Add config and client injection with test reorganization.

Introduce typed config objects, optional adapter injection, and .env loading to simplify testing while preserving env-based defaults for production usage.

Co-authored-by: Cursor <[email protected]>

tests/unit/minio_adapter_test.py

@@ -0,0 +1,55 @@
+"""Unit tests for MinioAdapter instantiation and injection."""
+
+from __future__ import annotations
+
+from unittest.mock import MagicMock
+
+import pytest
+from minio import Minio
+
+from python_repositories.adapters.minio_adapter import MinioAdapter
+from python_repositories.interfaces import ObjectRepositoryInterface
+from tests.conftest import TEST_MINIO_CONFIG
+
+
+def test_should_adhere_to_interface() -> None:
+    assert issubclass(MinioAdapter, ObjectRepositoryInterface)
+    _ = MinioAdapter(config=TEST_MINIO_CONFIG)
+
+
+def test_should_have_logger_when_instantiated() -> None:
+    adapter = MinioAdapter(config=TEST_MINIO_CONFIG)
+    assert hasattr(adapter, "logger")
+    assert adapter.logger is not None
+
+
+def test_should_not_be_connected_when_instantiated() -> None:
+    adapter = MinioAdapter(config=TEST_MINIO_CONFIG)
+    assert not adapter.is_connected()
+
+
+def test_constructs_with_injected_config_without_env(
+    monkeypatch: pytest.MonkeyPatch,
+) -> None:
+    for var in (
+        "MINIO_ENDPOINT",
+        "MINIO_ACCESS_KEY",
+        "MINIO_SECRET_KEY",
+        "MINIO_BUCKET",
+    ):
+        monkeypatch.delenv(var, raising=False)
+    adapter = MinioAdapter(config=TEST_MINIO_CONFIG)
+    assert adapter._config == TEST_MINIO_CONFIG
+
+
+def test_injected_client_sets_bucket_name() -> None:
+    mock_client = MagicMock(spec=Minio)
+    adapter = MinioAdapter(config=TEST_MINIO_CONFIG, client=mock_client)
+    assert adapter._bucket_name == "test-bucket"
+    assert adapter._client is mock_client
+
+
+def test_raises_when_client_provided_without_config() -> None:
+    mock_client = MagicMock(spec=Minio)
+    with pytest.raises(ValueError, match="config is required"):
+        MinioAdapter(client=mock_client)