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feat(nats): Add NATS Context (#5900)
--------- Co-authored-by: David Knaack <davidkna@users.noreply.github.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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@@ -109,6 +109,9 @@ symbol = "memory " | |
| [meson] | ||
| symbol = "meson " | ||
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| [nats] | ||
| symbol = "nats " | ||
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| [nim] | ||
| symbol = "nim " | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,26 @@ | ||
| use serde::{Deserialize, Serialize}; | ||
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| #[derive(Clone, Deserialize, Serialize)] | ||
| #[cfg_attr( | ||
| feature = "config-schema", | ||
| derive(schemars::JsonSchema), | ||
| schemars(deny_unknown_fields) | ||
| )] | ||
| #[serde(default)] | ||
| pub struct NatsConfig<'a> { | ||
| pub format: &'a str, | ||
| pub symbol: &'a str, | ||
| pub style: &'a str, | ||
| pub disabled: bool, | ||
| } | ||
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| impl<'a> Default for NatsConfig<'a> { | ||
| fn default() -> Self { | ||
| NatsConfig { | ||
| format: "[$symbol($name )]($style)", | ||
| symbol: "鉁夛笍 ", | ||
| style: "bold purple", | ||
| disabled: true, | ||
| } | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| use super::{Context, Module, ModuleConfig}; | ||
| use serde_json as json; | ||
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| use crate::configs::nats::NatsConfig; | ||
| use crate::formatter::StringFormatter; | ||
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| pub fn module<'a>(context: &'a Context) -> Option<Module<'a>> { | ||
| let mut module = context.new_module("nats"); | ||
| let config = NatsConfig::try_load(module.config); | ||
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| if config.disabled { | ||
| return None; | ||
| }; | ||
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| let ctx_str = context | ||
| .exec_cmd("nats", &["context", "info", "--json"])? | ||
| .stdout; | ||
| let nats_context: json::Value = json::from_str(&ctx_str) | ||
| .map_err(|e| { | ||
| log::warn!("Error parsing nats context JSON: {}\n", e); | ||
| drop(e); | ||
| }) | ||
| .ok()?; | ||
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| let parsed = StringFormatter::new(config.format).and_then(|formatter| { | ||
| formatter | ||
| .map_meta(|var, _| match var { | ||
| "symbol" => Some(config.symbol), | ||
| _ => None, | ||
| }) | ||
| .map_style(|variable| match variable { | ||
| "style" => Some(Ok(config.style)), | ||
| _ => None, | ||
| }) | ||
| .map(|variable| match variable { | ||
| "name" => Some(Ok(nats_context.get("name")?.as_str()?)), | ||
| _ => None, | ||
| }) | ||
| .parse(None, Some(context)) | ||
| }); | ||
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| module.set_segments(match parsed { | ||
| Ok(segments) => segments, | ||
| Err(error) => { | ||
| log::warn!("Error in module `nats`:\n{}", error); | ||
| return None; | ||
| } | ||
| }); | ||
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| Some(module) | ||
| } | ||
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| #[cfg(test)] | ||
| mod tests { | ||
| use nu_ansi_term::Color; | ||
| use std::io; | ||
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| use crate::test::ModuleRenderer; | ||
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| #[test] | ||
| fn show_context() -> io::Result<()> { | ||
| let actual = ModuleRenderer::new("nats") | ||
| .config(toml::toml! { | ||
| [nats] | ||
| format = "[$symbol$name](bold purple)" | ||
| symbol = "" | ||
| disabled = false | ||
| }) | ||
| .collect(); | ||
| let expected = Some(format!("{}", Color::Purple.bold().paint("localhost"))); | ||
| assert_eq!(expected, actual); | ||
| Ok(()) | ||
| } | ||
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| #[test] | ||
| fn test_with_symbol() -> io::Result<()> { | ||
| let actual = ModuleRenderer::new("nats") | ||
| .config(toml::toml! { | ||
| [nats] | ||
| format = "[$symbol$name](bold red)" | ||
| symbol = "鉁夛笍 " | ||
| disabled = false | ||
| }) | ||
| .collect(); | ||
| let expected = Some(format!("{}", Color::Red.bold().paint("鉁夛笍 localhost"))); | ||
| assert_eq!(expected, actual); | ||
| Ok(()) | ||
| } | ||
| } |
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