82 lines
3.4 KiB
Python
82 lines
3.4 KiB
Python
#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import os
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import happybase
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class MockHBaseTable(happybase.Table):
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def __init__(self, name, connection, data_prefix):
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# data_prefix is added to all rows which are written
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# in this test. It allows to divide data from different tests
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self.data_prefix = data_prefix
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# We create happybase Table with prefix from
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# CEILOMETER_TEST_HBASE_TABLE_PREFIX
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prefix = os.getenv("CEILOMETER_TEST_HBASE_TABLE_PREFIX", 'test')
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separator = os.getenv(
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"CEILOMETER_TEST_HBASE_TABLE_PREFIX_SEPARATOR", '_')
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super(MockHBaseTable, self).__init__(
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"%s%s%s" % (prefix, separator, name),
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connection)
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def put(self, row, *args, **kwargs):
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row = self.data_prefix + row
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return super(MockHBaseTable, self).put(row, *args,
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**kwargs)
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def scan(self, row_start=None, row_stop=None, row_prefix=None,
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columns=None, filter=None, timestamp=None,
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include_timestamp=False, batch_size=10, scan_batching=None,
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limit=None, sorted_columns=False):
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# Add data prefix for row parameters
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# row_prefix could not be combined with row_start or row_stop
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if not row_start and not row_stop:
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row_prefix = self.data_prefix + (row_prefix or "")
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row_start = None
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row_stop = None
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elif row_start and not row_stop:
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# Adding data_prefix to row_start and row_stop does not work
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# if it looks like row_start = %data_prefix%foo,
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# row_stop = %data_prefix, because row_start > row_stop
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filter = self._update_filter_row(filter)
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row_start = self.data_prefix + row_start
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else:
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row_start = self.data_prefix + (row_start or "")
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row_stop = self.data_prefix + (row_stop or "")
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gen = super(MockHBaseTable, self).scan(row_start, row_stop,
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row_prefix, columns,
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filter, timestamp,
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include_timestamp, batch_size,
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scan_batching, limit,
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sorted_columns)
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data_prefix_len = len(self.data_prefix)
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# Restore original row format
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for row, data in gen:
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yield (row[data_prefix_len:], data)
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def row(self, row, *args, **kwargs):
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row = self.data_prefix + row
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return super(MockHBaseTable, self).row(row, *args, **kwargs)
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def delete(self, row, *args, **kwargs):
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row = self.data_prefix + row
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return super(MockHBaseTable, self).delete(row, *args, **kwargs)
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def _update_filter_row(self, filter):
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if filter:
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return "PrefixFilter(%s) AND %s" % (self.data_prefix, filter)
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else:
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return "PrefixFilter(%s)" % self.data_prefix
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