def testIterator1(self):
'''Test sample Iterator class'''
context = Harness(self)
it = TALES.Iterator('name', (1, ), context)
context._assert_('setLocal', 'name', 1)
assert it.next() and not it.next(), "Single-element iterator"
context._complete_()
def testCompile(self):
'''Test expression compilation'''
e = TALES.Engine()
e.registerType('simple', TALES.SimpleExpr)
ce = e.compile('simple:x')
assert ce(None) == ('simple',
'x'), ('Improperly compiled expression %s.' %
` ce `)
def testRegisterTypeNameConstraints(self):
'''Test constraints on expression type names'''
e = TALES.Engine()
for name in '1A', 'A!', 'AB ':
try:
e.registerType(name, TALES.SimpleExpr)
except TALES.RegistrationError:
pass
else:
assert 0, 'Invalid type name "%s" accepted.' % name
def testRegisterTypeUnique(self):
'''Test expression type registration uniqueness'''
e = TALES.Engine()
e.registerType('simple', TALES.SimpleExpr)
try:
e.registerType('simple', TALES.SimpleExpr)
except TALES.RegistrationError:
pass
else:
assert 0, "Duplicate registration accepted."
def testIterator2(self):
'''Test sample Iterator class'''
context = Harness(self)
it = TALES.Iterator('text', 'text', context)
for c in 'text':
context._assert_('setLocal', 'text', c)
for c in 'text':
assert it.next(), "Multi-element iterator"
assert not it.next(), "Multi-element iterator"
context._complete_()
def testGetContext(self):
'''Test Context creation'''
TALES.Engine().getContext()
TALES.Engine().getContext(v=1)
TALES.Engine().getContext(x=1, y=2)
def testRegisterType(self):
'''Test expression type registration'''
e = TALES.Engine()
e.registerType('simple', TALES.SimpleExpr)
assert e.getTypes()['simple'] == TALES.SimpleExpr
def testIterator0(self):
'''Test sample Iterator class'''
context = Harness(self)
it = TALES.Iterator('name', (), context)
assert not it.next(), "Empty iterator"
context._complete_()
def getContext(self, **kws):
e = TALES.Engine()
e.registerType('simple', TALES.SimpleExpr)
e.registerType('unicode', DummyUnicodeExpr)
return e.getContext(**kws)