[ArrayManager] TST: enable JSON tests (except for table schema) (pandas-dev#41075)

Author: jorisvandenbossche

pandas/tests/io/json/test_compression.py

@@ -7,8 +7,6 @@
 import pandas as pd
 import pandas._testing as tm
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
 
 def test_compression_roundtrip(compression):
     df = pd.DataFrame(

pandas/tests/io/json/test_deprecated_kwargs.py

@@ -2,15 +2,11 @@
 Tests for the deprecated keyword arguments for `read_json`.
 """
 
-import pandas.util._test_decorators as td
-
 import pandas as pd
 import pandas._testing as tm
 
 from pandas.io.json import read_json
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
 
 def test_deprecated_kwargs():
     df = pd.DataFrame({"A": [2, 4, 6], "B": [3, 6, 9]}, index=[0, 1, 2])

pandas/tests/io/json/test_normalize.py

@@ -15,8 +15,6 @@
 
 from pandas.io.json._normalize import nested_to_record
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
 
 @pytest.fixture
 def deep_nested():
@@ -153,6 +151,8 @@ def test_simple_records(self):
 
         tm.assert_frame_equal(result, expected)
 
+    # TODO(ArrayManager) sanitize S/U numpy dtypes to object
+    @td.skip_array_manager_not_yet_implemented
     def test_simple_normalize(self, state_data):
         result = json_normalize(state_data[0], "counties")
         expected = DataFrame(state_data[0]["counties"])
@@ -372,6 +372,8 @@ def test_meta_parameter_not_modified(self):
         for val in ["metafoo", "metabar", "foo", "bar"]:
             assert val in result
 
+    # TODO(ArrayManager) sanitize S/U numpy dtypes to object
+    @td.skip_array_manager_not_yet_implemented
     def test_record_prefix(self, state_data):
         result = json_normalize(state_data[0], "counties")
         expected = DataFrame(state_data[0]["counties"])

pandas/tests/io/json/test_pandas.py

@@ -27,9 +27,6 @@
 )
 import pandas._testing as tm
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
-
 _seriesd = tm.getSeriesData()
 
 _frame = DataFrame(_seriesd)
@@ -318,7 +315,13 @@ def test_roundtrip_mixed(self, request, orient, convert_axes, numpy):
                 '{"columns":["A","B"],'
                 '"index":["2","3"],'
                 '"data":[[1.0,"1"],[2.0,"2"],[null,"3"]]}',
-                r"Shape of passed values is \(3, 2\), indices imply \(2, 2\)",
+                "|".join(
+                    [
+                        r"Shape of passed values is \(3, 2\), indices imply \(2, 2\)",
+                        "Passed arrays should have the same length as the rows Index: "
+                        "3 vs 2 rows",
+                    ]
+                ),
                 "split",
             ),
             # too many columns
@@ -854,6 +857,8 @@ def test_convert_dates_infer(self, infer_word):
         result = read_json(dumps(data))[["id", infer_word]]
         tm.assert_frame_equal(result, expected)
 
+    # TODO(ArrayManager) JSON
+    @td.skip_array_manager_not_yet_implemented
     @pytest.mark.parametrize(
         "date,date_unit",
         [

pandas/tests/io/json/test_readlines.py

@@ -3,8 +3,6 @@
 
 import pytest
 
-import pandas.util._test_decorators as td
-
 import pandas as pd
 from pandas import (
     DataFrame,
@@ -14,8 +12,6 @@
 
 from pandas.io.json._json import JsonReader
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
 
 @pytest.fixture
 def lines_json_df():

pandas/tests/io/json/test_ujson.py

@@ -18,7 +18,6 @@
     IS64,
     is_platform_windows,
 )
-import pandas.util._test_decorators as td
 
 from pandas import (
     DataFrame,
@@ -32,8 +31,6 @@
 )
 import pandas._testing as tm
 
-pytestmark = td.skip_array_manager_not_yet_implemented
-
 
 def _clean_dict(d):
     """