hypothesis tweaks (#321)

* url tests for hypothesis and faster hypothesis by default

* tweak hypothesis settings

* uprev hypothesis

* hypothesis seems to get flakey with more test cases :-(

Author: samuelcolvin

.github/workflows/ci.yml

@@ -85,6 +85,7 @@ jobs:
       - run: make test
         env:
           BENCHMARK_VS_PYDANTIC: 1
+          HYPOTHESIS_PROFILE: slow
 
       - run: ls -lha
       - run: coverage xml

tests/conftest.py

@@ -9,18 +9,17 @@
 from pathlib import Path
 from typing import Any, Type
 
+import hypothesis
 import pytest
-from hypothesis import settings
 from typing_extensions import Literal
 
 from pydantic_core import SchemaValidator
 
 __all__ = 'Err', 'PyAndJson', 'plain_repr', 'infinite_generator'
 
-hyp_max_examples = os.getenv('HYPOTHESIS_MAX_EXAMPLES')
-if hyp_max_examples:
-    settings.register_profile('custom', max_examples=int(hyp_max_examples))
-    settings.load_profile('custom')
+hypothesis.settings.register_profile('fast', max_examples=2)
+hypothesis.settings.register_profile('slow', max_examples=1_000)
+hypothesis.settings.load_profile(os.getenv('HYPOTHESIS_PROFILE', 'fast'))
 
 
 def plain_repr(obj):

tests/requirements.txt

@@ -1,6 +1,6 @@
 coverage==6.4.1
 dirty-equals==0.4
-hypothesis==6.48.1
+hypothesis==6.56.4
 pytest==7.1.2
 pytest-benchmark==3.4.1
 pytest-mock==3.8.1

tests/test_hypothesis.py

@@ -131,3 +131,19 @@ def test_pytimedelta_as_timedelta(dt):
     total_seconds = (1 if pos == 'true' else -1) * (int(day) * 86_400 + int(sec) + int(micro) / 1_000_000)
 
     assert total_seconds == pytest.approx(dt.total_seconds())
+
+
+@pytest.fixture(scope='module')
+def url_validator():
+    return SchemaValidator({'type': 'url'})
+
+
+@given(strategies.text())
+def test_urls_text(url_validator, text):
+    try:
+        url_validator.validate_python(text)
+    except ValidationError as exc:
+        assert exc.error_count() == 1
+        error = exc.errors()[0]
+        assert error['type'] == 'url_error'
+        assert error['ctx']['error'] == 'relative URL without a base'