core/fuzz/utils.rs

// Licensed to the Apache Software Foundation (ASF) under one
// or more contributor license agreements.  See the NOTICE file
// distributed with this work for additional information
// regarding copyright ownership.  The ASF licenses this file
// to you 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 std::env;

use opendal::Operator;
use opendal::Scheme;

fn service(scheme: Scheme) -> Option<Operator> {
    let test_key = format!("opendal_{}_test", scheme).to_uppercase();
    if env::var(test_key).unwrap_or_default() != "on" {
        return None;
    }

    let prefix = format!("opendal_{}_", scheme);
    let envs = env::vars()
        .filter_map(move |(k, v)| {
            k.to_lowercase()
                .strip_prefix(&prefix)
                .map(|k| (k.to_string(), v))
        })
        .collect();

    Some(Operator::via_map(scheme, envs).unwrap_or_else(|_| panic!("init {} must succeed", scheme)))
}

pub fn init_services() -> Vec<Operator> {
    let ops = vec![
        service(Scheme::Memory),
        service(Scheme::Fs),
        service(Scheme::S3),
    ];

    ops.into_iter().flatten().collect()
}