Skip to main content

iceberg/util/
location.rs

1// Licensed to the Apache Software Foundation (ASF) under one
2// or more contributor license agreements.  See the NOTICE file
3// distributed with this work for additional information
4// regarding copyright ownership.  The ASF licenses this file
5// to you under the Apache License, Version 2.0 (the
6// "License"); you may not use this file except in compliance
7// with the License.  You may obtain a copy of the License at
8//
9//   http://www.apache.org/licenses/LICENSE-2.0
10//
11// Unless required by applicable law or agreed to in writing,
12// software distributed under the License is distributed on an
13// "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
14// KIND, either express or implied.  See the License for the
15// specific language governing permissions and limitations
16// under the License.
17
18/// Strips trailing slashes from a location, preserving a bare URI scheme root
19pub(crate) fn strip_trailing_slash(path: &str) -> &str {
20    let mut path = path;
21    while !path.ends_with("://") {
22        let Some(stripped) = path.strip_suffix('/') else {
23            break;
24        };
25        path = stripped;
26    }
27    path
28}
29
30#[test]
31fn test_strip_trailing_slash() {
32    for (path, expected) in [
33        ("s3://bucket/db/tbl", "s3://bucket/db/tbl"),
34        ("s3://bucket/db/tbl/", "s3://bucket/db/tbl"),
35        ("s3://bucket/db/tbl////", "s3://bucket/db/tbl"),
36        ("blobstore://", "blobstore://"),
37        ("blobstore:///", "blobstore://"),
38        ("file:///", "file://"),
39        ("////", ""),
40        ("", ""),
41    ] {
42        assert_eq!(strip_trailing_slash(path), expected);
43    }
44}