Make tests ignore haiku.rag.yaml

tests/conftest.py

@@ -1,9 +1,18 @@
+import os
 import tempfile
 from pathlib import Path
 
-import pytest
-import yaml
-from datasets import Dataset, load_dataset, load_from_disk
+# Prevent tests from loading user's local haiku.rag.yaml by setting env var
+# to an empty config file BEFORE any haiku.rag imports.
+# This ensures tests always use default config values.
+_test_config_dir = tempfile.mkdtemp()
+_test_config_path = Path(_test_config_dir) / "test-defaults.yaml"
+_test_config_path.write_text("{}")  # Empty YAML = use all defaults
+os.environ["HAIKU_RAG_CONFIG_PATH"] = str(_test_config_path)
+
+import pytest  # noqa: E402
+import yaml  # noqa: E402
+from datasets import Dataset, load_dataset, load_from_disk  # noqa: E402
 
 
 @pytest.fixture(scope="session")

tests/test_config.py

@@ -30,6 +30,7 @@ embeddings:
 
 def test_find_config_file_cwd(tmp_path, monkeypatch):
     """Test finding config in current directory."""
+    monkeypatch.delenv("HAIKU_RAG_CONFIG_PATH", raising=False)
     monkeypatch.chdir(tmp_path)
     config_file = tmp_path / "haiku.rag.yaml"
     config_file.write_text("environment: production")
@@ -40,6 +41,7 @@ def test_find_config_file_cwd(tmp_path, monkeypatch):
 
 def test_find_config_file_user_config(tmp_path, monkeypatch):
     """Test finding config in user config directory."""
+    monkeypatch.delenv("HAIKU_RAG_CONFIG_PATH", raising=False)
     monkeypatch.chdir(tmp_path)
 
     # Mock get_default_data_dir to return tmp_path
@@ -79,6 +81,7 @@ def test_find_config_file_env_var(tmp_path, monkeypatch):
 
 def test_find_config_file_not_found(tmp_path, monkeypatch):
     """Test returning None when no config found."""
+    monkeypatch.delenv("HAIKU_RAG_CONFIG_PATH", raising=False)
     monkeypatch.chdir(tmp_path)
 
     # Mock get_default_data_dir to return tmp_path
@@ -103,6 +106,8 @@ def test_find_config_file_cli_path_not_exists(tmp_path):
 
 def test_config_precedence_cwd_over_user(tmp_path, monkeypatch):
     """Test that cwd config takes precedence over user config."""
+    monkeypatch.delenv("HAIKU_RAG_CONFIG_PATH", raising=False)
+
     # Create separate directories for cwd and user config
     cwd_dir = tmp_path / "cwd"
     cwd_dir.mkdir()