test(isolation): process boundary coverage and workflows

tests/isolation/test_init.py

@@ -0,0 +1,80 @@
+"""Unit tests for PyIsolate isolation system initialization."""
+
+import importlib
+import sys
+
+from tests.isolation.singleton_boundary_helpers import (
+    FakeSingletonRPC,
+    reset_forbidden_singleton_modules,
+)
+
+
+def test_log_prefix():
+    """Verify LOG_PREFIX constant is correctly defined."""
+    from comfy.isolation import LOG_PREFIX
+    assert LOG_PREFIX == "]["
+    assert isinstance(LOG_PREFIX, str)
+
+
+def test_module_initialization():
+    """Verify module initializes without errors."""
+    isolation_pkg = importlib.import_module("comfy.isolation")
+    assert hasattr(isolation_pkg, "LOG_PREFIX")
+    assert hasattr(isolation_pkg, "initialize_proxies")
+
+
+class TestInitializeProxies:
+    def test_initialize_proxies_runs_without_error(self):
+        from comfy.isolation import initialize_proxies
+        initialize_proxies()
+
+    def test_initialize_proxies_registers_folder_paths_proxy(self):
+        from comfy.isolation import initialize_proxies
+        from comfy.isolation.proxies.folder_paths_proxy import FolderPathsProxy
+        initialize_proxies()
+        proxy = FolderPathsProxy()
+        assert proxy is not None
+        assert hasattr(proxy, "get_temp_directory")
+
+    def test_initialize_proxies_registers_model_management_proxy(self):
+        from comfy.isolation import initialize_proxies
+        from comfy.isolation.proxies.model_management_proxy import ModelManagementProxy
+        initialize_proxies()
+        proxy = ModelManagementProxy()
+        assert proxy is not None
+        assert hasattr(proxy, "get_torch_device")
+
+    def test_initialize_proxies_can_be_called_multiple_times(self):
+        from comfy.isolation import initialize_proxies
+        initialize_proxies()
+        initialize_proxies()
+        initialize_proxies()
+
+    def test_dev_proxies_accessible_when_dev_mode(self, monkeypatch):
+        """Verify dev mode does not break core proxy initialization."""
+        monkeypatch.setenv("PYISOLATE_DEV", "1")
+        from comfy.isolation import initialize_proxies
+        from comfy.isolation.proxies.folder_paths_proxy import FolderPathsProxy
+        from comfy.isolation.proxies.utils_proxy import UtilsProxy
+        initialize_proxies()
+        folder_proxy = FolderPathsProxy()
+        utils_proxy = UtilsProxy()
+        assert folder_proxy is not None
+        assert utils_proxy is not None
+
+    def test_sealed_child_safe_initialize_proxies_avoids_real_utils_import(self, monkeypatch):
+        monkeypatch.setenv("PYISOLATE_CHILD", "1")
+        monkeypatch.setenv("PYISOLATE_IMPORT_TORCH", "0")
+        reset_forbidden_singleton_modules()
+
+        from pyisolate._internal import rpc_protocol
+        from comfy.isolation import initialize_proxies
+
+        fake_rpc = FakeSingletonRPC()
+        monkeypatch.setattr(rpc_protocol, "get_child_rpc_instance", lambda: fake_rpc)
+
+        initialize_proxies()
+
+        assert "comfy.utils" not in sys.modules
+        assert "folder_paths" not in sys.modules
+        assert "comfy_execution.progress" not in sys.modules