def test_dataNotFullyReceived(self):
"""
Since the initial rule inside the grammar is not matched, the receiver
shouldn't receive any byte.
"""
receiver = TrampolinedReceiver()
trampolinedParser = TrampolinedParser(self.grammar, receiver, {})
buf = b'foobarandnotreachdelimiter'
for c in iterbytes(buf):
trampolinedParser.receive(c)
self.assertEqual(receiver.received, [])
def test_bindings(self):
"""
The passed-in bindings should be accessible inside the grammar.
"""
receiver = TrampolinedReceiver()
grammar = r"""
initial = digit:d (-> int(d)+SMALL_INT):val -> receiver.receive(val)
"""
bindings = {'SMALL_INT': 3}
TrampolinedParser(self._parseGrammar(grammar), receiver, bindings).receive('0')
self.assertEqual(receiver.received, [3])
def test_dataFullyReceived(self):
"""
The receiver should receive the data according to the grammar.
"""
receiver = TrampolinedReceiver()
trampolinedParser = TrampolinedParser(self.grammar, receiver, {})
buf = b'\r\n'.join((b'foo', b'bar', b'foo', b'bar'))
for c in iterbytes(buf):
trampolinedParser.receive(c)
self.assertEqual(receiver.received, [b'foo', b'bar', b'foo'])
trampolinedParser.receive('\r\n')
self.assertEqual(receiver.received, [b'foo', b'bar', b'foo', b'bar'])
