wedb_standalone 0.1.1

/// 支持的 LATENCY 命令及简述
///（对标 libs/server/Metrics/Latency/RespLatencyHelp.cs:RespLatencyHelp）。
pub struct RespLatencyHelp;

impl RespLatencyHelp {
  /// libs/server/Metrics/Latency/RespLatencyHelp.cs:GetLatencyCommands
  pub fn get_latency_commands() -> Vec<&'static str> {
    vec![
      "LATENCY <subcommand> [<arg> [value] [opt] ...]. Subcommands are:",
      "HISTOGRAM [EVENT [EVENT...]]",
      "\tReturn latency histogram of one or more <event> classes.",
      "\tIf no commands are specified then all histograms are replied",
      "RESET [EVENT [EVENT...]]",
      "\tReset latency data of one or more <event> classes.",
      "\t(default: reset all data for all event classes).",
      "HELP",
      "\tPrints this help",
    ]
  }
}

#[cfg(test)]
mod tests {
  #[test]
  fn help_lists_nine_lines() {
    let lines = super::RespLatencyHelp::get_latency_commands();
    assert_eq!(lines.len(), 9);
    assert!(lines[0].starts_with("LATENCY <subcommand>"));
  }
}