def METHOD_NAME(self):
    # Test obtaining pyproj.Proj projection values
    proj4Proj = large_image_source_gdal.GDALFileTileSource._proj4Proj
    proj = proj4Proj(b'epsg:4326')
    assert proj4Proj('epsg:4326').srs == proj.srs
    assert proj4Proj('proj4:EPSG:4326').srs == proj.srs
    assert proj4Proj(4326) is None