from __future__ import unicode_literals

from spacy import lex_of
from spacy.spacy import expand_chunk
from spacy.en import lookup
from spacy.en import unhash

import pytest


@pytest.fixture
def open_puncts():
    return ['(', '[', '{', '*']


def test_open(open_puncts):
    word_str = 'Hello'
    for p in open_puncts:
        string = p + word_str
        token = lookup(string)
        assert unhash(lex_of(token)) == p
        tokens = expand_chunk(token)
        assert len(tokens) == 2
        assert unhash(lex_of(tokens[0])) == p
        assert unhash(lex_of(tokens[1])) == word_str


def test_two_different_open(open_puncts):
    word_str = 'Hello'
    for p in open_puncts:
        string = p + "`" + word_str
        token = lookup(string)
        assert unhash(lex_of(token)) == p
        tokens = expand_chunk(token)
        assert len(tokens) == 3
        assert unhash(lex_of(tokens[0])) == p
        assert unhash(lex_of(tokens[1])) == "`"
        assert unhash(lex_of(tokens[2])) == word_str


def test_three_same_open(open_puncts):
    word_str = 'Hello'
    for p in open_puncts:
        string = p + p + p + word_str
        token = lookup(string)
        assert unhash(lex_of(token)) == p
        tokens = expand_chunk(token)
        assert len(tokens) == 4
        assert unhash(lex_of(tokens[0])) == p
        assert unhash(lex_of(tokens[3])) == word_str


def test_open_appostrophe():
    string = "'The"
    tokens = expand_chunk(lookup(string))
    assert len(tokens) == 2
    assert unhash(lex_of(tokens[0])) == "'"