| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| use apache_avro::{schema::AvroSchema, types::Value}; |
| |
| const RESOURCES_FOLDER: &str = "../../share/test/data/messageV1"; |
| |
| struct InteropMessage; |
| |
| impl AvroSchema for InteropMessage { |
| fn get_schema() -> apache_avro::Schema { |
| let schema = std::fs::read_to_string(format!("{}/test_schema.avsc", RESOURCES_FOLDER)) |
| .expect("File should exist with schema inside"); |
| apache_avro::Schema::parse_str(schema.as_str()) |
| .expect("File should exist with schema inside") |
| } |
| } |
| |
| impl From<InteropMessage> for Value { |
| fn from(_: InteropMessage) -> Value { |
| Value::Record(vec![ |
| ("id".into(), 42i64.into()), |
| ("name".into(), "Bill".into()), |
| ( |
| "tags".into(), |
| Value::Array( |
| vec!["dog_lover", "cat_hater"] |
| .into_iter() |
| .map(|s| s.into()) |
| .collect(), |
| ), |
| ), |
| ]) |
| } |
| } |
| |
| fn main() { |
| let single_object = std::fs::read(format!("{}/test_message.bin", RESOURCES_FOLDER)) |
| .expect("File with single object not found or error occurred while reading it."); |
| test_write(&single_object); |
| test_read(single_object); |
| } |
| |
| fn test_write(expected: &[u8]) { |
| let mut encoded: Vec<u8> = Vec::new(); |
| apache_avro::SpecificSingleObjectWriter::<InteropMessage>::with_capacity(1024) |
| .expect("Resolving failed") |
| .write_value(InteropMessage, &mut encoded) |
| .expect("Encoding failed"); |
| assert_eq!(expected, &encoded) |
| } |
| |
| fn test_read(encoded: Vec<u8>) { |
| let mut encoded = &encoded[..]; |
| let read_message = apache_avro::GenericSingleObjectReader::new(InteropMessage::get_schema()) |
| .expect("Resolving failed") |
| .read_value(&mut encoded) |
| .expect("Decoding failed"); |
| let expected_value: Value = InteropMessage.into(); |
| assert_eq!(expected_value, read_message) |
| } |