Merge pull request #4532 from jobh/fix-4531

Fix typo in _function_key

Author: jobh

hypothesis-python/RELEASE.rst

@@ -0,0 +1,4 @@
+RELEASE_TYPE: patch
+
+Fix a typo affecting pretty-printing of lambdas with complex default
+arguments.

hypothesis-python/src/hypothesis/internal/lambda_sources.py

@@ -86,7 +86,7 @@ def _function_key(f, *, bounded_size=False):
         if len(consts_repr) > 48:
             consts_repr = hashlib.sha384(consts_repr.encode()).digest()
         if len(defaults_repr) > 48:
-            defaults_repr = hashlib.sha384(consts_repr.encode()).digest()
+            defaults_repr = hashlib.sha384(defaults_repr.encode()).digest()
     return (
         consts_repr,
         defaults_repr,

hypothesis-python/tests/cover/test_reflection.py

@@ -752,12 +752,12 @@ def test_is_unrecognized_identity(f):
 
 
 def test_cache_key_size_is_bounded():
-    # Modify co_consts because ("a" * 1000) may not be evaluated at compile time
-    f = lambda: "a"
+    # Modify co_consts because ("c" * 1000) may not be evaluated at compile time
+    f = lambda x="a" * 1000, *, y="b" * 1000: "c"
     f.__code__ = f.__code__.replace(
-        co_consts=tuple(c * 1000 if c == "a" else c for c in f.__code__.co_consts)
+        co_consts=tuple(c * 1000 if c == "c" else c for c in f.__code__.co_consts)
     )
-    assert len(repr(lambda_sources._function_key(f))) > 1000
+    assert len(repr(lambda_sources._function_key(f))) > 3000
     assert len(repr(lambda_sources._function_key(f, bounded_size=True))) < 1000