libcryfs/test/fspp/impl/FuseOpenFileListTest.cpp

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#include <gtest/gtest.h>
#include <gmock/gmock.h>
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#include "fspp/impl/FuseOpenFileList.h"
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#include <stdexcept>
using cpputils::make_unique_ref;
using namespace fspp;
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class MockOpenFile: public OpenFile {
public:
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MockOpenFile(int fileid_, int flags_): fileid(fileid_), flags(flags_), destructed(false) {}
int fileid, flags;
bool destructed;
~MockOpenFile() {destructed = true;}
MOCK_METHOD(OpenFile::stat_info, stat, (), (const, override));
MOCK_METHOD(void, truncate, (fspp::num_bytes_t), (const, override));
MOCK_METHOD(fspp::num_bytes_t, read, (void*, fspp::num_bytes_t, fspp::num_bytes_t), (const, override));
MOCK_METHOD(void, write, (const void*, fspp::num_bytes_t, fspp::num_bytes_t), (override));
MOCK_METHOD(void, flush, (), (override));
MOCK_METHOD(void, fsync, (), (override));
MOCK_METHOD(void, fdatasync, (), (override));
};
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struct FuseOpenFileListTest: public ::testing::Test {
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static constexpr int FILEID1 = 4;
static constexpr int FLAGS1 = 5;
static constexpr int FILEID2 = 6;
static constexpr int FLAGS2 = 7;
static constexpr int FILEID3 = 8;
static constexpr int FLAGS3 = 9;
FuseOpenFileListTest(): list() {}
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FuseOpenFileList list;
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int open(int fileid, int flags) {
return list.open(make_unique_ref<MockOpenFile>(fileid, flags));
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}
int open() {
return open(FILEID1, FILEID2);
}
void check(int id, int fileid, int flags) {
list.load(id, [=](OpenFile* _openFile) {
MockOpenFile *openFile = dynamic_cast<MockOpenFile*>(_openFile);
EXPECT_EQ(fileid, openFile->fileid);
EXPECT_EQ(flags, openFile->flags);
});
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}
};
TEST_F(FuseOpenFileListTest, EmptyList1) {
ASSERT_THROW(list.load(0, [](OpenFile*) {}), fspp::fuse::FuseErrnoException);
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}
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TEST_F(FuseOpenFileListTest, EmptyList2) {
ASSERT_THROW(list.load(3, [](OpenFile*) {}), fspp::fuse::FuseErrnoException);
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}
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TEST_F(FuseOpenFileListTest, InvalidId) {
int valid_id = open();
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int invalid_id = valid_id + 1;
ASSERT_THROW(list.load(invalid_id, [](OpenFile*) {}), fspp::fuse::FuseErrnoException);
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}
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TEST_F(FuseOpenFileListTest, Open1AndGet) {
int id = open(FILEID1, FLAGS1);
check(id, FILEID1, FLAGS1);
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}
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TEST_F(FuseOpenFileListTest, Open2AndGet) {
int id1 = open(FILEID1, FLAGS1);
int id2 = open(FILEID2, FLAGS2);
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check(id1, FILEID1, FLAGS1);
check(id2, FILEID2, FLAGS2);
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}
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TEST_F(FuseOpenFileListTest, Open3AndGet) {
int id1 = open(FILEID1, FLAGS1);
int id2 = open(FILEID2, FLAGS2);
int id3 = open(FILEID3, FLAGS3);
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check(id1, FILEID1, FLAGS1);
check(id3, FILEID3, FLAGS3);
check(id2, FILEID2, FLAGS2);
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}
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//TODO Test case fails. Disabled it. Figure out why and reenable.
/*TEST_F(FuseOpenFileListTest, DestructOnClose) {
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int id = open();
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MockOpenFile *openFile = dynamic_cast<MockOpenFile*>(list.get(id));
EXPECT_FALSE(openFile->destructed);
list.close(id);
EXPECT_TRUE(openFile->destructed);
}*/
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TEST_F(FuseOpenFileListTest, GetClosedItemOnEmptyList) {
int id = open();
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ASSERT_NO_THROW(list.load(id, [](OpenFile*) {}));
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list.close(id);
ASSERT_THROW(list.load(id, [](OpenFile*) {}), fspp::fuse::FuseErrnoException);
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}
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TEST_F(FuseOpenFileListTest, GetClosedItemOnNonEmptyList) {
int id = open();
open();
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ASSERT_NO_THROW(list.load(id, [](OpenFile*) {}));
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list.close(id);
ASSERT_THROW(list.load(id, [](OpenFile*) {}), fspp::fuse::FuseErrnoException);
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}
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TEST_F(FuseOpenFileListTest, CloseOnEmptyList1) {
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ASSERT_THROW(list.close(0), std::out_of_range);
}
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TEST_F(FuseOpenFileListTest, CloseOnEmptyList2) {
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ASSERT_THROW(list.close(4), std::out_of_range);
}
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TEST_F(FuseOpenFileListTest, RemoveInvalidId) {
int valid_id = open();
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int invalid_id = valid_id + 1;
ASSERT_THROW(list.close(invalid_id), std::out_of_range);
}