FIX: Pandas deprecation warning.

tests/test_server_side_scripting.py

@@ -70,6 +70,28 @@ def clean_database():
         d.delete()
 
 
+def assert_stderr(stderr) -> None:
+    """Assert that ``stderr`` is either None or contains only the pyarrow deprecation warning.
+
+This can probably removed with Pandas 3.0, to be replaced by ``assert stderr is None``.
+
+Parameters
+----------
+stderr
+  The object to be tested.
+    """
+    if stderr is None:
+        return
+    assert isinstance(stderr, str)
+    assert stderr.split(sep="\n", maxsplit=1)[1] == """Pyarrow will become a required dependency of pandas in the next major release of pandas (pandas 3.0),
+(to allow more performant data types, such as the Arrow string type, and better interoperability with other libraries)
+but was not found to be installed on your system.
+If this would cause problems for you,
+please provide us feedback at https://github.com/pandas-dev/pandas/issues/54466
+        
+  i = __import__(m)"""
+
+
 def setup_function(function):
     clean_database()
 
@@ -148,7 +170,7 @@ def test_call_ok():
     xml = etree.parse(r)
     assert xml.xpath("/Response/script/call")[0].text == "ok"
     assert xml.xpath("/Response/script/stdout")[0].text == "ok"
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
     assert xml.xpath("/Response/script/@code")[0] == "0"
 
 
@@ -163,7 +185,7 @@ def test_call_err():
     assert xml.xpath("/Response/script/@code")[0] == "1"
     assert xml.xpath("/Response/script/call")[0].text == "err"
     assert xml.xpath("/Response/script/stdout")[0].text is None
-    assert xml.xpath("/Response/script/stderr")[0].text == "err"
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
 
 
 def test_run_server_side_script_with_file_as_positional_param():
@@ -178,7 +200,7 @@ def test_run_server_side_script_with_file_as_positional_param():
                                       exit="123",
                                       query="COUNT ENTITY TestRT",
                                       files={"-p2": "test_file.txt"})
-    assert response.stderr is None
+    assert_stderr(response.stderr)
     assert response.code == 123
     assert response.call == ('administration/diagnostics.py '
                              '--exit=123 --query=COUNT ENTITY TestRT '
@@ -203,7 +225,7 @@ def test_run_server_side_script_with_additional_file():
                                       exit="123",
                                       query="COUNT ENTITY TestRT",
                                       files={"dummykey": "test_file.txt"})
-    assert response.stderr is None
+    assert_stderr(response.stderr)
     assert response.code == 123
     assert response.call == ('administration/diagnostics.py '
                              '--exit=123 --query=COUNT ENTITY TestRT '
@@ -250,7 +272,7 @@ def test_diagnostics_basic():
                                                              "with code 123.")
     assert xml.xpath("/Response/script/call")[0].text.startswith(
         "administration/diagnostics.py")
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
 
 
 def test_diagnostics_with_file_upload():
@@ -293,7 +315,7 @@ def test_diagnostics_with_file_upload():
                                                            "with code 0.")
     assert xml.xpath("/Response/script/call")[0].text.startswith(
         "administration/diagnostics.py")
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
 
 
 @mark.local_server
@@ -403,7 +425,7 @@ def test_anonymous_script_calling_success():
     assert xml.xpath("/Response/UserInfo/Roles/Role")[0].text == "anonymous"
     assert xml.xpath("/Response/script/call")[0].text == "ok_anonymous"
     assert xml.xpath("/Response/script/stdout")[0].text == "ok_anonymous"
-    assert xml.xpath("/Response/script/stderr")[0].text is None
+    assert_stderr(xml.xpath("/Response/script/stderr")[0].text)
     assert xml.xpath("/Response/script/@code")[0] == "0"