CI: Fix IPython Tab Completion test async warning

ci/deps/azure-36-locale.yaml

@@ -9,6 +9,7 @@ dependencies:
   - cython>=0.29.13
   - pytest>=5.0.1
   - pytest-xdist>=1.21
+  - pytest-asyncio
   - hypothesis>=3.58.0
   - pytest-azurepipelines
 

ci/deps/azure-37-locale.yaml

@@ -8,6 +8,7 @@ dependencies:
   - cython>=0.29.13
   - pytest>=5.0.1
   - pytest-xdist>=1.21
+  - pytest-asyncio
   - hypothesis>=3.58.0
   - pytest-azurepipelines
 

environment.yml

@@ -55,6 +55,7 @@ dependencies:
   - pytest>=5.0.1
   - pytest-cov
   - pytest-xdist>=1.21
+  - pytest-asyncio
 
   # downstream tests
   - seaborn

pandas/conftest.py

@@ -11,6 +11,7 @@
 import pytest
 from pytz import FixedOffset, utc
 
+from pandas.compat._optional import import_optional_dependency
 import pandas.util._test_decorators as td
 
 import pandas as pd
@@ -930,3 +931,13 @@ def __len__(self):
             return self._data.__len__()
 
     return TestNonDictMapping
+
+
+def async_mark():
+    try:
+        import_optional_dependency("pytest_asyncio")
+        async_mark = pytest.mark.asyncio
+    except ImportError:
+        async_mark = pytest.mark.skip(reason="Missing dependency pytest-asyncio")
+
+    return async_mark

pandas/tests/arrays/categorical/test_warnings.py

@@ -1,16 +1,18 @@
 import pytest
 
 import pandas._testing as tm
+from pandas.conftest import async_mark
 
 
 class TestCategoricalWarnings:
-    def test_tab_complete_warning(self, ip):
+    @async_mark()
+    async def test_tab_complete_warning(self, ip):
         # https://github.com/pandas-dev/pandas/issues/16409
         pytest.importorskip("IPython", minversion="6.0.0")
         from IPython.core.completer import provisionalcompleter
 
         code = "import pandas as pd; c = Categorical([])"
-        ip.run_code(code)
+        await ip.run_code(code)
         with tm.assert_produces_warning(None):
             with provisionalcompleter("ignore"):
                 list(ip.Completer.completions("c.", 1))

pandas/tests/frame/test_api.py

@@ -10,6 +10,7 @@
 import pandas as pd
 from pandas import Categorical, DataFrame, Series, compat, date_range, timedelta_range
 import pandas._testing as tm
+from pandas.conftest import async_mark
 
 
 class TestDataFrameMisc:
@@ -539,13 +540,14 @@ def _check_f(base, f):
         f = lambda x: x.rename({1: "foo"}, inplace=True)
         _check_f(d.copy(), f)
 
-    def test_tab_complete_warning(self, ip):
+    @async_mark()
+    async def test_tab_complete_warning(self, ip):
         # GH 16409
         pytest.importorskip("IPython", minversion="6.0.0")
         from IPython.core.completer import provisionalcompleter
 
         code = "import pandas as pd; df = pd.DataFrame()"
-        ip.run_code(code)
+        await ip.run_code(code)
         with tm.assert_produces_warning(None):
             with provisionalcompleter("ignore"):
                 list(ip.Completer.completions("df.", 1))

pandas/tests/indexes/test_base.py

@@ -33,6 +33,7 @@
     period_range,
 )
 import pandas._testing as tm
+from pandas.conftest import async_mark
 from pandas.core.algorithms import safe_sort
 from pandas.core.indexes.api import (
     Index,
@@ -2397,13 +2398,14 @@ def test_cached_properties_not_settable(self):
         with pytest.raises(AttributeError, match="Can't set attribute"):
             index.is_unique = False
 
-    def test_tab_complete_warning(self, ip):
+    @async_mark()
+    async def test_tab_complete_warning(self, ip):
         # https://github.com/pandas-dev/pandas/issues/16409
         pytest.importorskip("IPython", minversion="6.0.0")
         from IPython.core.completer import provisionalcompleter
 
         code = "import pandas as pd; idx = pd.Index([1, 2])"
-        ip.run_code(code)
+        await ip.run_code(code)
         with tm.assert_produces_warning(None):
             with provisionalcompleter("ignore"):
                 list(ip.Completer.completions("idx.", 4))

pandas/tests/series/test_api.py

@@ -20,6 +20,7 @@
     timedelta_range,
 )
 import pandas._testing as tm
+from pandas.conftest import async_mark
 from pandas.core.arrays import PeriodArray
 
 import pandas.io.formats.printing as printing
@@ -491,13 +492,14 @@ def test_empty_method(self):
         for full_series in [pd.Series([1]), s2]:
             assert not full_series.empty
 
-    def test_tab_complete_warning(self, ip):
+    @async_mark()
+    async def test_tab_complete_warning(self, ip):
         # https://github.com/pandas-dev/pandas/issues/16409
         pytest.importorskip("IPython", minversion="6.0.0")
         from IPython.core.completer import provisionalcompleter
 
         code = "import pandas as pd; s = pd.Series()"
-        ip.run_code(code)
+        await ip.run_code(code)
         with tm.assert_produces_warning(None):
             with provisionalcompleter("ignore"):
                 list(ip.Completer.completions("s.", 1))

requirements-dev.txt

@@ -36,6 +36,7 @@ moto
 pytest>=5.0.1
 pytest-cov
 pytest-xdist>=1.21
+pytest-asyncio
 seaborn
 statsmodels
 ipywidgets