65 lines
2.1 KiB
C++
65 lines
2.1 KiB
C++
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#include "testutils/FuseReadTest.h"
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#include "fspp/impl/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;
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class FuseReadErrorTest: public FuseReadTest, public WithParamInterface<int> {
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public:
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size_t FILESIZE = 1024*1024*1024;
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size_t READCOUNT = 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 reads
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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(FuseReadErrorTest, FuseReadErrorTest, Values(EAGAIN, EBADF, EFAULT, EINTR, EINVAL, EIO, EISDIR, EOVERFLOW, ESPIPE, ENXIO));
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TEST_P(FuseReadErrorTest, ReturnErrorOnFirstReadCall) {
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EXPECT_CALL(fsimpl, read(0, _, _, _))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[READCOUNT];
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errno = 0;
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int retval = ReadFileAllowError(FILENAME, buf, READCOUNT, 0);
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EXPECT_EQ(GetParam(), errno);
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EXPECT_EQ(-1, retval);
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delete[] buf;
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}
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TEST_P(FuseReadErrorTest, ReturnErrorOnSecondReadCall) {
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// The first read 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 read and check later that our
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// read syscall returns exactly this number of bytes
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size_t successfullyReadBytes = -1;
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EXPECT_CALL(fsimpl, read(0, _, _, Eq(0)))
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.Times(1)
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.WillOnce(Invoke([&successfullyReadBytes](int, void*, size_t count, off_t) {
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// Store the number of successfully read bytes
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successfullyReadBytes = count;
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return count;
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}));
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EXPECT_CALL(fsimpl, read(0, _, _, Ne(0)))
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.WillRepeatedly(Throw(FuseErrnoException(GetParam())));
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char *buf = new char[READCOUNT];
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errno = 0;
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size_t retval = ReadFileAllowError(FILENAME, buf, READCOUNT, 0);
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EXPECT_EQ(0, errno);
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EXPECT_EQ(successfullyReadBytes, retval); // Check that we're getting the number of successfully read bytes (the first read call) returned
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delete[] buf;
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}
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