Merge branch 'boolean-normalization' of github.com:kdeldycke/cqlengine into pull-152

cqlengine/columns.py

@@ -442,11 +442,17 @@ class Boolean(Column):
         def __str__(self):
             return 'true' if self.value else 'false'
 
-    def to_python(self, value):
+    def validate(self, value):
+        """ Always returns a Python boolean. """
+        if isinstance(value, self.Quoter):
+            value = value.value
         return bool(value)
 
+    def to_python(self, value):
+        return self.validate(value)
+
     def to_database(self, value):
-        return self.Quoter(bool(value))
+        return self.Quoter(self.validate(value))
 
 
 class Float(Column):

cqlengine/tests/columns/test_value_io.py

@@ -144,6 +144,19 @@ class TestBooleanIO(BaseColumnIOTest):
     pkey_val = True
     data_val = False
 
+    def comparator_converter(self, val):
+        return val.value if isinstance(val, columns.Boolean.Quoter) else val
+
+class TestBooleanQuoter(BaseColumnIOTest):
+
+    column = columns.Boolean
+
+    pkey_val = True
+    data_val = columns.Boolean.Quoter(False)
+
+    def comparator_converter(self, val):
+        return val.value if isinstance(val, columns.Boolean.Quoter) else val
+
 class TestFloatIO(BaseColumnIOTest):
 
     column = columns.Float