change conftest

Author: Rubtsowa

protocol/tests/conftest.py

@@ -1,7 +1,20 @@
 import pytest
 import pandas as pd
+from pandas.api.exchange.implementation import _from_dataframe
 
 
-@pytest.fixture
-def constructor_frame(data):
-    return pd.DataFrame(data)
+@pytest.fixture(scope="package")
+def df_from_dict():
+    def maker(dct, is_categorical=False):
+        df = pd.DataFrame(dct)
+        return df.astype("category") if is_categorical else df
+
+    return maker
+
+
+@pytest.fixture(scope="package")
+def df_from_xchg():
+    def maker(xchg):
+        return _from_dataframe(xchg)
+
+    return maker