Import AITURK IDE 1.0.0-beta.1 from Hermes 63279301; preserve MIT license

tests/state/test_state_db_holders.py

@@ -0,0 +1,50 @@
+"""Behavioral tests for the state-holder and repair-admission authority."""
+
+import os
+
+import pytest
+
+import hermes_state_holders
+
+
+@pytest.mark.linux_only
+def test_foreign_holder_accepts_same_inode_reached_through_an_alias(
+    tmp_path, monkeypatch
+):
+    """Descriptor identity is authoritative even when /proc spells another path."""
+    db_path = tmp_path / "state.db"
+    db_path.touch()
+    alias_path = tmp_path / "namespace-alias" / "state.db"
+
+    proc_root = tmp_path / "proc"
+    for pid in (111, 222):
+        (proc_root / str(pid) / "fd").mkdir(parents=True)
+    os.symlink(db_path, proc_root / "222" / "fd" / "3")
+
+    monkeypatch.setattr(hermes_state_holders.os, "getpid", lambda: 111)
+    real_listdir = os.listdir
+
+    def _listdir(path):
+        if isinstance(path, str):
+            path = path.replace("/proc", str(proc_root))
+        return real_listdir(path)
+
+    monkeypatch.setattr(hermes_state_holders.os, "listdir", _listdir)
+
+    def _readlink(path):
+        if path == "/proc/222/fd/3":
+            return str(alias_path)
+        return os.readlink(path.replace("/proc", str(proc_root)))
+
+    monkeypatch.setattr(hermes_state_holders.os, "readlink", _readlink)
+    real_stat = os.stat
+
+    def _stat(path, *args, **kwargs):
+        path = str(path).replace("/proc", str(proc_root))
+        return real_stat(path, *args, **kwargs)
+
+    monkeypatch.setattr(hermes_state_holders.os, "stat", _stat)
+
+    assert hermes_state_holders.foreign_state_db_holders(db_path) == [
+        (222, str(alias_path))
+    ]