From 18f5a7dc79aa5bc42f4a1c7bb6ef2b28c4573d4e Mon Sep 17 00:00:00 2001
From: Matthew Roeschke <10647082+mroeschke@users.noreply.github.com>
Date: Mon, 6 Nov 2023 15:21:12 -0800
Subject: [PATCH] TST: Make read_csv tests pyarrow 13 compatable on 2.1.x

---
 pandas/tests/io/parser/common/test_common_basic.py | 8 ++++++--
 pandas/tests/io/parser/test_parse_dates.py         | 8 +++++++-
 2 files changed, 13 insertions(+), 3 deletions(-)

diff --git a/pandas/tests/io/parser/common/test_common_basic.py b/pandas/tests/io/parser/common/test_common_basic.py
index 00a26a755756f..442aa5ef87b10 100644
--- a/pandas/tests/io/parser/common/test_common_basic.py
+++ b/pandas/tests/io/parser/common/test_common_basic.py
@@ -86,7 +86,9 @@ def test_read_csv_local(all_parsers, csv1):
 
     fname = prefix + str(os.path.abspath(csv1))
     result = parser.read_csv(fname, index_col=0, parse_dates=True)
-
+    # TODO: make unit check more specific
+    if parser.engine == "pyarrow":
+        result.index = result.index.as_unit("ns")
     expected = DataFrame(
         [
             [0.980269, 3.685731, -0.364216805298, -1.159738],
@@ -177,7 +179,9 @@ def test_read_csv_low_memory_no_rows_with_index(all_parsers):
 def test_read_csv_dataframe(all_parsers, csv1):
     parser = all_parsers
     result = parser.read_csv(csv1, index_col=0, parse_dates=True)
-
+    # TODO: make unit check more specific
+    if parser.engine == "pyarrow":
+        result.index = result.index.as_unit("ns")
     expected = DataFrame(
         [
             [0.980269, 3.685731, -0.364216805298, -1.159738],
diff --git a/pandas/tests/io/parser/test_parse_dates.py b/pandas/tests/io/parser/test_parse_dates.py
index 9f7840588f89e..c6afff56de16b 100644
--- a/pandas/tests/io/parser/test_parse_dates.py
+++ b/pandas/tests/io/parser/test_parse_dates.py
@@ -979,12 +979,15 @@ def test_parse_dates_custom_euro_format(all_parsers, kwargs):
             )
 
 
-def test_parse_tz_aware(all_parsers, request):
+def test_parse_tz_aware(all_parsers):
     # See gh-1693
     parser = all_parsers
     data = "Date,x\n2012-06-13T01:39:00Z,0.5"
 
     result = parser.read_csv(StringIO(data), index_col=0, parse_dates=True)
+    # TODO: make unit check more specific
+    if parser.engine == "pyarrow":
+        result.index = result.index.as_unit("ns")
     expected = DataFrame(
         {"x": [0.5]}, index=Index([Timestamp("2012-06-13 01:39:00+00:00")], name="Date")
     )
@@ -2231,6 +2234,9 @@ def test_parse_dates_arrow_engine(all_parsers):
 2000-01-01 00:00:01,1"""
 
     result = parser.read_csv(StringIO(data), parse_dates=["a"])
+    # TODO: make unit check more specific
+    if parser.engine == "pyarrow":
+        result["a"] = result["a"].dt.as_unit("ns")
     expected = DataFrame(
         {
             "a": [