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"""Test the textwrap module"""
import pytest
from cola import textwrap
class WordWrapDefaults:
def __init__(self):
self.tabwidth = 8
self.limit = None
def wrap(self, text, break_on_hyphens=True):
return textwrap.word_wrap(
text, self.tabwidth, self.limit, break_on_hyphens=break_on_hyphens
)
@pytest.fixture
def wordwrap():
"""Provide default word wrap options for tests"""
return WordWrapDefaults()
def test_word_wrap(wordwrap):
wordwrap.limit = 16
text = """
12345678901 3 56 8 01 3 5 7
1 3 5"""
expect = """
12345678901 3 56
8 01 3 5 7
1 3 5"""
assert expect == wordwrap.wrap(text)
def test_word_wrap_dashes(wordwrap):
wordwrap.limit = 4
text = '123-5'
expect = '123-5'
assert expect == wordwrap.wrap(text)
def test_word_wrap_leading_spaces(wordwrap):
wordwrap.limit = 4
expect = '1234\n5'
assert expect == wordwrap.wrap('1234 5')
assert expect == wordwrap.wrap('1234 5')
assert expect == wordwrap.wrap('1234 5')
assert expect == wordwrap.wrap('1234 5')
assert expect == wordwrap.wrap('1234 5')
expect = '123\n4'
assert expect == wordwrap.wrap('123 4')
assert expect == wordwrap.wrap('123 4')
assert expect == wordwrap.wrap('123 4')
assert expect == wordwrap.wrap('123 4')
assert expect == wordwrap.wrap('123 4')
def test_word_wrap_double_dashes(wordwrap):
wordwrap.limit = 4
text = '12--5'
expect = '12--\n5'
actual = wordwrap.wrap(text, break_on_hyphens=True)
assert expect == actual
expect = '12--5'
actual = wordwrap.wrap(text, break_on_hyphens=False)
assert expect == actual
def test_word_wrap_many_lines(wordwrap):
wordwrap.limit = 2
text = """
aa
bb cc dd"""
expect = """
aa
bb
cc
dd"""
actual = wordwrap.wrap(text)
assert expect == actual
def test_word_python_code(wordwrap):
wordwrap.limit = 78
text = """
if True:
print "hello world"
else:
print "hello world"
"""
expect = text
actual = wordwrap.wrap(text)
assert expect == actual
def test_word_wrap_spaces(wordwrap):
wordwrap.limit = 2
text = ' ' * 6
expect = ''
actual = wordwrap.wrap(text)
assert expect == actual
def test_word_wrap_special_tag(wordwrap):
wordwrap.limit = 2
text = """
This test is so meta, even this sentence
Cheered-on-by: Avoids word-wrap
C.f. This also avoids word-wrap
References: This also avoids word-wrap
See-also: This also avoids word-wrap
Related-to: This also avoids word-wrap
Link: This also avoids word-wrap
"""
expect = """
This
test
is
so
meta,
even
this
sentence
Cheered-on-by: Avoids word-wrap
C.f. This also avoids word-wrap
References: This also avoids word-wrap
See-also: This also avoids word-wrap
Related-to: This also avoids word-wrap
Link: This also avoids word-wrap
"""
actual = wordwrap.wrap(text)
assert expect == actual
def test_word_wrap_space_at_start_of_wrap(wordwrap):
inputs = """0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 """
expect = """0 1 2 3 4 5 6 7 8 9\n0 1 2 3 4 5 6 7 8"""
wordwrap.limit = 20
actual = wordwrap.wrap(inputs)
assert expect == actual
def test_word_wrap_keeps_tabs_at_start(wordwrap):
inputs = """\tfirst line\n\n\tsecond line"""
expect = """\tfirst line\n\n\tsecond line"""
wordwrap.limit = 20
actual = wordwrap.wrap(inputs)
assert expect == actual
def test_word_wrap_keeps_twospace_indents(wordwrap):
inputs = """first line\n\n* branch:\n line1\n line2\n"""
expect = """first line\n\n* branch:\n line1\n line2\n"""
wordwrap.limit = 20
actual = wordwrap.wrap(inputs)
assert expect == actual
def test_word_wrap_ranges():
text = 'a bb ccc dddd\neeeee'
expect = 'a\nbb\nccc\ndddd\neeeee'
actual = textwrap.word_wrap(text, 8, 2)
assert expect == actual
expect = 'a bb\nccc\ndddd\neeeee'
actual = textwrap.word_wrap(text, 8, 4)
assert expect == actual
text = 'a bb ccc dddd\n\teeeee'
expect = 'a bb\nccc\ndddd\n\t\neeeee'
actual = textwrap.word_wrap(text, 8, 4)
assert expect == actual
def test_triplets():
text = 'xx0 xx1 xx2 xx3 xx4 xx5 xx6 xx7 xx8 xx9 xxa xxb'
expect = 'xx0 xx1 xx2 xx3 xx4 xx5 xx6\nxx7 xx8 xx9 xxa xxb'
actual = textwrap.word_wrap(text, 8, 27)
assert expect == actual
expect = 'xx0 xx1 xx2 xx3 xx4 xx5\nxx6 xx7 xx8 xx9 xxa xxb'
actual = textwrap.word_wrap(text, 8, 26)
assert expect == actual
actual = textwrap.word_wrap(text, 8, 25)
assert expect == actual
actual = textwrap.word_wrap(text, 8, 24)
assert expect == actual
actual = textwrap.word_wrap(text, 8, 23)
assert expect == actual
expect = 'xx0 xx1 xx2 xx3 xx4\nxx5 xx6 xx7 xx8 xx9\nxxa xxb'
actual = textwrap.word_wrap(text, 8, 22)
assert expect == actual
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