Feat/multispectral dataloader 5ch

conftest.py

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+"""
+Pytest configuration file for multispectral dataloader tests.
+
+This file registers custom command-line options and fixtures for pytest.
+"""
+
+import os
+import pytest
+
+def pytest_addoption(parser):
+    """Add custom command line options to pytest."""
+    parser.addoption(
+        "--data-dir",
+        action="store",
+        default=None,
+        help="Directory containing multispectral TIFF files for testing"
+    )
+
+@pytest.fixture
+def data_dir(request):
+    """Fixture to provide the data directory path to tests."""
+    data_dir = request.config.getoption("--data-dir")
+    if data_dir is None:
+        pytest.skip("--data-dir not specified")
+    if not os.path.exists(data_dir):
+        pytest.skip(f"Data directory {data_dir} does not exist")
+    return data_dir