#!/usr/bin/env python
#
# Public Domain 2014-2015 MongoDB, Inc.
# Public Domain 2008-2014 WiredTiger, Inc.
#
# This is free and unencumbered software released into the public domain.
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# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
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# In jurisdictions that recognize copyright laws, the author or authors
# 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
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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import os, time
import wiredtiger, wttest
from helper import confirm_does_not_exist, complex_populate, \
    complex_populate_index_name, simple_populate
from wtscenario import check_scenarios

# test_drop.py
#    session level drop operation
class test_drop(wttest.WiredTigerTestCase):
    name = 'test_drop'
    extra_config = ''

    scenarios = check_scenarios([
        ('file', dict(uri='file:')),
        ('table', dict(uri='table:')),
        #Not yet: drop failing with an open cursor needs handle locking
        #('table-lsm', dict(uri='table:', extra_config=',type=lsm')),
    ])

    # Populate an object, remove it and confirm it no longer exists.
    def drop(self, populate, with_cursor, close_session, drop_index):
        uri = self.uri + self.name
        populate(self, uri, 'key_format=S' + self.extra_config, 10)

        # Open cursors should cause failure.
        if with_cursor:
            cursor = self.session.open_cursor(uri, None, None)
            self.assertRaises(wiredtiger.WiredTigerError,
                lambda: self.session.drop(uri, None))
            cursor.close()

        if close_session:
            self.reopen_conn()

        if drop_index:
            drop_uri = complex_populate_index_name(self, uri)
        else:
            drop_uri = uri
        self.session.drop(drop_uri, None)
        confirm_does_not_exist(self, drop_uri)

    # Test drop of an object.
    def test_drop(self):
        # Simple file or table object.
        # Try all combinations except dropping the index, the simple
        # case has no indices.
        for with_cursor in [False, True]:
            for close_session in [False, True]:
                self.drop(simple_populate, with_cursor, close_session, False)

        # A complex, multi-file table object.
        # Try all test combinations.
        if self.uri == "table:":
            for with_cursor in [False, True]:
                for close_session in [False, True]:
                    for drop_index in [False, True]:
                        self.drop(complex_populate, with_cursor,
                                  close_session, drop_index)

    # Test drop of a non-existent object: force succeeds, without force fails.
    def test_drop_dne(self):
        uri = self.uri + self.name
        cguri = 'colgroup:' + self.name
        idxuri = 'index:' + self.name + ':indexname'
        lsmuri = 'lsm:' + self.name
        confirm_does_not_exist(self, uri)
        self.session.drop(uri, 'force')
        self.assertRaises(
            wiredtiger.WiredTigerError, lambda: self.session.drop(uri, None))
        self.session.drop(cguri, 'force')
        self.assertRaises(
            wiredtiger.WiredTigerError, lambda: self.session.drop(cguri, None))
        self.session.drop(idxuri, 'force')
        self.assertRaises(
            wiredtiger.WiredTigerError, lambda: self.session.drop(idxuri, None))
        self.session.drop(lsmuri, 'force')
        self.assertRaises(
            wiredtiger.WiredTigerError, lambda: self.session.drop(lsmuri, None))

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