ardupilot/Tools/LogAnalyzer/tests/TestEmpty.py

import DataflashLog
from LogAnalyzer import Test, TestResult


class TestEmpty(Test):
    '''test for empty or near-empty logs'''

    def __init__(self):
        Test.__init__(self)
        self.name = "Empty"

    def run(self, logdata, verbose):
        self.result = TestResult()
        self.result.status = TestResult.StatusType.GOOD

        # all the logic for this test is in the helper function, as it can also be called up front as an early exit
        emptyErr = DataflashLog.DataflashLogHelper.isLogEmpty(logdata)
        if emptyErr:
            self.result.status = TestResult.StatusType.FAIL
            self.result.statusMessage = "Empty log? " + emptyErr