test/test_nodes.py

   1 #! /usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3
   4 # $Id$
   5 # Author: David Goodger <goodger@python.org>
   6 # Copyright: This module has been placed in the public domain.
   7
   8 """
   9 Test module for nodes.py.
  10 """
  11
  12 import sys
  13 import unittest
  14 import types
  15 import DocutilsTestSupport              # must be imported before docutils
  16 from DocutilsTestSupport import nodes, utils
  17 from docutils._compat import b
  18
  19 debug = False
  20
  21
  22 class TextTests(unittest.TestCase):
  23
  24     def setUp(self):
  25         self.text = nodes.Text('Line 1.\nLine 2.')
  26         self.unicode_text = nodes.Text(u'Möhren')
  27         self.longtext = nodes.Text('Mary had a little lamb whose '
  28                                    'fleece was white as snow and '
  29                                    'everwhere that Mary went the '
  30                                    'lamb was sure to go.')
  31
  32     def test_repr(self):
  33         self.assertEquals(repr(self.text), r"<#text: 'Line 1.\nLine 2.'>")
  34         self.assertEquals(self.text.shortrepr(),
  35                           r"<#text: 'Line 1.\nLine 2.'>")
  36
  37     def test_str(self):
  38         self.assertEquals(str(self.text), 'Line 1.\nLine 2.')
  39
  40     def test_unicode(self):
  41         self.assertEquals(unicode(self.unicode_text), u'Möhren')
  42         self.assertEquals(str(self.unicode_text), 'M\xf6hren')
  43
  44     def test_astext(self):
  45         self.assertEquals(self.text.astext(), 'Line 1.\nLine 2.')
  46
  47     def test_pformat(self):
  48         self.assertEquals(self.text.pformat(), 'Line 1.\nLine 2.\n')
  49
  50     def test_asciirestriction(self):
  51         if sys.version_info < (3,):
  52             self.assertRaises(UnicodeDecodeError, nodes.Text,
  53                               b('hol%s' % chr(224)))
  54         else:
  55             # no bytes at all allowed
  56             self.assertRaises(TypeError, nodes.Text, b('hol'))
  57
  58     def test_longrepr(self):
  59         self.assertEquals(repr(self.longtext), r"<#text: 'Mary had a "
  60                           r"little lamb whose fleece was white as snow "
  61                           r"and everwh ...'>")
  62         self.assertEquals(self.longtext.shortrepr(),
  63                           r"<#text: 'Mary had a lit ...'>")
  64
  65 class ElementTests(unittest.TestCase):
  66
  67     def test_empty(self):
  68         element = nodes.Element()
  69         self.assertEquals(repr(element), '<Element: >')
  70         self.assertEquals(str(element), '<Element/>')
  71         dom = element.asdom()
  72         self.assertEquals(dom.toxml(), '<Element/>')
  73         dom.unlink()
  74         element['attr'] = '1'
  75         self.assertEquals(repr(element), '<Element: >')
  76         self.assertEquals(str(element), '<Element attr="1"/>')
  77         dom = element.asdom()
  78         self.assertEquals(dom.toxml(), '<Element attr="1"/>')
  79         dom.unlink()
  80         self.assertEquals(element.pformat(), '<Element attr="1">\n')
  81         del element['attr']
  82         element['mark'] = u'\u2022'
  83         self.assertEquals(repr(element), '<Element: >')
  84         if sys.version_info < (3,):
  85             self.assertEquals(str(element), '<Element mark="\\u2022"/>')
  86         else:
  87             self.assertEquals(str(element), '<Element mark="\u2022"/>')
  88         dom = element.asdom()
  89         self.assertEquals(dom.toxml(), u'<Element mark="\u2022"/>')
  90         dom.unlink()
  91
  92     def test_withtext(self):
  93         element = nodes.Element('text\nmore', nodes.Text('text\nmore'))
  94         self.assertEquals(repr(element), r"<Element: <#text: 'text\nmore'>>")
  95         self.assertEquals(str(element), '<Element>text\nmore</Element>')
  96         dom = element.asdom()
  97         self.assertEquals(dom.toxml(), '<Element>text\nmore</Element>')
  98         dom.unlink()
  99         element['attr'] = '1'
 100         self.assertEquals(repr(element), r"<Element: <#text: 'text\nmore'>>")
 101         self.assertEquals(str(element),
 102                           '<Element attr="1">text\nmore</Element>')
 103         dom = element.asdom()
 104         self.assertEquals(dom.toxml(),
 105                           '<Element attr="1">text\nmore</Element>')
 106         dom.unlink()
 107         self.assertEquals(element.pformat(),
 108                           '<Element attr="1">\n    text\n    more\n')
 109
 110     def test_clear(self):
 111         element = nodes.Element()
 112         element += nodes.Element()
 113         self.assert_(len(element))
 114         element.clear()
 115         self.assert_(not len(element))
 116
 117     def test_normal_attributes(self):
 118         element = nodes.Element()
 119         self.assert_('foo' not in element)
 120         self.assertRaises(KeyError, element.__getitem__, 'foo')
 121         element['foo'] = 'sometext'
 122         self.assertEquals(element['foo'], 'sometext')
 123         del element['foo']
 124         self.assertRaises(KeyError, element.__getitem__, 'foo')
 125
 126     def test_default_attributes(self):
 127         element = nodes.Element()
 128         self.assertEquals(element['ids'], [])
 129         self.assertEquals(element.non_default_attributes(), {})
 130         self.assert_(not element.is_not_default('ids'))
 131         self.assert_(element['ids'] is not nodes.Element()['ids'])
 132         element['ids'].append('someid')
 133         self.assertEquals(element['ids'], ['someid'])
 134         self.assertEquals(element.non_default_attributes(),
 135                           {'ids': ['someid']})
 136         self.assert_(element.is_not_default('ids'))
 137
 138     def test_update_basic_atts(self):
 139         element1 = nodes.Element(ids=['foo', 'bar'], test=['test1'])
 140         element2 = nodes.Element(ids=['baz', 'qux'], test=['test2'])
 141         element1.update_basic_atts(element2)
 142         # 'ids' are appended because 'ids' is a basic attribute.
 143         self.assertEquals(element1['ids'], ['foo', 'bar', 'baz', 'qux'])
 144         # 'test' is not overwritten because it is not a basic attribute.
 145         self.assertEquals(element1['test'], ['test1'])
 146
 147     def test_replace_self(self):
 148         parent = nodes.Element(ids=['parent'])
 149         child1 = nodes.Element(ids=['child1'])
 150         grandchild = nodes.Element(ids=['grandchild'])
 151         child1 += grandchild
 152         child2 = nodes.Element(ids=['child2'])
 153         twins = [nodes.Element(ids=['twin%s' % i]) for i in (1, 2)]
 154         child2 += twins
 155         child3 = nodes.Element(ids=['child3'])
 156         child4 = nodes.Element(ids=['child4'])
 157         parent += [child1, child2, child3, child4]
 158         self.assertEquals(parent.pformat(), """\
 159 <Element ids="parent">
 160     <Element ids="child1">
 161         <Element ids="grandchild">
 162     <Element ids="child2">
 163         <Element ids="twin1">
 164         <Element ids="twin2">
 165     <Element ids="child3">
 166     <Element ids="child4">
 167 """)
 168         # Replace child1 with the grandchild.
 169         child1.replace_self(child1[0])
 170         self.assertEquals(parent[0], grandchild)
 171         # Assert that 'ids' have been updated.
 172         self.assertEquals(grandchild['ids'], ['grandchild', 'child1'])
 173         # Replace child2 with its children.
 174         child2.replace_self(child2[:])
 175         self.assertEquals(parent[1:3], twins)
 176         # Assert that 'ids' have been propagated to first child.
 177         self.assertEquals(twins[0]['ids'], ['twin1', 'child2'])
 178         self.assertEquals(twins[1]['ids'], ['twin2'])
 179         # Replace child3 with new child.
 180         newchild = nodes.Element(ids=['newchild'])
 181         child3.replace_self(newchild)
 182         self.assertEquals(parent[3], newchild)
 183         self.assertEquals(newchild['ids'], ['newchild', 'child3'])
 184         # Crazy but possible case: Substitute child4 for itself.
 185         child4.replace_self(child4)
 186         # Make sure the 'child4' ID hasn't been duplicated.
 187         self.assertEquals(child4['ids'], ['child4'])
 188         self.assertEquals(len(parent), 5)
 189
 190     def test_unicode(self):
 191         node = nodes.Element(u'Möhren', nodes.Text(u'Möhren', u'Möhren'))
 192         self.assertEquals(unicode(node), u'<Element>Möhren</Element>')
 193
 194
 195 class MiscTests(unittest.TestCase):
 196
 197     def test_node_class_names(self):
 198         node_class_names = []
 199         for x in dir(nodes):
 200             c = getattr(nodes, x)
 201             if isinstance(c, (type, types.ClassType)) and \
 202                    issubclass(c, nodes.Node) and len(c.__bases__) > 1:
 203                 node_class_names.append(x)
 204         node_class_names.sort()
 205         nodes.node_class_names.sort()
 206         self.assertEquals(node_class_names, nodes.node_class_names)
 207
 208     ids = [(u'a', 'a'), ('A', 'a'), ('', ''), ('a b \n c', 'a-b-c'),
 209            ('a.b.c', 'a-b-c'), (' - a - b - c - ', 'a-b-c'), (' - ', ''),
 210            (u'\u2020\u2066', ''), (u'a \xa7 b \u2020 c', 'a-b-c'),
 211            ('1', ''), ('1abc', 'abc'),
 212           ]
 213     ids_unicode_all = [
 214             (u'\u00f8 o with stroke', 'o-o-with-stroke'),
 215             (u'\u0111 d with stroke', 'd-d-with-stroke'),
 216             (u'\u0127 h with stroke', 'h-h-with-stroke'),
 217             (u'\u0131 dotless i', 'i-dotless-i'),
 218             (u'\u0142 l with stroke', 'l-l-with-stroke'),
 219             (u'\u0167 t with stroke', 't-t-with-stroke'),
 220            # From Latin Extended-B
 221             (u'\u0180 b with stroke', 'b-b-with-stroke'),
 222             (u'\u0183 b with topbar', 'b-b-with-topbar'),
 223             (u'\u0188 c with hook', 'c-c-with-hook'),
 224             (u'\u018c d with topbar', 'd-d-with-topbar'),
 225             (u'\u0192 f with hook', 'f-f-with-hook'),
 226             (u'\u0199 k with hook', 'k-k-with-hook'),
 227             (u'\u019a l with bar', 'l-l-with-bar'),
 228             (u'\u019e n with long right leg', 'n-n-with-long-right-leg'),
 229             (u'\u01a5 p with hook', 'p-p-with-hook'),
 230             (u'\u01ab t with palatal hook', 't-t-with-palatal-hook'),
 231             (u'\u01ad t with hook', 't-t-with-hook'),
 232             (u'\u01b4 y with hook', 'y-y-with-hook'),
 233             (u'\u01b6 z with stroke', 'z-z-with-stroke'),
 234             (u'\u01e5 g with stroke', 'g-g-with-stroke'),
 235             (u'\u0225 z with hook', 'z-z-with-hook'),
 236             (u'\u0234 l with curl', 'l-l-with-curl'),
 237             (u'\u0235 n with curl', 'n-n-with-curl'),
 238             (u'\u0236 t with curl', 't-t-with-curl'),
 239             (u'\u0237 dotless j', 'j-dotless-j'),
 240             (u'\u023c c with stroke', 'c-c-with-stroke'),
 241             (u'\u023f s with swash tail', 's-s-with-swash-tail'),
 242             (u'\u0240 z with swash tail', 'z-z-with-swash-tail'),
 243             (u'\u0247 e with stroke', 'e-e-with-stroke'),
 244             (u'\u0249 j with stroke', 'j-j-with-stroke'),
 245             (u'\u024b q with hook tail', 'q-q-with-hook-tail'),
 246             (u'\u024d r with stroke', 'r-r-with-stroke'),
 247             (u'\u024f y with stroke', 'y-y-with-stroke'),
 248           ]
 249     ids_unicode_not_2_2 = [
 250            # From Latin-1 Supplements
 251             (u'\u00e0: a with grave', 'a-a-with-grave'),
 252             (u'\u00e1 a with acute', 'a-a-with-acute'),
 253             (u'\u00e2 a with circumflex', 'a-a-with-circumflex'),
 254             (u'\u00e3 a with tilde', 'a-a-with-tilde'),
 255             (u'\u00e4 a with diaeresis', 'a-a-with-diaeresis'),
 256             (u'\u00e5 a with ring above', 'a-a-with-ring-above'),
 257             (u'\u00e7 c with cedilla', 'c-c-with-cedilla'),
 258             (u'\u00e8 e with grave', 'e-e-with-grave'),
 259             (u'\u00e9 e with acute', 'e-e-with-acute'),
 260             (u'\u00ea e with circumflex', 'e-e-with-circumflex'),
 261             (u'\u00eb e with diaeresis', 'e-e-with-diaeresis'),
 262             (u'\u00ec i with grave', 'i-i-with-grave'),
 263             (u'\u00ed i with acute', 'i-i-with-acute'),
 264             (u'\u00ee i with circumflex', 'i-i-with-circumflex'),
 265             (u'\u00ef i with diaeresis', 'i-i-with-diaeresis'),
 266             (u'\u00f1 n with tilde', 'n-n-with-tilde'),
 267             (u'\u00f2 o with grave', 'o-o-with-grave'),
 268             (u'\u00f3 o with acute', 'o-o-with-acute'),
 269             (u'\u00f4 o with circumflex', 'o-o-with-circumflex'),
 270             (u'\u00f5 o with tilde', 'o-o-with-tilde'),
 271             (u'\u00f6 o with diaeresis', 'o-o-with-diaeresis'),
 272             (u'\u00f9 u with grave', 'u-u-with-grave'),
 273             (u'\u00fa u with acute', 'u-u-with-acute'),
 274             (u'\u00fb u with circumflex', 'u-u-with-circumflex'),
 275             (u'\u00fc u with diaeresis', 'u-u-with-diaeresis'),
 276             (u'\u00fd y with acute', 'y-y-with-acute'),
 277             (u'\u00ff y with diaeresis', 'y-y-with-diaeresis'),
 278            # From Latin Extended-A
 279             (u'\u0101 a with macron', 'a-a-with-macron'),
 280             (u'\u0103 a with breve', 'a-a-with-breve'),
 281             (u'\u0105 a with ogonek', 'a-a-with-ogonek'),
 282             (u'\u0107 c with acute', 'c-c-with-acute'),
 283             (u'\u0109 c with circumflex', 'c-c-with-circumflex'),
 284             (u'\u010b c with dot above', 'c-c-with-dot-above'),
 285             (u'\u010d c with caron', 'c-c-with-caron'),
 286             (u'\u010f d with caron', 'd-d-with-caron'),
 287             (u'\u0113 e with macron', 'e-e-with-macron'),
 288             (u'\u0115 e with breve', 'e-e-with-breve'),
 289             (u'\u0117 e with dot above', 'e-e-with-dot-above'),
 290             (u'\u0119 e with ogonek', 'e-e-with-ogonek'),
 291             (u'\u011b e with caron', 'e-e-with-caron'),
 292             (u'\u011d g with circumflex', 'g-g-with-circumflex'),
 293             (u'\u011f g with breve', 'g-g-with-breve'),
 294             (u'\u0121 g with dot above', 'g-g-with-dot-above'),
 295             (u'\u0123 g with cedilla', 'g-g-with-cedilla'),
 296             (u'\u0125 h with circumflex', 'h-h-with-circumflex'),
 297             (u'\u0129 i with tilde', 'i-i-with-tilde'),
 298             (u'\u012b i with macron', 'i-i-with-macron'),
 299             (u'\u012d i with breve', 'i-i-with-breve'),
 300             (u'\u012f i with ogonek', 'i-i-with-ogonek'),
 301             (u'\u0133 ligature ij', 'ij-ligature-ij'),
 302             (u'\u0135 j with circumflex', 'j-j-with-circumflex'),
 303             (u'\u0137 k with cedilla', 'k-k-with-cedilla'),
 304             (u'\u013a l with acute', 'l-l-with-acute'),
 305             (u'\u013c l with cedilla', 'l-l-with-cedilla'),
 306             (u'\u013e l with caron', 'l-l-with-caron'),
 307             (u'\u0140 l with middle dot', 'l-l-with-middle-dot'),
 308             (u'\u0144 n with acute', 'n-n-with-acute'),
 309             (u'\u0146 n with cedilla', 'n-n-with-cedilla'),
 310             (u'\u0148 n with caron', 'n-n-with-caron'),
 311             (u'\u014d o with macron', 'o-o-with-macron'),
 312             (u'\u014f o with breve', 'o-o-with-breve'),
 313             (u'\u0151 o with double acute', 'o-o-with-double-acute'),
 314             (u'\u0155 r with acute', 'r-r-with-acute'),
 315             (u'\u0157 r with cedilla', 'r-r-with-cedilla'),
 316             (u'\u0159 r with caron', 'r-r-with-caron'),
 317             (u'\u015b s with acute', 's-s-with-acute'),
 318             (u'\u015d s with circumflex', 's-s-with-circumflex'),
 319             (u'\u015f s with cedilla', 's-s-with-cedilla'),
 320             (u'\u0161 s with caron', 's-s-with-caron'),
 321             (u'\u0163 t with cedilla', 't-t-with-cedilla'),
 322             (u'\u0165 t with caron', 't-t-with-caron'),
 323             (u'\u0169 u with tilde', 'u-u-with-tilde'),
 324             (u'\u016b u with macron', 'u-u-with-macron'),
 325             (u'\u016d u with breve', 'u-u-with-breve'),
 326             (u'\u016f u with ring above', 'u-u-with-ring-above'),
 327             (u'\u0171 u with double acute', 'u-u-with-double-acute'),
 328             (u'\u0173 u with ogonek', 'u-u-with-ogonek'),
 329             (u'\u0175 w with circumflex', 'w-w-with-circumflex'),
 330             (u'\u0177 y with circumflex', 'y-y-with-circumflex'),
 331             (u'\u017a z with acute', 'z-z-with-acute'),
 332             (u'\u017c z with dot above', 'z-z-with-dot-above'),
 333             (u'\u017e z with caron', 'z-z-with-caron'),
 334            # From Latin Extended-B
 335             (u'\u01a1 o with horn', 'o-o-with-horn'),
 336             (u'\u01b0 u with horn', 'u-u-with-horn'),
 337             (u'\u01c6 dz with caron', 'dz-dz-with-caron'),
 338             (u'\u01c9 lj', 'lj-lj'),
 339             (u'\u01cc nj', 'nj-nj'),
 340             (u'\u01ce a with caron', 'a-a-with-caron'),
 341             (u'\u01d0 i with caron', 'i-i-with-caron'),
 342             (u'\u01d2 o with caron', 'o-o-with-caron'),
 343             (u'\u01d4 u with caron', 'u-u-with-caron'),
 344             (u'\u01e7 g with caron', 'g-g-with-caron'),
 345             (u'\u01e9 k with caron', 'k-k-with-caron'),
 346             (u'\u01eb o with ogonek', 'o-o-with-ogonek'),
 347             (u'\u01ed o with ogonek and macron', 'o-o-with-ogonek-and-macron'),
 348             (u'\u01f0 j with caron', 'j-j-with-caron'),
 349             (u'\u01f3 dz', 'dz-dz'),
 350             (u'\u01f5 g with acute', 'g-g-with-acute'),
 351             (u'\u01f9 n with grave', 'n-n-with-grave'),
 352             (u'\u0201 a with double grave', 'a-a-with-double-grave'),
 353             (u'\u0203 a with inverted breve', 'a-a-with-inverted-breve'),
 354             (u'\u0205 e with double grave', 'e-e-with-double-grave'),
 355             (u'\u0207 e with inverted breve', 'e-e-with-inverted-breve'),
 356             (u'\u0209 i with double grave', 'i-i-with-double-grave'),
 357             (u'\u020b i with inverted breve', 'i-i-with-inverted-breve'),
 358             (u'\u020d o with double grave', 'o-o-with-double-grave'),
 359             (u'\u020f o with inverted breve', 'o-o-with-inverted-breve'),
 360             (u'\u0211 r with double grave', 'r-r-with-double-grave'),
 361             (u'\u0213 r with inverted breve', 'r-r-with-inverted-breve'),
 362             (u'\u0215 u with double grave', 'u-u-with-double-grave'),
 363             (u'\u0217 u with inverted breve', 'u-u-with-inverted-breve'),
 364             (u'\u0219 s with comma below', 's-s-with-comma-below'),
 365             (u'\u021b t with comma below', 't-t-with-comma-below'),
 366             (u'\u021f h with caron', 'h-h-with-caron'),
 367             (u'\u0227 a with dot above', 'a-a-with-dot-above'),
 368             (u'\u0229 e with cedilla', 'e-e-with-cedilla'),
 369             (u'\u022f o with dot above', 'o-o-with-dot-above'),
 370             (u'\u0233 y with macron', 'y-y-with-macron'),
 371            # digraphs From Latin-1 Supplements
 372             (u'\u00df: ligature sz', 'sz-ligature-sz'),
 373             (u'\u00e6 ae', 'ae-ae'),
 374             (u'\u0153 ligature oe', 'oe-ligature-oe'),
 375             (u'\u0238 db digraph', 'db-db-digraph'),
 376             (u'\u0239 qp digraph', 'qp-qp-digraph'),
 377             ]
 378
 379     def test_make_id(self):
 380         failures = []
 381         tests = self.ids + self.ids_unicode_all
 382         import sys
 383         if sys.version_info[:2] != (2, 2):
 384             tests += self.ids_unicode_not_2_2
 385         for input, expect in tests:
 386             output = nodes.make_id(input)
 387             if expect != output:
 388                 failures.append("'%s' != '%s'" % (expect, output))
 389         if failures:
 390             self.fail("%d failures in %d\n%s" % (len(failures), len(self.ids), "\n".join(failures)))
 391
 392     def test_traverse(self):
 393         e = nodes.Element()
 394         e += nodes.Element()
 395         e[0] += nodes.Element()
 396         e[0] += nodes.TextElement()
 397         e[0][1] += nodes.Text('some text')
 398         e += nodes.Element()
 399         e += nodes.Element()
 400         self.assertEquals(list(e.traverse()),
 401                           [e, e[0], e[0][0], e[0][1], e[0][1][0], e[1], e[2]])
 402         self.assertEquals(list(e.traverse(include_self=False)),
 403                           [e[0], e[0][0], e[0][1], e[0][1][0], e[1], e[2]])
 404         self.assertEquals(list(e.traverse(descend=False)),
 405                           [e])
 406         self.assertEquals(list(e[0].traverse(descend=False, ascend=True)),
 407                           [e[0], e[1], e[2]])
 408         self.assertEquals(list(e[0][0].traverse(descend=False, ascend=True)),
 409                           [e[0][0], e[0][1], e[1], e[2]])
 410         self.assertEquals(list(e[0][0].traverse(descend=False, siblings=True)),
 411                           [e[0][0], e[0][1]])
 412         self.testlist = e[0:2]
 413         self.assertEquals(list(e.traverse(condition=self.not_in_testlist)),
 414                           [e, e[0][0], e[0][1], e[0][1][0], e[2]])
 415         # Return siblings despite siblings=False because ascend is true.
 416         self.assertEquals(list(e[1].traverse(ascend=True, siblings=False)),
 417                           [e[1], e[2]])
 418         self.assertEquals(list(e[0].traverse()),
 419                           [e[0], e[0][0], e[0][1], e[0][1][0]])
 420         self.testlist = [e[0][0], e[0][1]]
 421         self.assertEquals(list(e[0].traverse(condition=self.not_in_testlist)),
 422                                [e[0], e[0][1][0]])
 423         self.testlist.append(e[0][1][0])
 424         self.assertEquals(list(e[0].traverse(condition=self.not_in_testlist)),
 425                                [e[0]])
 426         self.assertEquals(list(e.traverse(nodes.TextElement)), [e[0][1]])
 427
 428     def test_next_node(self):
 429         e = nodes.Element()
 430         e += nodes.Element()
 431         e[0] += nodes.Element()
 432         e[0] += nodes.TextElement()
 433         e[0][1] += nodes.Text('some text')
 434         e += nodes.Element()
 435         e += nodes.Element()
 436         self.testlist = [e[0], e[0][1], e[1]]
 437         compare = [(e, e[0][0]),
 438                    (e[0], e[0][0]),
 439                    (e[0][0], e[0][1][0]),
 440                    (e[0][1], e[0][1][0]),
 441                    (e[0][1][0], e[2]),
 442                    (e[1], e[2]),
 443                    (e[2], None)]
 444         for node, next_node in compare:
 445             self.assertEquals(node.next_node(self.not_in_testlist, ascend=True),
 446                               next_node)
 447         self.assertEquals(e[0][0].next_node(ascend=True), e[0][1])
 448         self.assertEquals(e[2].next_node(), None)
 449
 450     def not_in_testlist(self, x):
 451         return x not in self.testlist
 452
 453     def test_copy(self):
 454         grandchild = nodes.Text('rawsource')
 455         child = nodes.emphasis('rawsource', grandchild, att='child')
 456         e = nodes.Element('rawsource', child, att='e')
 457         # Shallow copy:
 458         e_copy = e.copy()
 459         self.assert_(e is not e_copy)
 460         # Internal attributes (like `rawsource`) are also copied.
 461         self.assertEquals(e.rawsource, 'rawsource')
 462         self.assertEquals(e_copy.rawsource, e.rawsource)
 463         self.assertEquals(e_copy['att'], 'e')
 464         # Children are not copied.
 465         self.assertEquals(len(e_copy), 0)
 466         # Deep copy:
 467         e_deepcopy = e.deepcopy()
 468         self.assertEquals(e_deepcopy.rawsource, e.rawsource)
 469         self.assertEquals(e_deepcopy['att'], 'e')
 470         # Children are copied recursively.
 471         self.assertEquals(e_deepcopy[0][0], grandchild)
 472         self.assert_(e_deepcopy[0][0] is not grandchild)
 473         self.assertEquals(e_deepcopy[0]['att'], 'child')
 474
 475
 476 class TreeCopyVisitorTests(unittest.TestCase):
 477
 478     def setUp(self):
 479         document = utils.new_document('test data')
 480         document += nodes.paragraph('', 'Paragraph 1.')
 481         blist = nodes.bullet_list()
 482         for i in range(1, 6):
 483             item = nodes.list_item()
 484             for j in range(1, 4):
 485                 item += nodes.paragraph('', 'Item %s, paragraph %s.' % (i, j))
 486             blist += item
 487         document += blist
 488         self.document = document
 489
 490     def compare_trees(self, one, two):
 491         self.assertEquals(one.__class__, two.__class__)
 492         self.assertNotEquals(id(one), id(two))
 493         self.assertEquals(len(one.children), len(two.children))
 494         for i in range(len(one.children)):
 495             self.compare_trees(one.children[i], two.children[i])
 496
 497     def test_copy_whole(self):
 498         visitor = nodes.TreeCopyVisitor(self.document)
 499         self.document.walkabout(visitor)
 500         newtree = visitor.get_tree_copy()
 501         self.assertEquals(self.document.pformat(), newtree.pformat())
 502         self.compare_trees(self.document, newtree)
 503
 504
 505 class MiscFunctionTests(unittest.TestCase):
 506
 507     names = [('a', 'a'), ('A', 'a'), ('A a A', 'a a a'),
 508              ('A  a  A  a', 'a a a a'),
 509              ('  AaA\n\r\naAa\tAaA\t\t', 'aaa aaa aaa')]
 510
 511     def test_normalize_name(self):
 512         for input, output in self.names:
 513             normed = nodes.fully_normalize_name(input)
 514             self.assertEquals(normed, output)
 515
 516     def test_set_id_default(self):
 517         # Default prefixes.
 518         document = utils.new_document('test')
 519         # From name.
 520         element = nodes.Element(names=['test'])
 521         document.set_id(element)
 522         self.assertEquals(element['ids'], ['test'])
 523         # Auto-generated.
 524         element = nodes.Element()
 525         document.set_id(element)
 526         self.assertEquals(element['ids'], ['id1'])
 527
 528     def test_set_id_custom(self):
 529         # Custom prefixes.
 530         document = utils.new_document('test')
 531         # Change settings.
 532         document.settings.id_prefix = 'prefix'
 533         document.settings.auto_id_prefix = 'auto'
 534         # From name.
 535         element = nodes.Element(names=['test'])
 536         document.set_id(element)
 537         self.assertEquals(element['ids'], ['prefixtest'])
 538         # Auto-generated.
 539         element = nodes.Element()
 540         document.set_id(element)
 541         self.assertEquals(element['ids'], ['prefixauto1'])
 542
 543
 544 if __name__ == '__main__':
 545     unittest.main()