import unittest

from pdfminer.layout import LTLayoutContainer, LAParams, LTTextLineHorizontal


class TestGroupTextLines(unittest.TestCase):
    def test_parent_with_wrong_bbox_returns_non_empty_neighbour_list(self):
        """
        LTLayoutContainer.group_textlines() should return all the lines in a
        separate LTTextBoxes if they do not overlap. Even when the bounding box
        of the parent container does not contain all the lines.
        """
        laparams = LAParams()
        layout = LTLayoutContainer((0, 0, 50, 50))
        line1 = LTTextLineHorizontal(laparams.word_margin)
        line1.set_bbox((0, 0, 50, 5))
        line2 = LTTextLineHorizontal(laparams.word_margin)
        line2.set_bbox((0, 50, 50, 55))
        lines = [line1, line2]

        textboxes = list(layout.group_textlines(laparams, lines))

        self.assertEqual(len(textboxes), 2)