def test_overwrite_file_content(self):
testfile = "%s%s%s" % (TestFileHelper.testdatadir, os.path.sep, "testfilename")
size = 2000
FileHelper.create_file(testfile, overwrite=True, size=size, content="aaa")
sha1 = FileHelper.sha256(testfile)
FileHelper.overwrite_file_content(testfile,10,100,"@@@")
sha2 = FileHelper.sha256(testfile)
self.assertNotEqual(sha1, sha2)
def test_overwrite_file_content(self):
testfile = "%s%s%s" % (TestFileHelper.testdatadir, os.path.sep, "test_overwrite.dat")
size = 2000
size_overwrite = 50
FileHelper.create_file(testfile, overwrite=True, size=size, content="aaa")
sha1 = FileHelper.sha256(testfile)
FileHelper.overwrite_file_content(testfile, size/2, size_overwrite, "%%%%")
sha2 = FileHelper.sha256(testfile)
new_size = FileHelper.get_file_size(testfile)
self.assertEqual(new_size, size)
self.assertNotEqual(sha1, sha2)