def test_properOrphaning(self):
"""
If two installed items both depend on a third, it should be
removed as soon as both installed items are removed, but no
sooner.
"""
foo = Kitchen(store=self.store)
e = Toaster(store=self.store)
dependency.installOn(e, foo)
ps = self.store.findUnique(PowerStrip)
bb = self.store.findUnique(Breadbox)
f = Blender(store=self.store)
dependency.installOn(f, foo)
self.assertEquals(list(self.store.query(PowerStrip)), [ps])
#XXX does ordering matter?
self.assertEquals(set(dependency.installedDependents(ps, foo)),
set([e, f]))
self.assertEquals(set(dependency.installedRequirements(e, foo)),
set([bb, ps]))
self.assertEquals(list(dependency.installedRequirements(f, foo)), [ps])
dependency.uninstallFrom(e, foo)
self.assertEquals(dependency.installedOn(ps), foo)
dependency.uninstallFrom(f, foo)
self.assertEquals(dependency.installedOn(ps), None)
def test_properOrphaning(self):
"""
If two installed items both depend on a third, it should be
removed as soon as both installed items are removed, but no
sooner.
"""
foo = Kitchen(store=self.store)
e = Toaster(store=self.store)
dependency.installOn(e, foo)
ps = self.store.findUnique(PowerStrip)
bb = self.store.findUnique(Breadbox)
f = Blender(store=self.store)
dependency.installOn(f, foo)
self.assertEquals(list(self.store.query(PowerStrip)), [ps])
#XXX does ordering matter?
self.assertEquals(set(dependency.installedDependents(ps, foo)),
set([e, f]))
self.assertEquals(set(dependency.installedRequirements(e, foo)),
set([bb, ps]))
self.assertEquals(list(dependency.installedRequirements(f, foo)),
[ps])
dependency.uninstallFrom(e, foo)
self.assertEquals(dependency.installedOn(ps), foo)
dependency.uninstallFrom(f, foo)
self.assertEquals(dependency.installedOn(ps), None)
def test_basicInstall(self):
"""
If a Toaster gets installed in a Kitchen, make sure that the
required dependencies get instantiated and installed too.
"""
foo = Kitchen(store=self.store)
e = Toaster(store=self.store)
self.assertEquals(e.powerStrip, None)
dependency.installOn(e, foo)
e.toast()
ps = self.store.findUnique(PowerStrip, default=None)
bb = self.store.findUnique(Breadbox, default=None)
self.failIfIdentical(ps, None)
self.failIfIdentical(bb, None)
self.assertEquals(e.powerStrip, ps)
self.assertEquals(ps.voltage, 110)
self.assertEquals(e.breadFactory, bb)
self.assertEquals(set(dependency.installedRequirements(e, foo)),
set([ps, bb]))
self.assertEquals(list(dependency.installedDependents(ps, foo)), [e])
def test_basicInstall(self):
"""
If a Toaster gets installed in a Kitchen, make sure that the
required dependencies get instantiated and installed too.
"""
foo = Kitchen(store=self.store)
e = Toaster(store=self.store)
self.assertEquals(e.powerStrip, None)
dependency.installOn(e, foo)
e.toast()
ps = self.store.findUnique(PowerStrip, default=None)
bb = self.store.findUnique(Breadbox, default=None)
self.failIfIdentical(ps, None)
self.failIfIdentical(bb, None)
self.assertEquals(e.powerStrip, ps)
self.assertEquals(ps.voltage, 110)
self.assertEquals(e.breadFactory, bb)
self.assertEquals(set(dependency.installedRequirements(e, foo)),
set([ps, bb]))
self.assertEquals(list(dependency.installedDependents(ps, foo)), [e])
