blacklisting quote characters in hypothesis strings until moto bug is fixed getmoto/moto#1505

Author: mattsb42-aws

test/functional/hypothesis_strategies.py

@@ -17,7 +17,9 @@
 
 from boto3.dynamodb.types import Binary, DYNAMODB_CONTEXT
 import hypothesis
-from hypothesis.strategies import binary, booleans, dictionaries, deferred, fractions, just, lists, none, sets, text
+from hypothesis.strategies import (
+    binary, booleans, characters, dictionaries, deferred, fractions, just, lists, none, sets, text
+)
 
 SLOW_SETTINGS = hypothesis.settings(
     suppress_health_check=(
@@ -49,7 +51,14 @@
 )
 
 
-ddb_string = text(min_size=1, max_size=MAX_ITEM_BYTES)
+ddb_string = text(
+    min_size=1,
+    max_size=MAX_ITEM_BYTES,
+    alphabet=characters(
+        blacklist_categories=('Cs',),
+        blacklist_characters=('"', "'")  # Quotes break moto :(
+    )
+)
 ddb_string_set = sets(ddb_string, min_size=1)
 
 
@@ -89,9 +98,17 @@ def _ddb_fraction_to_decimal(val):
     | ddb_number_set
     | ddb_binary_set
 )
+ddb_attribute_names = text(
+    min_size=1,
+    max_size=255,
+    alphabet=characters(
+        blacklist_categories=('Cs',),
+        blacklist_characters=('"', "'")  # Quotes break moto :(
+    )
+)
 # TODO: List and Map types have a max depth of 32
 ddb_map_type = deferred(lambda: dictionaries(
-    keys=text(),
+    keys=ddb_attribute_names,
     values=(
         ddb_scalar_types
         | ddb_set_types
@@ -112,7 +129,7 @@ def _ddb_fraction_to_decimal(val):
 ddb_attribute_values = ddb_scalar_types | ddb_set_types | ddb_list_type
 
 ddb_items = dictionaries(
-    keys=text(min_size=1, max_size=255),
+    keys=ddb_attribute_names,
     values=ddb_scalar_types | ddb_set_types | ddb_list_type
 )