Removed pytest dependency from arcticdb (#1350)

* moved param_dict code from arcticdb/util/test.py to
python/tests/util/mark.py
* removed xfail arg and if clause (if was not used and broken - it
appended a tuple to a list)
* updated the only use case: test_normalization.py

---------

Co-authored-by: Nick Clarke <[email protected]>

environment_unix.yml

@@ -63,7 +63,6 @@ dependencies:
   - numpy
   - pandas
   - attrs
-  - pytest
   - boto3
   - werkzeug
   - moto
@@ -80,3 +79,4 @@ dependencies:
   - pyarrow
   - asv
   - pymongo
+  - pytest

python/arcticdb/util/test.py

@@ -11,12 +11,10 @@
 from typing import Mapping, Any, Optional, Iterable, NamedTuple, List, AnyStr
 import numpy as np
 import pandas as pd
-import pytest
 import string
 import random
 import time
 import attr
-from copy import deepcopy
 from functools import wraps
 
 from arcticdb.config import Defaults
@@ -128,22 +126,6 @@ def config_context(name, value):
             unset_config_int(name)
 
 
-def param_dict(fields, cases=None, xfail=None):
-    _cases = deepcopy(cases) if cases else dict()
-    if _cases:
-        ids, params = zip(*list(sorted(_cases.items())))
-    else:
-        ids, params = [], []
-
-    if xfail is not None:
-        xfail_ids, xfail_params = zip(*list(sorted(xfail.items())))
-        xfail_marker = tuple(pytest.mark.xfail()(p) for p in xfail_params)
-        params = params + xfail_marker
-        ids = ids + xfail_ids
-
-    return pytest.mark.parametrize(fields, params, ids=ids)
-
-
 CustomThing = NamedTuple(
     "CustomThing",
     [

python/tests/unit/arcticdb/version_store/test_normalization.py

@@ -37,7 +37,6 @@
 )
 from arcticdb.version_store._common import TimeFrame
 from arcticdb.util.test import (
-    param_dict,
     CustomThing,
     TestCustomNormalizer,
     assert_frame_equal,
@@ -46,6 +45,8 @@
 from arcticdb.util._versions import IS_PANDAS_ZERO, IS_PANDAS_TWO
 from arcticdb.exceptions import ArcticNativeException
 
+from tests.util.mark import param_dict
+
 params = {
     "simple_dict": {"a": "1", "b": 2, "c": 3.0, "d": True},
     "pd_ts": {"a": pd.Timestamp("2018-01-12 09:15"), "b": pd.Timestamp("2017-01-31", tz="America/New_York")},

python/tests/util/mark.py

@@ -11,6 +11,8 @@
 from typing import Union
 from datetime import date
 from numpy import datetime64
+from copy import deepcopy
+
 
 # TODO: Some tests are either segfaulting or failing on MacOS with conda builds.
 # This is meant to be used as a temporary flag to skip/xfail those tests.
@@ -60,3 +62,13 @@ def until(until_date: Union[datetime64, date, str], mark_decorator):
     ```
     """
     return mark_decorator if datetime64("today") <= datetime64(until_date) else _no_op_decorator
+
+
+def param_dict(fields, cases=None):
+    _cases = deepcopy(cases) if cases else dict()
+    if _cases:
+        ids, params = zip(*list(sorted(_cases.items())))
+    else:
+        ids, params = [], []
+
+    return pytest.mark.parametrize(fields, params, ids=ids)