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#!/usr/bin/env python
"""Large number of operations intended for measuring performance."""
import dbus
import decorator
import os
import tempfile
import time
import unittest
DS_DBUS_SERVICE = 'org.laptop.sugar.DataStore'
DS_DBUS_INTERFACE = 'org.laptop.sugar.DataStore'
DS_DBUS_PATH = '/org/laptop/sugar/DataStore'
NUM_RUNS = int(os.environ.get('MASSOPS_RUNS', '100'))
IGNORE_PROPERTIES = [
'checksum',
'creation_time',
'number',
'timestamp',
'uid',
'version_id',
]
@decorator.decorator
def repeat(func, *args, **kwargs):
"""Run the decorated function NUM_RUNS times."""
for i_ in range(NUM_RUNS):
func(*args, **kwargs)
class MassOpsTestCase(unittest.TestCase):
"""Large number of operations intended for measuring performance."""
def setUp(self):
# pylint: disable=C0103
self._bus = dbus.SessionBus()
self._datastore = dbus.Interface(self._bus.get_object(DS_DBUS_SERVICE,
DS_DBUS_PATH), DS_DBUS_INTERFACE)
_create_properties = {
'title': 'DS test object',
'mime_type': 'text/plain',
'activity': 'org.sugarlabs.DataStoreTest1',
}
_create_content = 'Foo bar\n' * 1000
def test_create(self):
"""Run create() lots of times to create new objects."""
for i in range(NUM_RUNS):
content_file = tempfile.NamedTemporaryFile()
content_file.write(self._create_content)
content_file.flush()
properties = self._create_properties.copy()
properties['number'] = str(i)
properties['timestamp'] = time.time()
self._datastore.create(properties, content_file.name, False)
content_file.close()
@repeat
def test_find_all(self):
"""Run find() to list all entries."""
entries, total_count = self._datastore.find({}, ['number'],
byte_arrays=True)
self.assertEquals(total_count, NUM_RUNS)
self.assertEquals(total_count, len(entries))
for position, entry in enumerate(entries):
self.assertEquals(int(entry['number']), NUM_RUNS - position - 1)
@repeat
def test_find_all_reverse_time(self):
"""Run find() to list all entries in reverse chronological order."""
entries, total_count = \
self._datastore.find({'order_by': ['-timestamp']}, ['number'],
byte_arrays=True)
self.assertEquals(total_count, NUM_RUNS)
self.assertEquals(total_count, len(entries))
for position, entry in enumerate(entries):
self.assertEquals(int(entry['number']), position)
@repeat
def test_find_all_title(self):
"""Run find() to list all entries ordered by title."""
entries, total_count = \
self._datastore.find({'order_by': ['+title']}, ['tree_id'],
byte_arrays=True)
self.assertEquals(total_count, NUM_RUNS)
self.assertEquals(total_count, len(entries))
@repeat
def test_find_all_reverse_title(self):
"""Run find() to list all entries ordered by title (reversed)."""
entries, total_count = \
self._datastore.find({'order_by': ['-title']}, ['tree_id'],
byte_arrays=True)
self.assertEquals(total_count, NUM_RUNS)
self.assertEquals(total_count, len(entries))
@repeat
def test_find_all_chunked(self):
"""Run find() to list all entries in small chunks."""
chunk_size = 30
for chunk_start in range(0, NUM_RUNS, 30):
entries, total_count = \
self._datastore.find({'offset': chunk_start,
'limit': chunk_size}, ['number'],
byte_arrays=True)
self.assertEquals(len(entries),
min(chunk_size, NUM_RUNS - chunk_start))
self.assertEquals(total_count, NUM_RUNS)
for position, entry in enumerate(entries):
self.assertEquals(int(entry['number']),
NUM_RUNS - (chunk_start + position) - 1)
def test_get_properties(self):
"""Run get_properties() on all entries and verify result."""
for entry in self._datastore.find({}, ['uid'], byte_arrays=True)[0]:
properties = \
self._datastore.get_properties(entry['uid'], byte_arrays=True)
self.assertEquals(properties.pop('filesize'),
str(len(self._create_content)))
self._filter_properties(properties)
self.assertEquals(properties, self._create_properties)
def test_get_filename(self):
"""Run get_filename() on all entries and verify content."""
for entry in self._datastore.find({}, ['uid'], byte_arrays=True)[0]:
filename = self._datastore.get_filename(entry['uid'],
byte_arrays=True)
try:
self.assertEquals(file(filename).read(), self._create_content)
finally:
os.remove(filename)
_update_properties = {
'title': 'DS test object (updated)',
'mime_type': 'text/plain',
'activity': 'org.sugarlabs.DataStoreTest1',
}
_update_content = 'Foo bar baz\n' * 1000
def test_update(self):
"""Update the content of all existing entries"""
content_file = tempfile.NamedTemporaryFile()
content_file.write(self._update_content)
content_file.flush()
for entry in self._datastore.find({}, ['uid'], byte_arrays=True)[0]:
self._datastore.update(entry['uid'], self._update_properties,
content_file.name, False)
def test_update_verify(self):
"""Verify test_update() has changed content and metadata of all
entries.
"""
for entry in self._datastore.find({}, [], byte_arrays=True)[0]:
filename = self._datastore.get_filename(entry['uid'],
byte_arrays=True)
self.assertEquals(entry.pop('filesize'),
str(len(self._update_content)))
self._filter_properties(entry)
try:
self.assertEquals(entry, self._update_properties)
self.assertEquals(file(filename).read(), self._update_content)
finally:
os.remove(filename)
def _filter_properties(self, properties):
for key in IGNORE_PROPERTIES:
properties.pop(key, None)
def suite():
test_suite = unittest.TestLoader().loadTestsFromTestCase(MassOpsTestCase)
test_suite.__doc__ = MassOpsTestCase.__doc__
return test_suite
|
