fix: allow comparison with scalar values

Author: tswast

tests/compliance/conftest.py

@@ -12,10 +12,23 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
+import operator
+
 import pandas
 import pytest
 
 
+@pytest.fixture(params=[True, False])
+def as_array(request):
+    """
+    Boolean fixture to support ExtensionDtype _from_sequence method testing.
+
+    See:
+    https://github.com/pandas-dev/pandas/blob/main/pandas/tests/extension/conftest.py
+    """
+    return request.param
+
+
 @pytest.fixture(params=[True, False])
 def as_frame(request):
     """
@@ -38,6 +51,36 @@ def as_series(request):
     return request.param
 
 
+@pytest.fixture(params=[True, False])
+def box_in_series(request):
+    """
+    Whether to box the data in a Series
+
+    See:
+    https://github.com/pandas-dev/pandas/blob/main/pandas/tests/extension/conftest.py
+    """
+    return request.param
+
+
+@pytest.fixture(
+    params=[
+        operator.eq,
+        operator.ne,
+        operator.gt,
+        operator.ge,
+        operator.lt,
+        operator.le,
+    ]
+)
+def comparison_op(request):
+    """
+    Fixture for operator module comparison functions.
+
+    See: https://github.com/pandas-dev/pandas/blob/main/pandas/conftest.py
+    """
+    return request.param
+
+
 @pytest.fixture(params=["ffill", "bfill"])
 def fillna_method(request):
     """
@@ -50,6 +93,25 @@ def fillna_method(request):
     return request.param
 
 
+@pytest.fixture(
+    params=[
+        lambda x: 1,
+        lambda x: [1] * len(x),
+        lambda x: pandas.Series([1] * len(x)),
+        lambda x: x,
+    ],
+    ids=["scalar", "list", "series", "object"],
+)
+def groupby_apply_op(request):
+    """
+    Functions to test groupby.apply().
+
+    See:
+    https://github.com/pandas-dev/pandas/blob/main/pandas/tests/extension/conftest.py
+    """
+    return request.param
+
+
 @pytest.fixture
 def invalid_scalar(data):
     """

tests/compliance/date/test_date_compliance.py

@@ -74,3 +74,27 @@ def test_value_counts(self, all_data, dropna):
         expected = pandas.Series(other).value_counts(dropna=dropna).sort_index()
 
         self.assert_series_equal(result, expected)
+
+
+class TestCasting(base.BaseCastingTests):
+    pass
+
+
+class TestGroupby(base.BaseGroupbyTests):
+    pass
+
+
+class TestSetitem(base.BaseSetitemTests):
+    pass
+
+
+class TestPrinting(base.BasePrintingTests):
+    pass
+
+
+# TODO(https://github.com/googleapis/python-db-dtypes-pandas/issues/78): Add
+# compliance tests for arithmetic operations.
+
+
+class TestComparisonOps(base.BaseComparisonOpsTests):
+    pass