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tests/test_session_entries.py

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+"""Tests for build_session_entries: splitting copied vs bind-mounted sources."""
+
+from __future__ import annotations
+
+from typing import TYPE_CHECKING, Any
+
+from agents.sandbox.entries import LocalDir
+
+from strix.runtime.session_manager import build_session_entries
+
+
+if TYPE_CHECKING:
+    from pathlib import Path
+
+
+def _source(subdir: str, path: str, *, mount: bool = False) -> dict[str, Any]:
+    return {"source_path": path, "workspace_subdir": subdir, "mount": mount}
+
+
+def test_copied_source_becomes_localdir_entry(tmp_path: Path) -> None:
+    entries, bind_mounts = build_session_entries([_source("repo", str(tmp_path))])
+
+    assert bind_mounts == []
+    assert isinstance(entries["repo"], LocalDir)
+    assert entries["repo"].src == tmp_path.resolve()
+
+
+def test_mounted_source_becomes_bind_mount(tmp_path: Path) -> None:
+    entries, bind_mounts = build_session_entries([_source("repo", str(tmp_path), mount=True)])
+
+    assert entries == {}
+    assert bind_mounts == [
+        {
+            "source": str(tmp_path.resolve()),
+            "target": "/workspace/repo",
+            "read_only": True,
+        }
+    ]
+
+
+def test_mixed_sources_split_correctly(tmp_path: Path) -> None:
+    copied = tmp_path / "copied"
+    mounted = tmp_path / "mounted"
+    copied.mkdir()
+    mounted.mkdir()
+
+    entries, bind_mounts = build_session_entries(
+        [
+            _source("copied", str(copied)),
+            _source("mounted", str(mounted), mount=True),
+        ]
+    )
+
+    assert list(entries) == ["copied"]
+    assert isinstance(entries["copied"], LocalDir)
+    assert [m["target"] for m in bind_mounts] == ["/workspace/mounted"]
+
+
+def test_incomplete_sources_are_skipped() -> None:
+    entries, bind_mounts = build_session_entries(
+        [
+            {"source_path": "", "workspace_subdir": "x"},
+            {"source_path": "/p", "workspace_subdir": ""},
+        ]
+    )
+    assert entries == {}
+    assert bind_mounts == []