RUST-846 Update Bson's Display impl to use driver type names (#271)

Author: abr-egn

src/bson.rs

@@ -127,12 +127,12 @@ impl Display for Bson {
             }
             Bson::Binary(Binary { subtype, ref bytes }) => write!(
                 fmt,
-                "BinData({:#x}, {})",
+                "Binary({:#x}, {})",
                 u8::from(subtype),
                 base64::encode(bytes)
             ),
             Bson::ObjectId(ref id) => write!(fmt, "ObjectId(\"{}\")", id),
-            Bson::DateTime(date_time) => write!(fmt, "Date(\"{}\")", date_time),
+            Bson::DateTime(date_time) => write!(fmt, "DateTime(\"{}\")", date_time),
             Bson::Symbol(ref sym) => write!(fmt, "Symbol(\"{}\")", sym),
             Bson::Decimal128(ref d) => write!(fmt, "{}", d),
             Bson::Undefined => write!(fmt, "undefined"),
@@ -141,7 +141,7 @@ impl Display for Bson {
             Bson::DbPointer(DbPointer {
                 ref namespace,
                 ref id,
-            }) => write!(fmt, "DBPointer({}, {})", namespace, id),
+            }) => write!(fmt, "DbPointer({}, {})", namespace, id),
         }
     }
 }

src/tests/modules/macros.rs

@@ -40,8 +40,8 @@ fn standard_format() {
         "{{ float: 2.4, string: \"hello\", array: [\"testing\", 1, true, [1, 2]], doc: {{ fish: \
          \"in\", a: \"barrel\", !: 1 }}, bool: true, null: null, regexp: /s[ao]d/i, \
          with_wrapped_parens: -20, code: function(x) {{ return x._id; }}, i32: 12, i64: -55, \
-         timestamp: Timestamp(0, 229999444), binary: BinData(0x5, {}), encrypted: BinData(0x6, \
-         {}), _id: ObjectId(\"{}\"), date: Date(\"{}\") }}",
+         timestamp: Timestamp(0, 229999444), binary: Binary(0x5, {}), encrypted: Binary(0x6, {}), \
+         _id: ObjectId(\"{}\"), date: DateTime(\"{}\") }}",
         base64::encode("thingies"),
         base64::encode("secret"),
         hex::encode(id_string),