diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_cursor01.py')
| -rw-r--r-- | src/third_party/wiredtiger/test/suite/test_cursor01.py | 221 |
1 files changed, 221 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_cursor01.py b/src/third_party/wiredtiger/test/suite/test_cursor01.py new file mode 100644 index 00000000000..cf39d4a4ba4 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_cursor01.py @@ -0,0 +1,221 @@ +#!/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. +# +# 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. +# +# 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. +# +# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, +# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF +# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. +# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR +# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, +# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR +# OTHER DEALINGS IN THE SOFTWARE. + +import wiredtiger, wttest +from wtscenario import check_scenarios + +# test_cursor01.py +# Cursor operations +# Basic smoke-test of file and table cursors: tests get/set key, insert +# and forward/backward iteration, and mostly because we don't test them +# anywhere else, cursor duplication and equality. +class test_cursor01(wttest.WiredTigerTestCase): + """ + Test basic operations + """ + table_name1 = 'test_cursor01' + nentries = 10 + + scenarios = check_scenarios([ + ('file-col', dict(tablekind='col',uri='file')), + ('file-fix', dict(tablekind='fix',uri='file')), + ('file-row', dict(tablekind='row',uri='file')), + ('lsm-row', dict(tablekind='row',uri='lsm')), + ('table-col', dict(tablekind='col',uri='table')), + ('table-fix', dict(tablekind='fix',uri='table')), + ('table-row', dict(tablekind='row',uri='table')) + ]) + + def genkey(self, i): + if self.tablekind == 'row': + return 'key' + str(i) + else: + return long(i+1) + + def genvalue(self, i): + if self.tablekind == 'fix': + return int(i & 0xff) + else: + return 'value' + str(i) + + def assertCursorHasNoKeyValue(self, cursor): + keymsg = '/requires key be set/' + valuemsg = '/requires value be set/' + self.assertRaisesWithMessage( + wiredtiger.WiredTigerError, cursor.get_key, keymsg) + self.assertRaisesWithMessage( + wiredtiger.WiredTigerError, cursor.get_value, valuemsg) + + def session_create(self, name, args): + """ + session.create, but report errors more completely + """ + try: + self.session.create(name, args) + except: + print('**** ERROR in session.create("' + name + '","' + args + '") ***** ') + raise + + # Create and populate the object, returning an open cursor. + def create_session_and_cursor(self): + tablearg = self.uri + ':' + self.table_name1 + if self.tablekind == 'row': + keyformat = 'key_format=S' + else: + keyformat = 'key_format=r' # record format + if self.tablekind == 'fix': + valformat = 'value_format=8t' + else: + valformat = 'value_format=S' + create_args = keyformat + ',' + valformat + + self.pr('creating session: ' + create_args) + self.session_create(tablearg, create_args) + self.pr('creating cursor') + cursor = self.session.open_cursor(tablearg, None, None) + self.assertCursorHasNoKeyValue(cursor) + + for i in range(0, self.nentries): + cursor[self.genkey(i)] = self.genvalue(i) + + return cursor + + # Forward iteration. + def forward_iter(self, cursor): + cursor.reset() + self.assertCursorHasNoKeyValue(cursor) + + i = 0 + while True: + nextret = cursor.next() + if nextret != 0: + break + key = cursor.get_key() + value = cursor.get_value() + self.assertEqual(key, self.genkey(i)) + self.assertEqual(value, self.genvalue(i)) + i += 1 + + self.assertEqual(i, self.nentries) + self.assertEqual(nextret, wiredtiger.WT_NOTFOUND) + self.assertCursorHasNoKeyValue(cursor) + return cursor + + # Forward iteration with cursor duplication. + def forward_iter_with_dup(self, cursor): + cursor.reset() + self.assertCursorHasNoKeyValue(cursor) + + i = 0 + while True: + nextret = cursor.next() + if nextret != 0: + break + key = cursor.get_key() + value = cursor.get_value() + self.assertEqual(key, self.genkey(i)) + self.assertEqual(value, self.genvalue(i)) + dupc = self.session.open_cursor(None, cursor, None) + self.assertEquals(cursor.compare(dupc), 0) + key = dupc.get_key() + value = dupc.get_value() + self.assertEqual(key, self.genkey(i)) + self.assertEqual(value, self.genvalue(i)) + i += 1 + cursor.close() + cursor = dupc + + self.assertEqual(i, self.nentries) + self.assertEqual(nextret, wiredtiger.WT_NOTFOUND) + self.assertCursorHasNoKeyValue(cursor) + return cursor + + # Forward iteration through the object. + # Don't use the builtin 'for ... in cursor', iterate using the basic API. + def test_forward_iter(self): + cursor = self.create_session_and_cursor() + cursor = self.forward_iter(cursor) + cursor = self.forward_iter_with_dup(cursor) + cursor.close() + + # Backward iteration. + def backward_iter(self, cursor): + cursor.reset() + self.assertCursorHasNoKeyValue(cursor) + + i = self.nentries - 1 + while True: + prevret = cursor.prev() + if prevret != 0: + break + key = cursor.get_key() + value = cursor.get_value() + self.assertEqual(key, self.genkey(i)) + self.assertEqual(value, self.genvalue(i)) + i -= 1 + + self.assertEqual(i, -1) + self.assertEqual(prevret, wiredtiger.WT_NOTFOUND) + self.assertCursorHasNoKeyValue(cursor) + return cursor + + # Backward iteration with cursor duplication. + def backward_iter_with_dup(self, cursor): + cursor.reset() + self.assertCursorHasNoKeyValue(cursor) + + i = self.nentries - 1 + while True: + prevret = cursor.prev() + if prevret != 0: + break + key = cursor.get_key() + value = cursor.get_value() + self.assertEqual(key, self.genkey(i)) + self.assertEqual(value, self.genvalue(i)) + i -= 1 + dupc = self.session.open_cursor(None, cursor, None) + self.assertEquals(cursor.compare(dupc), 0) + cursor.close() + cursor = dupc + + self.assertEqual(i, -1) + self.assertEqual(prevret, wiredtiger.WT_NOTFOUND) + self.assertCursorHasNoKeyValue(cursor) + return cursor + + # Backward iteration through the object. + # Don't use the builtin 'for ... in cursor', iterate using the basic API. + def test_backward_iter(self): + cursor = self.create_session_and_cursor() + cursor = self.backward_iter(cursor) + cursor = self.backward_iter_with_dup(cursor) + cursor.close() + +if __name__ == '__main__': + wttest.run() |