113 lines
3.9 KiB
Python
113 lines
3.9 KiB
Python
import pathlib
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import pytest
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from helpers import absolute_sample_path
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from pdfminer.layout import LTComponent
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from pdfminer.utils import open_filename, Plane, shorten_str, \
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format_int_roman, format_int_alpha
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class TestOpenFilename:
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def test_string_input(self):
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filename = absolute_sample_path("simple1.pdf")
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opened = open_filename(filename)
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assert opened.closing
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def test_pathlib_input(self):
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filename = pathlib.Path(absolute_sample_path("simple1.pdf"))
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opened = open_filename(filename)
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assert opened.closing
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def test_file_input(self):
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filename = absolute_sample_path("simple1.pdf")
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with open(filename, "rb") as in_file:
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opened = open_filename(in_file)
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assert opened.file_handler == in_file
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def test_unsupported_input(self):
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with pytest.raises(TypeError):
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open_filename(0)
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class TestPlane:
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def test_find_nothing_in_empty_bbox(self):
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plane, _ = self.given_plane_with_one_object()
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result = list(plane.find((50, 50, 100, 100)))
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assert result == []
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def test_find_nothing_after_removing(self):
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plane, obj = self.given_plane_with_one_object()
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plane.remove(obj)
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result = list(plane.find((0, 0, 100, 100)))
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assert result == []
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def test_find_object_in_whole_plane(self):
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plane, obj = self.given_plane_with_one_object()
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result = list(plane.find((0, 0, 100, 100)))
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assert result == [obj]
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def test_find_if_object_is_smaller_than_gridsize(self):
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plane, obj = self.given_plane_with_one_object(object_size=1,
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gridsize=100)
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result = list(plane.find((0, 0, 100, 100)))
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assert result == [obj]
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def test_find_object_if_much_larger_than_gridsize(self):
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plane, obj = self.given_plane_with_one_object(object_size=100,
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gridsize=10)
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result = list(plane.find((0, 0, 100, 100)))
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assert result == [obj]
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@staticmethod
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def given_plane_with_one_object(object_size=50, gridsize=50):
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bounding_box = (0, 0, 100, 100)
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plane = Plane(bounding_box, gridsize)
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obj = LTComponent((0, 0, object_size, object_size))
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plane.add(obj)
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return plane, obj
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class TestFunctions(object):
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def test_shorten_str(self):
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s = shorten_str('Hello there World', 15)
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assert s == 'Hello ... World'
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def test_shorten_short_str_is_same(self):
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s = 'Hello World'
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assert shorten_str(s, 50) == s
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def test_shorten_to_really_short(self):
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assert shorten_str('Hello World', 5) == 'Hello'
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def test_format_int_alpha(self):
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assert format_int_alpha(1) == 'a'
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assert format_int_alpha(2) == 'b'
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assert format_int_alpha(26) == 'z'
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assert format_int_alpha(27) == 'aa'
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assert format_int_alpha(28) == 'ab'
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assert format_int_alpha(26 * 2) == 'az'
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assert format_int_alpha(26 * 2 + 1) == 'ba'
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assert format_int_alpha(26 * 27) == 'zz'
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assert format_int_alpha(26 * 27 + 1) == 'aaa'
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def test_format_int_roman(self):
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assert format_int_roman(1) == 'i'
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assert format_int_roman(2) == 'ii'
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assert format_int_roman(3) == 'iii'
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assert format_int_roman(4) == 'iv'
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assert format_int_roman(5) == 'v'
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assert format_int_roman(6) == 'vi'
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assert format_int_roman(7) == 'vii'
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assert format_int_roman(8) == 'viii'
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assert format_int_roman(9) == 'ix'
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assert format_int_roman(10) == 'x'
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assert format_int_roman(11) == 'xi'
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assert format_int_roman(20) == 'xx'
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assert format_int_roman(40) == 'xl'
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assert format_int_roman(45) == 'xlv'
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assert format_int_roman(50) == 'l'
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assert format_int_roman(90) == 'xc'
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assert format_int_roman(91) == 'xci'
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assert format_int_roman(100) == 'c'
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