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fusefs: prefer FUSE_ROOT_ID to literal 1 in the tests
[FreeBSD/FreeBSD.git] / tests / sys / fs / fusefs / rmdir.cc
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2019 The FreeBSD Foundation
5  *
6  * This software was developed by BFF Storage Systems, LLC under sponsorship
7  * from the FreeBSD Foundation.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  *
18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
19  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28  * SUCH DAMAGE.
29  */
30
31 extern "C" {
32 #include <fcntl.h>
33 }
34
35 #include "mockfs.hh"
36 #include "utils.hh"
37
38 using namespace testing;
39
40 class Rmdir: public FuseTest {
41 public:
42 void expect_getattr(uint64_t ino, mode_t mode)
43 {
44         EXPECT_CALL(*m_mock, process(
45                 ResultOf([=](auto in) {
46                         return (in.header.opcode == FUSE_GETATTR &&
47                                 in.header.nodeid == ino);
48                 }, Eq(true)),
49                 _)
50         ).WillOnce(Invoke(ReturnImmediate([=](auto i __unused, auto& out) {
51                 SET_OUT_HEADER_LEN(out, attr);
52                 out.body.attr.attr.ino = ino;   // Must match nodeid
53                 out.body.attr.attr.mode = mode;
54                 out.body.attr.attr_valid = UINT64_MAX;
55         })));
56 }
57
58 void expect_lookup(const char *relpath, uint64_t ino)
59 {
60         EXPECT_LOOKUP(FUSE_ROOT_ID, relpath)
61         .WillOnce(Invoke(ReturnImmediate([=](auto in __unused, auto& out) {
62                 SET_OUT_HEADER_LEN(out, entry);
63                 out.body.entry.attr.mode = S_IFDIR | 0755;
64                 out.body.entry.nodeid = ino;
65                 out.body.entry.attr.nlink = 2;
66         })));
67 }
68
69 void expect_rmdir(uint64_t parent, const char *relpath, int error)
70 {
71         EXPECT_CALL(*m_mock, process(
72                 ResultOf([=](auto in) {
73                         return (in.header.opcode == FUSE_RMDIR &&
74                                 0 == strcmp(relpath, in.body.rmdir) &&
75                                 in.header.nodeid == parent);
76                 }, Eq(true)),
77                 _)
78         ).WillOnce(Invoke(ReturnErrno(error)));
79 }
80 };
81
82 /*
83  * A successful rmdir should clear the parent directory's attribute cache,
84  * because the fuse daemon should update its mtime and ctime
85  */
86 TEST_F(Rmdir, clear_attr_cache)
87 {
88         const char FULLPATH[] = "mountpoint/some_dir";
89         const char RELPATH[] = "some_dir";
90         struct stat sb;
91         uint64_t ino = 42;
92
93         EXPECT_CALL(*m_mock, process(
94                 ResultOf([=](auto in) {
95                         return (in.header.opcode == FUSE_GETATTR &&
96                                 in.header.nodeid == FUSE_ROOT_ID);
97                 }, Eq(true)),
98                 _)
99         ).Times(2)
100         .WillRepeatedly(Invoke(ReturnImmediate([=](auto i __unused, auto& out) {
101                 SET_OUT_HEADER_LEN(out, attr);
102                 out.body.attr.attr.ino = ino;   // Must match nodeid
103                 out.body.attr.attr.mode = S_IFDIR | 0755;
104                 out.body.attr.attr_valid = UINT64_MAX;
105         })));
106         expect_lookup(RELPATH, ino);
107         expect_rmdir(FUSE_ROOT_ID, RELPATH, 0);
108
109         ASSERT_EQ(0, rmdir(FULLPATH)) << strerror(errno);
110         EXPECT_EQ(0, stat("mountpoint", &sb)) << strerror(errno);
111 }
112
113 TEST_F(Rmdir, enotempty)
114 {
115         const char FULLPATH[] = "mountpoint/some_dir";
116         const char RELPATH[] = "some_dir";
117         uint64_t ino = 42;
118
119         expect_getattr(FUSE_ROOT_ID, S_IFDIR | 0755);
120         expect_lookup(RELPATH, ino);
121         expect_rmdir(FUSE_ROOT_ID, RELPATH, ENOTEMPTY);
122
123         ASSERT_NE(0, rmdir(FULLPATH));
124         ASSERT_EQ(ENOTEMPTY, errno);
125 }
126
127 TEST_F(Rmdir, ok)
128 {
129         const char FULLPATH[] = "mountpoint/some_dir";
130         const char RELPATH[] = "some_dir";
131         uint64_t ino = 42;
132
133         expect_getattr(FUSE_ROOT_ID, S_IFDIR | 0755);
134         expect_lookup(RELPATH, ino);
135         expect_rmdir(FUSE_ROOT_ID, RELPATH, 0);
136
137         ASSERT_EQ(0, rmdir(FULLPATH)) << strerror(errno);
138 }