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mwparserfromhell
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A Python parser for MediaWiki wikicode https://mwparserfromhell.readthedocs.io/
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mwparserfromhell/tests/test_template.py

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  1. # -*- coding: utf-8  -*-

  2. #

  3. # Copyright (C) 2012-2016 Ben Kurtovic <ben.kurtovic@gmail.com>

  4. #

  5. # Permission is hereby granted, free of charge, to any person obtaining a copy

  6. # of this software and associated documentation files (the "Software"), to deal

  7. # in the Software without restriction, including without limitation the rights

  8. # to use, copy, modify, merge, publish, distribute, sublicense, and/or sell

  9. # copies of the Software, and to permit persons to whom the Software is

  10. # furnished to do so, subject to the following conditions:

  11. #

  12. # The above copyright notice and this permission notice shall be included in

  13. # all copies or substantial portions of the Software.

  14. #

  15. # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR

  16. # IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

  17. # FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

  18. # AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

  19. # LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,

  20. # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE

  21. # SOFTWARE.

  22. 

  23. from __future__ import unicode_literals

  24. 

  25. try:

  26.     import unittest2 as unittest

  27. except ImportError:

  28.     import unittest

  29. 

  30. from mwparserfromhell.compat import str

  31. from mwparserfromhell.nodes import HTMLEntity, Template, Text

  32. from mwparserfromhell.nodes.extras import Parameter

  33. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  34. 

  35. pgens = lambda k, v: Parameter(wraptext(k), wraptext(v), showkey=True)

  36. pgenh = lambda k, v: Parameter(wraptext(k), wraptext(v), showkey=False)

  37. 

  38. class TestTemplate(TreeEqualityTestCase):

  39.     """Test cases for the Template node."""

  40. 

  41.     def test_unicode(self):

  42.         """test Template.__unicode__()"""

  43.         node = Template(wraptext("foobar"))

  44.         self.assertEqual("{{foobar}}", str(node))

  45.         node2 = Template(wraptext("foo"),

  46.                          [pgenh("1", "bar"), pgens("abc", "def")])

  47.         self.assertEqual("{{foo|bar|abc=def}}", str(node2))

  48. 

  49.     def test_children(self):

  50.         """test Template.__children__()"""

  51.         node2p1 = Parameter(wraptext("1"), wraptext("bar"), showkey=False)

  52.         node2p2 = Parameter(wraptext("abc"), wrap([Text("def"), Text("ghi")]),

  53.                             showkey=True)

  54.         node1 = Template(wraptext("foobar"))

  55.         node2 = Template(wraptext("foo"), [node2p1, node2p2])

  56. 

  57.         gen1 = node1.__children__()

  58.         gen2 = node2.__children__()

  59.         self.assertEqual(node1.name, next(gen1))

  60.         self.assertEqual(node2.name, next(gen2))

  61.         self.assertEqual(node2.params[0].value, next(gen2))

  62.         self.assertEqual(node2.params[1].name, next(gen2))

  63.         self.assertEqual(node2.params[1].value, next(gen2))

  64.         self.assertRaises(StopIteration, next, gen1)

  65.         self.assertRaises(StopIteration, next, gen2)

  66. 

  67.     def test_strip(self):

  68.         """test Template.__strip__()"""

  69.         node1 = Template(wraptext("foobar"))

  70.         node2 = Template(wraptext("foo"),

  71.                          [pgenh("1", "bar"), pgens("abc", "def")])

  72.         for a in (True, False):

  73.             for b in (True, False):

  74.                 self.assertEqual(None, node1.__strip__(a, b))

  75.                 self.assertEqual(None, node2.__strip__(a, b))

  76. 

  77.     def test_showtree(self):

  78.         """test Template.__showtree__()"""

  79.         output = []

  80.         getter, marker = object(), object()

  81.         get = lambda code: output.append((getter, code))

  82.         mark = lambda: output.append(marker)

  83.         node1 = Template(wraptext("foobar"))

  84.         node2 = Template(wraptext("foo"),

  85.                          [pgenh("1", "bar"), pgens("abc", "def")])

  86.         node1.__showtree__(output.append, get, mark)

  87.         node2.__showtree__(output.append, get, mark)

  88.         valid = [

  89.             "{{", (getter, node1.name), "}}", "{{", (getter, node2.name),

  90.             "    | ", marker, (getter, node2.params[0].name), "    = ", marker,

  91.             (getter, node2.params[0].value), "    | ", marker,

  92.             (getter, node2.params[1].name), "    = ", marker,

  93.             (getter, node2.params[1].value), "}}"]

  94.         self.assertEqual(valid, output)

  95. 

  96.     def test_name(self):

  97.         """test getter/setter for the name attribute"""

  98.         name = wraptext("foobar")

  99.         node1 = Template(name)

  100.         node2 = Template(name, [pgenh("1", "bar")])

  101.         self.assertIs(name, node1.name)

  102.         self.assertIs(name, node2.name)

  103.         node1.name = "asdf"

  104.         node2.name = "téstïng"

  105.         self.assertWikicodeEqual(wraptext("asdf"), node1.name)

  106.         self.assertWikicodeEqual(wraptext("téstïng"), node2.name)

  107. 

  108.     def test_params(self):

  109.         """test getter for the params attribute"""

  110.         node1 = Template(wraptext("foobar"))

  111.         plist = [pgenh("1", "bar"), pgens("abc", "def")]

  112.         node2 = Template(wraptext("foo"), plist)

  113.         self.assertEqual([], node1.params)

  114.         self.assertIs(plist, node2.params)

  115. 

  116.     def test_has(self):

  117.         """test Template.has()"""

  118.         node1 = Template(wraptext("foobar"))

  119.         node2 = Template(wraptext("foo"),

  120.                          [pgenh("1", "bar"), pgens("\nabc ", "def")])

  121.         node3 = Template(wraptext("foo"),

  122.                          [pgenh("1", "a"), pgens("b", "c"), pgens("1", "d")])

  123.         node4 = Template(wraptext("foo"), [pgenh("1", "a"), pgens("b", " ")])

  124.         self.assertFalse(node1.has("foobar", False))

  125.         self.assertTrue(node2.has(1, False))

  126.         self.assertTrue(node2.has("abc", False))

  127.         self.assertFalse(node2.has("def", False))

  128.         self.assertTrue(node3.has("1", False))

  129.         self.assertTrue(node3.has(" b ", False))

  130.         self.assertTrue(node4.has("b", False))

  131.         self.assertTrue(node3.has("b", True))

  132.         self.assertFalse(node4.has("b", True))

  133.         self.assertFalse(node1.has_param("foobar", False))

  134.         self.assertTrue(node2.has_param(1, False))

  135. 

  136.     def test_get(self):

  137.         """test Template.get()"""

  138.         node1 = Template(wraptext("foobar"))

  139.         node2p1 = pgenh("1", "bar")

  140.         node2p2 = pgens("abc", "def")

  141.         node2 = Template(wraptext("foo"), [node2p1, node2p2])

  142.         node3p1 = pgens("b", "c")

  143.         node3p2 = pgens("1", "d")

  144.         node3 = Template(wraptext("foo"), [pgenh("1", "a"), node3p1, node3p2])

  145.         node4p1 = pgens(" b", " ")

  146.         node4 = Template(wraptext("foo"), [pgenh("1", "a"), node4p1])

  147.         self.assertRaises(ValueError, node1.get, "foobar")

  148.         self.assertIs(node2p1, node2.get(1))

  149.         self.assertIs(node2p2, node2.get("abc"))

  150.         self.assertRaises(ValueError, node2.get, "def")

  151.         self.assertIs(node3p1, node3.get("b"))

  152.         self.assertIs(node3p2, node3.get("1"))

  153.         self.assertIs(node4p1, node4.get("b "))

  154. 

  155.     def test_add(self):

  156.         """test Template.add()"""

  157.         node1 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  158.         node2 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  159.         node3 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  160.         node4 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  161.         node5 = Template(wraptext("a"), [pgens("b", "c"),

  162.                                          pgens("    d ", "e")])

  163.         node6 = Template(wraptext("a"), [pgens("b", "c"), pgens("b", "d"),

  164.                                          pgens("b", "e")])

  165.         node7 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  166.         node8p = pgenh("1", "d")

  167.         node8 = Template(wraptext("a"), [pgens("b", "c"), node8p])

  168.         node9 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "d")])

  169.         node10 = Template(wraptext("a"), [pgens("b", "c"), pgenh("1", "e")])

  170.         node11 = Template(wraptext("a"), [pgens("b", "c")])

  171.         node12 = Template(wraptext("a"), [pgens("b", "c")])

  172.         node13 = Template(wraptext("a"), [

  173.             pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])

  174.         node14 = Template(wraptext("a\n"), [

  175.             pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),

  176.             pgens("h ", " i\n")])

  177.         node15 = Template(wraptext("a"), [

  178.             pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])

  179.         node16 = Template(wraptext("a"), [

  180.             pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])

  181.         node17 = Template(wraptext("a"), [pgenh("1", "b")])

  182.         node18 = Template(wraptext("a"), [pgenh("1", "b")])

  183.         node19 = Template(wraptext("a"), [pgenh("1", "b")])

  184.         node20 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),

  185.                                           pgenh("3", "d"), pgenh("4", "e")])

  186.         node21 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),

  187.                                           pgens("4", "d"), pgens("5", "e")])

  188.         node22 = Template(wraptext("a"), [pgenh("1", "b"), pgenh("2", "c"),

  189.                                           pgens("4", "d"), pgens("5", "e")])

  190.         node23 = Template(wraptext("a"), [pgenh("1", "b")])

  191.         node24 = Template(wraptext("a"), [pgenh("1", "b")])

  192.         node25 = Template(wraptext("a"), [pgens("b", "c")])

  193.         node26 = Template(wraptext("a"), [pgenh("1", "b")])

  194.         node27 = Template(wraptext("a"), [pgenh("1", "b")])

  195.         node28 = Template(wraptext("a"), [pgens("1", "b")])

  196.         node29 = Template(wraptext("a"), [

  197.             pgens("\nb ", " c"), pgens("\nd ", " e"), pgens("\nf ", " g")])

  198.         node30 = Template(wraptext("a\n"), [

  199.             pgens("b ", "c\n"), pgens("d ", " e"), pgens("f ", "g\n"),

  200.             pgens("h ", " i\n")])

  201.         node31 = Template(wraptext("a"), [

  202.             pgens("b  ", " c\n"), pgens("\nd  ", " e"), pgens("\nf  ", "g ")])

  203.         node32 = Template(wraptext("a"), [

  204.             pgens("\nb ", " c "), pgens("\nd ", " e "), pgens("\nf ", " g ")])

  205.         node33 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),

  206.                                           pgens("b", "f"), pgens("b", "h"),

  207.                                           pgens("i", "j")])

  208.         node34 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),

  209.                                           pgens("1", "c"), pgens("2", "d")])

  210.         node35 = Template(wraptext("a"), [pgens("1", "b"), pgens("x", "y"),

  211.                                           pgenh("1", "c"), pgenh("2", "d")])

  212.         node36 = Template(wraptext("a"), [pgens("b", "c"), pgens("d", "e"),

  213.                                           pgens("f", "g")])

  214.         node37 = Template(wraptext("a"), [pgenh("1", "")])

  215.         node38 = Template(wraptext("abc"))

  216.         node39 = Template(wraptext("a"), [pgenh("1", " b ")])

  217.         node40 = Template(wraptext("a"), [pgenh("1", " b"), pgenh("2", " c")])

  218.         node41 = Template(wraptext("a"), [pgens("1", " b"), pgens("2", " c")])

  219. 

  220.         node1.add("e", "f", showkey=True)

  221.         node2.add(2, "g", showkey=False)

  222.         node3.add("e", "foo|bar", showkey=True)

  223.         node4.add("e", "f", showkey=True, before="b")

  224.         node5.add("f", "g", showkey=True, before=" d     ")

  225.         node6.add("f", "g", showkey=True, before="b")

  226.         self.assertRaises(ValueError, node7.add, "e", "f", showkey=True,

  227.                           before="q")

  228.         node8.add("e", "f", showkey=True, before=node8p)

  229.         node9.add("e", "f", showkey=True, before=pgenh("1", "d"))

  230.         self.assertRaises(ValueError, node10.add, "e", "f", showkey=True,

  231.                           before=pgenh("1", "d"))

  232.         node11.add("d", "foo=bar", showkey=True)

  233.         node12.add("1", "foo=bar", showkey=False)

  234.         node13.add("h", "i", showkey=True)

  235.         node14.add("j", "k", showkey=True)

  236.         node15.add("h", "i", showkey=True)

  237.         node16.add("h", "i", showkey=True, preserve_spacing=False)

  238.         node17.add("2", "c")

  239.         node18.add("3", "c")

  240.         node19.add("c", "d")

  241.         node20.add("5", "f")

  242.         node21.add("3", "f")

  243.         node22.add("6", "f")

  244.         node23.add("c", "foo=bar")

  245.         node24.add("2", "foo=bar")

  246.         node25.add("b", "d")

  247.         node26.add("1", "foo=bar")

  248.         node27.add("1", "foo=bar", showkey=True)

  249.         node28.add("1", "foo=bar", showkey=False)

  250.         node29.add("d", "foo")

  251.         node30.add("f", "foo")

  252.         node31.add("f", "foo")

  253.         node32.add("d", "foo", preserve_spacing=False)

  254.         node33.add("b", "k")

  255.         node34.add("1", "e")

  256.         node35.add("1", "e")

  257.         node36.add("d", "h", before="b")

  258.         node37.add(1, "b")

  259.         node38.add("1", "foo")

  260.         self.assertRaises(ValueError, node38.add, "z", "bar", showkey=False)

  261.         node39.add("1", "c")

  262.         node40.add("3", "d")

  263.         node41.add("3", "d")

  264. 

  265.         self.assertEqual("{{a|b=c|d|e=f}}", node1)

  266.         self.assertEqual("{{a|b=c|d|g}}", node2)

  267.         self.assertEqual("{{a|b=c|d|e=foo&#124;bar}}", node3)

  268.         self.assertIsInstance(node3.params[2].value.get(1), HTMLEntity)

  269.         self.assertEqual("{{a|e=f|b=c|d}}", node4)

  270.         self.assertEqual("{{a|b=c|f=g|    d =e}}", node5)

  271.         self.assertEqual("{{a|b=c|b=d|f=g|b=e}}", node6)

  272.         self.assertEqual("{{a|b=c|d}}", node7)

  273.         self.assertEqual("{{a|b=c|e=f|d}}", node8)

  274.         self.assertEqual("{{a|b=c|e=f|d}}", node9)

  275.         self.assertEqual("{{a|b=c|e}}", node10)

  276.         self.assertEqual("{{a|b=c|d=foo=bar}}", node11)

  277.         self.assertEqual("{{a|b=c|foo&#61;bar}}", node12)

  278.         self.assertIsInstance(node12.params[1].value.get(1), HTMLEntity)

  279.         self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|\nh = i}}", node13)

  280.         self.assertEqual("{{a\n|b =c\n|d = e|f =g\n|h = i\n|j =k\n}}", node14)

  281.         self.assertEqual("{{a|b  = c\n|\nd  = e|\nf  =g |h  =i}}", node15)

  282.         self.assertEqual("{{a|\nb = c|\nd = e|\nf = g|h=i}}", node16)

  283.         self.assertEqual("{{a|b|c}}", node17)

  284.         self.assertEqual("{{a|b|3=c}}", node18)

  285.         self.assertEqual("{{a|b|c=d}}", node19)

  286.         self.assertEqual("{{a|b|c|d|e|f}}", node20)

  287.         self.assertEqual("{{a|b|c|4=d|5=e|f}}", node21)

  288.         self.assertEqual("{{a|b|c|4=d|5=e|6=f}}", node22)

  289.         self.assertEqual("{{a|b|c=foo=bar}}", node23)

  290.         self.assertEqual("{{a|b|foo&#61;bar}}", node24)

  291.         self.assertIsInstance(node24.params[1].value.get(1), HTMLEntity)

  292.         self.assertEqual("{{a|b=d}}", node25)

  293.         self.assertEqual("{{a|foo&#61;bar}}", node26)

  294.         self.assertIsInstance(node26.params[0].value.get(1), HTMLEntity)

  295.         self.assertEqual("{{a|1=foo=bar}}", node27)

  296.         self.assertEqual("{{a|foo&#61;bar}}", node28)

  297.         self.assertIsInstance(node28.params[0].value.get(1), HTMLEntity)

  298.         self.assertEqual("{{a|\nb = c|\nd = foo|\nf = g}}", node29)

  299.         self.assertEqual("{{a\n|b =c\n|d = e|f =foo\n|h = i\n}}", node30)

  300.         self.assertEqual("{{a|b  = c\n|\nd  = e|\nf  =foo }}", node31)

  301.         self.assertEqual("{{a|\nb = c |\nd =foo|\nf = g }}", node32)

  302.         self.assertEqual("{{a|b=k|d=e|i=j}}", node33)

  303.         self.assertEqual("{{a|1=e|x=y|2=d}}", node34)

  304.         self.assertEqual("{{a|x=y|e|d}}", node35)

  305.         self.assertEqual("{{a|b=c|d=h|f=g}}", node36)

  306.         self.assertEqual("{{a|b}}", node37)

  307.         self.assertEqual("{{abc|foo}}", node38)

  308.         self.assertEqual("{{a|c}}", node39)

  309.         self.assertEqual("{{a| b| c|d}}", node40)

  310.         self.assertEqual("{{a|1= b|2= c|3= d}}", node41)

  311. 

  312.     def test_remove(self):

  313.         """test Template.remove()"""

  314.         node1 = Template(wraptext("foobar"))

  315.         node2 = Template(wraptext("foo"),

  316.             [pgenh("1", "bar"), pgens("abc", "def")])

  317.         node3 = Template(wraptext("foo"),

  318.             [pgenh("1", "bar"), pgens("abc", "def")])

  319.         node4 = Template(wraptext("foo"),

  320.             [pgenh("1", "bar"), pgenh("2", "baz")])

  321.         node5 = Template(wraptext("foo"), [

  322.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  323.         node6 = Template(wraptext("foo"), [

  324.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  325.         node7 = Template(wraptext("foo"), [

  326.             pgens("1  ", "a"), pgens("  1", "b"), pgens("2", "c")])

  327.         node8 = Template(wraptext("foo"), [

  328.             pgens("1  ", "a"), pgens("  1", "b"), pgens("2", "c")])

  329.         node9 = Template(wraptext("foo"), [

  330.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  331.         node10 = Template(wraptext("foo"), [

  332.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  333.         node11 = Template(wraptext("foo"), [

  334.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  335.         node12 = Template(wraptext("foo"), [

  336.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  337.         node13 = Template(wraptext("foo"), [

  338.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  339.         node14 = Template(wraptext("foo"), [

  340.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  341.         node15 = Template(wraptext("foo"), [

  342.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  343.         node16 = Template(wraptext("foo"), [

  344.             pgens(" a", "b"), pgens("b", "c"), pgens("a ", "d")])

  345.         node17 = Template(wraptext("foo"), [

  346.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  347.         node18 = Template(wraptext("foo"), [

  348.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  349.         node19 = Template(wraptext("foo"), [

  350.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  351.         node20 = Template(wraptext("foo"), [

  352.             pgens("1  ", "a"), pgenh("1", "b"), pgenh("2", "c")])

  353.         node21 = Template(wraptext("foo"), [

  354.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  355.             pgens("a", "b")])

  356.         node22 = Template(wraptext("foo"), [

  357.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  358.             pgens("a", "b")])

  359.         node23 = Template(wraptext("foo"), [

  360.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  361.             pgens("a", "b")])

  362.         node24 = Template(wraptext("foo"), [

  363.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  364.             pgens("a", "b")])

  365.         node25 = Template(wraptext("foo"), [

  366.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  367.             pgens("a", "b")])

  368.         node26 = Template(wraptext("foo"), [

  369.             pgens("a", "b"), pgens("c", "d"), pgens("e", "f"), pgens("a", "b"),

  370.             pgens("a", "b")])

  371.         node27 = Template(wraptext("foo"), [pgenh("1", "bar")])

  372.         node28 = Template(wraptext("foo"), [pgenh("1", "bar")])

  373. 

  374.         node2.remove("1")

  375.         node2.remove("abc")

  376.         node3.remove(1, keep_field=True)

  377.         node3.remove("abc", keep_field=True)

  378.         node4.remove("1", keep_field=False)

  379.         node5.remove("a", keep_field=False)

  380.         node6.remove("a", keep_field=True)

  381.         node7.remove(1, keep_field=True)

  382.         node8.remove(1, keep_field=False)

  383.         node9.remove(1, keep_field=True)

  384.         node10.remove(1, keep_field=False)

  385.         node11.remove(node11.params[0], keep_field=False)

  386.         node12.remove(node12.params[0], keep_field=True)

  387.         node13.remove(node13.params[1], keep_field=False)

  388.         node14.remove(node14.params[1], keep_field=True)

  389.         node15.remove(node15.params[2], keep_field=False)

  390.         node16.remove(node16.params[2], keep_field=True)

  391.         node17.remove(node17.params[0], keep_field=False)

  392.         node18.remove(node18.params[0], keep_field=True)

  393.         node19.remove(node19.params[1], keep_field=False)

  394.         node20.remove(node20.params[1], keep_field=True)

  395.         node21.remove("a", keep_field=False)

  396.         node22.remove("a", keep_field=True)

  397.         node23.remove(node23.params[0], keep_field=False)

  398.         node24.remove(node24.params[0], keep_field=True)

  399.         node25.remove(node25.params[3], keep_field=False)

  400.         node26.remove(node26.params[3], keep_field=True)

  401. 

  402.         self.assertRaises(ValueError, node1.remove, 1)

  403.         self.assertRaises(ValueError, node1.remove, "a")

  404.         self.assertRaises(ValueError, node2.remove, "1")

  405.         self.assertEqual("{{foo}}", node2)

  406.         self.assertEqual("{{foo||abc=}}", node3)

  407.         self.assertEqual("{{foo|2=baz}}", node4)

  408.         self.assertEqual("{{foo|b=c}}", node5)

  409.         self.assertEqual("{{foo| a=|b=c}}", node6)

  410.         self.assertEqual("{{foo|1  =|2=c}}", node7)

  411.         self.assertEqual("{{foo|2=c}}", node8)

  412.         self.assertEqual("{{foo||c}}", node9)

  413.         self.assertEqual("{{foo|2=c}}", node10)

  414.         self.assertEqual("{{foo|b=c|a =d}}", node11)

  415.         self.assertEqual("{{foo| a=|b=c|a =d}}", node12)

  416.         self.assertEqual("{{foo| a=b|a =d}}", node13)

  417.         self.assertEqual("{{foo| a=b|b=|a =d}}", node14)

  418.         self.assertEqual("{{foo| a=b|b=c}}", node15)

  419.         self.assertEqual("{{foo| a=b|b=c|a =}}", node16)

  420.         self.assertEqual("{{foo|b|c}}", node17)

  421.         self.assertEqual("{{foo|1  =|b|c}}", node18)

  422.         self.assertEqual("{{foo|1  =a|2=c}}", node19)

  423.         self.assertEqual("{{foo|1  =a||c}}", node20)

  424.         self.assertEqual("{{foo|c=d|e=f}}", node21)

  425.         self.assertEqual("{{foo|a=|c=d|e=f}}", node22)

  426.         self.assertEqual("{{foo|c=d|e=f|a=b|a=b}}", node23)

  427.         self.assertEqual("{{foo|a=|c=d|e=f|a=b|a=b}}", node24)

  428.         self.assertEqual("{{foo|a=b|c=d|e=f|a=b}}", node25)

  429.         self.assertEqual("{{foo|a=b|c=d|e=f|a=|a=b}}", node26)

  430.         self.assertRaises(ValueError, node27.remove, node28.get(1))

  431. 

  432. if __name__ == "__main__":

  433.     unittest.main(verbosity=2)