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(1, 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 == 1); 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(1, 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(1, S_IFDIR | 0755); 120 expect_lookup(RELPATH, ino); 121 expect_rmdir(1, 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(1, S_IFDIR | 0755); 134 expect_lookup(RELPATH, ino); 135 expect_rmdir(1, RELPATH, 0); 136 137 ASSERT_EQ(0, rmdir(FULLPATH)) << strerror(errno); 138 } 139