🔧 Initial dev copy from live

tests/test_profile_env_isolation.py

@@ -0,0 +1,67 @@
+import importlib
+import os
+import sys
+from pathlib import Path
+
+
+def test_profile_switch_clears_previous_profile_env_vars(monkeypatch, tmp_path):
+    base = tmp_path / ".hermes"
+    (base / "profiles" / "p1").mkdir(parents=True)
+    (base / "profiles" / "p2").mkdir(parents=True)
+    (base / "profiles" / "p1" / ".env").write_text(
+        "OPENAI_API_KEY=secret-from-p1\nCUSTOM_TOKEN=token-from-p1\n",
+        encoding="utf-8",
+    )
+
+    monkeypatch.setenv("HERMES_BASE_HOME", str(base))
+    monkeypatch.delenv("HERMES_HOME", raising=False)
+    monkeypatch.delenv("OPENAI_API_KEY", raising=False)
+    monkeypatch.delenv("CUSTOM_TOKEN", raising=False)
+
+    sys.modules.pop("api.profiles", None)
+    profiles = importlib.import_module("api.profiles")
+    profiles = importlib.reload(profiles)
+
+    profiles.init_profile_state()
+    profiles.switch_profile("p1")
+    assert os.environ.get("OPENAI_API_KEY") == "secret-from-p1"
+    assert os.environ.get("CUSTOM_TOKEN") == "token-from-p1"
+
+    profiles.switch_profile("p2")
+    assert os.environ.get("OPENAI_API_KEY") is None
+    assert os.environ.get("CUSTOM_TOKEN") is None
+    assert profiles.get_active_profile_name() == "p2"
+
+
+def test_profile_switch_replaces_overlapping_keys(monkeypatch, tmp_path):
+    base = tmp_path / ".hermes"
+    (base / "profiles" / "p1").mkdir(parents=True)
+    (base / "profiles" / "p2").mkdir(parents=True)
+    (base / "profiles" / "p1" / ".env").write_text(
+        "OPENAI_API_KEY=secret-from-p1\nONLY_P1=one\n",
+        encoding="utf-8",
+    )
+    (base / "profiles" / "p2" / ".env").write_text(
+        "OPENAI_API_KEY=secret-from-p2\nONLY_P2=two\n",
+        encoding="utf-8",
+    )
+
+    monkeypatch.setenv("HERMES_BASE_HOME", str(base))
+    monkeypatch.delenv("HERMES_HOME", raising=False)
+    monkeypatch.delenv("OPENAI_API_KEY", raising=False)
+    monkeypatch.delenv("ONLY_P1", raising=False)
+    monkeypatch.delenv("ONLY_P2", raising=False)
+
+    sys.modules.pop("api.profiles", None)
+    profiles = importlib.import_module("api.profiles")
+    profiles = importlib.reload(profiles)
+
+    profiles.init_profile_state()
+    profiles.switch_profile("p1")
+    assert os.environ.get("OPENAI_API_KEY") == "secret-from-p1"
+    assert os.environ.get("ONLY_P1") == "one"
+
+    profiles.switch_profile("p2")
+    assert os.environ.get("OPENAI_API_KEY") == "secret-from-p2"
+    assert os.environ.get("ONLY_P1") is None
+    assert os.environ.get("ONLY_P2") == "two"