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/// A Redis EXPIRE command.
use crate::cmd::Command;
use crate::frame::Frame;
use bytes::Bytes;
pub struct Expire {
key: String,
seconds: i64,
}
impl Expire {
/// Creates a new Expire command.
///
/// # Arguments
///
/// * `key` - The key to set the expiration for
/// * `seconds` - The number of seconds to set the expiration for
///
/// # Returns
///
/// A new Expire command
///
/// # Examples
///
/// ```ignore
/// let expire = Expire::new("mykey", 60);
/// ```
pub fn new(key: &str, seconds: i64) -> Self {
Self {
key: key.to_string(),
seconds,
}
}
}
impl Command for Expire {
fn into_stream(self) -> Frame {
let mut frame: Frame = Frame::array();
frame
.push_frame_to_array(Frame::BulkString("EXPIRE".into()))
.unwrap();
frame
.push_frame_to_array(Frame::BulkString(Bytes::from(self.key)))
.unwrap();
frame
.push_frame_to_array(Frame::BulkString(Bytes::from(self.seconds.to_string())))
.unwrap();
frame
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_expire() {
let expire = Expire::new("mykey", 60);
let frame = expire.into_stream();
assert_eq!(
frame,
Frame::Array(vec![
Frame::BulkString("EXPIRE".into()),
Frame::BulkString("mykey".into()),
Frame::BulkString("60".into()),
])
)
}
}