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// Copyright 2023 The RocketMQ Rust Authors
//
// Licensed 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 std::fmt::Display;
#[derive(Debug, PartialEq, Eq, Clone, Copy)]
pub enum RequestType {
Stream,
}
impl Display for RequestType {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
RequestType::Stream => write!(f, "STREAM"),
}
}
}
impl RequestType {
pub fn value_of(code: u8) -> Option<Self> {
match code {
0 => Some(RequestType::Stream),
_ => None,
}
}
pub fn get_code(&self) -> u8 {
match self {
RequestType::Stream => 0,
}
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn value_of_maps_zero_to_stream() {
assert_eq!(RequestType::value_of(0), Some(RequestType::Stream));
}
#[test]
fn value_of_rejects_unknown_codes() {
assert_eq!(RequestType::value_of(1), None);
assert_eq!(RequestType::value_of(255), None);
}
#[test]
fn get_code_returns_zero_for_stream() {
assert_eq!(RequestType::Stream.get_code(), 0);
}
#[test]
fn display_prints_stream_for_stream_variant() {
assert_eq!(RequestType::Stream.to_string(), "STREAM");
}
}