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The following commit(s) were added to refs/heads/master by this push:
     new e7145ae51bfe [SPARK-46504][PS][TESTS][FOLLOWUPS] Moving slow tests out 
of `IndexesTests`: conversion and drop methods
e7145ae51bfe is described below

commit e7145ae51bfe7f5ffb8d927004f2fa4aa670cc95
Author: Ruifeng Zheng <[email protected]>
AuthorDate: Sat Dec 30 14:02:25 2023 +0800

    [SPARK-46504][PS][TESTS][FOLLOWUPS] Moving slow tests out of 
`IndexesTests`: conversion and drop methods
    
    ### What changes were proposed in this pull request?
    Moving slow tests out of `IndexesTests`: conversion and drop methods
    
    ### Why are the changes needed?
    for testing parallelism
    
    ### Does this PR introduce _any_ user-facing change?
    no
    
    ### How was this patch tested?
    updated ci
    
    ### Was this patch authored or co-authored using generative AI tooling?
    no
    
    Closes #44536 from zhengruifeng/ps_test_idx_base_conversion_drop.
    
    Authored-by: Ruifeng Zheng <[email protected]>
    Signed-off-by: Ruifeng Zheng <[email protected]>
---
 dev/sparktestsupport/modules.py                    |   4 +
 .../connect/indexes/test_parity_conversion.py      |  41 +++
 .../tests/connect/indexes/test_parity_drop.py      |  41 +++
 python/pyspark/pandas/tests/indexes/test_base.py   | 385 ---------------------
 .../pandas/tests/indexes/test_conversion.py        | 313 +++++++++++++++++
 python/pyspark/pandas/tests/indexes/test_drop.py   | 176 ++++++++++
 6 files changed, 575 insertions(+), 385 deletions(-)

diff --git a/dev/sparktestsupport/modules.py b/dev/sparktestsupport/modules.py
index 8595e7ec0e67..7f0c31201c84 100644
--- a/dev/sparktestsupport/modules.py
+++ b/dev/sparktestsupport/modules.py
@@ -796,6 +796,8 @@ pyspark_pandas_slow = Module(
         "pyspark.pandas.series",
         # unittests
         "pyspark.pandas.tests.indexes.test_base",
+        "pyspark.pandas.tests.indexes.test_conversion",
+        "pyspark.pandas.tests.indexes.test_drop",
         "pyspark.pandas.tests.indexes.test_asof",
         "pyspark.pandas.tests.indexes.test_astype",
         "pyspark.pandas.tests.indexes.test_delete",
@@ -1086,6 +1088,8 @@ pyspark_pandas_connect_part0 = Module(
         "pyspark.pandas.tests.connect.test_parity_typedef",
         "pyspark.pandas.tests.connect.test_parity_utils",
         "pyspark.pandas.tests.connect.indexes.test_parity_base",
+        "pyspark.pandas.tests.connect.indexes.test_parity_conversion",
+        "pyspark.pandas.tests.connect.indexes.test_parity_drop",
         "pyspark.pandas.tests.connect.indexes.test_parity_asof",
         "pyspark.pandas.tests.connect.indexes.test_parity_astype",
         "pyspark.pandas.tests.connect.indexes.test_parity_delete",
diff --git 
a/python/pyspark/pandas/tests/connect/indexes/test_parity_conversion.py 
b/python/pyspark/pandas/tests/connect/indexes/test_parity_conversion.py
new file mode 100644
index 000000000000..ecb7aa2e7bc6
--- /dev/null
+++ b/python/pyspark/pandas/tests/connect/indexes/test_parity_conversion.py
@@ -0,0 +1,41 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import unittest
+
+from pyspark.pandas.tests.indexes.test_conversion import ConversionMixin
+from pyspark.testing.connectutils import ReusedConnectTestCase
+from pyspark.testing.pandasutils import PandasOnSparkTestUtils
+
+
+class ConversionParityTests(
+    ConversionMixin,
+    PandasOnSparkTestUtils,
+    ReusedConnectTestCase,
+):
+    pass
+
+
+if __name__ == "__main__":
+    from pyspark.pandas.tests.connect.indexes.test_parity_conversion import *  
# noqa: F401
+
+    try:
+        import xmlrunner  # type: ignore[import]
+
+        testRunner = xmlrunner.XMLTestRunner(output="target/test-reports", 
verbosity=2)
+    except ImportError:
+        testRunner = None
+    unittest.main(testRunner=testRunner, verbosity=2)
diff --git a/python/pyspark/pandas/tests/connect/indexes/test_parity_drop.py 
b/python/pyspark/pandas/tests/connect/indexes/test_parity_drop.py
new file mode 100644
index 000000000000..abfe366447c1
--- /dev/null
+++ b/python/pyspark/pandas/tests/connect/indexes/test_parity_drop.py
@@ -0,0 +1,41 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import unittest
+
+from pyspark.pandas.tests.indexes.test_drop import IndexesDropMixin
+from pyspark.testing.connectutils import ReusedConnectTestCase
+from pyspark.testing.pandasutils import PandasOnSparkTestUtils
+
+
+class IndexesDropParityTests(
+    IndexesDropMixin,
+    PandasOnSparkTestUtils,
+    ReusedConnectTestCase,
+):
+    pass
+
+
+if __name__ == "__main__":
+    from pyspark.pandas.tests.connect.indexes.test_parity_drop import *  # 
noqa: F401
+
+    try:
+        import xmlrunner  # type: ignore[import]
+
+        testRunner = xmlrunner.XMLTestRunner(output="target/test-reports", 
verbosity=2)
+    except ImportError:
+        testRunner = None
+    unittest.main(testRunner=testRunner, verbosity=2)
diff --git a/python/pyspark/pandas/tests/indexes/test_base.py 
b/python/pyspark/pandas/tests/indexes/test_base.py
index baa3f01c2ca5..788319a38c2d 100644
--- a/python/pyspark/pandas/tests/indexes/test_base.py
+++ b/python/pyspark/pandas/tests/indexes/test_base.py
@@ -69,41 +69,6 @@ class IndexesTestsMixin:
         with self.assertRaisesRegex(TypeError, "Index.name must be a hashable 
type"):
             ps.Index([1.0, 2.0, 3.0], name=[(1, 2, 3)])
 
-    def test_index_from_series(self):
-        pser = pd.Series([1, 2, 3], name="a", index=[10, 20, 30])
-        psser = ps.from_pandas(pser)
-
-        self.assert_eq(ps.Index(psser), pd.Index(pser))
-        self.assert_eq(ps.Index(psser, dtype="float"), pd.Index(pser, 
dtype="float"))
-        self.assert_eq(ps.Index(psser, name="x"), pd.Index(pser, name="x"))
-
-        self.assert_eq(ps.Index(psser, dtype="int64"), pd.Index(pser, 
dtype="int64"))
-        self.assert_eq(ps.Index(psser, dtype="float64"), pd.Index(pser, 
dtype="float64"))
-
-        pser = pd.Series([datetime(2021, 3, 1), datetime(2021, 3, 2)], 
name="x", index=[10, 20])
-        psser = ps.from_pandas(pser)
-
-        self.assert_eq(ps.Index(psser), pd.Index(pser))
-        self.assert_eq(ps.DatetimeIndex(psser), pd.DatetimeIndex(pser))
-
-    def test_index_from_index(self):
-        pidx = pd.Index([1, 2, 3], name="a")
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(ps.Index(psidx), pd.Index(pidx))
-        self.assert_eq(ps.Index(psidx, dtype="float"), pd.Index(pidx, 
dtype="float"))
-        self.assert_eq(ps.Index(psidx, name="x"), pd.Index(pidx, name="x"))
-        self.assert_eq(ps.Index(psidx, copy=True), pd.Index(pidx, copy=True))
-
-        self.assert_eq(ps.Index(psidx, dtype="int64"), pd.Index(pidx, 
dtype="int64"))
-        self.assert_eq(ps.Index(psidx, dtype="float64"), pd.Index(pidx, 
dtype="float64"))
-
-        pidx = pd.DatetimeIndex(["2021-03-01", "2021-03-02"])
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(ps.Index(psidx), pd.Index(pidx))
-        self.assert_eq(ps.DatetimeIndex(psidx), pd.DatetimeIndex(pidx))
-
     def test_index_getattr(self):
         psidx = self.psdf.index
         item = "databricks"
@@ -126,110 +91,6 @@ class IndexesTestsMixin:
         with self.assertRaisesRegex(AttributeError, expected_error_message):
             psidx.__getattr__(item)
 
-    def test_to_series(self):
-        pidx = self.pdf.index
-        psidx = self.psdf.index
-
-        self.assert_eq(psidx.to_series(), pidx.to_series())
-        self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
-
-        # With name
-        pidx.name = "Koalas"
-        psidx.name = "Koalas"
-        self.assert_eq(psidx.to_series(), pidx.to_series())
-        self.assert_eq(psidx.to_series(name=("x", "a")), 
pidx.to_series(name=("x", "a")))
-
-        # With tupled name
-        pidx.name = ("x", "a")
-        psidx.name = ("x", "a")
-        self.assert_eq(psidx.to_series(), pidx.to_series())
-        self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
-
-        self.assert_eq((psidx + 1).to_series(), (pidx + 1).to_series())
-
-        pidx = self.pdf.set_index("b", append=True).index
-        psidx = self.psdf.set_index("b", append=True).index
-
-        with self.sql_conf({SPARK_CONF_ARROW_ENABLED: False}):
-            self.assert_eq(psidx.to_series(), pidx.to_series())
-            self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
-
-        expected_error_message = "Series.name must be a hashable type"
-        with self.assertRaisesRegex(TypeError, expected_error_message):
-            psidx.to_series(name=["x", "a"])
-
-    def test_to_frame(self):
-        pidx = self.pdf.index
-        psidx = self.psdf.index
-
-        self.assert_eq(psidx.to_frame(), pidx.to_frame())
-        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
-
-        pidx.name = "a"
-        psidx.name = "a"
-
-        self.assert_eq(psidx.to_frame(), pidx.to_frame())
-        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
-
-        self.assert_eq(psidx.to_frame(name="x"), pidx.to_frame(name="x"))
-        self.assert_eq(psidx.to_frame(index=False, name="x"), 
pidx.to_frame(index=False, name="x"))
-
-        self.assertRaises(TypeError, lambda: psidx.to_frame(name=["x"]))
-
-        # non-string name
-        self.assert_eq(psidx.to_frame(name=10), pidx.to_frame(name=10))
-        self.assert_eq(psidx.to_frame(name=("x", 10)), 
pidx.to_frame(name=("x", 10)))
-
-        pidx = self.pdf.set_index("b", append=True).index
-        psidx = self.psdf.set_index("b", append=True).index
-
-        self.assert_eq(psidx.to_frame(), pidx.to_frame())
-        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
-
-        self.assert_eq(psidx.to_frame(name=["x", "y"]), 
pidx.to_frame(name=["x", "y"]))
-        self.assert_eq(psidx.to_frame(name=("x", "y")), 
pidx.to_frame(name=("x", "y")))
-        self.assert_eq(
-            psidx.to_frame(index=False, name=["x", "y"]),
-            pidx.to_frame(index=False, name=["x", "y"]),
-        )
-
-        self.assertRaises(TypeError, lambda: psidx.to_frame(name="x"))
-        self.assertRaises(ValueError, lambda: psidx.to_frame(name=["x"]))
-
-        # non-string names
-        self.assert_eq(psidx.to_frame(name=[10, 20]), pidx.to_frame(name=[10, 
20]))
-        self.assert_eq(psidx.to_frame(name=("x", 10)), 
pidx.to_frame(name=("x", 10)))
-        if LooseVersion(pd.__version__) < LooseVersion("1.5.0"):
-            self.assert_eq(
-                psidx.to_frame(name=[("x", 10), ("y", 20)]),
-                pidx.to_frame(name=[("x", 10), ("y", 20)]),
-            )
-        else:
-            # Since pandas 1.5.0, the result is changed as below:
-            #      (x, 10)  (y, 20)
-            #   b
-            # 0 4        0        4
-            # 1 5        1        5
-            # 3 6        3        6
-            # 5 3        5        3
-            # 6 2        6        2
-            # 8 1        8        1
-            # 9 0        9        0
-            #   0        9        0
-            #   0        9        0
-            #
-            # The columns should be `Index([('x', 20), ('y', 20)], 
dtype='object')`,
-            # but pandas API on Spark doesn't support such a way for creating 
Index.
-            # So, we currently cannot follow the behavior of pandas.
-            expected_result = ps.DataFrame(
-                {("x", 10): [0, 1, 3, 5, 6, 8, 9, 9, 9], ("y", 20): [4, 5, 6, 
3, 2, 1, 0, 0, 0]},
-                index=ps.MultiIndex.from_tuples(
-                    [(0, 4), (1, 5), (3, 6), (5, 3), (6, 2), (8, 1), (9, 0), 
(9, 0), (9, 0)],
-                    names=[None, "b"],
-                ),
-            )
-            self.assert_eq(psidx.to_frame(name=[("x", 10), ("y", 20)]), 
expected_result)
-
     def test_index_names(self):
         psdf = self.psdf
         self.assertIsNone(psdf.index.name)
@@ -400,47 +261,6 @@ class IndexesTestsMixin:
 
         self.assert_eq(psdf.index.copy(), pdf.index.copy())
 
-    def test_drop_duplicates(self):
-        pidx = pd.Index([4, 2, 4, 1, 4, 3])
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(psidx.drop_duplicates(), pidx.drop_duplicates())
-        self.assert_eq((psidx + 1).drop_duplicates(), (pidx + 
1).drop_duplicates())
-
-        self.assert_eq(psidx.drop_duplicates(keep="first"), 
pidx.drop_duplicates(keep="first"))
-        self.assert_eq(psidx.drop_duplicates(keep="last"), 
pidx.drop_duplicates(keep="last"))
-        self.assert_eq(psidx.drop_duplicates(keep=False), 
pidx.drop_duplicates(keep=False))
-
-        arrays = [[1, 2, 3, 1, 2], ["red", "blue", "black", "red", "blue"]]
-        pmidx = pd.MultiIndex.from_arrays(arrays, names=("number", "color"))
-        psmidx = ps.from_pandas(pmidx)
-        self.assert_eq(psmidx.drop_duplicates(), pmidx.drop_duplicates())
-        self.assert_eq(psmidx.drop_duplicates(keep="first"), 
pmidx.drop_duplicates(keep="first"))
-        self.assert_eq(psmidx.drop_duplicates(keep="last"), 
pmidx.drop_duplicates(keep="last"))
-        self.assert_eq(psmidx.drop_duplicates(keep=False), 
pmidx.drop_duplicates(keep=False))
-
-    def test_dropna(self):
-        pidx = pd.Index([np.nan, 2, 4, 1, None, 3])
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(psidx.dropna(), pidx.dropna())
-        self.assert_eq((psidx + 1).dropna(), (pidx + 1).dropna())
-
-        self.assert_eq(psidx.dropna(how="any"), pidx.dropna(how="any"))
-        self.assert_eq(psidx.dropna(how="all"), pidx.dropna(how="all"))
-
-        pmidx = pd.MultiIndex.from_tuples(
-            [(np.nan, 1.0), (2.0, 2.0), (np.nan, None), (3.0, np.nan)]
-        )
-        psmidx = ps.from_pandas(pmidx)
-        self.assert_eq(psmidx.dropna(), pmidx.dropna())
-        self.assert_eq(psmidx.dropna(how="any"), pmidx.dropna(how="any"))
-        self.assert_eq(psmidx.dropna(how="all"), pmidx.dropna(how="all"))
-
-        invalid_how = "none"
-        with self.assertRaisesRegex(ValueError, "invalid how option: %s" % 
invalid_how):
-            psmidx.dropna(invalid_how)
-
     def test_index_symmetric_difference(self):
         pidx1 = pd.Index([1, 2, 3, 4])
         pidx2 = pd.Index([2, 3, 4, 5])
@@ -748,13 +568,6 @@ class IndexesTestsMixin:
 
         self.assertEqual(psdf.index.nlevels, 2)
 
-    def test_multiindex_from_arrays(self):
-        arrays = [["a", "a", "b", "b"], ["red", "blue", "red", "blue"]]
-        pidx = pd.MultiIndex.from_arrays(arrays)
-        psidx = ps.MultiIndex.from_arrays(arrays)
-
-        self.assert_eq(pidx, psidx)
-
     def test_multiindex_swaplevel(self):
         pidx = pd.MultiIndex.from_arrays([["a", "b"], [1, 2]])
         psidx = ps.from_pandas(pidx)
@@ -779,46 +592,6 @@ class IndexesTestsMixin:
         with self.assertRaisesRegex(KeyError, "Level work not found"):
             psidx.swaplevel(0, "work")
 
-    def test_multiindex_droplevel(self):
-        pidx = pd.MultiIndex.from_tuples(
-            [("a", "x", 1), ("b", "y", 2)], names=["level1", "level2", 
"level3"]
-        )
-        psidx = ps.from_pandas(pidx)
-        with self.assertRaisesRegex(IndexError, "Too many levels: Index has 
only 3 levels, not 5"):
-            psidx.droplevel(4)
-
-        with self.assertRaisesRegex(KeyError, "Level level4 not found"):
-            psidx.droplevel("level4")
-
-        with self.assertRaisesRegex(KeyError, "Level.*level3.*level4.*not 
found"):
-            psidx.droplevel([("level3", "level4")])
-
-        with self.assertRaisesRegex(
-            ValueError,
-            "Cannot remove 4 levels from an index with 3 levels: at least one "
-            "level must be left.",
-        ):
-            psidx.droplevel([0, 0, 1, 2])
-
-        with self.assertRaisesRegex(
-            ValueError,
-            "Cannot remove 3 levels from an index with 3 levels: at least one "
-            "level must be left.",
-        ):
-            psidx.droplevel([0, 1, 2])
-
-        self.assert_eq(pidx.droplevel(0), psidx.droplevel(0))
-        self.assert_eq(pidx.droplevel([0, 1]), psidx.droplevel([0, 1]))
-        self.assert_eq(pidx.droplevel((0, 1)), psidx.droplevel((0, 1)))
-        self.assert_eq(pidx.droplevel([0, "level2"]), psidx.droplevel([0, 
"level2"]))
-        self.assert_eq(pidx.droplevel((0, "level2")), psidx.droplevel((0, 
"level2")))
-
-        # non-string names
-        pidx = pd.MultiIndex.from_tuples([("a", "x", 1), ("b", "y", 2)], 
names=[1.0, 2.0, 3.0])
-        psidx = ps.from_pandas(pidx)
-        self.assert_eq(pidx.droplevel(1.0), psidx.droplevel(1.0))
-        self.assert_eq(pidx.droplevel([0, 2.0]), psidx.droplevel([0, 2.0]))
-
     def test_index_fillna(self):
         pidx = pd.Index([1, 2, None])
         psidx = ps.from_pandas(pidx)
@@ -829,36 +602,6 @@ class IndexesTestsMixin:
         with self.assertRaisesRegex(TypeError, "Unsupported type list"):
             psidx.fillna([1, 2])
 
-    def test_index_drop(self):
-        pidx = pd.Index([1, 2, 3])
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(pidx.drop(1), psidx.drop(1))
-        self.assert_eq(pidx.drop([1, 2]), psidx.drop([1, 2]))
-        self.assert_eq((pidx + 1).drop([2, 3]), (psidx + 1).drop([2, 3]))
-
-    def test_multiindex_drop(self):
-        pidx = pd.MultiIndex.from_tuples(
-            [("a", "x"), ("b", "y"), ("c", "z")], names=["level1", "level2"]
-        )
-        psidx = ps.from_pandas(pidx)
-        self.assert_eq(pidx.drop("a"), psidx.drop("a"))
-        self.assert_eq(pidx.drop(["a", "b"]), psidx.drop(["a", "b"]))
-        self.assert_eq(pidx.drop(["x", "y"], level=1), psidx.drop(["x", "y"], 
level=1))
-        self.assert_eq(
-            pidx.drop(["x", "y"], level="level2"), psidx.drop(["x", "y"], 
level="level2")
-        )
-
-        pidx.names = ["lv1", "lv2"]
-        psidx.names = ["lv1", "lv2"]
-        self.assert_eq(pidx.drop(["x", "y"], level="lv2"), psidx.drop(["x", 
"y"], level="lv2"))
-
-        self.assertRaises(IndexError, lambda: psidx.drop(["a", "b"], level=2))
-        self.assertRaises(KeyError, lambda: psidx.drop(["a", "b"], 
level="level"))
-
-        psidx.names = ["lv", "lv"]
-        self.assertRaises(ValueError, lambda: psidx.drop(["x", "y"], 
level="lv"))
-
     def _test_sort_values(self, pidx, psidx):
         self.assert_eq(pidx.sort_values(), psidx.sort_values())
         # Parameter ascending
@@ -900,15 +643,6 @@ class IndexesTestsMixin:
 
         self._test_sort_values(pidx, psidx)
 
-    def test_index_drop_duplicates(self):
-        pidx = pd.Index([1, 1, 2])
-        psidx = ps.from_pandas(pidx)
-        self.assert_eq(pidx.drop_duplicates().sort_values(), 
psidx.drop_duplicates().sort_values())
-
-        pidx = pd.MultiIndex.from_tuples([(1, 1), (1, 1), (2, 2)], 
names=["level1", "level2"])
-        psidx = ps.from_pandas(pidx)
-        self.assert_eq(pidx.drop_duplicates().sort_values(), 
psidx.drop_duplicates().sort_values())
-
     def test_index_sort(self):
         idx = ps.Index([1, 2, 3, 4, 5])
         midx = ps.MultiIndex.from_tuples([("a", "x", 1), ("b", "y", 2)])
@@ -997,20 +731,6 @@ class IndexesTestsMixin:
         psidx.set_names("third", level=2, inplace=True)
         self.assert_eq(pidx, psidx)
 
-    def test_multiindex_from_tuples(self):
-        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "blue")]
-        pidx = pd.MultiIndex.from_tuples(tuples)
-        psidx = ps.MultiIndex.from_tuples(tuples)
-
-        self.assert_eq(pidx, psidx)
-
-    def test_multiindex_from_product(self):
-        iterables = [[0, 1, 2], ["green", "purple"]]
-        pidx = pd.MultiIndex.from_product(iterables)
-        psidx = ps.MultiIndex.from_product(iterables)
-
-        self.assert_eq(pidx, psidx)
-
     def test_multiindex_tuple_column_name(self):
         column_labels = pd.MultiIndex.from_tuples([("a", "x"), ("a", "y"), 
("b", "z")])
         pdf = pd.DataFrame([[1, 2, 3], [4, 5, 6], [7, 8, 9]], 
columns=column_labels)
@@ -1336,83 +1056,6 @@ class IndexesTestsMixin:
         psmidx = ps.from_pandas(pmidx)
         self.assert_eq(pmidx.inferred_type, psmidx.inferred_type)
 
-    def test_multi_index_from_index(self):
-        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "blue")]
-        pmidx = pd.Index(tuples)
-        psmidx = ps.Index(tuples)
-
-        self.assertTrue(isinstance(psmidx, ps.MultiIndex))
-        self.assert_eq(pmidx, psmidx)
-
-        # Specify the `names`
-        # Specify the `names` while Index creating is no longer supported from 
pandas 2.0.0.
-        if LooseVersion(pd.__version__) >= LooseVersion("2.0.0"):
-            pmidx = pd.Index(tuples)
-            pmidx.names = ["Hello", "Koalas"]
-            psmidx = ps.Index(tuples)
-            psmidx.names = ["Hello", "Koalas"]
-        else:
-            pmidx = pd.Index(tuples, names=["Hello", "Koalas"])
-            psmidx = ps.Index(tuples, names=["Hello", "Koalas"])
-
-        self.assertTrue(isinstance(psmidx, ps.MultiIndex))
-        self.assert_eq(pmidx, psmidx)
-
-    def test_multiindex_from_frame(self):
-        pdf = pd.DataFrame(
-            [["HI", "Temp"], ["HI", "Precip"], ["NJ", "Temp"], ["NJ", 
"Precip"]], columns=["a", "b"]
-        )
-        psdf = ps.from_pandas(pdf)
-        pidx = pd.MultiIndex.from_frame(pdf)
-        psidx = ps.MultiIndex.from_frame(psdf)
-
-        self.assert_eq(pidx, psidx)
-
-        # Specify `names`
-        pidx = pd.MultiIndex.from_frame(pdf, names=["state", "observation"])
-        psidx = ps.MultiIndex.from_frame(psdf, names=["state", "observation"])
-        self.assert_eq(pidx, psidx)
-
-        pidx = pd.MultiIndex.from_frame(pdf, names=("state", "observation"))
-        psidx = ps.MultiIndex.from_frame(psdf, names=("state", "observation"))
-        self.assert_eq(pidx, psidx)
-
-        # MultiIndex columns
-        pidx = pd.MultiIndex.from_tuples([("a", "w"), ("b", "x")])
-        pdf.columns = pidx
-        psdf = ps.from_pandas(pdf)
-
-        pidx = pd.MultiIndex.from_frame(pdf)
-        psidx = ps.MultiIndex.from_frame(psdf)
-
-        self.assert_eq(pidx, psidx)
-
-        # tuples for names
-        pidx = pd.MultiIndex.from_frame(pdf, names=[("a", "w"), ("b", "x")])
-        psidx = ps.MultiIndex.from_frame(psdf, names=[("a", "w"), ("b", "x")])
-
-        self.assert_eq(pidx, psidx)
-
-        err_msg = "Input must be a DataFrame"
-        with self.assertRaisesRegex(TypeError, err_msg):
-            ps.MultiIndex.from_frame({"a": [1, 2, 3], "b": [4, 5, 6]})
-
-        self.assertRaises(TypeError, lambda: ps.MultiIndex.from_frame(psdf, 
names="ab"))
-
-        # non-string names
-        self.assert_eq(
-            ps.MultiIndex.from_frame(psdf, names=[0, 1]),
-            pd.MultiIndex.from_frame(pdf, names=[0, 1]),
-        )
-        self.assert_eq(
-            ps.MultiIndex.from_frame(psdf, names=[("x", 0), ("y", 1)]),
-            pd.MultiIndex.from_frame(pdf, names=[("x", 0), ("y", 1)]),
-        )
-
-        pdf = pd.DataFrame([["HI", "Temp"], ["HI", "Precip"], ["NJ", "Temp"], 
["NJ", "Precip"]])
-        psdf = ps.from_pandas(pdf)
-        self.assert_eq(ps.MultiIndex.from_frame(psdf), 
pd.MultiIndex.from_frame(pdf))
-
     def test_index_is_unique(self):
         indexes = [("a", "b", "c"), ("a", "a", "c"), (1, 3, 3), (1, 2, 3)]
         names = [None, "ks", "ks", None]
@@ -1451,18 +1094,6 @@ class IndexesTestsMixin:
 
         self.assert_eq(pmidx.view(), psmidx.view())
 
-    def test_to_list(self):
-        # Index
-        pidx = pd.Index([1, 2, 3, 4, 5])
-        psidx = ps.from_pandas(pidx)
-        # MultiIndex
-        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "green")]
-        pmidx = pd.MultiIndex.from_tuples(tuples)
-        psmidx = ps.from_pandas(pmidx)
-
-        self.assert_eq(psidx.tolist(), pidx.tolist())
-        self.assert_eq(psmidx.tolist(), pmidx.tolist())
-
     def test_index_ops(self):
         pidx = pd.Index([1, 2, 3, 4, 5])
         psidx = ps.from_pandas(pidx)
@@ -1534,22 +1165,6 @@ class IndexesTestsMixin:
         psmidx2 = ps.from_pandas(pmidx2)
         self.assert_eq(pmidx1.equal_levels(pmidx2), 
psmidx1.equal_levels(psmidx2))
 
-    def test_to_numpy(self):
-        pidx = pd.Index([1, 2, 3, 4])
-        psidx = ps.from_pandas(pidx)
-
-        self.assert_eq(pidx.to_numpy(copy=True), psidx.to_numpy(copy=True))
-
-    def test_drop_level(self):
-        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "green")]
-        pmidx = pd.MultiIndex.from_tuples(tuples)
-        psmidx = ps.from_pandas(pmidx)
-
-        with self.assertRaisesRegex(
-            IndexError, "Too many levels: Index has only 2 levels, -3 is not a 
valid level number"
-        ):
-            psmidx.droplevel(-3)
-
     def test_multi_index_nunique(self):
         tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "green")]
         pmidx = pd.MultiIndex.from_tuples(tuples)
diff --git a/python/pyspark/pandas/tests/indexes/test_conversion.py 
b/python/pyspark/pandas/tests/indexes/test_conversion.py
new file mode 100644
index 000000000000..5790fb66ecf9
--- /dev/null
+++ b/python/pyspark/pandas/tests/indexes/test_conversion.py
@@ -0,0 +1,313 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+import unittest
+from datetime import datetime
+
+import pandas as pd
+
+from pyspark import pandas as ps
+from pyspark.loose_version import LooseVersion
+from pyspark.testing.pandasutils import PandasOnSparkTestCase, 
SPARK_CONF_ARROW_ENABLED
+from pyspark.testing.sqlutils import SQLTestUtils
+
+
+class ConversionMixin:
+    @property
+    def pdf(self):
+        return pd.DataFrame(
+            {"a": [1, 2, 3, 4, 5, 6, 7, 8, 9], "b": [4, 5, 6, 3, 2, 1, 0, 0, 
0]},
+            index=[0, 1, 3, 5, 6, 8, 9, 9, 9],
+        )
+
+    @property
+    def psdf(self):
+        return ps.from_pandas(self.pdf)
+
+    def test_index_from_series(self):
+        pser = pd.Series([1, 2, 3], name="a", index=[10, 20, 30])
+        psser = ps.from_pandas(pser)
+
+        self.assert_eq(ps.Index(psser), pd.Index(pser))
+        self.assert_eq(ps.Index(psser, dtype="float"), pd.Index(pser, 
dtype="float"))
+        self.assert_eq(ps.Index(psser, name="x"), pd.Index(pser, name="x"))
+
+        self.assert_eq(ps.Index(psser, dtype="int64"), pd.Index(pser, 
dtype="int64"))
+        self.assert_eq(ps.Index(psser, dtype="float64"), pd.Index(pser, 
dtype="float64"))
+
+        pser = pd.Series([datetime(2021, 3, 1), datetime(2021, 3, 2)], 
name="x", index=[10, 20])
+        psser = ps.from_pandas(pser)
+
+        self.assert_eq(ps.Index(psser), pd.Index(pser))
+        self.assert_eq(ps.DatetimeIndex(psser), pd.DatetimeIndex(pser))
+
+    def test_index_from_index(self):
+        pidx = pd.Index([1, 2, 3], name="a")
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(ps.Index(psidx), pd.Index(pidx))
+        self.assert_eq(ps.Index(psidx, dtype="float"), pd.Index(pidx, 
dtype="float"))
+        self.assert_eq(ps.Index(psidx, name="x"), pd.Index(pidx, name="x"))
+        self.assert_eq(ps.Index(psidx, copy=True), pd.Index(pidx, copy=True))
+
+        self.assert_eq(ps.Index(psidx, dtype="int64"), pd.Index(pidx, 
dtype="int64"))
+        self.assert_eq(ps.Index(psidx, dtype="float64"), pd.Index(pidx, 
dtype="float64"))
+
+        pidx = pd.DatetimeIndex(["2021-03-01", "2021-03-02"])
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(ps.Index(psidx), pd.Index(pidx))
+        self.assert_eq(ps.DatetimeIndex(psidx), pd.DatetimeIndex(pidx))
+
+    def test_multiindex_from_arrays(self):
+        arrays = [["a", "a", "b", "b"], ["red", "blue", "red", "blue"]]
+        pidx = pd.MultiIndex.from_arrays(arrays)
+        psidx = ps.MultiIndex.from_arrays(arrays)
+
+        self.assert_eq(pidx, psidx)
+
+    def test_multiindex_from_tuples(self):
+        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "blue")]
+        pidx = pd.MultiIndex.from_tuples(tuples)
+        psidx = ps.MultiIndex.from_tuples(tuples)
+
+        self.assert_eq(pidx, psidx)
+
+    def test_multiindex_from_product(self):
+        iterables = [[0, 1, 2], ["green", "purple"]]
+        pidx = pd.MultiIndex.from_product(iterables)
+        psidx = ps.MultiIndex.from_product(iterables)
+
+        self.assert_eq(pidx, psidx)
+
+    def test_multi_index_from_index(self):
+        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "blue")]
+        pmidx = pd.Index(tuples)
+        psmidx = ps.Index(tuples)
+
+        self.assertTrue(isinstance(psmidx, ps.MultiIndex))
+        self.assert_eq(pmidx, psmidx)
+
+        # Specify the `names`
+        # Specify the `names` while Index creating is no longer supported from 
pandas 2.0.0.
+        if LooseVersion(pd.__version__) >= LooseVersion("2.0.0"):
+            pmidx = pd.Index(tuples)
+            pmidx.names = ["Hello", "Koalas"]
+            psmidx = ps.Index(tuples)
+            psmidx.names = ["Hello", "Koalas"]
+        else:
+            pmidx = pd.Index(tuples, names=["Hello", "Koalas"])
+            psmidx = ps.Index(tuples, names=["Hello", "Koalas"])
+
+        self.assertTrue(isinstance(psmidx, ps.MultiIndex))
+        self.assert_eq(pmidx, psmidx)
+
+    def test_multiindex_from_frame(self):
+        pdf = pd.DataFrame(
+            [["HI", "Temp"], ["HI", "Precip"], ["NJ", "Temp"], ["NJ", 
"Precip"]], columns=["a", "b"]
+        )
+        psdf = ps.from_pandas(pdf)
+        pidx = pd.MultiIndex.from_frame(pdf)
+        psidx = ps.MultiIndex.from_frame(psdf)
+
+        self.assert_eq(pidx, psidx)
+
+        # Specify `names`
+        pidx = pd.MultiIndex.from_frame(pdf, names=["state", "observation"])
+        psidx = ps.MultiIndex.from_frame(psdf, names=["state", "observation"])
+        self.assert_eq(pidx, psidx)
+
+        pidx = pd.MultiIndex.from_frame(pdf, names=("state", "observation"))
+        psidx = ps.MultiIndex.from_frame(psdf, names=("state", "observation"))
+        self.assert_eq(pidx, psidx)
+
+        # MultiIndex columns
+        pidx = pd.MultiIndex.from_tuples([("a", "w"), ("b", "x")])
+        pdf.columns = pidx
+        psdf = ps.from_pandas(pdf)
+
+        pidx = pd.MultiIndex.from_frame(pdf)
+        psidx = ps.MultiIndex.from_frame(psdf)
+
+        self.assert_eq(pidx, psidx)
+
+        # tuples for names
+        pidx = pd.MultiIndex.from_frame(pdf, names=[("a", "w"), ("b", "x")])
+        psidx = ps.MultiIndex.from_frame(psdf, names=[("a", "w"), ("b", "x")])
+
+        self.assert_eq(pidx, psidx)
+
+        err_msg = "Input must be a DataFrame"
+        with self.assertRaisesRegex(TypeError, err_msg):
+            ps.MultiIndex.from_frame({"a": [1, 2, 3], "b": [4, 5, 6]})
+
+        self.assertRaises(TypeError, lambda: ps.MultiIndex.from_frame(psdf, 
names="ab"))
+
+        # non-string names
+        self.assert_eq(
+            ps.MultiIndex.from_frame(psdf, names=[0, 1]),
+            pd.MultiIndex.from_frame(pdf, names=[0, 1]),
+        )
+        self.assert_eq(
+            ps.MultiIndex.from_frame(psdf, names=[("x", 0), ("y", 1)]),
+            pd.MultiIndex.from_frame(pdf, names=[("x", 0), ("y", 1)]),
+        )
+
+        pdf = pd.DataFrame([["HI", "Temp"], ["HI", "Precip"], ["NJ", "Temp"], 
["NJ", "Precip"]])
+        psdf = ps.from_pandas(pdf)
+        self.assert_eq(ps.MultiIndex.from_frame(psdf), 
pd.MultiIndex.from_frame(pdf))
+
+    def test_to_series(self):
+        pidx = self.pdf.index
+        psidx = self.psdf.index
+
+        self.assert_eq(psidx.to_series(), pidx.to_series())
+        self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
+
+        # With name
+        pidx.name = "Koalas"
+        psidx.name = "Koalas"
+        self.assert_eq(psidx.to_series(), pidx.to_series())
+        self.assert_eq(psidx.to_series(name=("x", "a")), 
pidx.to_series(name=("x", "a")))
+
+        # With tupled name
+        pidx.name = ("x", "a")
+        psidx.name = ("x", "a")
+        self.assert_eq(psidx.to_series(), pidx.to_series())
+        self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
+
+        self.assert_eq((psidx + 1).to_series(), (pidx + 1).to_series())
+
+        pidx = self.pdf.set_index("b", append=True).index
+        psidx = self.psdf.set_index("b", append=True).index
+
+        with self.sql_conf({SPARK_CONF_ARROW_ENABLED: False}):
+            self.assert_eq(psidx.to_series(), pidx.to_series())
+            self.assert_eq(psidx.to_series(name="a"), pidx.to_series(name="a"))
+
+        expected_error_message = "Series.name must be a hashable type"
+        with self.assertRaisesRegex(TypeError, expected_error_message):
+            psidx.to_series(name=["x", "a"])
+
+    def test_to_frame(self):
+        pidx = self.pdf.index
+        psidx = self.psdf.index
+
+        self.assert_eq(psidx.to_frame(), pidx.to_frame())
+        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
+
+        pidx.name = "a"
+        psidx.name = "a"
+
+        self.assert_eq(psidx.to_frame(), pidx.to_frame())
+        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
+
+        self.assert_eq(psidx.to_frame(name="x"), pidx.to_frame(name="x"))
+        self.assert_eq(psidx.to_frame(index=False, name="x"), 
pidx.to_frame(index=False, name="x"))
+
+        self.assertRaises(TypeError, lambda: psidx.to_frame(name=["x"]))
+
+        # non-string name
+        self.assert_eq(psidx.to_frame(name=10), pidx.to_frame(name=10))
+        self.assert_eq(psidx.to_frame(name=("x", 10)), 
pidx.to_frame(name=("x", 10)))
+
+        pidx = self.pdf.set_index("b", append=True).index
+        psidx = self.psdf.set_index("b", append=True).index
+
+        self.assert_eq(psidx.to_frame(), pidx.to_frame())
+        self.assert_eq(psidx.to_frame(index=False), pidx.to_frame(index=False))
+
+        self.assert_eq(psidx.to_frame(name=["x", "y"]), 
pidx.to_frame(name=["x", "y"]))
+        self.assert_eq(psidx.to_frame(name=("x", "y")), 
pidx.to_frame(name=("x", "y")))
+        self.assert_eq(
+            psidx.to_frame(index=False, name=["x", "y"]),
+            pidx.to_frame(index=False, name=["x", "y"]),
+        )
+
+        self.assertRaises(TypeError, lambda: psidx.to_frame(name="x"))
+        self.assertRaises(ValueError, lambda: psidx.to_frame(name=["x"]))
+
+        # non-string names
+        self.assert_eq(psidx.to_frame(name=[10, 20]), pidx.to_frame(name=[10, 
20]))
+        self.assert_eq(psidx.to_frame(name=("x", 10)), 
pidx.to_frame(name=("x", 10)))
+        if LooseVersion(pd.__version__) < LooseVersion("1.5.0"):
+            self.assert_eq(
+                psidx.to_frame(name=[("x", 10), ("y", 20)]),
+                pidx.to_frame(name=[("x", 10), ("y", 20)]),
+            )
+        else:
+            # Since pandas 1.5.0, the result is changed as below:
+            #      (x, 10)  (y, 20)
+            #   b
+            # 0 4        0        4
+            # 1 5        1        5
+            # 3 6        3        6
+            # 5 3        5        3
+            # 6 2        6        2
+            # 8 1        8        1
+            # 9 0        9        0
+            #   0        9        0
+            #   0        9        0
+            #
+            # The columns should be `Index([('x', 20), ('y', 20)], 
dtype='object')`,
+            # but pandas API on Spark doesn't support such a way for creating 
Index.
+            # So, we currently cannot follow the behavior of pandas.
+            expected_result = ps.DataFrame(
+                {("x", 10): [0, 1, 3, 5, 6, 8, 9, 9, 9], ("y", 20): [4, 5, 6, 
3, 2, 1, 0, 0, 0]},
+                index=ps.MultiIndex.from_tuples(
+                    [(0, 4), (1, 5), (3, 6), (5, 3), (6, 2), (8, 1), (9, 0), 
(9, 0), (9, 0)],
+                    names=[None, "b"],
+                ),
+            )
+            self.assert_eq(psidx.to_frame(name=[("x", 10), ("y", 20)]), 
expected_result)
+
+    def test_to_list(self):
+        # Index
+        pidx = pd.Index([1, 2, 3, 4, 5])
+        psidx = ps.from_pandas(pidx)
+        # MultiIndex
+        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "green")]
+        pmidx = pd.MultiIndex.from_tuples(tuples)
+        psmidx = ps.from_pandas(pmidx)
+
+        self.assert_eq(psidx.tolist(), pidx.tolist())
+        self.assert_eq(psmidx.tolist(), pmidx.tolist())
+
+    def test_to_numpy(self):
+        pidx = pd.Index([1, 2, 3, 4])
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(pidx.to_numpy(copy=True), psidx.to_numpy(copy=True))
+
+
+class ConversionTests(
+    ConversionMixin,
+    PandasOnSparkTestCase,
+    SQLTestUtils,
+):
+    pass
+
+
+if __name__ == "__main__":
+    from pyspark.pandas.tests.indexes.test_conversion import *  # noqa: F401
+
+    try:
+        import xmlrunner
+
+        testRunner = xmlrunner.XMLTestRunner(output="target/test-reports", 
verbosity=2)
+    except ImportError:
+        testRunner = None
+    unittest.main(testRunner=testRunner, verbosity=2)
diff --git a/python/pyspark/pandas/tests/indexes/test_drop.py 
b/python/pyspark/pandas/tests/indexes/test_drop.py
new file mode 100644
index 000000000000..7f5a3b480e1c
--- /dev/null
+++ b/python/pyspark/pandas/tests/indexes/test_drop.py
@@ -0,0 +1,176 @@
+#
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+#
+
+import unittest
+
+import numpy as np
+import pandas as pd
+
+import pyspark.pandas as ps
+from pyspark.testing.pandasutils import ComparisonTestBase, TestUtils
+
+
+class IndexesDropMixin:
+    def test_drop_duplicates(self):
+        pidx = pd.Index([4, 2, 4, 1, 4, 3])
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(psidx.drop_duplicates(), pidx.drop_duplicates())
+        self.assert_eq((psidx + 1).drop_duplicates(), (pidx + 
1).drop_duplicates())
+
+        self.assert_eq(psidx.drop_duplicates(keep="first"), 
pidx.drop_duplicates(keep="first"))
+        self.assert_eq(psidx.drop_duplicates(keep="last"), 
pidx.drop_duplicates(keep="last"))
+        self.assert_eq(psidx.drop_duplicates(keep=False), 
pidx.drop_duplicates(keep=False))
+
+        arrays = [[1, 2, 3, 1, 2], ["red", "blue", "black", "red", "blue"]]
+        pmidx = pd.MultiIndex.from_arrays(arrays, names=("number", "color"))
+        psmidx = ps.from_pandas(pmidx)
+        self.assert_eq(psmidx.drop_duplicates(), pmidx.drop_duplicates())
+        self.assert_eq(psmidx.drop_duplicates(keep="first"), 
pmidx.drop_duplicates(keep="first"))
+        self.assert_eq(psmidx.drop_duplicates(keep="last"), 
pmidx.drop_duplicates(keep="last"))
+        self.assert_eq(psmidx.drop_duplicates(keep=False), 
pmidx.drop_duplicates(keep=False))
+
+    def test_dropna(self):
+        pidx = pd.Index([np.nan, 2, 4, 1, None, 3])
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(psidx.dropna(), pidx.dropna())
+        self.assert_eq((psidx + 1).dropna(), (pidx + 1).dropna())
+
+        self.assert_eq(psidx.dropna(how="any"), pidx.dropna(how="any"))
+        self.assert_eq(psidx.dropna(how="all"), pidx.dropna(how="all"))
+
+        pmidx = pd.MultiIndex.from_tuples(
+            [(np.nan, 1.0), (2.0, 2.0), (np.nan, None), (3.0, np.nan)]
+        )
+        psmidx = ps.from_pandas(pmidx)
+        self.assert_eq(psmidx.dropna(), pmidx.dropna())
+        self.assert_eq(psmidx.dropna(how="any"), pmidx.dropna(how="any"))
+        self.assert_eq(psmidx.dropna(how="all"), pmidx.dropna(how="all"))
+
+        invalid_how = "none"
+        with self.assertRaisesRegex(ValueError, "invalid how option: %s" % 
invalid_how):
+            psmidx.dropna(invalid_how)
+
+    def test_drop_level(self):
+        tuples = [(1, "red"), (1, "blue"), (2, "red"), (2, "green")]
+        pmidx = pd.MultiIndex.from_tuples(tuples)
+        psmidx = ps.from_pandas(pmidx)
+
+        with self.assertRaisesRegex(
+            IndexError, "Too many levels: Index has only 2 levels, -3 is not a 
valid level number"
+        ):
+            psmidx.droplevel(-3)
+
+    def test_multiindex_droplevel(self):
+        pidx = pd.MultiIndex.from_tuples(
+            [("a", "x", 1), ("b", "y", 2)], names=["level1", "level2", 
"level3"]
+        )
+        psidx = ps.from_pandas(pidx)
+        with self.assertRaisesRegex(IndexError, "Too many levels: Index has 
only 3 levels, not 5"):
+            psidx.droplevel(4)
+
+        with self.assertRaisesRegex(KeyError, "Level level4 not found"):
+            psidx.droplevel("level4")
+
+        with self.assertRaisesRegex(KeyError, "Level.*level3.*level4.*not 
found"):
+            psidx.droplevel([("level3", "level4")])
+
+        with self.assertRaisesRegex(
+            ValueError,
+            "Cannot remove 4 levels from an index with 3 levels: at least one "
+            "level must be left.",
+        ):
+            psidx.droplevel([0, 0, 1, 2])
+
+        with self.assertRaisesRegex(
+            ValueError,
+            "Cannot remove 3 levels from an index with 3 levels: at least one "
+            "level must be left.",
+        ):
+            psidx.droplevel([0, 1, 2])
+
+        self.assert_eq(pidx.droplevel(0), psidx.droplevel(0))
+        self.assert_eq(pidx.droplevel([0, 1]), psidx.droplevel([0, 1]))
+        self.assert_eq(pidx.droplevel((0, 1)), psidx.droplevel((0, 1)))
+        self.assert_eq(pidx.droplevel([0, "level2"]), psidx.droplevel([0, 
"level2"]))
+        self.assert_eq(pidx.droplevel((0, "level2")), psidx.droplevel((0, 
"level2")))
+
+        # non-string names
+        pidx = pd.MultiIndex.from_tuples([("a", "x", 1), ("b", "y", 2)], 
names=[1.0, 2.0, 3.0])
+        psidx = ps.from_pandas(pidx)
+        self.assert_eq(pidx.droplevel(1.0), psidx.droplevel(1.0))
+        self.assert_eq(pidx.droplevel([0, 2.0]), psidx.droplevel([0, 2.0]))
+
+    def test_index_drop(self):
+        pidx = pd.Index([1, 2, 3])
+        psidx = ps.from_pandas(pidx)
+
+        self.assert_eq(pidx.drop(1), psidx.drop(1))
+        self.assert_eq(pidx.drop([1, 2]), psidx.drop([1, 2]))
+        self.assert_eq((pidx + 1).drop([2, 3]), (psidx + 1).drop([2, 3]))
+
+    def test_multiindex_drop(self):
+        pidx = pd.MultiIndex.from_tuples(
+            [("a", "x"), ("b", "y"), ("c", "z")], names=["level1", "level2"]
+        )
+        psidx = ps.from_pandas(pidx)
+        self.assert_eq(pidx.drop("a"), psidx.drop("a"))
+        self.assert_eq(pidx.drop(["a", "b"]), psidx.drop(["a", "b"]))
+        self.assert_eq(pidx.drop(["x", "y"], level=1), psidx.drop(["x", "y"], 
level=1))
+        self.assert_eq(
+            pidx.drop(["x", "y"], level="level2"), psidx.drop(["x", "y"], 
level="level2")
+        )
+
+        pidx.names = ["lv1", "lv2"]
+        psidx.names = ["lv1", "lv2"]
+        self.assert_eq(pidx.drop(["x", "y"], level="lv2"), psidx.drop(["x", 
"y"], level="lv2"))
+
+        self.assertRaises(IndexError, lambda: psidx.drop(["a", "b"], level=2))
+        self.assertRaises(KeyError, lambda: psidx.drop(["a", "b"], 
level="level"))
+
+        psidx.names = ["lv", "lv"]
+        self.assertRaises(ValueError, lambda: psidx.drop(["x", "y"], 
level="lv"))
+
+    def test_index_drop_duplicates(self):
+        pidx = pd.Index([1, 1, 2])
+        psidx = ps.from_pandas(pidx)
+        self.assert_eq(pidx.drop_duplicates().sort_values(), 
psidx.drop_duplicates().sort_values())
+
+        pidx = pd.MultiIndex.from_tuples([(1, 1), (1, 1), (2, 2)], 
names=["level1", "level2"])
+        psidx = ps.from_pandas(pidx)
+        self.assert_eq(pidx.drop_duplicates().sort_values(), 
psidx.drop_duplicates().sort_values())
+
+
+class IndexesDropTests(
+    IndexesDropMixin,
+    ComparisonTestBase,
+    TestUtils,
+):
+    pass
+
+
+if __name__ == "__main__":
+    from pyspark.pandas.tests.indexes.test_drop import *  # noqa: F401
+
+    try:
+        import xmlrunner
+
+        testRunner = xmlrunner.XMLTestRunner(output="target/test-reports", 
verbosity=2)
+    except ImportError:
+        testRunner = None
+    unittest.main(testRunner=testRunner, verbosity=2)


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