fix(sandbox):deer-flow-provisioner container fails to start in local execution mode (#889)

backend/tests/test_docker_sandbox_mode_detection.py

@@ -0,0 +1,95 @@
+"""Regression tests for docker sandbox mode detection logic."""
+
+from __future__ import annotations
+
+import subprocess
+import tempfile
+from pathlib import Path
+
+REPO_ROOT = Path(__file__).resolve().parents[2]
+SCRIPT_PATH = REPO_ROOT / "scripts" / "docker.sh"
+
+
+def _detect_mode_with_config(config_content: str) -> str:
+    """Write config content into a temp project root and execute detect_sandbox_mode."""
+    with tempfile.TemporaryDirectory() as tmpdir:
+        tmp_root = Path(tmpdir)
+        (tmp_root / "config.yaml").write_text(config_content)
+
+        command = (
+            f"source '{SCRIPT_PATH}' && "
+            f"PROJECT_ROOT='{tmp_root}' && "
+            "detect_sandbox_mode"
+        )
+
+        output = subprocess.check_output(
+            ["bash", "-lc", command],
+            text=True,
+        ).strip()
+
+        return output
+
+
+def test_detect_mode_defaults_to_local_when_config_missing():
+    """No config file should default to local mode."""
+    with tempfile.TemporaryDirectory() as tmpdir:
+        command = (
+            f"source '{SCRIPT_PATH}' && "
+            f"PROJECT_ROOT='{tmpdir}' && "
+            "detect_sandbox_mode"
+        )
+        output = subprocess.check_output(["bash", "-lc", command], text=True).strip()
+
+    assert output == "local"
+
+
+def test_detect_mode_local_provider():
+    """Local sandbox provider should map to local mode."""
+    config = """
+sandbox:
+  use: src.sandbox.local:LocalSandboxProvider
+""".strip()
+
+    assert _detect_mode_with_config(config) == "local"
+
+
+def test_detect_mode_aio_without_provisioner_url():
+    """AIO sandbox without provisioner_url should map to aio mode."""
+    config = """
+sandbox:
+  use: src.community.aio_sandbox:AioSandboxProvider
+""".strip()
+
+    assert _detect_mode_with_config(config) == "aio"
+
+
+def test_detect_mode_provisioner_with_url():
+    """AIO sandbox with provisioner_url should map to provisioner mode."""
+    config = """
+sandbox:
+  use: src.community.aio_sandbox:AioSandboxProvider
+  provisioner_url: http://provisioner:8002
+""".strip()
+
+    assert _detect_mode_with_config(config) == "provisioner"
+
+
+def test_detect_mode_ignores_commented_provisioner_url():
+    """Commented provisioner_url should not activate provisioner mode."""
+    config = """
+sandbox:
+  use: src.community.aio_sandbox:AioSandboxProvider
+  # provisioner_url: http://provisioner:8002
+""".strip()
+
+    assert _detect_mode_with_config(config) == "aio"
+
+
+def test_detect_mode_unknown_provider_falls_back_to_local():
+    """Unknown sandbox provider should default to local mode."""
+    config = """
+sandbox:
+  use: custom.module:UnknownProvider
+""".strip()
+
+    assert _detect_mode_with_config(config) == "local"