def create_file(path: str):
fs_utils.create_file(path)
output = fs_utils.ls_item(f"{path}")
return fs_utils.parse_ls_output(output)[0]
def test_fs_operations():
TestRun.LOGGER.info("Testing file system events during tracing")
iotrace = TestRun.plugins['iotrace']
for disk in TestRun.dut.disks:
try:
with TestRun.step("Create file system"):
disk.create_filesystem(Filesystem.ext4)
with TestRun.step("Mount device"):
disk.mount(mountpoint)
with TestRun.step("Start tracing"):
iotrace.start_tracing([disk.system_path])
time.sleep(5)
with TestRun.step("Create test directory and file"):
write_file(f"{mountpoint}/test_file", content="foo")
sync()
test_file_inode = get_inode(f"{mountpoint}/test_file")
create_directory(f"{mountpoint}/test_dir")
sync()
with TestRun.step("Write to test file"):
write_file(f"{mountpoint}/test_file",
overwrite=False,
content="bar")
sync()
with TestRun.step("Create new test file"):
create_file(f"{mountpoint}/test_file2")
test_file2_inode = get_inode(f"{mountpoint}/test_file2")
sync()
with TestRun.step("Move test file"):
move(f"{mountpoint}/test_file", f"{mountpoint}/test_dir")
sync()
with TestRun.step("Delete test file"):
remove(f"{mountpoint}/test_dir/test_file")
sync()
with TestRun.step("Stop tracing"):
sync()
iotrace.stop_tracing()
with TestRun.step("Verify trace correctness"):
trace_path = iotrace.get_latest_trace_path()
events = iotrace.get_trace_events(trace_path)
events_parsed = iotrace.parse_json(events)
result = any(
'file' in event and event['file']['eventType'] == 'Create'
and event['file']['id'] == test_file2_inode
for event in events_parsed)
if not result:
raise Exception("Could not find Create event")
result = any(
'file' in event and event['file']['eventType'] == 'Delete'
and event['file']['id'] == test_file_inode
for event in events_parsed)
if not result:
raise Exception("Could not find Delete event")
result = any(
'file' in event and event['file']['eventType'] == 'MoveTo'
and event['file']['id'] == test_file_inode
for event in events_parsed)
if not result:
raise Exception("Could not find MoveTo event")
result = any(
'file' in event and event['file']['eventType'] ==
'MoveFrom' and event['file']['id'] == test_file_inode
for event in events_parsed)
if not result:
raise Exception("Could not find MoveFrom event")
result = any(
'file' in event and event['file']['eventType'] == 'Access'
and event['file']['id'] == test_file_inode
for event in events_parsed)
if not result:
raise Exception("Could not find Access event")
finally:
with TestRun.step("Unmount device"):
disk.unmount()