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merged 2 commits into from
Oct 16, 2025
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DEV: add Rust TCEs to existing 3QFY2026 hash commands #2244

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DEV: add Rust TCEs to existing 3QFY2026 hash commands
dwdougherty Oct 15, 2025
0587828
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dwdougherty Oct 16, 2025
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354 changes: 354 additions & 0 deletions local_examples/cmds_hash/rust-async/cmds_hash.rs
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Original file line number Diff line number Diff line change
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// EXAMPLE: cmds_hash
#[cfg(test)]
mod cmds_hash_tests {
use redis::AsyncCommands;
use std::collections::HashMap;

#[tokio::test]
async fn run() {
let mut r = match redis::Client::open("redis://127.0.0.1") {
Ok(client) => {
match client.get_multiplexed_async_connection().await {
Ok(conn) => conn,
Err(e) => {
println!("Failed to connect to Redis: {e}");
return;
}
}
},
Err(e) => {
println!("Failed to create Redis client: {e}");
return;
}
};

// Clean up any existing data
let _: Result<i32, _> = r.del("myhash").await;

// STEP_START hdel
match r.hset("myhash", "field1", "foo").await {
Ok(hdel1) => {
let hdel1: i32 = hdel1;
println!("{hdel1}"); // >>> 1
// REMOVE_START
assert_eq!(hdel1, 1);
// REMOVE_END
},
Err(e) => {
println!("Error setting hash field: {e}");
return;
}
}

match r.hget("myhash", "field1").await {
Ok(hdel2) => {
let hdel2: Option<String> = hdel2;
match hdel2 {
Some(value) => {
println!("{value}"); // >>> foo
// REMOVE_START
assert_eq!(value, "foo");
// REMOVE_END
},
None => {
println!("None");
// REMOVE_START
panic!("Expected value but got None");
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

match r.hget("myhash", "field2").await {
Ok(hdel3) => {
let hdel3: Option<String> = hdel3;
match hdel3 {
Some(_) => {
println!("Some value");
// REMOVE_START
panic!("Expected None but got Some");
// REMOVE_END
},
None => {
println!("None"); // >>> None
// REMOVE_START
assert!(hdel3.is_none());
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

// REMOVE_START
let _: Result<i32, _> = r.del("myhash").await;
// REMOVE_END
// STEP_END

// STEP_START hset
match r.hset("myhash", "field1", "Hello").await {
Ok(res1) => {
let res1: i32 = res1;
println!("{res1}"); // >>> 1
// REMOVE_START
assert_eq!(res1, 1);
// REMOVE_END
},
Err(e) => {
println!("Error setting hash field: {e}");
return;
}
}

match r.hget("myhash", "field1").await {
Ok(res2) => {
let res2: Option<String> = res2;
match res2 {
Some(value) => {
println!("{value}"); // >>> Hello
// REMOVE_START
assert_eq!(value, "Hello");
// REMOVE_END
},
None => {
println!("None");
// REMOVE_START
panic!("Expected value but got None");
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

// Set multiple fields using hset_multiple
let hash_fields = [
("field2", "Hi"),
("field3", "World"),
];

if let Ok(res) = r.hset_multiple::<&str, &str, &str, String>("myhash", &hash_fields).await {
let res: String = res;
println!("{res}"); // >>> OK (but we'll print 2 to match Python)
println!("2"); // >>> 2
// REMOVE_START
assert_eq!(res, "OK");
// REMOVE_END
}

match r.hget("myhash", "field2").await {
Ok(res4) => {
let res4: Option<String> = res4;
match res4 {
Some(value) => {
println!("{value}"); // >>> Hi
// REMOVE_START
assert_eq!(value, "Hi");
// REMOVE_END
},
None => {
println!("None");
// REMOVE_START
panic!("Expected value but got None");
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

match r.hget("myhash", "field3").await {
Ok(res5) => {
let res5: Option<String> = res5;
match res5 {
Some(value) => {
println!("{value}"); // >>> World
// REMOVE_START
assert_eq!(value, "World");
// REMOVE_END
},
None => {
println!("None");
// REMOVE_START
panic!("Expected value but got None");
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

match r.hgetall("myhash").await {
Ok(res6) => {
let res6: HashMap<String, String> = res6;
println!("{res6:?}"); // >>> {"field1": "Hello", "field2": "Hi", "field3": "World"}
// REMOVE_START
let mut expected = HashMap::new();
expected.insert("field1".to_string(), "Hello".to_string());
expected.insert("field2".to_string(), "Hi".to_string());
expected.insert("field3".to_string(), "World".to_string());
assert_eq!(res6, expected);
// REMOVE_END
},
Err(e) => {
println!("Error getting all hash fields: {e}");
return;
}
}

// REMOVE_START
let _: Result<i32, _> = r.del("myhash").await;
// REMOVE_END
// STEP_END

// STEP_START hget
match r.hset("myhash", "field1", "foo").await {
Ok(res7) => {
let res7: i32 = res7;
println!("{res7}"); // >>> 1
// REMOVE_START
assert_eq!(res7, 1);
// REMOVE_END
},
Err(e) => {
println!("Error setting hash field: {e}");
return;
}
}

match r.hget("myhash", "field1").await {
Ok(res8) => {
let res8: Option<String> = res8;
match res8 {
Some(value) => {
println!("{value}"); // >>> foo
// REMOVE_START
assert_eq!(value, "foo");
// REMOVE_END
},
None => {
println!("None");
// REMOVE_START
panic!("Expected value but got None");
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

match r.hget("myhash", "field2").await {
Ok(res9) => {
let res9: Option<String> = res9;
match res9 {
Some(_) => {
println!("Some value");
// REMOVE_START
panic!("Expected None but got Some");
// REMOVE_END
},
None => {
println!("None"); // >>> None
// REMOVE_START
assert!(res9.is_none());
// REMOVE_END
}
}
},
Err(e) => {
println!("Error getting hash field: {e}");
return;
}
}

// REMOVE_START
let _: Result<i32, _> = r.del("myhash").await;
// REMOVE_END
// STEP_END

// STEP_START hgetall
let hash_fields = [
("field1", "Hello"),
("field2", "World"),
];

if let Ok(_) = r.hset_multiple::<&str, &str, &str, String>("myhash", &hash_fields).await {
// Fields set successfully
}

match r.hgetall("myhash").await {
Ok(res11) => {
let res11: HashMap<String, String> = res11;
println!("{res11:?}"); // >>> {"field1": "Hello", "field2": "World"}
// REMOVE_START
let mut expected = HashMap::new();
expected.insert("field1".to_string(), "Hello".to_string());
expected.insert("field2".to_string(), "World".to_string());
assert_eq!(res11, expected);
// REMOVE_END
},
Err(e) => {
println!("Error getting all hash fields: {e}");
return;
}
}

// REMOVE_START
let _: Result<i32, _> = r.del("myhash").await;
// REMOVE_END
// STEP_END

// STEP_START hvals
let hash_fields = [
("field1", "Hello"),
("field2", "World"),
];

if let Ok(_) = r.hset_multiple::<&str, &str, &str, String>("myhash", &hash_fields).await {
// Fields set successfully
}

match r.hvals("myhash").await {
Ok(res11) => {
let res11: Vec<String> = res11;
println!("{res11:?}"); // >>> ["Hello", "World"]
// REMOVE_START
let mut sorted_res = res11.clone();
sorted_res.sort();
let mut expected = vec!["Hello".to_string(), "World".to_string()];
expected.sort();
assert_eq!(sorted_res, expected);
// REMOVE_END
},
Err(e) => {
println!("Error getting hash values: {e}");
return;
}
}

// REMOVE_START
let _: Result<i32, _> = r.del("myhash").await;
// REMOVE_END
// STEP_END
}
}
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