Additional test of repr form: eval(repr(obj)) ~= obj

Author: caseyclements

test/test_bson.py

@@ -809,29 +809,45 @@ def test_vector(self):
                 dtype=BinaryVectorDtype.PACKED_BIT,
             )  # type: ignore[call-overload]
 
+    def assertRepr(self, obj):
+        new_obj = eval(repr(obj))
+        self.assertEqual(type(new_obj), type(obj))
+        self.assertEqual(repr(new_obj), repr(obj))
+
     def test_binaryvector_repr(self):
         """Tests of repr(BinaryVector)"""
-        data = [127, 7]
-        zero = BinaryVector([], BinaryVectorDtype.INT8)
-        self.assertEqual(
-            repr(zero), "BinaryVector(dtype=BinaryVectorDtype.INT8, padding=0, data=[])"
-        )
-        one = BinaryVector(data, BinaryVectorDtype.INT8)
+
+        data = [1 / 127, -7 / 6]
+        one = BinaryVector(data, BinaryVectorDtype.FLOAT32)
         self.assertEqual(
-            repr(one), f"BinaryVector(dtype=BinaryVectorDtype.INT8, padding=0, data={data})"
+            repr(one), f"BinaryVector(dtype=BinaryVectorDtype.FLOAT32, padding=0, data={data})"
         )
-        two = BinaryVector(data, BinaryVectorDtype.FLOAT32)
+        self.assertRepr(one)
+
+        data = [127, 7]
+        two = BinaryVector(data, BinaryVectorDtype.INT8)
         self.assertEqual(
-            repr(two), f"BinaryVector(dtype=BinaryVectorDtype.FLOAT32, padding=0, data={data})"
+            repr(two), f"BinaryVector(dtype=BinaryVectorDtype.INT8, padding=0, data={data})"
         )
-        three = BinaryVector(data, BinaryVectorDtype.FLOAT32, padding=0)
+        self.assertRepr(two)
+
+        three = BinaryVector(data, BinaryVectorDtype.INT8, padding=0)
         self.assertEqual(
-            repr(three), f"BinaryVector(dtype=BinaryVectorDtype.FLOAT32, padding=0, data={data})"
+            repr(three), f"BinaryVector(dtype=BinaryVectorDtype.INT8, padding=0, data={data})"
         )
+        self.assertRepr(three)
+
         four = BinaryVector(data, BinaryVectorDtype.PACKED_BIT, padding=3)
         self.assertEqual(
             repr(four), f"BinaryVector(dtype=BinaryVectorDtype.PACKED_BIT, padding=3, data={data})"
         )
+        self.assertRepr(four)
+
+        zero = BinaryVector([], BinaryVectorDtype.INT8)
+        self.assertEqual(
+            repr(zero), "BinaryVector(dtype=BinaryVectorDtype.INT8, padding=0, data=[])"
+        )
+        self.assertRepr(zero)
 
     def test_unicode_regex(self):
         """Tests we do not get a segfault for C extension on unicode RegExs.