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/// A Redis DEL command.
use crate::cmd::Command;
use crate::frame::Frame;
use bytes::Bytes;
pub struct Del {
keys: Vec<String>,
}
impl Del {
/// Creates a new Del command.
///
/// # Arguments
///
/// * `keys` - The keys to delete from the Redis server
///
/// # Returns
///
/// A new Del command
///
/// # Examples
///
/// ```ignore
/// let del = Del::new(vec!["key1", "key2"]);
/// ```
pub fn new(keys: Vec<&str>) -> Self {
Self {
keys: keys.iter().map(|s| s.to_string()).collect(),
}
}
}
impl Command for Del {
fn into_stream(self) -> Frame {
let mut frame: Frame = Frame::array();
frame
.push_frame_to_array(Frame::BulkString("DEL".into()))
.unwrap();
for key in self.keys {
frame
.push_frame_to_array(Frame::BulkString(Bytes::from(key)))
.unwrap();
}
frame
}
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_del() {
let del = Del::new(vec!["key1", "key2"]);
let frame = del.into_stream();
assert_eq!(
frame,
Frame::Array(vec![
Frame::BulkString("DEL".into()),
Frame::BulkString("key1".into()),
Frame::BulkString("key2".into()),
])
)
}
}