#
# Licensed to the Apache Software Foundation (ASF) under one
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# distributed with this work for additional information
# regarding copyright ownership.  The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License.  You may obtain a copy of the License at
# 
#   http://www.apache.org/licenses/LICENSE-2.0
# 
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied.  See the License for the
# specific language governing permissions and limitations
# under the License.
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from qpid.parser import ParseError

class ParserBase:

  def lex(self, addr, *types):
    toks = [t.type for t in self.do_lex(addr) if t.type not in self.EXCLUDE]
    assert list(types) == toks, "expected %s, got %s" % (types, toks)

  def valid(self, addr, expected):
    got = self.do_parse(addr)
    assert expected == got, "expected %s, got %s" % (expected, got)

  def invalid(self, addr, error=None):
    try:
      p = self.do_parse(addr)
      assert False, "invalid address parsed: %s" % p
    except ParseError, e:
      assert error == str(e), "expected %r, got %r" % (error, str(e))
