Matteo Rosati
93 lines
3.2 KiB
Python
93 lines
3.2 KiB
Python
from __future__ import annotations
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import os
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import tempfile
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import unittest
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from pathlib import Path
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from unittest.mock import patch
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from chromy.chroma_functions import get_client
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from chromy.errors import ChromaPathError
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class ChromaFunctionsTests(unittest.TestCase):
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def test_get_client_uses_default_when_env_is_unset(self) -> None:
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with (
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patch.dict(os.environ, {}, clear=True),
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patch("chromy.chroma_functions.chromadb.PersistentClient") as persistent,
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):
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get_client()
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persistent.assert_called_once_with()
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def test_get_client_uses_chroma_folder_override(self) -> None:
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with tempfile.TemporaryDirectory() as temp_dir:
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configured_parent = Path(temp_dir) / "data"
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with (
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patch.dict(os.environ, {"CHROMA_FOLDER": str(configured_parent)}),
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patch(
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"chromy.chroma_functions.chromadb.PersistentClient"
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) as persistent,
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):
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get_client()
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expected_path = configured_parent.resolve() / "chroma"
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persistent.assert_called_once_with(path=str(expected_path))
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self.assertTrue(expected_path.is_dir())
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def test_get_client_resolves_relative_chroma_folder_from_cwd(self) -> None:
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with tempfile.TemporaryDirectory() as temp_dir:
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working_dir = Path(temp_dir)
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previous_cwd = Path.cwd()
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try:
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os.chdir(working_dir)
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with (
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patch.dict(os.environ, {"CHROMA_FOLDER": "relative-parent"}),
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patch(
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"chromy.chroma_functions.chromadb.PersistentClient"
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) as persistent,
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):
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get_client()
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finally:
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os.chdir(previous_cwd)
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expected_path = (working_dir / "relative-parent").resolve() / "chroma"
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persistent.assert_called_once_with(path=str(expected_path))
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def test_get_client_fails_when_configured_path_is_not_usable(self) -> None:
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with tempfile.TemporaryDirectory() as temp_dir:
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invalid_parent = Path(temp_dir) / "not-a-directory"
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invalid_parent.write_text("x", encoding="utf-8")
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with (
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patch.dict(os.environ, {"CHROMA_FOLDER": str(invalid_parent)}),
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self.assertRaisesRegex(
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ChromaPathError,
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"Could not create or access Chroma directory",
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),
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):
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get_client()
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def test_get_client_wraps_client_initialization_failures(self) -> None:
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with tempfile.TemporaryDirectory() as temp_dir:
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configured_parent = Path(temp_dir)
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with (
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patch.dict(os.environ, {"CHROMA_FOLDER": str(configured_parent)}),
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patch(
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"chromy.chroma_functions.chromadb.PersistentClient",
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side_effect=RuntimeError("boom"),
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),
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self.assertRaisesRegex(
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ChromaPathError,
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"Could not initialize Chroma client",
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),
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):
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get_client()
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if __name__ == "__main__":
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unittest.main()
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