresh(cls, path: Union[None, PathLike] = None) -> bool: # expect GIT_PYTHON_REFRESH to either be unset or be one of the # following values: # - # 0|q|quiet|s|silence|n|none - # 1|w|warn|warning - # 2|r|raise|e|error + # 0|q|quiet|s|silence|silent|n|none + # 1|w|warn|warning|l|log + # 2|r|raise|e|error|exception mode = os.environ.get(cls._refresh_env_var, "raise").lower() - quiet = ["quiet", "q", "silence", "s", "none", "n", "0"] - warn = ["warn", "w", "warning", "1"] - error = ["error", "e", "raise", "r", "2"] + quiet = ["quiet", "q", "silence", "s", "silent", "none", "n", "0"] + warn = ["warn", "w", "warning", "log", "l", "1"] + error = ["error", "e", "exception", "raise", "r", "2"] if mode in quiet: pass @@ -428,10 +428,10 @@ def refresh(cls, path: Union[None, PathLike] = None) -> bool: %s All git commands will error until this is rectified. - This initial warning can be silenced or aggravated in the future by setting the + This initial message can be silenced or aggravated in the future by setting the $%s environment variable. Use one of the following values: - - %s: for no warning or exception - - %s: for a printed warning + - %s: for no message or exception + - %s: for a warning message (logged at level CRITICAL, displayed by default) - %s: for a raised exception Example: @@ -450,7 +450,7 @@ def refresh(cls, path: Union[None, PathLike] = None) -> bool: ) if mode in warn: - print("WARNING: %s" % err) + _logger.critical("WARNING: %s", err) else: raise ImportError(err) else: @@ -460,8 +460,8 @@ def refresh(cls, path: Union[None, PathLike] = None) -> bool: %s environment variable has been set but it has been set with an invalid value. Use only the following values: - - %s: for no warning or exception - - %s: for a printed warning + - %s: for no message or exception + - %s: for a warning message (logged at level CRITICAL, displayed by default) - %s: for a raised exception """ ) diff --git a/test/test_git.py b/test/test_git.py index a1c6211db..ea3d067ee 100644 --- a/test/test_git.py +++ b/test/test_git.py @@ -46,9 +46,24 @@ def _patch_out_env(name): @contextlib.contextmanager def _rollback_refresh(): + old_git_executable = Git.GIT_PYTHON_GIT_EXECUTABLE + + if old_git_executable is None: + raise RuntimeError("no executable string (need initial refresh before test)") + try: - yield Git.GIT_PYTHON_GIT_EXECUTABLE # Provide the old value for convenience. + yield old_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() @@ -314,7 +329,127 @@ def test_cmd_override(self): ): self.assertRaises(GitCommandNotFound, self.git.version) - def test_refresh_bad_absolute_git_path(self): + def test_git_exc_name_is_git(self): + self.assertEqual(self.git.git_exec_name, "git") + + @ddt.data(("0",), ("q",), ("quiet",), ("s",), ("silence",), ("silent",), ("n",), ("none",)) + def test_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(): + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup. + + with mock.patch.dict(os.environ, set_vars): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git") + + @ddt.data(("1",), ("w",), ("warn",), ("warning",), ("l",), ("log",)) + def test_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(): + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup. + + with mock.patch.dict(os.environ, env_vars): + with self.assertLogs(cmd.__name__, logging.CRITICAL) as ctx: + refresh() + self.assertEqual(len(ctx.records), 1) + message = ctx.records[0].getMessage() + self.assertRegex(message, r"\AWARNING: Bad git executable.\n") + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git") + + @ddt.data(("2",), ("r",), ("raise",), ("e",), ("error",)) + def test_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(): + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup. + + with mock.patch.dict(os.environ, env_vars): + with self.assertRaisesRegex(ImportError, r"\ABad git executable.\n"): + refresh() + + def test_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(): + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup. + + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path) + + def test_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. + with mock.patch.object(type(self.git), "git_exec_name", ""): + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = None # Simulate startup. + + # Now observe if setting the environment variable to "git" takes effect. + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": "git"}): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git") + + def test_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() as old_git_executable: + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}): + with self.assertRaisesRegex(GitCommandNotFound, expected_pattern): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable) + + def test_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() as old_git_executable: + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": relative_path}): + with self.assertRaisesRegex(GitCommandNotFound, expected_pattern): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable) + + def test_refresh_from_good_absolute_git_path_env(self): + """Good absolute path from environment is set.""" + absolute_path = shutil.which("git") + + with _rollback_refresh(): + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": absolute_path}): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path) + + def test_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". + type(self.git).GIT_PYTHON_GIT_EXECUTABLE = "" + + # Now observe if setting the environment variable to "git" takes effect. + with mock.patch.dict(os.environ, {"GIT_PYTHON_GIT_EXECUTABLE": "git"}): + refresh() + self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, "git") + + def test_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" @@ -324,7 +459,7 @@ def test_refresh_bad_absolute_git_path(self): refresh(absolute_path) self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable) - def test_refresh_bad_relative_git_path(self): + def test_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" @@ -334,7 +469,7 @@ def test_refresh_bad_relative_git_path(self): refresh("yada") self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, old_git_executable) - def test_refresh_good_absolute_git_path(self): + def test_refresh_with_good_absolute_git_path_arg(self): """Good absolute path arg is set.""" absolute_path = shutil.which("git") @@ -342,7 +477,7 @@ def test_refresh_good_absolute_git_path(self): refresh(absolute_path) self.assertEqual(self.git.GIT_PYTHON_GIT_EXECUTABLE, absolute_path) - def test_refresh_good_relative_git_path(self): + def test_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) pFad - Phonifier reborn

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