[python] Test case for #5520 (incorrect serialization of infinity)

mihaibudiu · gz · commit 105aa15f4bb0 · 2026-05-17T08:29:20.000Z
Signed-off-by: Mihai Budiu &lt;mbudiu@feldera.com&gt;
diff --git a/python/feldera/pipeline.py b/python/feldera/pipeline.py
@@ -1045,7 +1045,7 @@ def query_arrow(self, query: str) -> Generator[pa.RecordBatch, None, None]:
     def query_arrow_dicts(self, query: str) -> Generator[Mapping[str, Any], None, None]:
         """
         Executes an ad-hoc SQL query on this pipeline and returns a generator
-        that yields the result as a list of Dictionaries.
+        that yields the result as a sequence of Dictionaries.
 
         Note:
             You can only ``SELECT`` from materialized tables and views.
diff --git a/python/tests/runtime/test_doubles.py b/python/tests/runtime/test_doubles.py
@@ -48,7 +48,6 @@ def test_local(self):
 
         pipeline.wait_for_completion()
         data = list(pipeline.query_arrow_dicts("SELECT * FROM v"))
-        print(data)
         assert len(data) == 1
         assert data[0]["one"] == float("inf")
         assert math.isnan(data[0]["zero"])
diff --git a/python/tests/runtime_aggtest/aggregate_tests4/test_map_arg_max.py b/python/tests/runtime_aggtest/aggregate_tests4/test_map_arg_max.py
@@ -1,11 +1,6 @@
 from tests.runtime_aggtest.aggtst_base import TstView
 import pyarrow as pa
 
-
-def mkmap(d):
-    return pa.array(d, type=pa.map_(pa.string(), pa.int64())).to_pylist()
-
-
 class aggtst_map_arg_max_value(TstView):
     def __init__(self):
         # checked manually
diff --git a/python/tests/runtime_aggtest/unsigned_int_tests/test_un_int_arith_fn.py b/python/tests/runtime_aggtest/unsigned_int_tests/test_un_int_arith_fn.py
@@ -1,7 +1,6 @@
-from tests.runtime_aggtest.aggtst_base import TstView
+from tests.runtime_aggtest.aggtst_base import TstTable, TstView
 
 
-# NOTE: SINH, COSH, EXP tests are supplied smaller input due to: https://github.com/feldera/feldera/issues/5520
 # ABS
 class un_int_abs(TstView):
     def __init__(self):
@@ -366,6 +365,22 @@ def __init__(self):
                       WHERE id = 1"""
 
 
+
+class tableIssue5520(TstTable):
+    def __init__(self):
+        self.sql = "CREATE TABLE tbl5520(dbl DOUBLE);"
+        self.data = [ { "dbl": 10192.0 } ]
+
+
+# SINH
+class issue5520(TstView):
+    def __init__(self):
+        self.data = [{ "d": "Infinity" }]
+        self.sql = """CREATE MATERIALIZED VIEW issue5520view AS SELECT
+                      CAST(SINH(dbl) AS VARCHAR) AS d
+                      FROM tbl5520"""
+
+
 # SQRT
 class un_int_sqrt(TstView):
     def __init__(self):
