2 * Copyright 2017 Facebook, Inc.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 #include <folly/experimental/io/FsUtil.h>
19 #include <glog/logging.h>
21 #include <folly/portability/GTest.h>
23 using namespace folly;
24 using namespace folly::fs;
27 // We cannot use EXPECT_EQ(a, b) due to a bug in gtest 1.6.0: gtest wants
28 // to print path as a container even though it has operator<< defined,
29 // and as path is a container of path, this leads to infinite
31 void expectPathEq(const path& a, const path& b) {
32 EXPECT_TRUE(a == b) << "expected path=" << a << "\nactual path=" << b;
38 path abs1("/hello/world");
40 EXPECT_TRUE(starts_with(abs1, root));
41 EXPECT_FALSE(starts_with(rel1, root));
42 expectPathEq(path("hello/world"), remove_prefix(abs1, root));
43 EXPECT_THROW({ remove_prefix(rel1, root); }, filesystem_error);
47 path abs4("/hello/world");
48 path abs5("/hello/world/");
49 path abs6("/hello/wo");
50 EXPECT_TRUE(starts_with(abs1, abs2));
51 EXPECT_TRUE(starts_with(abs1, abs3));
52 EXPECT_TRUE(starts_with(abs1, abs4));
53 EXPECT_FALSE(starts_with(abs1, abs5));
54 EXPECT_FALSE(starts_with(abs1, abs6));
55 expectPathEq(path("world"), remove_prefix(abs1, abs2));
56 expectPathEq(path("world"), remove_prefix(abs1, abs3));
57 expectPathEq(path(), remove_prefix(abs1, abs4));
58 EXPECT_THROW({ remove_prefix(abs1, abs5); }, filesystem_error);
59 EXPECT_THROW({ remove_prefix(abs1, abs6); }, filesystem_error);
62 TEST(Simple, CanonicalizeParent) {
63 path a("/usr/bin/tail");
64 path b("/usr/lib/../bin/tail");
65 path c("/usr/bin/DOES_NOT_EXIST_ASDF");
66 path d("/usr/lib/../bin/DOES_NOT_EXIST_ASDF");
68 expectPathEq(a, canonical(a));
69 expectPathEq(a, canonical_parent(b));
70 expectPathEq(a, canonical(b));
71 expectPathEq(a, canonical_parent(b));
72 EXPECT_THROW({ canonical(c); }, filesystem_error);
73 EXPECT_THROW({ canonical(d); }, filesystem_error);
74 expectPathEq(c, canonical_parent(c));
75 expectPathEq(c, canonical_parent(d));