couchbase 1.0.1

The official Couchbase Rust SDK
Documentation 
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/*
 *
 *  * Copyright (c) 2025 Couchbase, Inc.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *    http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *
 */

use tracing::error;
use uuid::Uuid;

pub mod consistency_utils;
pub mod default_cluster_options;
pub mod doc_generation;
pub mod features;
mod helpers;
pub mod node_version;
pub mod test_binary_collection;
pub mod test_bucket;
pub mod test_cluster;
pub mod test_collection;
pub mod test_config;
pub mod test_manager;
pub mod test_query_index_manager;
pub mod test_scope;
pub mod test_search_index_manager;

use rand::distr::Alphanumeric;
use rand::{rng, Rng, RngExt};
use tokio::time::Instant;

pub fn new_key() -> String {
    Uuid::new_v4().to_string()
}

pub fn generate_key_with_letter_prefix() -> String {
    let mut name = new_key();
    loop {
        if !name.as_bytes()[0].is_ascii_alphabetic() {
            name = name[1..].to_string();
        } else {
            break;
        }
    }

    name
}

pub fn generate_string_value(len: usize) -> String {
    rng()
        .sample_iter(&Alphanumeric)
        .take(len)
        .map(char::from)
        .collect::<String>()
}

pub async fn try_times<Fut, T>(
    times: usize,
    sleep: tokio::time::Duration,
    fail_msg: impl AsRef<str>,
    mut f: impl FnMut() -> Fut,
) -> T
where
    Fut: std::future::Future<Output = Result<Option<T>, couchbase::error::Error>>,
{
    let mut count = 0;
    while count < times {
        match f().await {
            Ok(Some(r)) => return r,
            Ok(None) => {}
            Err(e) => {
                error!("{e:?}");
            }
        };

        tokio::time::sleep(sleep).await;
        count += 1;
    }
    panic!("{}", fail_msg.as_ref());
}

pub async fn try_until<Fut, T>(
    deadline: Instant,
    sleep: tokio::time::Duration,
    fail_msg: impl AsRef<str>,
    mut f: impl FnMut() -> Fut,
) -> T
where
    Fut: std::future::Future<Output = Result<Option<T>, couchbase::error::Error>>,
{
    while Instant::now() < deadline {
        match f().await {
            Ok(Some(r)) => return r,
            Ok(None) => {}
            Err(e) => {
                error!("{e:?}");
            }
        };

        tokio::time::sleep(sleep).await;
    }
    panic!("{}", fail_msg.as_ref());
}