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brozzler/tests/test_frontier.py
Noah Levitt 479f0f7e09 more automated tests of frontier stuff
2017-03-15 14:54:16 -07:00

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#!/usr/bin/env python
'''
test_frontier.py - fairly narrow tests of frontier management, requires
rethinkdb running on localhost
Copyright (C) 2017 Internet Archive
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
'''
import brozzler
import logging
import argparse
import doublethink
import time
args = argparse.Namespace()
args.log_level = logging.INFO
brozzler.cli.configure_logging(args)
def test_rethinkdb_up():
'''Checks that rethinkdb is listening and looks sane.'''
rr = doublethink.Rethinker(db='rethinkdb') # built-in db
tbls = rr.table_list().run()
assert len(tbls) > 10
def test_resume_job():
'''
Tests that the right stuff gets twiddled in rethinkdb when we "start" and
"finish" crawling a job. Doesn't actually crawl anything.
'''
# vagrant brozzler-worker isn't configured to look at the "ignoreme" db
rr = doublethink.Rethinker(db='ignoreme')
frontier = brozzler.RethinkDbFrontier(rr)
job_conf = {'seeds': [{'url': 'http://example.com/'}]}
job = brozzler.new_job(frontier, job_conf)
assert len(list(frontier.job_sites(job.id))) == 1
site = list(frontier.job_sites(job.id))[0]
assert job.status == 'ACTIVE'
assert len(job.starts_and_stops) == 1
assert job.starts_and_stops[0]['start']
assert job.starts_and_stops[0]['stop'] is None
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 1
assert site.starts_and_stops[0]['start']
assert site.starts_and_stops[0]['stop'] is None
frontier.finished(site, 'FINISHED')
job.refresh()
assert job.status == 'FINISHED'
assert len(job.starts_and_stops) == 1
assert job.starts_and_stops[0]['start']
assert job.starts_and_stops[0]['stop']
assert job.starts_and_stops[0]['stop'] > job.starts_and_stops[0]['start']
assert site.status == 'FINISHED'
assert len(site.starts_and_stops) == 1
assert site.starts_and_stops[0]['start']
assert site.starts_and_stops[0]['stop']
assert site.starts_and_stops[0]['stop'] > site.starts_and_stops[0]['start']
frontier.resume_site(site)
job.refresh()
assert job.status == 'ACTIVE'
assert len(job.starts_and_stops) == 2
assert job.starts_and_stops[1]['start']
assert job.starts_and_stops[1]['stop'] is None
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 2
assert site.starts_and_stops[1]['start']
assert site.starts_and_stops[1]['stop'] is None
frontier.finished(site, 'FINISHED')
job.refresh()
assert job.status == 'FINISHED'
assert len(job.starts_and_stops) == 2
assert job.starts_and_stops[1]['start']
assert job.starts_and_stops[1]['stop']
assert job.starts_and_stops[1]['stop'] > job.starts_and_stops[0]['start']
assert site.status == 'FINISHED'
assert len(site.starts_and_stops) == 2
assert site.starts_and_stops[1]['start']
assert site.starts_and_stops[1]['stop']
assert site.starts_and_stops[1]['stop'] > site.starts_and_stops[0]['start']
# resuming a job == resuming all of its sites
frontier.resume_job(job)
site = list(frontier.job_sites(job.id))[0]
assert job.status == 'ACTIVE'
assert len(job.starts_and_stops) == 3
assert job.starts_and_stops[2]['start']
assert job.starts_and_stops[2]['stop'] is None
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 3
assert site.starts_and_stops[2]['start']
assert site.starts_and_stops[2]['stop'] is None
frontier.finished(site, 'FINISHED')
job.refresh()
assert job.status == 'FINISHED'
assert len(job.starts_and_stops) == 3
assert job.starts_and_stops[2]['start']
assert job.starts_and_stops[2]['stop']
assert job.starts_and_stops[2]['stop'] > job.starts_and_stops[0]['start']
assert site.status == 'FINISHED'
assert len(site.starts_and_stops) == 3
assert site.starts_and_stops[2]['start']
assert site.starts_and_stops[2]['stop']
assert site.starts_and_stops[2]['stop'] > site.starts_and_stops[0]['start']
def test_time_limit():
# vagrant brozzler-worker isn't configured to look at the "ignoreme" db
rr = doublethink.Rethinker('localhost', db='ignoreme')
frontier = brozzler.RethinkDbFrontier(rr)
site = brozzler.Site(rr, {'seed':'http://example.com/', 'time_limit':99999})
brozzler.new_site(frontier, site)
site.refresh() # get it back from the db
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 1
assert site.starts_and_stops[0]['start']
assert site.starts_and_stops[0]['stop'] is None
frontier.finished(site, 'FINISHED')
assert site.status == 'FINISHED'
assert len(site.starts_and_stops) == 1
assert site.starts_and_stops[0]['start']
assert site.starts_and_stops[0]['stop']
assert site.starts_and_stops[0]['stop'] > site.starts_and_stops[0]['start']
frontier.resume_site(site)
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 2
assert site.starts_and_stops[1]['start']
assert site.starts_and_stops[1]['stop'] is None
# time limit not reached yet
frontier._enforce_time_limit(site)
assert site.status == 'ACTIVE'
assert len(site.starts_and_stops) == 2
assert site.starts_and_stops[1]['start']
assert site.starts_and_stops[1]['stop'] is None
site.time_limit = 0.1
site.claimed = True
site.save()
time.sleep(0.1)
frontier._enforce_time_limit(site)
assert site.status == 'FINISHED_TIME_LIMIT'
assert not site.claimed
assert len(site.starts_and_stops) == 2
assert site.starts_and_stops[1]['start']
assert site.starts_and_stops[1]['stop']
assert site.starts_and_stops[1]['stop'] > site.starts_and_stops[0]['start']
def test_field_defaults():
rr = doublethink.Rethinker('localhost', db='ignoreme')
# page
brozzler.Page.table_ensure(rr)
page = brozzler.Page(rr, {'hops_from_seed': 3})
assert page.hops_from_seed == 3
assert page.id
assert page.brozzle_count == 0
page.save()
assert page.hops_from_seed == 3
assert page.id
assert page.brozzle_count == 0
qage = brozzler.Page.load(rr, page.id)
assert qage.hops_from_seed == 3
assert qage.id == page.id
assert qage.brozzle_count == 0
qage.save()
assert qage.hops_from_seed == 3
assert qage.id == page.id
assert qage.brozzle_count == 0
qage.refresh()
assert qage.hops_from_seed == 3
assert qage.id == page.id
assert qage.brozzle_count == 0
# site
brozzler.Site.table_ensure(rr)
site = brozzler.Site(rr, {
'seed': 'http://example.com/', 'enable_warcprox_features': True})
assert site.enable_warcprox_features is True
assert site.id is None
assert site.scope
assert site.scope['surt'] == 'http://(com,example,)/'
site.save()
assert site.id
assert site.scope
tite = brozzler.Site.load(rr, site.id)
assert tite.enable_warcprox_features is True
assert tite.id == site.id
assert tite.scope == site.scope
tite.save()
assert tite.enable_warcprox_features is True
assert tite.id == site.id
assert tite.scope == site.scope
tite.refresh()
assert tite.enable_warcprox_features is True
assert tite.id == site.id
assert tite.scope == site.scope
# job
brozzler.Job.table_ensure(rr)
job = brozzler.Job(rr, {'status': 'WHUUUT'})
assert job.status == 'WHUUUT'
assert job.id is None
assert job.starts_and_stops
job.save()
assert job.status == 'WHUUUT'
assert job.id
assert job.starts_and_stops
kob = brozzler.Job.load(rr, job.id)
assert kob.status == 'WHUUUT'
assert kob.id
assert kob.starts_and_stops
kob.save()
assert kob.status == 'WHUUUT'
assert kob.id
assert kob.starts_and_stops
kob.refresh()
assert kob.status == 'WHUUUT'
assert kob.id
assert kob.starts_and_stops
def test_scope_and_scheduled_outlinks():
rr = doublethink.Rethinker('localhost', db='ignoreme')
frontier = brozzler.RethinkDbFrontier(rr)
site = brozzler.Site(rr, {
'seed':'http://example.com/', 'remember_outlinks':True})
parent_page = brozzler.Page(rr, {
'hops_from_seed': 1, 'url': 'http://example.com/whatever'})
outlinks = [
'https://example.com/',
'https://example.com/foo',
'http://example.com/bar',
'HTtp://exAMPle.COm/bar',
'HTtp://exAMPle.COm/BAr',
'HTtp://exAMPle.COm/BAZZZZ',]
orig_is_permitted_by_robots = brozzler.is_permitted_by_robots
brozzler.is_permitted_by_robots = lambda *args: True
try:
frontier.scope_and_schedule_outlinks(site, parent_page, outlinks)
finally:
brozzler.is_permitted_by_robots = orig_is_permitted_by_robots
assert sorted(parent_page.outlinks['rejected']) == [
'https://example.com/', 'https://example.com/foo']
assert sorted(parent_page.outlinks['accepted']) == [
'http://example.com/BAZZZZ', 'http://example.com/BAr',
'http://example.com/bar']
assert parent_page.outlinks['blocked'] == []
pp = brozzler.Page.load(rr, parent_page.id)
assert pp == parent_page
for url in parent_page.outlinks['rejected']:
id = brozzler.Page.compute_id(site.id, url)
assert brozzler.Page.load(rr, id) is None
for url in parent_page.outlinks['accepted']:
id = brozzler.Page.compute_id(site.id, url)
assert brozzler.Page.load(rr, id)
def test_completed_page():
rr = doublethink.Rethinker('localhost', db='ignoreme')
frontier = brozzler.RethinkDbFrontier(rr)
# redirect that changes scope surt
site = brozzler.Site(rr, {'seed':'http://example.com/a/'})
site.save()
page = brozzler.Page(rr, {
'site_id': site.id,
'url': 'http://example.com/a/',
'claimed': True,
'brozzle_count': 0,
'hops_from_seed': 0,
'redirect_url':'http://example.com/b/', })
page.save()
assert site.scope == {'surt': 'http://(com,example,)/a/'}
frontier.completed_page(site, page)
assert site.scope == {'surt': 'http://(com,example,)/b/'}
site.refresh()
assert site.scope == {'surt': 'http://(com,example,)/b/'}
assert page.brozzle_count == 1
assert page.claimed == False
page.refresh()
assert page.brozzle_count == 1
assert page.claimed == False
# redirect that doesn't change scope surt because destination is covered by
# the original surt
site = brozzler.Site(rr, {'seed':'http://example.com/a/'})
site.save()
page = brozzler.Page(rr, {
'site_id': site.id,
'url': 'http://example.com/a/',
'claimed': True,
'brozzle_count': 0,
'hops_from_seed': 0,
'redirect_url':'http://example.com/a/x/', })
page.save()
assert site.scope == {'surt': 'http://(com,example,)/a/'}
frontier.completed_page(site, page)
assert site.scope == {'surt': 'http://(com,example,)/a/'}
site.refresh()
assert site.scope == {'surt': 'http://(com,example,)/a/'}
assert page.brozzle_count == 1
assert page.claimed == False
page.refresh()
assert page.brozzle_count == 1
assert page.claimed == False
# redirect that doesn't change scope surt because page is not the seed page
site = brozzler.Site(rr, {'seed':'http://example.com/a/'})
site.save()
page = brozzler.Page(rr, {
'site_id': site.id,
'url': 'http://example.com/c/',
'claimed': True,
'brozzle_count': 0,
'hops_from_seed': 1,
'redirect_url':'http://example.com/d/', })
page.save()
assert site.scope == {'surt': 'http://(com,example,)/a/'}
frontier.completed_page(site, page)
assert site.scope == {'surt': 'http://(com,example,)/a/'}
site.refresh()
assert site.scope == {'surt': 'http://(com,example,)/a/'}
assert page.brozzle_count == 1
assert page.claimed == False
page.refresh()
assert page.brozzle_count == 1
assert page.claimed == False
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