1. from django.template import TemplateSyntaxError

  2. from django.template.defaulttags import IfNode

  3. from django.test import SimpleTestCase

  4. 

  5. from ..utils import TestObj, setup

  6. 

  7. 

  8. class IfTagTests(SimpleTestCase):

  9.     @setup({"if-tag01": "{% if foo %}yes{% else %}no{% endif %}"})

  10.     def test_if_tag01(self):

  11.         output = self.engine.render_to_string("if-tag01", {"foo": True})

  12.         self.assertEqual(output, "yes")

  13. 

  14.     @setup({"if-tag02": "{% if foo %}yes{% else %}no{% endif %}"})

  15.     def test_if_tag02(self):

  16.         output = self.engine.render_to_string("if-tag02", {"foo": False})

  17.         self.assertEqual(output, "no")

  18. 

  19.     @setup({"if-tag03": "{% if foo %}yes{% else %}no{% endif %}"})

  20.     def test_if_tag03(self):

  21.         output = self.engine.render_to_string("if-tag03")

  22.         self.assertEqual(output, "no")

  23. 

  24.     @setup({"if-tag04": "{% if foo %}foo{% elif bar %}bar{% endif %}"})

  25.     def test_if_tag04(self):

  26.         output = self.engine.render_to_string("if-tag04", {"foo": True})

  27.         self.assertEqual(output, "foo")

  28. 

  29.     @setup({"if-tag05": "{% if foo %}foo{% elif bar %}bar{% endif %}"})

  30.     def test_if_tag05(self):

  31.         output = self.engine.render_to_string("if-tag05", {"bar": True})

  32.         self.assertEqual(output, "bar")

  33. 

  34.     @setup({"if-tag06": "{% if foo %}foo{% elif bar %}bar{% endif %}"})

  35.     def test_if_tag06(self):

  36.         output = self.engine.render_to_string("if-tag06")

  37.         self.assertEqual(output, "")

  38. 

  39.     @setup({"if-tag07": "{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}"})

  40.     def test_if_tag07(self):

  41.         output = self.engine.render_to_string("if-tag07", {"foo": True})

  42.         self.assertEqual(output, "foo")

  43. 

  44.     @setup({"if-tag08": "{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}"})

  45.     def test_if_tag08(self):

  46.         output = self.engine.render_to_string("if-tag08", {"bar": True})

  47.         self.assertEqual(output, "bar")

  48. 

  49.     @setup({"if-tag09": "{% if foo %}foo{% elif bar %}bar{% else %}nothing{% endif %}"})

  50.     def test_if_tag09(self):

  51.         output = self.engine.render_to_string("if-tag09")

  52.         self.assertEqual(output, "nothing")

  53. 

  54.     @setup(

  55.         {

  56.             "if-tag10": (

  57.                 "{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing"

  58.                 "{% endif %}"

  59.             )

  60.         }

  61.     )

  62.     def test_if_tag10(self):

  63.         output = self.engine.render_to_string("if-tag10", {"foo": True})

  64.         self.assertEqual(output, "foo")

  65. 

  66.     @setup(

  67.         {

  68.             "if-tag11": (

  69.                 "{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing"

  70.                 "{% endif %}"

  71.             )

  72.         }

  73.     )

  74.     def test_if_tag11(self):

  75.         output = self.engine.render_to_string("if-tag11", {"bar": True})

  76.         self.assertEqual(output, "bar")

  77. 

  78.     @setup(

  79.         {

  80.             "if-tag12": (

  81.                 "{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing"

  82.                 "{% endif %}"

  83.             )

  84.         }

  85.     )

  86.     def test_if_tag12(self):

  87.         output = self.engine.render_to_string("if-tag12", {"baz": True})

  88.         self.assertEqual(output, "baz")

  89. 

  90.     @setup(

  91.         {

  92.             "if-tag13": (

  93.                 "{% if foo %}foo{% elif bar %}bar{% elif baz %}baz{% else %}nothing"

  94.                 "{% endif %}"

  95.             )

  96.         }

  97.     )

  98.     def test_if_tag13(self):

  99.         output = self.engine.render_to_string("if-tag13")

  100.         self.assertEqual(output, "nothing")

  101. 

  102.     # Filters

  103.     @setup({"if-tag-filter01": "{% if foo|length == 5 %}yes{% else %}no{% endif %}"})

  104.     def test_if_tag_filter01(self):

  105.         output = self.engine.render_to_string("if-tag-filter01", {"foo": "abcde"})

  106.         self.assertEqual(output, "yes")

  107. 

  108.     @setup({"if-tag-filter02": "{% if foo|upper == 'ABC' %}yes{% else %}no{% endif %}"})

  109.     def test_if_tag_filter02(self):

  110.         output = self.engine.render_to_string("if-tag-filter02")

  111.         self.assertEqual(output, "no")

  112. 

  113.     # Equality

  114.     @setup({"if-tag-eq01": "{% if foo == bar %}yes{% else %}no{% endif %}"})

  115.     def test_if_tag_eq01(self):

  116.         output = self.engine.render_to_string("if-tag-eq01")

  117.         self.assertEqual(output, "yes")

  118. 

  119.     @setup({"if-tag-eq02": "{% if foo == bar %}yes{% else %}no{% endif %}"})

  120.     def test_if_tag_eq02(self):

  121.         output = self.engine.render_to_string("if-tag-eq02", {"foo": 1})

  122.         self.assertEqual(output, "no")

  123. 

  124.     @setup({"if-tag-eq03": "{% if foo == bar %}yes{% else %}no{% endif %}"})

  125.     def test_if_tag_eq03(self):

  126.         output = self.engine.render_to_string("if-tag-eq03", {"foo": 1, "bar": 1})

  127.         self.assertEqual(output, "yes")

  128. 

  129.     @setup({"if-tag-eq04": "{% if foo == bar %}yes{% else %}no{% endif %}"})

  130.     def test_if_tag_eq04(self):

  131.         output = self.engine.render_to_string("if-tag-eq04", {"foo": 1, "bar": 2})

  132.         self.assertEqual(output, "no")

  133. 

  134.     @setup({"if-tag-eq05": "{% if foo == '' %}yes{% else %}no{% endif %}"})

  135.     def test_if_tag_eq05(self):

  136.         output = self.engine.render_to_string("if-tag-eq05")

  137.         self.assertEqual(output, "no")

  138. 

  139.     # Inequality

  140.     @setup({"if-tag-noteq01": "{% if foo != bar %}yes{% else %}no{% endif %}"})

  141.     def test_if_tag_noteq01(self):

  142.         output = self.engine.render_to_string("if-tag-noteq01")

  143.         self.assertEqual(output, "no")

  144. 

  145.     @setup({"if-tag-noteq02": "{% if foo != bar %}yes{% else %}no{% endif %}"})

  146.     def test_if_tag_noteq02(self):

  147.         output = self.engine.render_to_string("if-tag-noteq02", {"foo": 1})

  148.         self.assertEqual(output, "yes")

  149. 

  150.     @setup({"if-tag-noteq03": "{% if foo != bar %}yes{% else %}no{% endif %}"})

  151.     def test_if_tag_noteq03(self):

  152.         output = self.engine.render_to_string("if-tag-noteq03", {"foo": 1, "bar": 1})

  153.         self.assertEqual(output, "no")

  154. 

  155.     @setup({"if-tag-noteq04": "{% if foo != bar %}yes{% else %}no{% endif %}"})

  156.     def test_if_tag_noteq04(self):

  157.         output = self.engine.render_to_string("if-tag-noteq04", {"foo": 1, "bar": 2})

  158.         self.assertEqual(output, "yes")

  159. 

  160.     @setup({"if-tag-noteq05": '{% if foo != "" %}yes{% else %}no{% endif %}'})

  161.     def test_if_tag_noteq05(self):

  162.         output = self.engine.render_to_string("if-tag-noteq05")

  163.         self.assertEqual(output, "yes")

  164. 

  165.     # Comparison

  166.     @setup({"if-tag-gt-01": "{% if 2 > 1 %}yes{% else %}no{% endif %}"})

  167.     def test_if_tag_gt_01(self):

  168.         output = self.engine.render_to_string("if-tag-gt-01")

  169.         self.assertEqual(output, "yes")

  170. 

  171.     @setup({"if-tag-gt-02": "{% if 1 > 1 %}yes{% else %}no{% endif %}"})

  172.     def test_if_tag_gt_02(self):

  173.         output = self.engine.render_to_string("if-tag-gt-02")

  174.         self.assertEqual(output, "no")

  175. 

  176.     @setup({"if-tag-gte-01": "{% if 1 >= 1 %}yes{% else %}no{% endif %}"})

  177.     def test_if_tag_gte_01(self):

  178.         output = self.engine.render_to_string("if-tag-gte-01")

  179.         self.assertEqual(output, "yes")

  180. 

  181.     @setup({"if-tag-gte-02": "{% if 1 >= 2 %}yes{% else %}no{% endif %}"})

  182.     def test_if_tag_gte_02(self):

  183.         output = self.engine.render_to_string("if-tag-gte-02")

  184.         self.assertEqual(output, "no")

  185. 

  186.     @setup({"if-tag-lt-01": "{% if 1 < 2 %}yes{% else %}no{% endif %}"})

  187.     def test_if_tag_lt_01(self):

  188.         output = self.engine.render_to_string("if-tag-lt-01")

  189.         self.assertEqual(output, "yes")

  190. 

  191.     @setup({"if-tag-lt-02": "{% if 1 < 1 %}yes{% else %}no{% endif %}"})

  192.     def test_if_tag_lt_02(self):

  193.         output = self.engine.render_to_string("if-tag-lt-02")

  194.         self.assertEqual(output, "no")

  195. 

  196.     @setup({"if-tag-lte-01": "{% if 1 <= 1 %}yes{% else %}no{% endif %}"})

  197.     def test_if_tag_lte_01(self):

  198.         output = self.engine.render_to_string("if-tag-lte-01")

  199.         self.assertEqual(output, "yes")

  200. 

  201.     @setup({"if-tag-lte-02": "{% if 2 <= 1 %}yes{% else %}no{% endif %}"})

  202.     def test_if_tag_lte_02(self):

  203.         output = self.engine.render_to_string("if-tag-lte-02")

  204.         self.assertEqual(output, "no")

  205. 

  206.     # Contains

  207.     @setup({"if-tag-in-01": "{% if 1 in x %}yes{% else %}no{% endif %}"})

  208.     def test_if_tag_in_01(self):

  209.         output = self.engine.render_to_string("if-tag-in-01", {"x": [1]})

  210.         self.assertEqual(output, "yes")

  211. 

  212.     @setup({"if-tag-in-02": "{% if 2 in x %}yes{% else %}no{% endif %}"})

  213.     def test_if_tag_in_02(self):

  214.         output = self.engine.render_to_string("if-tag-in-02", {"x": [1]})

  215.         self.assertEqual(output, "no")

  216. 

  217.     @setup({"if-tag-not-in-01": "{% if 1 not in x %}yes{% else %}no{% endif %}"})

  218.     def test_if_tag_not_in_01(self):

  219.         output = self.engine.render_to_string("if-tag-not-in-01", {"x": [1]})

  220.         self.assertEqual(output, "no")

  221. 

  222.     @setup({"if-tag-not-in-02": "{% if 2 not in x %}yes{% else %}no{% endif %}"})

  223.     def test_if_tag_not_in_02(self):

  224.         output = self.engine.render_to_string("if-tag-not-in-02", {"x": [1]})

  225.         self.assertEqual(output, "yes")

  226. 

  227.     # AND

  228.     @setup({"if-tag-and01": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  229.     def test_if_tag_and01(self):

  230.         output = self.engine.render_to_string(

  231.             "if-tag-and01", {"foo": True, "bar": True}

  232.         )

  233.         self.assertEqual(output, "yes")

  234. 

  235.     @setup({"if-tag-and02": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  236.     def test_if_tag_and02(self):

  237.         output = self.engine.render_to_string(

  238.             "if-tag-and02", {"foo": True, "bar": False}

  239.         )

  240.         self.assertEqual(output, "no")

  241. 

  242.     @setup({"if-tag-and03": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  243.     def test_if_tag_and03(self):

  244.         output = self.engine.render_to_string(

  245.             "if-tag-and03", {"foo": False, "bar": True}

  246.         )

  247.         self.assertEqual(output, "no")

  248. 

  249.     @setup({"if-tag-and04": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  250.     def test_if_tag_and04(self):

  251.         output = self.engine.render_to_string(

  252.             "if-tag-and04", {"foo": False, "bar": False}

  253.         )

  254.         self.assertEqual(output, "no")

  255. 

  256.     @setup({"if-tag-and05": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  257.     def test_if_tag_and05(self):

  258.         output = self.engine.render_to_string("if-tag-and05", {"foo": False})

  259.         self.assertEqual(output, "no")

  260. 

  261.     @setup({"if-tag-and06": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  262.     def test_if_tag_and06(self):

  263.         output = self.engine.render_to_string("if-tag-and06", {"bar": False})

  264.         self.assertEqual(output, "no")

  265. 

  266.     @setup({"if-tag-and07": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  267.     def test_if_tag_and07(self):

  268.         output = self.engine.render_to_string("if-tag-and07", {"foo": True})

  269.         self.assertEqual(output, "no")

  270. 

  271.     @setup({"if-tag-and08": "{% if foo and bar %}yes{% else %}no{% endif %}"})

  272.     def test_if_tag_and08(self):

  273.         output = self.engine.render_to_string("if-tag-and08", {"bar": True})

  274.         self.assertEqual(output, "no")

  275. 

  276.     # OR

  277.     @setup({"if-tag-or01": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  278.     def test_if_tag_or01(self):

  279.         output = self.engine.render_to_string("if-tag-or01", {"foo": True, "bar": True})

  280.         self.assertEqual(output, "yes")

  281. 

  282.     @setup({"if-tag-or02": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  283.     def test_if_tag_or02(self):

  284.         output = self.engine.render_to_string(

  285.             "if-tag-or02", {"foo": True, "bar": False}

  286.         )

  287.         self.assertEqual(output, "yes")

  288. 

  289.     @setup({"if-tag-or03": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  290.     def test_if_tag_or03(self):

  291.         output = self.engine.render_to_string(

  292.             "if-tag-or03", {"foo": False, "bar": True}

  293.         )

  294.         self.assertEqual(output, "yes")

  295. 

  296.     @setup({"if-tag-or04": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  297.     def test_if_tag_or04(self):

  298.         output = self.engine.render_to_string(

  299.             "if-tag-or04", {"foo": False, "bar": False}

  300.         )

  301.         self.assertEqual(output, "no")

  302. 

  303.     @setup({"if-tag-or05": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  304.     def test_if_tag_or05(self):

  305.         output = self.engine.render_to_string("if-tag-or05", {"foo": False})

  306.         self.assertEqual(output, "no")

  307. 

  308.     @setup({"if-tag-or06": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  309.     def test_if_tag_or06(self):

  310.         output = self.engine.render_to_string("if-tag-or06", {"bar": False})

  311.         self.assertEqual(output, "no")

  312. 

  313.     @setup({"if-tag-or07": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  314.     def test_if_tag_or07(self):

  315.         output = self.engine.render_to_string("if-tag-or07", {"foo": True})

  316.         self.assertEqual(output, "yes")

  317. 

  318.     @setup({"if-tag-or08": "{% if foo or bar %}yes{% else %}no{% endif %}"})

  319.     def test_if_tag_or08(self):

  320.         output = self.engine.render_to_string("if-tag-or08", {"bar": True})

  321.         self.assertEqual(output, "yes")

  322. 

  323.     @setup({"if-tag-or09": "{% if foo or bar or baz %}yes{% else %}no{% endif %}"})

  324.     def test_if_tag_or09(self):

  325.         """

  326.         multiple ORs

  327.         """

  328.         output = self.engine.render_to_string("if-tag-or09", {"baz": True})

  329.         self.assertEqual(output, "yes")

  330. 

  331.     # NOT

  332.     @setup({"if-tag-not01": "{% if not foo %}no{% else %}yes{% endif %}"})

  333.     def test_if_tag_not01(self):

  334.         output = self.engine.render_to_string("if-tag-not01", {"foo": True})

  335.         self.assertEqual(output, "yes")

  336. 

  337.     @setup({"if-tag-not02": "{% if not not foo %}no{% else %}yes{% endif %}"})

  338.     def test_if_tag_not02(self):

  339.         output = self.engine.render_to_string("if-tag-not02", {"foo": True})

  340.         self.assertEqual(output, "no")

  341. 

  342.     @setup({"if-tag-not06": "{% if foo and not bar %}yes{% else %}no{% endif %}"})

  343.     def test_if_tag_not06(self):

  344.         output = self.engine.render_to_string("if-tag-not06")

  345.         self.assertEqual(output, "no")

  346. 

  347.     @setup({"if-tag-not07": "{% if foo and not bar %}yes{% else %}no{% endif %}"})

  348.     def test_if_tag_not07(self):

  349.         output = self.engine.render_to_string(

  350.             "if-tag-not07", {"foo": True, "bar": True}

  351.         )

  352.         self.assertEqual(output, "no")

  353. 

  354.     @setup({"if-tag-not08": "{% if foo and not bar %}yes{% else %}no{% endif %}"})

  355.     def test_if_tag_not08(self):

  356.         output = self.engine.render_to_string(

  357.             "if-tag-not08", {"foo": True, "bar": False}

  358.         )

  359.         self.assertEqual(output, "yes")

  360. 

  361.     @setup({"if-tag-not09": "{% if foo and not bar %}yes{% else %}no{% endif %}"})

  362.     def test_if_tag_not09(self):

  363.         output = self.engine.render_to_string(

  364.             "if-tag-not09", {"foo": False, "bar": True}

  365.         )

  366.         self.assertEqual(output, "no")

  367. 

  368.     @setup({"if-tag-not10": "{% if foo and not bar %}yes{% else %}no{% endif %}"})

  369.     def test_if_tag_not10(self):

  370.         output = self.engine.render_to_string(

  371.             "if-tag-not10", {"foo": False, "bar": False}

  372.         )

  373.         self.assertEqual(output, "no")

  374. 

  375.     @setup({"if-tag-not11": "{% if not foo and bar %}yes{% else %}no{% endif %}"})

  376.     def test_if_tag_not11(self):

  377.         output = self.engine.render_to_string("if-tag-not11")

  378.         self.assertEqual(output, "no")

  379. 

  380.     @setup({"if-tag-not12": "{% if not foo and bar %}yes{% else %}no{% endif %}"})

  381.     def test_if_tag_not12(self):

  382.         output = self.engine.render_to_string(

  383.             "if-tag-not12", {"foo": True, "bar": True}

  384.         )

  385.         self.assertEqual(output, "no")

  386. 

  387.     @setup({"if-tag-not13": "{% if not foo and bar %}yes{% else %}no{% endif %}"})

  388.     def test_if_tag_not13(self):

  389.         output = self.engine.render_to_string(

  390.             "if-tag-not13", {"foo": True, "bar": False}

  391.         )

  392.         self.assertEqual(output, "no")

  393. 

  394.     @setup({"if-tag-not14": "{% if not foo and bar %}yes{% else %}no{% endif %}"})

  395.     def test_if_tag_not14(self):

  396.         output = self.engine.render_to_string(

  397.             "if-tag-not14", {"foo": False, "bar": True}

  398.         )

  399.         self.assertEqual(output, "yes")

  400. 

  401.     @setup({"if-tag-not15": "{% if not foo and bar %}yes{% else %}no{% endif %}"})

  402.     def test_if_tag_not15(self):

  403.         output = self.engine.render_to_string(

  404.             "if-tag-not15", {"foo": False, "bar": False}

  405.         )

  406.         self.assertEqual(output, "no")

  407. 

  408.     @setup({"if-tag-not16": "{% if foo or not bar %}yes{% else %}no{% endif %}"})

  409.     def test_if_tag_not16(self):

  410.         output = self.engine.render_to_string("if-tag-not16")

  411.         self.assertEqual(output, "yes")

  412. 

  413.     @setup({"if-tag-not17": "{% if foo or not bar %}yes{% else %}no{% endif %}"})

  414.     def test_if_tag_not17(self):

  415.         output = self.engine.render_to_string(

  416.             "if-tag-not17", {"foo": True, "bar": True}

  417.         )

  418.         self.assertEqual(output, "yes")

  419. 

  420.     @setup({"if-tag-not18": "{% if foo or not bar %}yes{% else %}no{% endif %}"})

  421.     def test_if_tag_not18(self):

  422.         output = self.engine.render_to_string(

  423.             "if-tag-not18", {"foo": True, "bar": False}

  424.         )

  425.         self.assertEqual(output, "yes")

  426. 

  427.     @setup({"if-tag-not19": "{% if foo or not bar %}yes{% else %}no{% endif %}"})

  428.     def test_if_tag_not19(self):

  429.         output = self.engine.render_to_string(

  430.             "if-tag-not19", {"foo": False, "bar": True}

  431.         )

  432.         self.assertEqual(output, "no")

  433. 

  434.     @setup({"if-tag-not20": "{% if foo or not bar %}yes{% else %}no{% endif %}"})

  435.     def test_if_tag_not20(self):

  436.         output = self.engine.render_to_string(

  437.             "if-tag-not20", {"foo": False, "bar": False}

  438.         )

  439.         self.assertEqual(output, "yes")

  440. 

  441.     @setup({"if-tag-not21": "{% if not foo or bar %}yes{% else %}no{% endif %}"})

  442.     def test_if_tag_not21(self):

  443.         output = self.engine.render_to_string("if-tag-not21")

  444.         self.assertEqual(output, "yes")

  445. 

  446.     @setup({"if-tag-not22": "{% if not foo or bar %}yes{% else %}no{% endif %}"})

  447.     def test_if_tag_not22(self):

  448.         output = self.engine.render_to_string(

  449.             "if-tag-not22", {"foo": True, "bar": True}

  450.         )

  451.         self.assertEqual(output, "yes")

  452. 

  453.     @setup({"if-tag-not23": "{% if not foo or bar %}yes{% else %}no{% endif %}"})

  454.     def test_if_tag_not23(self):

  455.         output = self.engine.render_to_string(

  456.             "if-tag-not23", {"foo": True, "bar": False}

  457.         )

  458.         self.assertEqual(output, "no")

  459. 

  460.     @setup({"if-tag-not24": "{% if not foo or bar %}yes{% else %}no{% endif %}"})

  461.     def test_if_tag_not24(self):

  462.         output = self.engine.render_to_string(

  463.             "if-tag-not24", {"foo": False, "bar": True}

  464.         )

  465.         self.assertEqual(output, "yes")

  466. 

  467.     @setup({"if-tag-not25": "{% if not foo or bar %}yes{% else %}no{% endif %}"})

  468.     def test_if_tag_not25(self):

  469.         output = self.engine.render_to_string(

  470.             "if-tag-not25", {"foo": False, "bar": False}

  471.         )

  472.         self.assertEqual(output, "yes")

  473. 

  474.     @setup({"if-tag-not26": "{% if not foo and not bar %}yes{% else %}no{% endif %}"})

  475.     def test_if_tag_not26(self):

  476.         output = self.engine.render_to_string("if-tag-not26")

  477.         self.assertEqual(output, "yes")

  478. 

  479.     @setup({"if-tag-not27": "{% if not foo and not bar %}yes{% else %}no{% endif %}"})

  480.     def test_if_tag_not27(self):

  481.         output = self.engine.render_to_string(

  482.             "if-tag-not27", {"foo": True, "bar": True}

  483.         )

  484.         self.assertEqual(output, "no")

  485. 

  486.     @setup({"if-tag-not28": "{% if not foo and not bar %}yes{% else %}no{% endif %}"})

  487.     def test_if_tag_not28(self):

  488.         output = self.engine.render_to_string(

  489.             "if-tag-not28", {"foo": True, "bar": False}

  490.         )

  491.         self.assertEqual(output, "no")

  492. 

  493.     @setup({"if-tag-not29": "{% if not foo and not bar %}yes{% else %}no{% endif %}"})

  494.     def test_if_tag_not29(self):

  495.         output = self.engine.render_to_string(

  496.             "if-tag-not29", {"foo": False, "bar": True}

  497.         )

  498.         self.assertEqual(output, "no")

  499. 

  500.     @setup({"if-tag-not30": "{% if not foo and not bar %}yes{% else %}no{% endif %}"})

  501.     def test_if_tag_not30(self):

  502.         output = self.engine.render_to_string(

  503.             "if-tag-not30", {"foo": False, "bar": False}

  504.         )

  505.         self.assertEqual(output, "yes")

  506. 

  507.     @setup({"if-tag-not31": "{% if not foo or not bar %}yes{% else %}no{% endif %}"})

  508.     def test_if_tag_not31(self):

  509.         output = self.engine.render_to_string("if-tag-not31")

  510.         self.assertEqual(output, "yes")

  511. 

  512.     @setup({"if-tag-not32": "{% if not foo or not bar %}yes{% else %}no{% endif %}"})

  513.     def test_if_tag_not32(self):

  514.         output = self.engine.render_to_string(

  515.             "if-tag-not32", {"foo": True, "bar": True}

  516.         )

  517.         self.assertEqual(output, "no")

  518. 

  519.     @setup({"if-tag-not33": "{% if not foo or not bar %}yes{% else %}no{% endif %}"})

  520.     def test_if_tag_not33(self):

  521.         output = self.engine.render_to_string(

  522.             "if-tag-not33", {"foo": True, "bar": False}

  523.         )

  524.         self.assertEqual(output, "yes")

  525. 

  526.     @setup({"if-tag-not34": "{% if not foo or not bar %}yes{% else %}no{% endif %}"})

  527.     def test_if_tag_not34(self):

  528.         output = self.engine.render_to_string(

  529.             "if-tag-not34", {"foo": False, "bar": True}

  530.         )

  531.         self.assertEqual(output, "yes")

  532. 

  533.     @setup({"if-tag-not35": "{% if not foo or not bar %}yes{% else %}no{% endif %}"})

  534.     def test_if_tag_not35(self):

  535.         output = self.engine.render_to_string(

  536.             "if-tag-not35", {"foo": False, "bar": False}

  537.         )

  538.         self.assertEqual(output, "yes")

  539. 

  540.     # Various syntax errors

  541.     @setup({"if-tag-error01": "{% if %}yes{% endif %}"})

  542.     def test_if_tag_error01(self):

  543.         with self.assertRaises(TemplateSyntaxError):

  544.             self.engine.get_template("if-tag-error01")

  545. 

  546.     @setup({"if-tag-error02": "{% if foo and %}yes{% else %}no{% endif %}"})

  547.     def test_if_tag_error02(self):

  548.         with self.assertRaises(TemplateSyntaxError):

  549.             self.engine.render_to_string("if-tag-error02", {"foo": True})

  550. 

  551.     @setup({"if-tag-error03": "{% if foo or %}yes{% else %}no{% endif %}"})

  552.     def test_if_tag_error03(self):

  553.         with self.assertRaises(TemplateSyntaxError):

  554.             self.engine.render_to_string("if-tag-error03", {"foo": True})

  555. 

  556.     @setup({"if-tag-error04": "{% if not foo and %}yes{% else %}no{% endif %}"})

  557.     def test_if_tag_error04(self):

  558.         with self.assertRaises(TemplateSyntaxError):

  559.             self.engine.render_to_string("if-tag-error04", {"foo": True})

  560. 

  561.     @setup({"if-tag-error05": "{% if not foo or %}yes{% else %}no{% endif %}"})

  562.     def test_if_tag_error05(self):

  563.         with self.assertRaises(TemplateSyntaxError):

  564.             self.engine.render_to_string("if-tag-error05", {"foo": True})

  565. 

  566.     @setup({"if-tag-error06": "{% if abc def %}yes{% endif %}"})

  567.     def test_if_tag_error06(self):

  568.         with self.assertRaises(TemplateSyntaxError):

  569.             self.engine.get_template("if-tag-error06")

  570. 

  571.     @setup({"if-tag-error07": "{% if not %}yes{% endif %}"})

  572.     def test_if_tag_error07(self):

  573.         with self.assertRaises(TemplateSyntaxError):

  574.             self.engine.get_template("if-tag-error07")

  575. 

  576.     @setup({"if-tag-error08": "{% if and %}yes{% endif %}"})

  577.     def test_if_tag_error08(self):

  578.         with self.assertRaises(TemplateSyntaxError):

  579.             self.engine.get_template("if-tag-error08")

  580. 

  581.     @setup({"if-tag-error09": "{% if or %}yes{% endif %}"})

  582.     def test_if_tag_error09(self):

  583.         with self.assertRaises(TemplateSyntaxError):

  584.             self.engine.get_template("if-tag-error09")

  585. 

  586.     @setup({"if-tag-error10": "{% if == %}yes{% endif %}"})

  587.     def test_if_tag_error10(self):

  588.         with self.assertRaises(TemplateSyntaxError):

  589.             self.engine.get_template("if-tag-error10")

  590. 

  591.     @setup({"if-tag-error11": "{% if 1 == %}yes{% endif %}"})

  592.     def test_if_tag_error11(self):

  593.         with self.assertRaises(TemplateSyntaxError):

  594.             self.engine.get_template("if-tag-error11")

  595. 

  596.     @setup({"if-tag-error12": "{% if a not b %}yes{% endif %}"})

  597.     def test_if_tag_error12(self):

  598.         with self.assertRaises(TemplateSyntaxError):

  599.             self.engine.get_template("if-tag-error12")

  600. 

  601.     @setup(

  602.         {

  603.             "else-if-tag-error01": (

  604.                 "{% if foo is bar %} yes {% else if foo is not bar %} no {% endif %}"

  605.             )

  606.         }

  607.     )

  608.     def test_else_if_tag_error01(self):

  609.         error_message = 'Malformed template tag at line 1: "else if foo is not bar"'

  610.         with self.assertRaisesMessage(TemplateSyntaxError, error_message):

  611.             self.engine.get_template("else-if-tag-error01")

  612. 

  613.     @setup(

  614.         {

  615.             "if-tag-shortcircuit01": (

  616.                 "{% if x.is_true or x.is_bad %}yes{% else %}no{% endif %}"

  617.             )

  618.         }

  619.     )

  620.     def test_if_tag_shortcircuit01(self):

  621.         """

  622.         If evaluations are shortcircuited where possible

  623.         """

  624.         output = self.engine.render_to_string("if-tag-shortcircuit01", {"x": TestObj()})

  625.         self.assertEqual(output, "yes")

  626. 

  627.     @setup(

  628.         {

  629.             "if-tag-shortcircuit02": (

  630.                 "{% if x.is_false and x.is_bad %}yes{% else %}no{% endif %}"

  631.             )

  632.         }

  633.     )

  634.     def test_if_tag_shortcircuit02(self):

  635.         """

  636.         The is_bad() function should not be evaluated. If it is, an

  637.         exception is raised.

  638.         """

  639.         output = self.engine.render_to_string("if-tag-shortcircuit02", {"x": TestObj()})

  640.         self.assertEqual(output, "no")

  641. 

  642.     @setup({"if-tag-badarg01": "{% if x|default_if_none:y %}yes{% endif %}"})

  643.     def test_if_tag_badarg01(self):

  644.         """Nonexistent args"""

  645.         output = self.engine.render_to_string("if-tag-badarg01")

  646.         self.assertEqual(output, "")

  647. 

  648.     @setup({"if-tag-badarg02": "{% if x|default_if_none:y %}yes{% endif %}"})

  649.     def test_if_tag_badarg02(self):

  650.         output = self.engine.render_to_string("if-tag-badarg02", {"y": 0})

  651.         self.assertEqual(output, "")

  652. 

  653.     @setup({"if-tag-badarg03": "{% if x|default_if_none:y %}yes{% endif %}"})

  654.     def test_if_tag_badarg03(self):

  655.         output = self.engine.render_to_string("if-tag-badarg03", {"y": 1})

  656.         self.assertEqual(output, "yes")

  657. 

  658.     @setup(

  659.         {"if-tag-badarg04": "{% if x|default_if_none:y %}yes{% else %}no{% endif %}"}

  660.     )

  661.     def test_if_tag_badarg04(self):

  662.         output = self.engine.render_to_string("if-tag-badarg04")

  663.         self.assertEqual(output, "no")

  664. 

  665.     @setup({"if-tag-single-eq": "{% if foo = bar %}yes{% else %}no{% endif %}"})

  666.     def test_if_tag_single_eq(self):

  667.         # A single equals sign is a syntax error.

  668.         with self.assertRaises(TemplateSyntaxError):

  669.             self.engine.render_to_string("if-tag-single-eq", {"foo": 1})

  670. 

  671.     @setup({"template": "{% if foo is True %}yes{% else %}no{% endif %}"})

  672.     def test_if_is_match(self):

  673.         output = self.engine.render_to_string("template", {"foo": True})

  674.         self.assertEqual(output, "yes")

  675. 

  676.     @setup({"template": "{% if foo is True %}yes{% else %}no{% endif %}"})

  677.     def test_if_is_no_match(self):

  678.         output = self.engine.render_to_string("template", {"foo": 1})

  679.         self.assertEqual(output, "no")

  680. 

  681.     @setup({"template": "{% if foo is bar %}yes{% else %}no{% endif %}"})

  682.     def test_if_is_variable_missing(self):

  683.         output = self.engine.render_to_string("template", {"foo": 1})

  684.         self.assertEqual(output, "no")

  685. 

  686.     @setup({"template": "{% if foo is bar %}yes{% else %}no{% endif %}"})

  687.     def test_if_is_both_variables_missing(self):

  688.         output = self.engine.render_to_string("template", {})

  689.         self.assertEqual(output, "yes")

  690. 

  691.     @setup({"template": "{% if foo is not None %}yes{% else %}no{% endif %}"})

  692.     def test_if_is_not_match(self):

  693.         # For this to act as a regression test, it's important not to use

  694.         # foo=True because True is (not None)

  695.         output = self.engine.render_to_string("template", {"foo": False})

  696.         self.assertEqual(output, "yes")

  697. 

  698.     @setup({"template": "{% if foo is not None %}yes{% else %}no{% endif %}"})

  699.     def test_if_is_not_no_match(self):

  700.         output = self.engine.render_to_string("template", {"foo": None})

  701.         self.assertEqual(output, "no")

  702. 

  703.     @setup({"template": "{% if foo is not bar %}yes{% else %}no{% endif %}"})

  704.     def test_if_is_not_variable_missing(self):

  705.         output = self.engine.render_to_string("template", {"foo": False})

  706.         self.assertEqual(output, "yes")

  707. 

  708.     @setup({"template": "{% if foo is not bar %}yes{% else %}no{% endif %}"})

  709.     def test_if_is_not_both_variables_missing(self):

  710.         output = self.engine.render_to_string("template", {})

  711.         self.assertEqual(output, "no")

  712. 

  713. 

  714. class IfNodeTests(SimpleTestCase):

  715.     def test_repr(self):

  716.         node = IfNode(conditions_nodelists=[])

  717.         self.assertEqual(repr(node), "<IfNode>")
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