Implemented fsync test cases

src/test/fspp/fuse/fsync/FuseFsyncErrorTest.cpp

@@ -0,0 +1,28 @@
+#include "testutils/FuseFsyncTest.h"
+#include "gtest/gtest.h"
+#include "gmock/gmock.h"
+
+#include "fspp/impl/FuseErrnoException.h"
+
+using ::testing::_;
+using ::testing::StrEq;
+using ::testing::Throw;
+using ::testing::WithParamInterface;
+using ::testing::Values;
+
+using namespace fspp;
+
+class FuseFsyncErrorTest: public FuseFsyncTest, public WithParamInterface<int> {
+};
+INSTANTIATE_TEST_CASE_P(FuseFsyncErrorTest, FuseFsyncErrorTest, Values(EBADF, EIO, EROFS, EINVAL));
+
+TEST_P(FuseFsyncErrorTest, ReturnedErrorIsCorrect) {
+  ReturnIsFileOnLstat(FILENAME);
+  OnOpenReturnFileDescriptor(FILENAME, 0);
+  EXPECT_CALL(fsimpl, fsync(0))
+    .Times(1).WillOnce(Throw(FuseErrnoException(GetParam())));
+
+  int retval = FsyncFileAllowError(FILENAME);
+  EXPECT_EQ(GetParam(), errno);
+  EXPECT_EQ(-1, retval);
+}

src/test/fspp/fuse/fsync/FuseFsyncFileDescriptorTest.cpp

@@ -0,0 +1,26 @@
+#include "testutils/FuseFsyncTest.h"
+
+#include "fspp/impl/FuseErrnoException.h"
+
+using ::testing::_;
+using ::testing::StrEq;
+using ::testing::WithParamInterface;
+using ::testing::Values;
+using ::testing::Eq;
+using ::testing::Return;
+
+using namespace fspp;
+
+class FuseFsyncFileDescriptorTest: public FuseFsyncTest, public WithParamInterface<int> {
+};
+INSTANTIATE_TEST_CASE_P(FuseFsyncFileDescriptorTest, FuseFsyncFileDescriptorTest, Values(0,1,10,1000,1024*1024*1024));
+
+
+TEST_P(FuseFsyncFileDescriptorTest, FileDescriptorIsCorrect) {
+  ReturnIsFileOnLstat(FILENAME);
+  OnOpenReturnFileDescriptor(FILENAME, GetParam());
+  EXPECT_CALL(fsimpl, fsync(Eq(GetParam())))
+    .Times(1).WillOnce(Return());
+
+  FsyncFile(FILENAME);
+}

src/test/fspp/fuse/fsync/testutils/FuseFsyncTest.cpp

@@ -0,0 +1,20 @@
+#include "FuseFsyncTest.h"
+
+void FuseFsyncTest::FsyncFile(const char *filename) {
+  int retval = FsyncFileAllowError(filename);
+  EXPECT_EQ(0, retval);
+}
+
+int FuseFsyncTest::FsyncFileAllowError(const char *filename) {
+  auto fs = TestFS();
+
+  int fd = OpenFile(fs.get(), filename);
+  return ::fsync(fd);
+}
+
+int FuseFsyncTest::OpenFile(const TempTestFS *fs, const char *filename) {
+  auto realpath = fs->mountDir() / filename;
+  int fd = ::open(realpath.c_str(), O_RDWR);
+  EXPECT_GE(fd, 0) << "Error opening file";
+  return fd;
+}

src/test/fspp/fuse/fsync/testutils/FuseFsyncTest.h

@@ -0,0 +1,18 @@
+#pragma once
+#ifndef TEST_FSPP_FUSE_FSYNC_TESTUTILS_FUSEFSYNCTEST_H_
+#define TEST_FSPP_FUSE_FSYNC_TESTUTILS_FUSEFSYNCTEST_H_
+
+#include "test/testutils/FuseTest.h"
+
+class FuseFsyncTest: public FuseTest {
+public:
+  const char *FILENAME = "/myfile";
+
+  void FsyncFile(const char *filename);
+  int FsyncFileAllowError(const char *filename);
+
+private:
+  int OpenFile(const TempTestFS *fs, const char *filename);
+};
+
+#endif