Build out unit test

Signed-off-by: Matt Lord <[email protected]>

go/mysql/binlog_event_mysql56_test.go

@@ -481,6 +481,34 @@ func TestMySQL56PartialUpdateRowsEvent(t *testing.T) {
 			numRows: 5,
 			want:    "JSON_REMOVE(JSON_REPLACE(%s, _utf8mb4'$.day', _utf8mb4\"monday\"), _utf8mb4'$.favorite_color')",
 		},
+		{
+			name: "INSERT and REMOVE and REPLACE",
+			// The mysqlbinlog -vvv --base64-output=decode-rows output for the following event:
+			// ### UPDATE `vt_commerce`.`customer`
+			// ### WHERE
+			// ###   @1=3 /* LONGINT meta=0 nullable=0 is_null=0 */
+			// ###   @2='[email protected]' /* VARSTRING(128) meta=128 nullable=1 is_null=0 */
+			// ###   @3='{"day": "monday", "role": "manager", "salary": 99, "favorite_color": "red"}' /* JSON meta=4 nullable=1 is_null=0 */
+			// ### SET
+			// ###   @1=3 /* LONGINT meta=0 nullable=0 is_null=0 */
+			// ###   @2='[email protected]' /* VARSTRING(128) meta=128 nullable=1 is_null=0 */
+			// ###   @3=JSON_INSERT(
+			// ###      JSON_REMOVE(
+			// ###      JSON_REPLACE(@3, '$.day', 'tuesday'),
+			// ###      '$.favorite_color'),
+			// ###      '$.hobby', 'skiing') /* JSON meta=4 nullable=1 is_null=0 */
+			rawEvent: []byte{
+				48, 25, 87, 103, 39, 47, 142, 143, 12, 234, 0, 0, 0, 0, 117, 0, 0, 0, 0, 176, 0, 0, 0, 0, 0, 1, 0, 2, 0, 3, 255, 255, 0, 3, 0, 0, 0, 0, 0, 0, 0,
+				18, 99, 104, 97, 114, 108, 105, 101, 64, 100, 111, 109, 97, 105, 110, 46, 99, 111, 109, 79, 0, 0, 0, 0, 4, 0, 78, 0, 32, 0, 3, 0, 35, 0, 4, 0,
+				39, 0, 6, 0, 45, 0, 14, 0, 12, 59, 0, 12, 66, 0, 5, 99, 0, 12, 74, 0, 100, 97, 121, 114, 111, 108, 101, 115, 97, 108, 97, 114, 121, 102, 97,
+				118, 111, 114, 105, 116, 101, 95, 99, 111, 108, 111, 114, 6, 109, 111, 110, 100, 97, 121, 7, 109, 97, 110, 97, 103, 101, 114, 3, 114, 101, 100,
+				1, 1, 0, 3, 0, 0, 0, 0, 0, 0, 0, 18, 99, 104, 97, 114, 108, 105, 101, 64, 100, 111, 109, 97, 105, 110, 46, 99, 111, 109, 53, 0, 0, 0, 0, 5, 36,
+				46, 100, 97, 121, 9, 12, 7, 116, 117, 101, 115, 100, 97, 121, 2, 16, 36, 46, 102, 97, 118, 111, 114, 105, 116, 101, 95, 99, 111, 108, 111, 114,
+				1, 7, 36, 46, 104, 111, 98, 98, 121, 8, 12, 6, 115, 107, 105, 105, 110, 103,
+			},
+			numRows: 1,
+			want:    "JSON_INSERT(JSON_REMOVE(JSON_REPLACE(%s, _utf8mb4'$.day', _utf8mb4\"tuesday\"), _utf8mb4'$.favorite_color'), _utf8mb4'$.hobby', _utf8mb4\"skiing\")",
+		},
 	}
 
 	for _, tc := range testCases {