oss-fuzz/projects/openpyxl/fuzz_sheet.py

75 lines
2.1 KiB
Python

#!/usr/bin/python3
# Copyright 2022 Google LLC
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import atheris
import sys
import datetime
with atheris.instrument_imports():
from openpyxl import Workbook
def TestInput(data):
fdp = atheris.FuzzedDataProvider(data)
wb = Workbook()
ws = wb.active
#Row/Col management
ws.insert_rows(fdp.ConsumeInt(100))
ws.insert_cols(fdp.ConsumeInt(100))
ws.delete_rows(fdp.ConsumeInt(100),fdp.ConsumeInt(100))
ws.delete_cols(fdp.ConsumeInt(100),fdp.ConsumeInt(100))
ws.column_dimensions.group(
chr(fdp.ConsumeIntInRange(65,90)),
chr(fdp.ConsumeIntInRange(65,90)),
hidden=True
)
ws.row_dimensions.group(
fdp.ConsumeInt(100),
fdp.ConsumeInt(100),
hidden=True
)
#Cell management
ws['A1'] = datetime.datetime(2022, 1, 1)
format = ws['A1'].number_format
ws.move_range(
"G4:H10",
rows=fdp.ConsumeInt(100),
cols=fdp.ConsumeInt(100),
translate=fdp.ConsumeBool()
)
try:
sr = fdp.ConsumeInt(100)
sc = fdp.ConsumeInt(100)
er = fdp.ConsumeInt(100)
ec = fdp.ConsumeInt(100)
ws.merge_cells(start_row=sr, start_column=sc, end_row=er, end_column=ec)
ws.unmerge_cells(start_row=sr, start_column=sc, end_row=er, end_column=ec)
except ValueError as e:
if "Min value is 1" not in str(e):
raise e
wb.save('%s.xlsx'%fdp.ConsumeString(10))
def main():
atheris.Setup(sys.argv, TestInput, enable_python_coverage=True)
atheris.Fuzz()
if __name__ == "__main__":
main()