84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
#include <messmer/cpp-utils/data/DataBlockFixture.h>
|
|
#include "testutils/FuseWriteTest.h"
|
|
|
|
#include "../../../fuse/FuseErrnoException.h"
|
|
|
|
#include <tuple>
|
|
#include <cstdlib>
|
|
|
|
using ::testing::_;
|
|
using ::testing::StrEq;
|
|
using ::testing::WithParamInterface;
|
|
using ::testing::Values;
|
|
using ::testing::Combine;
|
|
using ::testing::Eq;
|
|
using ::testing::Return;
|
|
using ::testing::Invoke;
|
|
using ::testing::Action;
|
|
|
|
using std::tuple;
|
|
using std::get;
|
|
using std::min;
|
|
using std::unique_ptr;
|
|
using std::make_unique;
|
|
using cpputils::DataBlockFixture;
|
|
using cpputils::DataBlockFixtureWriteable;
|
|
|
|
using namespace fspp::fuse;
|
|
|
|
// We can't test the count or size parameter directly, because fuse doesn't pass them 1:1.
|
|
// But we can test that the data passed to the ::write syscall is correctly written.
|
|
|
|
struct TestData {
|
|
TestData(): count(0), offset(0), additional_bytes_at_end_of_file(0) {}
|
|
TestData(const tuple<size_t, off_t, size_t> &data): count(get<0>(data)), offset(get<1>(data)), additional_bytes_at_end_of_file(get<2>(data)) {}
|
|
size_t count;
|
|
off_t offset;
|
|
//How many more bytes does the file have after the read block?
|
|
size_t additional_bytes_at_end_of_file;
|
|
size_t fileSize() {
|
|
return count + offset + additional_bytes_at_end_of_file;
|
|
}
|
|
};
|
|
|
|
// The testcase creates random data in memory, offers a mock write() implementation to write to this
|
|
// memory region and check methods to check for data equality of a region.
|
|
class FuseWriteDataTest: public FuseWriteTest, public WithParamInterface<tuple<size_t, off_t, size_t>> {
|
|
public:
|
|
unique_ptr<DataBlockFixtureWriteable> testFile;
|
|
TestData testData;
|
|
|
|
FuseWriteDataTest() {
|
|
testData = GetParam();
|
|
testFile = make_unique<DataBlockFixtureWriteable>(testData.fileSize(), 1);
|
|
|
|
ReturnIsFileOnLstatWithSize(FILENAME, testData.fileSize());
|
|
OnOpenReturnFileDescriptor(FILENAME, 0);
|
|
EXPECT_CALL(fsimpl, write(0, _, _, _))
|
|
.WillRepeatedly(WriteToFile);
|
|
}
|
|
|
|
// This write() mock implementation writes to the stored virtual file.
|
|
Action<void(int, const void*, size_t, off_t)> WriteToFile = Invoke([this](int, const void *buf, size_t count, off_t offset) {
|
|
testFile->write(buf, count, offset);
|
|
});
|
|
};
|
|
INSTANTIATE_TEST_CASE_P(FuseWriteDataTest, FuseWriteDataTest, Combine(Values(0,1,10,1000,1024, 10*1024*1024), Values(0, 1, 10, 1024, 10*1024*1024), Values(0, 1, 10, 1024, 10*1024*1024)));
|
|
|
|
|
|
TEST_P(FuseWriteDataTest, DataWasCorrectlyWritten) {
|
|
DataBlockFixture randomWriteData(testData.count, 2);
|
|
WriteFile(FILENAME, randomWriteData.data(), testData.count, testData.offset);
|
|
|
|
EXPECT_TRUE(testFile->fileContentEqual(randomWriteData.data(), testData.count, testData.offset));
|
|
}
|
|
|
|
TEST_P(FuseWriteDataTest, RestOfFileIsUnchanged) {
|
|
DataBlockFixture randomWriteData(testData.count, 2);
|
|
WriteFile(FILENAME, randomWriteData.data(), testData.count, testData.offset);
|
|
|
|
EXPECT_TRUE(testFile->sizeUnchanged());
|
|
EXPECT_TRUE(testFile->regionUnchanged(0, testData.offset));
|
|
EXPECT_TRUE(testFile->regionUnchanged(testData.offset + testData.count, testData.additional_bytes_at_end_of_file));
|
|
}
|