antithesis-tests: add all tests

antithesis-tests/stress-composer/parallel_driver_delete.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env -S python3 -u
+
+import json
+import limbo
+from utils import generate_random_value
+from antithesis.random import get_random
+
+# Get initial state
+con_init = limbo.connect('init_state.db')
+cur_init = con_init.cursor()
+
+tbl_len = cur_init.execute('SELECT count FROM tables').fetchone()[0]
+selected_tbl = get_random() % tbl_len
+tbl_schema = json.loads(cur_init.execute(f'SELECT schema FROM schemas WHERE tbl = {selected_tbl}').fetchone()[0])
+
+# get primary key column
+pk = tbl_schema['pk']
+# get non-pk columns
+cols = [f'col_{col}' for col in range(tbl_schema['colCount']) if col != pk]
+
+con = limbo.connect('stress_composer.db')
+cur = con.cursor()
+
+deletions = get_random() % 100
+print(f'Attempt to delete {deletions} rows in tbl_{selected_tbl}...')
+
+for i in range(deletions):
+    where_clause = f"col_{pk} = {generate_random_value(tbl_schema[f'col_{pk}']['data_type'])}"
+
+    cur.execute(f'''
+        DELETE FROM tbl_{selected_tbl} WHERE {where_clause}
+    ''')
+