fix pypy tests on windows

Author: davidhewitt

src/recursion_guard.rs

@@ -20,7 +20,11 @@ pub struct RecursionGuard {
 }
 
 // A hard limit to avoid stack overflows when rampant recursion occurs
-pub const RECURSION_GUARD_LIMIT: u16 = if cfg!(target_family = "wasm") { 50 } else { 255 };
+pub const RECURSION_GUARD_LIMIT: u16 = if cfg!(target_family = "wasm") || cfg!(all(target_os = "windows", PyPy)) {
+    50
+} else {
+    255
+};
 
 impl RecursionGuard {
     // insert a new id into the set, return whether the set already had the id in it

tests/benchmarks/test_micro_benchmarks.py

@@ -2,8 +2,6 @@
 Numerous benchmarks of specific functionality.
 """
 import json
-import platform
-import sys
 from datetime import date, datetime, timedelta, timezone
 from decimal import Decimal
 from enum import Enum
@@ -16,15 +14,6 @@
 from pydantic_core import ArgsKwargs, PydanticCustomError, SchemaValidator, ValidationError, core_schema
 from pydantic_core import ValidationError as CoreValidationError
 
-skip_pypy_deep_stack = pytest.mark.skipif(
-    platform.python_implementation() == 'PyPy' and pydantic_core._pydantic_core.build_profile == 'debug',
-    reason='PyPy does not have enough stack space for Rust debug builds to recurse very deep',
-)
-
-skip_wasm_deep_stack = pytest.mark.skipif(
-    sys.platform == 'emscripten', reason='wasm does not have enough stack space to recurse very deep'
-)
-
 
 class TestBenchmarkSimpleModel:
     @pytest.fixture(scope='class')
@@ -274,14 +263,12 @@ def definition_model_data():
     data = {'width': -1}
 
     _data = data
-    for i in range(100):
+    for i in range(pydantic_core._pydantic_core._recursion_limit - 2):
         _data['branch'] = {'width': i}
         _data = _data['branch']
     return data
 
 
-@skip_pypy_deep_stack
-@skip_wasm_deep_stack
 @pytest.mark.benchmark(group='recursive model')
 def test_definition_model_core(definition_model_data, benchmark):
     class CoreBranch:
@@ -1180,23 +1167,22 @@ def test_tagged_union_int_keys_json(benchmark):
     benchmark(v.validate_json, payload)
 
 
-@skip_pypy_deep_stack
-@skip_wasm_deep_stack
 @pytest.mark.benchmark(group='field_function_validator')
 def test_field_function_validator(benchmark) -> None:
     def f(v: int, info: core_schema.FieldValidationInfo) -> int:
         assert info.field_name == 'x'
         return v + 1
 
     schema: core_schema.CoreSchema = core_schema.int_schema()
+    limit = pydantic_core._pydantic_core._recursion_limit - 3
 
-    for _ in range(100):
+    for _ in range(limit):
         schema = core_schema.field_after_validator_function(f, 'x', schema)
 
     schema = core_schema.typed_dict_schema({'x': core_schema.typed_dict_field(schema)})
 
     v = SchemaValidator(schema)
     payload = {'x': 0}
-    assert v.validate_python(payload) == {'x': 100}
+    assert v.validate_python(payload) == {'x': limit}
 
     benchmark(v.validate_python, payload)