mirror of https://github.com/google/oss-fuzz.git
76 lines
2.7 KiB
Python
76 lines
2.7 KiB
Python
#!/usr/bin/python3
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# Copyright 2023 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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"""This fuzzer script targets the pandas replace function with variety of inputs and edge cases."""
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import sys
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import atheris
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import pandas as pd
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def TestOneInput(data):
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fdp = atheris.FuzzedDataProvider(data)
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try:
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num_rows = fdp.ConsumeIntInRange(3, 30)
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num_columns = fdp.ConsumeIntInRange(3, 30)
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col_names = [fdp.ConsumeString(fdp.ConsumeIntInRange(1, 20)) for _ in range(num_columns)]
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df_content = {}
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for col_name in col_names:
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if fdp.ConsumeBool():
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df_content[col_name] = [fdp.ConsumeInt(10) for _ in range(num_rows)]
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elif fdp.ConsumeBool():
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df_content[col_name] = [fdp.ConsumeString(10) for _ in range(num_rows)]
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elif fdp.ConsumeBool():
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df_content[col_name] = [fdp.ConsumeIntInRange(0, 2100) for _ in range(num_rows)]
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elif fdp.ConsumeBool():
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df_content[col_name] = [fdp.ConsumeFloat() for _ in range(num_rows)]
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else:
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df_content[col_name] = [fdp.ConsumeBool() for _ in range(num_rows)]
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df = pd.DataFrame(df_content)
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to_replace = fdp.ConsumeIntInRange(1, 100) if fdp.ConsumeBool else [fdp.ConsumeIntInRange(1, 100),
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fdp.ConsumeIntInRange(1, 100)]
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value = fdp.ConsumeIntInRange(101, 200)
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inplace = fdp.ConsumeBool()
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limit = fdp.ConsumeIntInRange(1, num_rows - 1) if fdp.ConsumeBool() else None
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regex = fdp.ConsumeBool()
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method = fdp.PickValueInList(['pad', 'ffill', 'bfill', 'backfill', fdp.ConsumeString(20), None])
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df.replace(
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to_replace=to_replace,
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value=value,
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inplace=inplace,
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limit=limit,
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regex=regex,
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method=method
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)
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except (
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TypeError, # If to_replace and value have different length
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ValueError # If method is not in ['pad', 'ffill', 'bfill', 'backfill']
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):
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pass
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def main():
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atheris.Setup(sys.argv, TestOneInput)
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atheris.instrument_all()
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atheris.Fuzz()
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if __name__ == "__main__":
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main()
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