# MIT License
#
# Copyright (c) 2019 Cong Feng.
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.

import unittest
from lsdscc.ds import HypothesisSet
from lsdscc.tests.data import HYPOTHESIS_FILE, N_HYPOTHESES


class TestHypothesisSet(unittest.TestCase):
    def test_from_line(self):
        hs = HypothesisSet.from_line("a</s>b")
        self.assertEqual(list(hs), ["a".split(), "b".split()])

        my_eos = r"<EOS>"
        hs = HypothesisSet.from_line(my_eos.join("ab"), eos=my_eos)
        self.assertEqual(list(hs), ["a".split(), "b".split()])

    def test_load_corpus(self):
        corpus = HypothesisSet.load_corpus(HYPOTHESIS_FILE)
        self.assertEqual(len(corpus), 1, msg="one element corpus")
        hs = corpus[0]
        self.assertEqual(len(hs), N_HYPOTHESES)
        print(hs)
        print(repr(hs))
