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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. #

  2. # Copyright (C) 2012-2020 Ben Kurtovic <ben.kurtovic@gmail.com>

  3. #

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

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

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

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

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

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

  10. #

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

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

  13. #

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

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

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

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

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

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

  20. # SOFTWARE.

  21. 

  22. from difflib import unified_diff

  23. import unittest

  24. 

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

  26. from mwparserfromhell.nodes.extras import Parameter

  27. from mwparserfromhell import parse

  28. 

  29. from ._test_tree_equality import TreeEqualityTestCase, wrap, wraptext

  30. 

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

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

  33. 

  34. class TestTemplate(TreeEqualityTestCase):

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

  36. 

  37.     def test_str(self):

  38.         """test Template.__str__()"""

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

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

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

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

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

  44. 

  45.     def test_children(self):

  46.         """test Template.__children__()"""

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

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

  49.                             showkey=True)

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

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

  52. 

  53.         gen1 = node1.__children__()

  54.         gen2 = node2.__children__()

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

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

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

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

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

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

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

  62. 

  63.     def test_strip(self):

  64.         """test Template.__strip__()"""

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

  66.         node2 = Template(wraptext("foo"), [

  67.             pgenh("1", "bar"), pgens("foo", ""), pgens("abc", "def")])

  68.         node3 = Template(wraptext("foo"), [

  69.             pgenh("1", "foo"),

  70.             Parameter(wraptext("2"), wrap([Template(wraptext("hello"))]),

  71.                       showkey=False),

  72.             pgenh("3", "bar")])

  73. 

  74.         self.assertEqual(None, node1.__strip__(keep_template_params=False))

  75.         self.assertEqual(None, node2.__strip__(keep_template_params=False))

  76.         self.assertEqual("", node1.__strip__(keep_template_params=True))

  77.         self.assertEqual("bar def", node2.__strip__(keep_template_params=True))

  78.         self.assertEqual("foo bar", node3.__strip__(keep_template_params=True))

  79. 

  80.     def test_showtree(self):

  81.         """test Template.__showtree__()"""

  82.         output = []

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

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

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

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

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

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

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

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

  91.         valid = [

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

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

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

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

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

  97.         self.assertEqual(valid, output)

  98. 

  99.     def test_name(self):

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

  101.         name = wraptext("foobar")

  102.         node1 = Template(name)

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

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

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

  106.         node1.name = "asdf"

  107.         node2.name = "téstïng"

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

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

  110. 

  111.     def test_params(self):

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

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

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

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

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

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

  118. 

  119.     def test_has(self):

  120.         """test Template.has()"""

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  138. 

  139.     def test_get(self):

  140.         """test Template.get()"""

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  157. 

  158.     def test_add(self):

  159.         """test Template.add()"""

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  222.         node42 = Template(wraptext("a"), [pgens("b", "  \n")])

  223. 

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

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

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

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

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

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

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

  231.                           before="q")

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  268.         node42.add("b", "hello")

  269. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  316.         self.assertEqual("{{a|b=hello  \n}}", node42)

  317. 

  318.     def test_remove(self):

  319.         """test Template.remove()"""

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  379. 

  380.         node2.remove("1")

  381.         node2.remove("abc")

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  407. 

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  437. 

  438.     def test_formatting(self):

  439.         """test realistic param manipulation with complex whitespace formatting

  440.         (assumes that parsing works correctly)"""

  441.         tests = [

  442.     # https://en.wikipedia.org/w/index.php?title=Lamar_County,_Georgia&oldid=792356004

  443.     ("""{{Infobox U.S. county

  444. | county = Lamar County

  445. | state = Georgia

  446. | seal =

  447. | founded = 1920

  448. | seat wl = Barnesville

  449. | largest city wl = Barnesville

  450. | area_total_sq_mi = 186

  451. | area_land_sq_mi = 184

  452. | area_water_sq_mi = 2.3

  453. | area percentage = 1.3%

  454. | census yr = 2010

  455. | pop = 18317

  456. | density_sq_mi = 100

  457. | time zone = Eastern

  458. | footnotes =

  459. | web = www.lamarcountyga.com

  460. | ex image = Lamar County Georgia Courthouse.jpg

  461. | ex image cap = Lamar County courthouse in Barnesville

  462. | district = 3rd

  463. | named for = [[Lucius Quintus Cincinnatus Lamar II]]

  464. }}""",

  465.     """@@ -11,4 +11,4 @@

  466.  | area percentage = 1.3%

  467. -| census yr = 2010

  468. -| pop = 18317

  469. +| census estimate yr = 2016

  470. +| pop = 12345<ref>example ref</ref>

  471.  | density_sq_mi = 100"""),

  472. 

  473.     # https://en.wikipedia.org/w/index.php?title=Rockdale_County,_Georgia&oldid=792359760

  474.     ("""{{Infobox U.S. County|

  475.  county = Rockdale County |

  476.  state = Georgia |

  477.  seal =  |

  478.  founded = October 18, 1870 |

  479.  seat wl = Conyers |

  480.  largest city wl = Conyers |

  481.  area_total_sq_mi = 132 |

  482.  area_land_sq_mi = 130 |

  483.  area_water_sq_mi = 2.3 |

  484.  area percentage = 1.7% |

  485.  census yr = 2010|

  486.  pop = 85215 |

  487.  density_sq_mi = 657 |

  488.  web = www.rockdalecounty.org

  489. | ex image = Rockdale-county-courthouse.jpg

  490. | ex image cap = Rockdale County Courthouse in Conyers

  491. | district = 4th

  492. | time zone= Eastern

  493. }}""",

  494.     """@@ -11,4 +11,4 @@

  495.   area percentage = 1.7% |

  496. - census yr = 2010|

  497. - pop = 85215 |

  498. + census estimate yr = 2016 |

  499. + pop = 12345<ref>example ref</ref> |

  500.   density_sq_mi = 657 |"""),

  501. 

  502.     # https://en.wikipedia.org/w/index.php?title=Spalding_County,_Georgia&oldid=792360413

  503.     ("""{{Infobox U.S. County|

  504. | county = Spalding County |

  505. | state = Georgia |

  506. | seal =  |

  507. | founded = 1851 |

  508. | seat wl = Griffin |

  509. | largest city wl = Griffin |

  510. | area_total_sq_mi = 200 |

  511. | area_land_sq_mi = 196 |

  512. | area_water_sq_mi = 3.1 |

  513. | area percentage = 1.6% |

  514. | census yr = 2010|

  515. | pop = 64073 |

  516. | density_sq_mi = 326 |

  517. | web = www.spaldingcounty.com |

  518. | named for = [[Thomas Spalding]]

  519. | ex image = Spalding County Courthouse (NE corner).JPG

  520. | ex image cap = Spalding County Courthouse in Griffin

  521. | district = 3rd

  522. | time zone = Eastern

  523. }}""",

  524.     """@@ -11,4 +11,4 @@

  525.  | area percentage = 1.6% |

  526. -| census yr = 2010|

  527. -| pop = 64073 |

  528. +|

  529. +| census estimate yr = 2016 | pop = 12345<ref>example ref</ref> |

  530.  | density_sq_mi = 326 |"""),

  531. 

  532.     # https://en.wikipedia.org/w/index.php?title=Clinton_County,_Illinois&oldid=794694648

  533.     ("""{{Infobox U.S. county

  534.  |county  = Clinton County

  535.  |state = Illinois

  536. | ex image           = File:Clinton County Courthouse, Carlyle.jpg

  537. | ex image cap       = [[Clinton County Courthouse (Illinois)|Clinton County Courthouse]]

  538.  |seal =

  539.  |founded = 1824

  540.  |named for = [[DeWitt Clinton]]

  541.  |seat wl= Carlyle

  542. | largest city wl = Breese

  543.  |time zone=Central

  544.  |area_total_sq_mi = 503

  545.  |area_land_sq_mi = 474

  546.  |area_water_sq_mi = 29

  547.  |area percentage = 5.8%

  548.  |census yr = 2010

  549.  |pop = 37762

  550.  |density_sq_mi = 80

  551.  |web = www.clintonco.illinois.gov

  552. | district = 15th

  553. }}""",

  554.     """@@ -15,4 +15,4 @@

  555.   |area percentage = 5.8%

  556. - |census yr = 2010

  557. - |pop = 37762

  558. + |census estimate yr = 2016

  559. + |pop = 12345<ref>example ref</ref>

  560.   |density_sq_mi = 80"""),

  561. 

  562.     # https://en.wikipedia.org/w/index.php?title=Winnebago_County,_Illinois&oldid=789193800

  563.     ("""{{Infobox U.S. county |

  564.  county  = Winnebago County |

  565.  state = Illinois |

  566.  seal = Winnebago County il seal.png |

  567.  named for = [[Winnebago (tribe)|Winnebago Tribe]] |

  568.  seat wl= Rockford |

  569.  largest city wl = Rockford|

  570.  area_total_sq_mi = 519 |

  571.  area_land_sq_mi = 513|

  572.  area_water_sq_mi = 5.9 |

  573.  area percentage = 1.1% |

  574.  census yr = 2010|

  575.  pop = 295266 |

  576.  density_sq_mi = 575

  577. | web = www.wincoil.us

  578. | founded year = 1836

  579. | founded date = January 16

  580. | time zone = Central

  581. | district = 16th

  582. | district2 = 17th

  583. }}""",

  584.     """@@ -11,4 +11,4 @@

  585.   area percentage = 1.1% |

  586. - census yr = 2010|

  587. - pop = 295266 |

  588. + census estimate yr = 2016|

  589. + pop = 12345<ref>example ref</ref> |

  590.   density_sq_mi = 575""")]

  591. 

  592.         for (original, expected) in tests:

  593.             code = parse(original)

  594.             template = code.filter_templates()[0]

  595.             template.add("pop", "12345<ref>example ref</ref>")

  596.             template.add('census estimate yr', "2016", before="pop")

  597.             template.remove("census yr")

  598. 

  599.             oldlines = original.splitlines(True)

  600.             newlines = str(code).splitlines(True)

  601.             difflines = unified_diff(oldlines, newlines, n=1)

  602.             diff = "".join(list(difflines)[2:]).strip()

  603.             self.assertEqual(expected, diff)

  604. 

  605. if __name__ == "__main__":

  606.     unittest.main(verbosity=2)