def test_only_show_ready_deliverable_works(self):
# w1 has licenses but no available copies. It's available
# unless site policy is to hide books like this.
w1 = self._work(with_license_pool=True)
w1.license_pools[0].open_access = False
w1.license_pools[0].licenses_owned = 10
w1.license_pools[0].licenses_available = 0
# w2 has no delivery mechanisms.
w2 = self._work(with_license_pool=True,
with_open_access_download=False)
for dm in w2.license_pools[0].delivery_mechanisms:
self._db.delete(dm)
# w3 is not presentation ready.
w3 = self._work(with_license_pool=True)
w3.presentation_ready = False
# w4's only license pool is suppressed.
w4 = self._work(with_open_access_download=True)
w4.license_pools[0].suppressed = True
# w5 has no licenses.
w5 = self._work(with_license_pool=True)
w5.license_pools[0].open_access = False
w5.license_pools[0].licenses_owned = 0
# w6 is an open-access book, so it's available even though
# licenses_owned and licenses_available are zero.
w6 = self._work(with_open_access_download=True)
w6.license_pools[0].open_access = True
w6.license_pools[0].licenses_owned = 0
w6.license_pools[0].licenses_available = 0
# w7 is not open-access. We own licenses for it, and there are
# licenses available right now. It's available.
w7 = self._work(with_license_pool=True)
w7.license_pools[0].open_access = False
w7.license_pools[0].licenses_owned = 9
w7.license_pools[0].licenses_available = 5
# A normal query against Work/LicensePool finds all works.
orig_q = self._db.query(Work).join(Work.license_pools)
eq_(7, orig_q.count())
# only_show_ready_deliverable_works filters out everything but
# w1 (owned licenses), w6 (open-access), and w7 (available
# licenses)
q = Lane.only_show_ready_deliverable_works(orig_q, Work)
eq_(set([w1, w6, w7]), set(q.all()))
# If we decide to show suppressed works, w4 shows up as well.
q = Lane.only_show_ready_deliverable_works(orig_q,
Work,
show_suppressed=True)
eq_(set([w1, w4, w6, w7]), set(q.all()))
# Change site policy to hide books that can't be borrowed.
with temp_config() as config:
config['policies'] = {
Configuration.HOLD_POLICY: Configuration.HOLD_POLICY_HIDE
}
# w1 no longer shows up, because although we own licenses,
# no copies are available.
# w4 is open-access but it's suppressed, so it still doesn't
# show up.
# w6 still shows up because it's an open-access work.
# w7 shows up because we own licenses and copies are available.
q = Lane.only_show_ready_deliverable_works(orig_q, Work)
eq_(set([w6, w7]), set(q.all()))
