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# Copyright 2011 Canonical Ltd. This software is licensed under the
# GNU Affero General Public License version 3 (see the file LICENSE).
"""Tests for distroseries vocabularies in `lp.registry.vocabularies`."""
__metaclass__ = type
from datetime import (
datetime,
timedelta,
)
from pytz import utc
from testtools.matchers import Equals
from zope.component import getUtility
from zope.schema.interfaces import IVocabularyFactory
from zope.security.proxy import removeSecurityProxy
from canonical.database.sqlbase import flush_database_caches
from canonical.launchpad.webapp.vocabulary import IHugeVocabulary
from canonical.testing.layers import DatabaseFunctionalLayer
from lp.registry.interfaces.distroseries import IDistroSeriesSet
from lp.registry.vocabularies import DistroSeriesDerivationVocabulary
from lp.testing import (
StormStatementRecorder,
TestCaseWithFactory,
)
from lp.testing.matchers import HasQueryCount
class TestDistroSeriesDerivationVocabulary(TestCaseWithFactory):
"""Tests for `DistroSeriesDerivationVocabulary`."""
layer = DatabaseFunctionalLayer
def setUp(self):
super(TestDistroSeriesDerivationVocabulary, self).setUp()
self.all_distroseries = getUtility(IDistroSeriesSet).search()
self.all_series_with_arch = [
series for series in self.all_distroseries
if series.architecturecount != 0]
def test_registration(self):
# DistroSeriesDerivationVocabulary is registered as a named
# utility for IVocabularyFactory.
self.assertEqual(
getUtility(IVocabularyFactory, name="DistroSeriesDerivation"),
DistroSeriesDerivationVocabulary)
def test_interfaces(self):
# DistroSeriesDerivationVocabulary instances provide
# IVocabulary and IVocabularyTokenized.
distroseries = self.factory.makeDistroSeries()
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
self.assertProvides(vocabulary, IHugeVocabulary)
def test_distribution_with_non_derived_series(self):
# Given a distribution with series, none of which are derived, the
# vocabulary factory returns a vocabulary for all distroseries in all
# distributions *except* the given distribution.
distroseries = self.factory.makeDistroSeries()
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = (
set(self.all_series_with_arch).difference(
distroseries.distribution.series))
observed_distroseries = set(term.value for term in vocabulary)
self.assertEqual(expected_distroseries, observed_distroseries)
def test_distribution_with_non_derived_series_no_arch(self):
# Only the parents with DistroArchSeries configured in LP are
# returned in the DistroSeriesDerivationVocabulary if no other
# derived distroseries are present in the distribution.
distroseries = self.factory.makeDistroSeries()
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
another_parent_no_arch = self.factory.makeDistroSeries()
observed_distroseries = set(term.value for term in vocabulary)
self.assertNotIn(another_parent_no_arch, observed_distroseries)
def makeDistroSeriesWithDistroArch(self, *args, **kwargs):
# Helper method to create a distroseries with a
# DistroArchSeries.
distroseries = self.factory.makeDistroSeries(*args, **kwargs)
self.factory.makeDistroArchSeries(distroseries=distroseries)
return distroseries
def test_distribution_with_derived_series(self):
# Given a distribution with series, one or more of which are derived,
# the vocabulary factory returns a vocabulary for all distroseries of
# the distribution from which the derived series have been
# derived with distroarchseries setup in LP.
parent_distroseries = self.makeDistroSeriesWithDistroArch()
self.makeDistroSeriesWithDistroArch()
distroseries = self.factory.makeDistroSeries()
self.factory.makeDistroSeriesParent(
derived_series=distroseries, parent_series=parent_distroseries)
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = set(parent_distroseries.distribution.series)
observed_distroseries = set(term.value for term in vocabulary)
self.assertContentEqual(expected_distroseries, observed_distroseries)
def test_distribution_with_derived_series_no_arch(self):
# Distroseries with no DistroArchSeries can be parents if this
# is not the first derivation in the distribution.
parent_distroseries = self.makeDistroSeriesWithDistroArch()
another_parent_no_arch = self.factory.makeDistroSeries(
distribution=parent_distroseries.distribution)
distroseries = self.factory.makeDistroSeries()
self.factory.makeDistroSeriesParent(
derived_series=distroseries, parent_series=parent_distroseries)
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
observed_distroseries = set(term.value for term in vocabulary)
self.assertIn(another_parent_no_arch, observed_distroseries)
def test_distribution_with_derived_series_from_multiple_parents(self):
# Given a distribution with series, one or more of which are derived
# from multiple parents, the vocabulary factory returns a vocabulary
# for all distroseries of the distribution*s* from which the derived
# series have been derived.
parent_distroseries = self.makeDistroSeriesWithDistroArch()
another_parent_distroseries = self.makeDistroSeriesWithDistroArch()
self.makeDistroSeriesWithDistroArch(
distribution=parent_distroseries.distribution)
distroseries = self.factory.makeDistroSeries()
self.factory.makeDistroSeriesParent(
derived_series=distroseries, parent_series=parent_distroseries)
self.factory.makeDistroSeriesParent(
derived_series=distroseries,
parent_series=another_parent_distroseries)
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = set(
parent_distroseries.distribution.series).union(
set(another_parent_distroseries.distribution.series))
observed_distroseries = set(term.value for term in vocabulary)
self.assertEqual(expected_distroseries, observed_distroseries)
def test_distribution_with_derived_series_of_self(self):
# Given a distribution with series derived from other of its series
# (which shouldn't happen), the vocabulary factory returns a
# vocabulary for all distroseries in all distributions *except* the
# given distribution.
parent_distroseries = self.makeDistroSeriesWithDistroArch()
distroseries = self.factory.makeDistroSeries(
distribution=parent_distroseries.distribution)
self.factory.makeDistroSeriesParent(
derived_series=distroseries, parent_series=parent_distroseries)
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = (
set(self.all_series_with_arch).difference(
distroseries.distribution.series))
observed_distroseries = set(term.value for term in vocabulary)
self.assertEqual(expected_distroseries, observed_distroseries)
def test_distroseries(self):
# Given a distroseries, the vocabulary factory returns the vocabulary
# the same as for its distribution.
distroseries = self.makeDistroSeriesWithDistroArch()
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = (
set(self.all_series_with_arch).difference(
distroseries.distribution.series))
observed_distroseries = set(term.value for term in vocabulary)
self.assertEqual(expected_distroseries, observed_distroseries)
def test_ordering(self):
# The vocabulary is sorted by distribution display name then by the
# date the distroseries was created, newest first.
now = datetime.now(utc)
two_days_ago = now - timedelta(2)
six_days_ago = now - timedelta(7)
aaa = self.factory.makeDistribution(displayname="aaa")
aaa_series_older = self.makeDistroSeriesWithDistroArch(
name="aaa-series-older", distribution=aaa)
removeSecurityProxy(aaa_series_older).date_created = six_days_ago
aaa_series_newer = self.makeDistroSeriesWithDistroArch(
name="aaa-series-newer", distribution=aaa)
removeSecurityProxy(aaa_series_newer).date_created = two_days_ago
bbb = self.factory.makeDistribution(displayname="bbb")
bbb_series_older = self.makeDistroSeriesWithDistroArch(
name="bbb-series-older", distribution=bbb)
removeSecurityProxy(bbb_series_older).date_created = six_days_ago
bbb_series_newer = self.makeDistroSeriesWithDistroArch(
name="bbb-series-newer", distribution=bbb)
removeSecurityProxy(bbb_series_newer).date_created = two_days_ago
ccc = self.factory.makeDistribution(displayname="ccc")
ccc_series = self.makeDistroSeriesWithDistroArch(distribution=ccc)
vocabulary = DistroSeriesDerivationVocabulary(ccc_series)
expected_distroseries = [
aaa_series_newer, aaa_series_older,
bbb_series_newer, bbb_series_older]
observed_distroseries = list(term.value for term in vocabulary)
# observed_distroseries will contain distroseries from the sample
# data, so we must only look at the set of distroseries we have
# created.
observed_distroseries = [
series for series in observed_distroseries
if series in expected_distroseries]
self.assertEqual(expected_distroseries, observed_distroseries)
def test_queries_for_distribution_with_non_derived_series(self):
for index in range(10):
self.factory.makeDistroSeries()
distribution = self.factory.makeDistribution()
distroseries = self.factory.makeDistroSeries(
distribution=distribution)
flush_database_caches()
# Reload distroseries and distribution; these will reasonably already
# be loaded before using the vocabulary.
distroseries.distribution
# Getting terms issues two queries: one to search for parent serieses
# (of which there are none) and a second for all serieses.
with StormStatementRecorder() as recorder:
DistroSeriesDerivationVocabulary(distroseries).terms
self.assertThat(recorder, HasQueryCount(Equals(2)))
def test_queries_for_distribution_with_derived_series(self):
for index in range(10):
self.factory.makeDistroSeries()
distribution = self.factory.makeDistribution()
parent_distroseries = self.factory.makeDistroSeries()
distroseries = self.factory.makeDistroSeries(
distribution=distribution)
self.factory.makeDistroSeriesParent(
derived_series=distroseries, parent_series=parent_distroseries)
flush_database_caches()
# Reload distroseries and distribution; these will reasonably already
# be loaded before using the vocabulary.
distroseries.distribution
# Getting terms issues 2 queries to find parent serieses.
with StormStatementRecorder() as recorder:
DistroSeriesDerivationVocabulary(distroseries).terms
self.assertThat(recorder, HasQueryCount(Equals(2)))
def test_no_duplicates(self):
# No duplicates are present in the returned vocabulary.
distroseries = self.makeDistroSeriesWithDistroArch()
vocabulary = DistroSeriesDerivationVocabulary(distroseries)
expected_distroseries = (
set(self.all_series_with_arch).difference(
distroseries.distribution.series))
observed_distroseries = [term.value for term in vocabulary]
self.assertContentEqual(
expected_distroseries,
observed_distroseries)
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