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# Copyright (c) 2011 Martin Vilcans
# Licensed under the MIT license:
# http://www.opensource.org/licenses/mit-license.php
from testcompat import TestCase
from screenplain.richstring import (
RichString, Segment,
Bold, Italic,
plain, bold, italic, underline,
empty_string
)
from screenplain.richstring import parse_emphasis
from screenplain.types import Slug, Action, Dialog, DualDialog, Transition
class LowLevelRichStringTests(TestCase):
def test_plain_string_has_one_single_segment(self):
s = plain('hello')
self.assertEqual(1, len(s.segments))
self.assertEqual('hello', s.segments[0].text)
self.assertEqual(set(), s.segments[0].styles)
class RichStringOperatorTests(TestCase):
def test_repr(self):
s = bold('Hello') + plain(' there ') + bold('folks')
self.assertEquals(
"(bold)('Hello') + (plain)(' there ') + (bold)('folks')",
repr(s)
)
def test_repr_on_empty_string(self):
self.assertEquals('empty_string', repr(empty_string))
def test_unicode(self):
s = bold('Hello') + plain(' there ') + bold('folks')
self.assertEquals(
u'Hello there folks',
unicode(s)
)
def test_eq(self):
self.assertEquals(bold('Hello'), bold('Hello'))
self.assertNotEquals(bold('Hello'), bold('Foo'))
self.assertNotEquals(plain('Hello'), bold('Hello'))
def test_ne(self):
self.assertFalse(bold('Hello') != bold('Hello'))
def test_concatenating_two_richstrings(self):
expected = RichString(Segment('hello', ()), Segment(' there', (Bold,)))
s1 = plain('hello')
s2 = bold(' there')
result = s1 + s2
self.assertEquals(expected, result)
class StyleGeneratorTests(TestCase):
def test_bold_function_creates_bold_richstring(self):
self.assertEquals(
RichString(Segment('a', (Bold,))),
bold('a')
)
def test_adding_functions(self):
self.assertEquals(
RichString(Segment('a', (Bold, Italic))),
(bold + italic)('a')
)
class RichStringTests(TestCase):
def test_plain_to_html(self):
self.assertEquals('hello', plain('hello').to_html())
def test_to_html(self):
s = (
bold('bold') + plain(' normal ') +
italic('italic') + underline('wonderline')
)
self.assertEquals(
'<strong>bold</strong> normal <em>italic</em><u>wonderline</u>',
s.to_html()
)
class ParseEmphasisTests(TestCase):
def test_parse_without_emphasis(self):
self.assertEquals(
plain('Hello'), parse_emphasis('Hello'),
'Expected parse_emphasis to return a plain string')
def test_parse_bold(self):
self.assertEquals(
parse_emphasis('**Hello**'),
bold('Hello')
)
def test_parse_pre_and_postfix_and_bold(self):
self.assertEquals(
parse_emphasis('pre**Hello**post'),
plain('pre') + bold('Hello') + plain('post')
)
def test_parse_multiple_bold(self):
self.assertEquals(
parse_emphasis('x**Hello** **there**'),
plain('x') + bold('Hello') + plain(' ') + bold('there')
)
def test_parse_adjacent_bold(self):
self.assertEquals(
parse_emphasis('**123**456**'),
bold('123') + plain('456**')
)
def test_italic(self):
self.assertEquals(
parse_emphasis('*Italian style*'),
italic('Italian style')
)
def test_bold_inside_italic(self):
self.assertEquals(
parse_emphasis('*Swedish **style** rules*'),
italic('Swedish ') + (bold + italic)('style') + italic(' rules')
)
def test_italic_inside_bold(self):
self.assertEquals(
parse_emphasis('**Swedish *style* rules**'),
bold('Swedish ') + (bold + italic)('style') + bold(' rules')
)
def test_italic_and_bold(self):
self.assertEquals(
parse_emphasis('***really strong***'),
(bold + italic)('really strong')
)
def test_additional_star(self):
self.assertEquals(
parse_emphasis('*foo* bar* baz'),
italic('foo') + plain(' bar* baz')
)
def test_underline(self):
self.assertEquals(
parse_emphasis('_hello_'),
underline('hello')
)
def test_bold_inside_underline(self):
self.assertEquals(
parse_emphasis('_**hello**_'),
(bold + underline)('hello')
)
def test_overlapping_underscore_and_italic(self):
# It's unclear what result to expect in this case.
# This is one way of interpreting it
self.assertEquals(
parse_emphasis('_*he_llo*'),
(italic + underline)('he') + italic('llo')
)
def test_complicated(self):
# As reported by Stu
self.assertEquals(
parse_emphasis(
'You can _underline_ words, make them **bold** or *italic* '
'or even ***bold italic.***'
), (
plain('You can ') + underline('underline') +
plain(' words, make them ') + bold('bold') + plain(' or ') +
italic('italic') + plain(' or even ') +
(bold + italic)('bold italic.')
)
)
def test_simplified_complicated(self):
self.assertEquals(
parse_emphasis('*italic* or even ***bold italic.***'),
italic('italic') + plain(' or even ') +
(bold + italic)('bold italic.')
)
def test_two_italic_should_not_create_one_long_italic_string(self):
self.assertEquals(
parse_emphasis('*first* *second*'),
italic('first') + plain(' ') + italic('second')
)
def test_two_bold_should_not_create_one_long_bold_string(self):
self.assertEquals(
parse_emphasis('**first** **second**'),
bold('first') + plain(' ') + bold('second')
)
def test_escaping_star_creates_a_literal_star(self):
self.assertEquals(
parse_emphasis(r'\*hello*'),
plain('*hello*')
)
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