test_zipfile.py 文件源码

def test_empty_zipfile(self):
        # Check that creating a file in 'w' or 'a' mode and closing without
        # adding any files to the archives creates a valid empty ZIP file
        zipf = zipfile.ZipFile(TESTFN, mode="w")
        zipf.close()
        try:
            zipf = zipfile.ZipFile(TESTFN, mode="r")
        except zipfile.BadZipFile:
            self.fail("Unable to create empty ZIP file in 'w' mode")

        zipf = zipfile.ZipFile(TESTFN, mode="a")
        zipf.close()
        try:
            zipf = zipfile.ZipFile(TESTFN, mode="r")
        except:
            self.fail("Unable to create empty ZIP file in 'a' mode")