79 lines
2.1 KiB
Rust
79 lines
2.1 KiB
Rust
use serde::{Deserialize, Serialize};
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use crate::{
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commands::{Command, Request, RequestParserResult, ResponseParserError},
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common::types::ChannelName,
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request_tokenizer::RequestTokenizer,
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response_tokenizer::{ResponseAttributes, expect_property_type},
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};
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pub struct Channels;
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#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
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pub struct ChannelsResponse {
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pub channels: Vec<ChannelName>,
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}
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impl Command for Channels {
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type Request = ();
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type Response = ChannelsResponse;
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const COMMAND: &'static str = "channels";
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fn serialize_request(&self, _: Self::Request) -> String {
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Self::COMMAND.to_string()
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}
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fn parse_request(mut parts: RequestTokenizer<'_>) -> RequestParserResult<'_> {
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debug_assert!(parts.next().is_none());
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Ok((Request::Channels, ""))
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}
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fn parse_response(
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parts: ResponseAttributes<'_>,
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) -> Result<Self::Response, ResponseParserError<'_>> {
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let parts: Vec<_> = parts.into_vec()?;
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let mut channel_names = Vec::with_capacity(parts.len());
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for (key, value) in parts {
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debug_assert!(key == "channels");
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let channel_name = expect_property_type!(Some(value), "channels", Text);
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let channel_name = channel_name
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.parse()
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.map_err(|_| ResponseParserError::SyntaxError(0, channel_name))?;
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channel_names.push(channel_name);
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}
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Ok(ChannelsResponse {
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channels: channel_names,
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})
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}
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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use indoc::indoc;
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#[test]
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fn test_parse_response() {
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let response = indoc! {"
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channels: foo
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channels: bar
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channels: baz
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OK
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"};
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let response = Channels::parse_raw_response(response).unwrap();
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assert_eq!(
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response,
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ChannelsResponse {
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channels: vec![
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"foo".parse().unwrap(),
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"bar".parse().unwrap(),
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"baz".parse().unwrap(),
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]
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}
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);
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}
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}
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