1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
#include <cstddef>
#include "testutils/FuseWriteTest.h"
#include "fspp/fs_interface/FuseErrnoException.h"
using ::testing::WithParamInterface;
using ::testing::Values;
using ::testing::Eq;
using ::testing::Ne;
using ::testing::Invoke;
using ::testing::Throw;
using namespace fspp::fuse;
class FuseWriteErrorTest: public FuseWriteTest, public WithParamInterface<int> {
public:
fspp::num_bytes_t FILESIZE = fspp::num_bytes_t(64*1024*1024);
fspp::num_bytes_t WRITECOUNT = fspp::num_bytes_t(32*1024*1024);
void SetUp() override {
//Make the file size big enough that fuse should issue at least two writes
ReturnIsFileOnLstatWithSize(FILENAME, FILESIZE);
OnOpenReturnFileDescriptor(FILENAME, 0);
}
};
INSTANTIATE_TEST_SUITE_P(FuseWriteErrorTest, FuseWriteErrorTest, Values(EAGAIN, EBADF, EDESTADDRREQ, EDQUOT, EFAULT, EFBIG, EINTR, EINVAL, EIO, ENOSPC, EPIPE, EOVERFLOW, ESPIPE, ENXIO));
TEST_P(FuseWriteErrorTest, ReturnErrorOnFirstWriteCall) {
EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, testing::_))
.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
char *buf = new char[WRITECOUNT.value()];
auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, fspp::num_bytes_t(0));
EXPECT_EQ(GetParam(), retval.error);
delete[] buf;
}
TEST_P(FuseWriteErrorTest, ReturnErrorOnSecondWriteCall) {
// The first write request is from the beginning of the file and works, but the later ones fail.
// We store the number of bytes the first call could successfully write and check later that our
// write syscall returns exactly this number of bytes
fspp::num_bytes_t successfullyWrittenBytes = fspp::num_bytes_t(-1);
EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, Eq(fspp::num_bytes_t(0))))
.Times(1)
.WillOnce(Invoke([&successfullyWrittenBytes](int, const void*, fspp::num_bytes_t count, fspp::num_bytes_t) {
// Store the number of successfully written bytes
successfullyWrittenBytes = count;
}));
EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, Ne(fspp::num_bytes_t(0))))
.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
char *buf = new char[WRITECOUNT.value()];
auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, fspp::num_bytes_t(0));
EXPECT_EQ(0, retval.error);
EXPECT_EQ(successfullyWrittenBytes, retval.written_bytes); // Check that we're getting the number of successfully written bytes (the first write call) returned
delete[] buf;
}
|
