#!/usr/bin/env python
#
# Public Domain 2014-2016 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
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# distribute this software, either in source code form or as a compiled
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# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
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# software under copyright law.
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#
# test_bug007.py
#       Regression tests.

import wiredtiger, wttest

# Check that forced salvage works correctly.
class test_bug007(wttest.WiredTigerTestCase):
    def test_bug007(self):
        # This is a btree layer test, test files only.
        uri = 'file:test_bug007'

        # Create the object.
        self.session.create(uri, 'value_format=S,key_format=S')
        cursor = self.session.open_cursor(uri, None)
        cursor.close()

        # Force is required if a file doesn't have a reasonable header.
        # Overwrite the file with random data.
        f = open('test_bug007', 'w')
        f.write('random data' * 100)
        f.close()

        # Salvage should fail.
        self.assertRaisesWithMessage(
            wiredtiger.WiredTigerError,
            lambda: self.session.salvage(uri), "/WT_SESSION.salvage/")

        # Forced salvage should succeed.
        self.session.salvage(uri, "force")

if __name__ == '__main__':
    wttest.run()