59 lines
2.4 KiB
C++
59 lines
2.4 KiB
C++
#include "testutils/FuseWriteTest.h"
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#include "fspp/fs_interface/FuseErrnoException.h"
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using ::testing::WithParamInterface;
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using ::testing::Values;
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using ::testing::Eq;
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using ::testing::Ne;
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using ::testing::Invoke;
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using ::testing::Throw;
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using namespace fspp::fuse;
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class FuseWriteErrorTest: public FuseWriteTest, public WithParamInterface<int> {
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public:
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fspp::num_bytes_t FILESIZE = fspp::num_bytes_t(64*1024*1024);
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fspp::num_bytes_t WRITECOUNT = fspp::num_bytes_t(32*1024*1024);
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void SetUp() override {
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//Make the file size big enough that fuse should issue at least two writes
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ReturnIsFileOnLstatWithSize(FILENAME, FILESIZE);
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OnOpenReturnFileDescriptor(FILENAME, 0);
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}
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};
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INSTANTIATE_TEST_SUITE_P(FuseWriteErrorTest, FuseWriteErrorTest, Values(EAGAIN, EBADF, EDESTADDRREQ, EDQUOT, EFAULT, EFBIG, EINTR, EINVAL, EIO, ENOSPC, EPIPE, EOVERFLOW, ESPIPE, ENXIO));
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TEST_P(FuseWriteErrorTest, ReturnErrorOnFirstWriteCall) {
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EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, testing::_))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[WRITECOUNT.value()];
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auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, fspp::num_bytes_t(0));
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EXPECT_EQ(GetParam(), retval.error);
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delete[] buf;
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}
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TEST_P(FuseWriteErrorTest, ReturnErrorOnSecondWriteCall) {
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// The first write request is from the beginning of the file and works, but the later ones fail.
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// We store the number of bytes the first call could successfully write and check later that our
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// write syscall returns exactly this number of bytes
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fspp::num_bytes_t successfullyWrittenBytes = fspp::num_bytes_t(-1);
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EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, Eq(fspp::num_bytes_t(0))))
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.Times(1)
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.WillOnce(Invoke([&successfullyWrittenBytes](int, const void*, fspp::num_bytes_t count, fspp::num_bytes_t) {
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// Store the number of successfully written bytes
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successfullyWrittenBytes = count;
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}));
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EXPECT_CALL(*fsimpl, write(0, testing::_, testing::_, Ne(fspp::num_bytes_t(0))))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[WRITECOUNT.value()];
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auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, fspp::num_bytes_t(0));
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EXPECT_EQ(0, retval.error);
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EXPECT_EQ(successfullyWrittenBytes, retval.written_bytes); // Check that we're getting the number of successfully written bytes (the first write call) returned
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delete[] buf;
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}
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