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https://github.com/facebook/sapling.git
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fbdb46f5cb
Reviewed By: chadaustin Differential Revision: D17872966 fbshipit-source-id: cd60a364a2146f0dadbeca693b1d4a5d7c97ff63
74 lines
3.0 KiB
Python
74 lines
3.0 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) Facebook, Inc. and its affiliates.
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#
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# This software may be used and distributed according to the terms of the
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# GNU General Public License version 2.
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import errno
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import os
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import subprocess
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import __manifest__
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from .lib import testcase
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class StaleTest(testcase.HgRepoTestMixin, testcase.EdenRepoTest):
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"""Test that various Eden CLI commands work even when invoked from a
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current working directory that is inside a stale FUSE mount point.
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"""
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def setup_eden_test(self) -> None:
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super().setup_eden_test() # type: ignore (pyre does not follow MRO correctly)
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# Change into the mount point directory.
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# We have to do this before unmounting the mount point--the chdir() call itself
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# will fail afterwards. If we want to execute the eden CLI with a stale current
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# directory we have to CD into it before it goes stale.
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orig_cwd = os.getcwd()
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os.chdir(self.mount)
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self.addCleanup(os.chdir, orig_cwd)
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self.eden.stop_with_stale_mounts()
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self.addCleanup(self.cleanup_mount)
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# Sanity check that accessing the mount does fail with ESTALE now
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with self.assertRaises(OSError) as ctx:
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os.listdir(self.mount)
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self.fail("expected listdir to fail with ENOTCONN")
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self.assertEqual(ctx.exception.errno, errno.ENOTCONN)
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def populate_repo(self) -> None:
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self.repo.write_file("src/foo.txt", "foo\n")
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self.repo.commit("Initial commit.")
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def cleanup_mount(self) -> None:
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cmd = ["sudo", "/bin/umount", "-lf", self.mount]
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subprocess.call(cmd)
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def _expected_to_fail(self) -> bool:
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# xar files are able to start correctly even when the current working
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# directory is not working, but unfortunately lpar files aren't.
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# Some core python library code fails early on during import bootstrapping.
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return __manifest__.fbmake["par_style"] == "live"
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def test_list(self) -> None:
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cmd_result = self.eden.run_unchecked("list", stdout=subprocess.PIPE)
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if not self._expected_to_fail():
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self.assertIn(
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f"{self.mount} (not mounted)".encode("utf-8"), cmd_result.stdout
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)
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self.assertEqual(0, cmd_result.returncode)
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def test_doctor(self) -> None:
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cmd_result = self.eden.run_unchecked("doctor", "-n", stdout=subprocess.PIPE)
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if not self._expected_to_fail():
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# We don't check for the exact number of stale mounts:
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# even though we expect there to only be one, more than one may be reported
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# if /tmp is also bind mounted to another location. `eden doctor` also
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# scans the entire system so it may report additional stale mounts if there
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# are other existing stale mounts on the system.
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self.assertIn(b"stale edenfs mount", cmd_result.stdout)
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self.assertIn(self.mount.encode("utf-8"), cmd_result.stdout)
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self.assertEqual(1, cmd_result.returncode)
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