138 lines
4.1 KiB
C++
138 lines
4.1 KiB
C++
// Copyright 2020 The gVisor Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <errno.h>
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#include <fcntl.h>
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#include <linux/fuse.h>
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#include <sys/stat.h>
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#include <sys/statfs.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <vector>
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#include "gtest/gtest.h"
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#include "test/fuse/linux/fuse_base.h"
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#include "test/util/fuse_util.h"
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#include "test/util/test_util.h"
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namespace gvisor {
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namespace testing {
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namespace {
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class StatTest : public FuseTest {
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public:
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bool StatsAreEqual(struct stat expected, struct stat actual) {
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// device number will be dynamically allocated by kernel, we cannot know
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// in advance
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actual.st_dev = expected.st_dev;
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return memcmp(&expected, &actual, sizeof(struct stat)) == 0;
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}
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};
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TEST_F(StatTest, StatNormal) {
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// Set up fixture.
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mode_t expected_mode = S_IRWXU | S_IRGRP | S_IXGRP | S_IROTH | S_IXOTH;
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struct timespec atime = {.tv_sec = 1595436289, .tv_nsec = 134150844};
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struct timespec mtime = {.tv_sec = 1595436290, .tv_nsec = 134150845};
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struct timespec ctime = {.tv_sec = 1595436291, .tv_nsec = 134150846};
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struct fuse_attr attr = {
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.ino = 1,
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.size = 512,
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.blocks = 4,
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.atime = static_cast<uint64_t>(atime.tv_sec),
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.mtime = static_cast<uint64_t>(mtime.tv_sec),
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.ctime = static_cast<uint64_t>(ctime.tv_sec),
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.atimensec = static_cast<uint32_t>(atime.tv_nsec),
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.mtimensec = static_cast<uint32_t>(mtime.tv_nsec),
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.ctimensec = static_cast<uint32_t>(ctime.tv_nsec),
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.mode = expected_mode,
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.nlink = 2,
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.uid = 1234,
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.gid = 4321,
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.rdev = 12,
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.blksize = 4096,
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};
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header) + sizeof(struct fuse_attr_out),
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};
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struct fuse_attr_out out_payload = {
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.attr = attr,
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};
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auto iov_out = FuseGenerateIovecs(out_header, out_payload);
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SetServerResponse(FUSE_GETATTR, iov_out);
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// Do integration test.
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struct stat stat_buf;
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EXPECT_THAT(stat(mount_point_.path().c_str(), &stat_buf), SyscallSucceeds());
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// Check filesystem operation result.
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struct stat expected_stat = {
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.st_ino = attr.ino,
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.st_nlink = attr.nlink,
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.st_mode = expected_mode,
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.st_uid = attr.uid,
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.st_gid = attr.gid,
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.st_rdev = attr.rdev,
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.st_size = static_cast<off_t>(attr.size),
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.st_blksize = attr.blksize,
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.st_blocks = static_cast<blkcnt_t>(attr.blocks),
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.st_atim = atime,
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.st_mtim = mtime,
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.st_ctim = ctime,
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};
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EXPECT_TRUE(StatsAreEqual(stat_buf, expected_stat));
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_getattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.opcode, FUSE_GETATTR);
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EXPECT_EQ(in_payload.getattr_flags, 0);
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EXPECT_EQ(in_payload.fh, 0);
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}
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TEST_F(StatTest, StatNotFound) {
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// Set up fixture.
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struct fuse_out_header out_header = {
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.len = sizeof(struct fuse_out_header),
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.error = -ENOENT,
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};
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auto iov_out = FuseGenerateIovecs(out_header);
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SetServerResponse(FUSE_GETATTR, iov_out);
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// Do integration test.
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struct stat stat_buf;
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EXPECT_THAT(stat(mount_point_.path().c_str(), &stat_buf),
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SyscallFailsWithErrno(ENOENT));
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// Check FUSE request.
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struct fuse_in_header in_header;
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struct fuse_getattr_in in_payload;
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auto iov_in = FuseGenerateIovecs(in_header, in_payload);
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GetServerActualRequest(iov_in);
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EXPECT_EQ(in_header.opcode, FUSE_GETATTR);
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EXPECT_EQ(in_payload.getattr_flags, 0);
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EXPECT_EQ(in_payload.fh, 0);
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}
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} // namespace
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} // namespace testing
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} // namespace gvisor
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