class_docstr: Useful commands
  - run all tests: pytest examples/orderbook_data/example.py
  - run a single test:  pytest -s --pdb --disable-warnings examples/orderbook_data/example.py::TestClass::test_basic01
class_docstr_tok: ["Useful","commands","-","run","all","tests",":","pytest","examples\/orderbook_data\/example.py","-","run","a","single","test",":","pytest","-s","--","pdb","--","disable-warnings","examples\/orderbook_data\/example.py",":",":TestClass",":",":test_basic01"]
docstr: Configure for arctic
docstr_tok: ["Configure","for","arctic"]
code: def setUp(self):
      """
      Configure for arctic
      """
      provider_uri = "~/.qlib/qlib_data/yahoo_cn_1min"
      qlib.init(
          provider_uri=provider_uri,
          mem_cache_size_limit=1024**3 * 2,
          mem_cache_type="sizeof",
          kernels=1,
          expression_provider={
              "class": "LocalExpressionProvider",
              "kwargs": {"time2idx": False},
          },
          feature_provider={
              "class": "ArcticFeatureProvider",
              "module_path": "qlib.contrib.data.data",
              "kwargs": {"uri": "127.0.0.1"},
          },
          dataset_provider={
              "class": "LocalDatasetProvider",
              "kwargs": {
                  "align_time": False,  # Order book is not fixed, so it can't be align to a shared fixed frequency calendar
              },
          },
      )
      # self.stocks_list = ["SH600519"]
      self.stocks_list = ["SZ000725"]
  
imports: from arctic.arctic import Arctic
  import qlib
  from qlib.data import D
  import unittest
label_desc: Use image node_id 1 for calling the TestClass obj's underlying member method code with example usage: obj.setUp() without return types