tests: move 10M row test to tests/slow - takes 1min

Author: paultiq

tests/fast/test_relation.py

@@ -1,6 +1,5 @@
 import duckdb
 import numpy as np
-import platform
 import tempfile
 import os
 import pandas as pd
@@ -527,13 +526,6 @@ def test_relation_print(self):
             2048,
             5000,
             1000000,
-            pytest.param(
-                10000000,
-                marks=pytest.mark.skipif(
-                    condition=platform.system() == "Emscripten",
-                    reason="Emscripten/Pyodide builds run out of memory at this scale, and error might not thrown reliably",
-                ),
-            ),
         ],
     )
     def test_materialized_relation(self, duckdb_cursor, num_rows):

tests/slow/test_relation_slow.py

@@ -0,0 +1,20 @@
+import platform
+import pytest
+
+
+class TestRelationSlow(object):
+    @pytest.mark.skipif(
+        condition=platform.system() == "Emscripten",
+        reason="Emscripten/Pyodide builds run out of memory at this scale, and error might not thrown reliably",
+    )
+    def test_materialized_relation_large(self, duckdb_cursor):
+        """Test materialized relation with 10M rows - moved from fast tests due to 1+ minute runtime"""
+        # Import the implementation function from the fast test
+        import sys
+        import os
+        sys.path.append(os.path.join(os.path.dirname(__file__), '..', 'fast'))
+        from test_relation import TestRelation
+
+        # Create instance and call the test with large parameter
+        test_instance = TestRelation()
+        test_instance.test_materialized_relation(duckdb_cursor, 10000000)