62 lines
2.2 KiB
C++
62 lines
2.2 KiB
C++
#include "testutils/FuseWriteTest.h"
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#include "../../../fuse/FuseErrnoException.h"
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using ::testing::_;
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using ::testing::StrEq;
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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::Return;
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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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size_t FILESIZE = 1024*1024*1024;
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size_t WRITECOUNT = 512*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_CASE_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, _, _, _))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[WRITECOUNT];
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auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, 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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size_t successfullyWrittenBytes = -1;
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EXPECT_CALL(fsimpl, write(0, _, _, Eq(0)))
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.Times(1)
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.WillOnce(Invoke([&successfullyWrittenBytes](int, const void*, size_t count, off_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, _, _, Ne(0)))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[WRITECOUNT];
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auto retval = WriteFileReturnError(FILENAME, buf, WRITECOUNT, 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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