From 81e37df6cb4afc4a5064872239c442ec1eefb208 Mon Sep 17 00:00:00 2001
From: Wojtek <wskozlowski@dbzero.io>
Date: Thu, 20 Nov 2025 12:52:28 +0100
Subject: [PATCH] more tests

---
 python_tests/test_issues_12.py |   1 -
 python_tests/test_issues_13.py | 128 +++++++++++++++++++++++++++++++++
 2 files changed, 128 insertions(+), 1 deletion(-)
 create mode 100644 python_tests/test_issues_13.py

diff --git a/python_tests/test_issues_12.py b/python_tests/test_issues_12.py
index 5df90415..104c75b8 100644
--- a/python_tests/test_issues_12.py
+++ b/python_tests/test_issues_12.py
@@ -98,4 +98,3 @@ def test_no_cache_allocator_issue(db0_slab_size):
         
         if  (now - start) > execution_time:
             break
-    
\ No newline at end of file
diff --git a/python_tests/test_issues_13.py b/python_tests/test_issues_13.py
new file mode 100644
index 00000000..8668f3e5
--- /dev/null
+++ b/python_tests/test_issues_13.py
@@ -0,0 +1,128 @@
+import dbzero as db0
+import pytest
+from .conftest import DB0_DIR
+from dataclasses import dataclass
+import os
+import random
+import logging
+from typing import Dict, List
+import dbzero as db0
+
+
+@db0.memo
+@dataclass
+class Issuer2:
+  tax_id: int
+  invoice_list: List
+  invoice_index: db0.index
+
+@db0.memo(singleton = True)
+@dataclass
+class INV_ROOT:
+  # issuers by tax_id
+  issuers: Dict[int, Issuer2]
+
+
+@db0.memo(no_default_tags = True)
+@dataclass
+class Invoice2:
+  nip_issuers: int
+  issue_date: int
+  data: bytes
+
+
+@pytest.mark.stress_test
+@pytest.mark.parametrize("db0_autocommit_fixture", [1500], indirect=True)
+def test_commit_autocommit_race_issue(db0_autocommit_fixture):
+    db0.set_cache_size(16 << 30)
+    
+    def get_random_ints():
+        rand_ints_file = "rand_ints.txt"
+        if os.path.exists(rand_ints_file):
+            try:
+                with open(rand_ints_file, 'r') as f:
+                    content = f.read().strip()
+                    if content:
+                        random_ints = [int(x.strip()) for x in content.split(',') if x.strip()]
+                        if random_ints:
+                            print(f"Loaded {len(random_ints)} random integers from {rand_ints_file}")
+                            return random_ints
+            except Exception as e:
+                print(f"Failed to load random integers from {rand_ints_file}: {e}")
+        
+        print("Generating 100000 random integers")
+        result = [random.randint(1, 10000000) for _ in range(100000)]        
+        return result
+    
+    random_ints = get_random_ints()
+    
+    def next_rand():
+        while True:
+            for ri in random_ints:
+                yield ri
+    
+    rand_gen = next_rand()
+    def get_random_nip(nips_set=set()):
+        nip = next(rand_gen) + 100000000
+        while nip in nips_set:
+            nip = next(rand_gen) + 100000000
+        nips_set.add(nip)
+        return nip
+    
+    # create 250 k unique nip numbers
+    nip_count = 50000
+    nip_numbers = set()
+    print("Generating 250000 unique NIP numbers")
+    for i in range(nip_count):
+        if i % 5000 == 0:
+            print(f"Generated {i} NIP numbers so far")   
+        get_random_nip(nip_numbers)
+    nip_list = list(nip_numbers)
+    
+    inv_root = INV_ROOT(issuers={})    
+    print(f"Created INV_ROOT singleton instance")
+    print(f"Creating {len(nip_list)} issuers")
+    for i, nip in enumerate(nip_list):
+        if i % 5000 == 0:
+            print(f"Created {i} issuers so far")
+        new_issuer = Issuer2(tax_id=nip, invoice_list=[], invoice_index=db0.index())        
+        inv_root.issuers[nip] = new_issuer
+    
+    RANDOM_BYTES = b'DB0'*22000
+    total_size = 0
+    count_of_objects = 0
+    print("Starting benchmark loop")        
+    count = 300000    
+    db0.commit()
+    
+    def try_commit():
+        if next(rand_gen) % 30000 < 5:
+            print(f"*** next commit ***")
+            db0.commit()
+    
+    while count > 0:
+        count -= 1       
+        # get random number between 0 and 100
+        random_number = next(rand_gen) % 100
+        # 90% chance to create small object, 10% chance to create large object
+        if random_number < 90:
+            data_size = next(rand_gen) % 1501 + 1
+        else:
+            data_size = next(rand_gen) % 56001 + 8000
+        random_nip = nip_list[next(rand_gen) % len(nip_list)]
+        random_issuer = inv_root.issuers[random_nip]
+        try_commit()
+        new_obj = Invoice2(nip_issuers=random_issuer.tax_id, issue_date=count, data=RANDOM_BYTES[:data_size])
+        try_commit()
+        random_issuer.invoice_list.append(new_obj)
+        try_commit()
+        random_issuer.invoice_index.add(count, new_obj)
+        try_commit()
+        count_of_objects += 1
+        
+        total_size += data_size
+        if count % 5000 == 0:                
+            stats = db0.get_storage_stats()
+            # save report to csv file
+            print(f"Objects count: {count_of_objects}, "
+                f"Storage stats: {stats}")