85 lines
3.1 KiB
C++
85 lines
3.1 KiB
C++
#include <cpp-utils/data/DataFixture.h>
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#include "testutils/FuseWriteTest.h"
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#include "../../testutils/InMemoryFile.h"
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#include "fspp/fs_interface/FuseErrnoException.h"
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using ::testing::_;
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using ::testing::Invoke;
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using ::testing::Action;
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using cpputils::DataFixture;
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using cpputils::Data;
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using namespace fspp::fuse;
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class FuseWriteOverflowTest: public FuseWriteTest {
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public:
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fspp::num_bytes_t FILESIZE;
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fspp::num_bytes_t WRITESIZE;
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fspp::num_bytes_t OFFSET;
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WriteableInMemoryFile testFile;
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Data writeData;
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FuseWriteOverflowTest(fspp::num_bytes_t filesize, fspp::num_bytes_t writesize, fspp::num_bytes_t offset)
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: FILESIZE(filesize), WRITESIZE(writesize), OFFSET(offset), testFile(DataFixture::generate(FILESIZE.value())), writeData(DataFixture::generate(WRITESIZE.value())) {
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ReturnIsFileOnLstatWithSize(FILENAME, FILESIZE);
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OnOpenReturnFileDescriptor(FILENAME, 0);
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EXPECT_CALL(*fsimpl, write(0, _, _, _)).WillRepeatedly(WriteToFile);
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}
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// This write() mock implementation writes to the stored virtual file.
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Action<void(int, const void*, fspp::num_bytes_t, fspp::num_bytes_t)> WriteToFile =
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Invoke([this](int, const void *buf, fspp::num_bytes_t count, fspp::num_bytes_t offset) {
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testFile.write(buf, count, offset);
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});
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};
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class FuseWriteOverflowTestWithNonemptyFile: public FuseWriteOverflowTest {
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public:
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FuseWriteOverflowTestWithNonemptyFile(): FuseWriteOverflowTest(fspp::num_bytes_t(1000), fspp::num_bytes_t(2000), fspp::num_bytes_t(500)) {}
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};
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteMoreThanFileSizeFromBeginning) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, fspp::num_bytes_t(0));
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EXPECT_EQ(WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEquals(writeData, fspp::num_bytes_t(0)));
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}
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteMoreThanFileSizeFromMiddle) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, OFFSET);
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EXPECT_EQ(OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.regionUnchanged(fspp::num_bytes_t(0), OFFSET));
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EXPECT_TRUE(testFile.fileContentEquals(writeData, OFFSET));
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}
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TEST_F(FuseWriteOverflowTestWithNonemptyFile, WriteAfterFileEnd) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, FILESIZE + OFFSET);
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EXPECT_EQ(FILESIZE + OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.regionUnchanged(fspp::num_bytes_t(0), FILESIZE));
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EXPECT_TRUE(testFile.fileContentEquals(writeData, FILESIZE + OFFSET));
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}
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class FuseWriteOverflowTestWithEmptyFile: public FuseWriteOverflowTest {
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public:
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FuseWriteOverflowTestWithEmptyFile(): FuseWriteOverflowTest(fspp::num_bytes_t(0), fspp::num_bytes_t(2000), fspp::num_bytes_t(500)) {}
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};
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TEST_F(FuseWriteOverflowTestWithEmptyFile, WriteToBeginOfEmptyFile) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, fspp::num_bytes_t(0));
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EXPECT_EQ(WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEquals(writeData, fspp::num_bytes_t(0)));
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}
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TEST_F(FuseWriteOverflowTestWithEmptyFile, WriteAfterFileEnd) {
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WriteFile(FILENAME, writeData.data(), WRITESIZE, OFFSET);
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EXPECT_EQ(OFFSET + WRITESIZE, testFile.size());
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EXPECT_TRUE(testFile.fileContentEquals(writeData, OFFSET));
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}
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