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}