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Viewing changes to vendor/Twisted-10.0.0/twisted/lore/test/test_slides.py

  • Committer: Jesse Andrews
  • Date: 2010-05-28 06:05:26 UTC
  • Revision ID: git-v1:bf6e6e718cdc7488e2da87b21e258ccc065fe499
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vendor/Twisted-10.0.0/twisted/lore/test/test_slides.py
 
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# Copyright (c) 2009 Twisted Matrix Laboratories.
 
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# See LICENSE for details.
 
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"""
 
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Tests for L{twisted.lore.slides}.
 
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"""
 
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from xml.dom.minidom import Element, Text
 
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from twisted.trial.unittest import TestCase
 
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from twisted.lore.slides import HTMLSlide, splitIntoSlides, insertPrevNextLinks
 
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class SlidesTests(TestCase):
 
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    """
 
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    Tests for functions in L{twisted.lore.slides}.
 
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    """
 
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    def test_splitIntoSlides(self):
 
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        """
 
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        L{splitIntoSlides} accepts a document and returns a list of two-tuples,
 
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        each element of which contains the title of a slide taken from an I{h2}
 
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        element and the body of that slide.
 
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        """
 
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        parent = Element('html')
 
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        body = Element('body')
 
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        parent.appendChild(body)
 
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        first = Element('h2')
 
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        text = Text()
 
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        text.data = 'first slide'
 
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        first.appendChild(text)
 
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        body.appendChild(first)
 
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        body.appendChild(Element('div'))
 
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        body.appendChild(Element('span'))
 
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        second = Element('h2')
 
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        text = Text()
 
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        text.data = 'second slide'
 
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        second.appendChild(text)
 
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        body.appendChild(second)
 
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        body.appendChild(Element('p'))
 
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        body.appendChild(Element('br'))
 
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        slides = splitIntoSlides(parent)
 
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        self.assertEqual(slides[0][0], 'first slide')
 
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        firstContent = slides[0][1]
 
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        self.assertEqual(firstContent[0].tagName, 'div')
 
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        self.assertEqual(firstContent[1].tagName, 'span')
 
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        self.assertEqual(len(firstContent), 2)
 
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        self.assertEqual(slides[1][0], 'second slide')
 
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        secondContent = slides[1][1]
 
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        self.assertEqual(secondContent[0].tagName, 'p')
 
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        self.assertEqual(secondContent[1].tagName, 'br')
 
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        self.assertEqual(len(secondContent), 2)
 
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        self.assertEqual(len(slides), 2)
 
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    def test_insertPrevNextText(self):
 
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        """
 
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        L{insertPrevNextLinks} appends a text node with the title of the
 
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        previous slide to each node with a I{previous} class and the title of
 
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        the next slide to each node with a I{next} class.
 
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        """
 
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        next = Element('span')
 
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        next.setAttribute('class', 'next')
 
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        container = Element('div')
 
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        container.appendChild(next)
 
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        slideWithNext = HTMLSlide(container, 'first', 0)
 
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        previous = Element('span')
 
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        previous.setAttribute('class', 'previous')
 
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        container = Element('div')
 
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        container.appendChild(previous)
 
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        slideWithPrevious = HTMLSlide(container, 'second', 1)
 
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        insertPrevNextLinks(
 
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            [slideWithNext, slideWithPrevious], None, None)
 
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        self.assertEqual(
 
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            next.toxml(), '<span class="next">second</span>')
 
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        self.assertEqual(
 
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            previous.toxml(), '<span class="previous">first</span>')