from django.test import SimpleTestCase from ..utils import setup class IfChangedTagTests(SimpleTestCase): @setup({'ifchanged01': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}'}) def test_ifchanged01(self): output = self.engine.render_to_string('ifchanged01', {'num': (1, 2, 3)}) self.assertEqual(output, '123') @setup({'ifchanged02': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}'}) def test_ifchanged02(self): output = self.engine.render_to_string('ifchanged02', {'num': (1, 1, 3)}) self.assertEqual(output, '13') @setup({'ifchanged03': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}{% endfor %}'}) def test_ifchanged03(self): output = self.engine.render_to_string('ifchanged03', {'num': (1, 1, 1)}) self.assertEqual(output, '1') @setup({'ifchanged04': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}' '{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged04(self): output = self.engine.render_to_string('ifchanged04', {'num': (1, 2, 3), 'numx': (2, 2, 2)}) self.assertEqual(output, '122232') @setup({'ifchanged05': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}' '{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged05(self): output = self.engine.render_to_string('ifchanged05', {'num': (1, 1, 1), 'numx': (1, 2, 3)}) self.assertEqual(output, '1123123123') @setup({'ifchanged06': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}' '{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged06(self): output = self.engine.render_to_string('ifchanged06', {'num': (1, 1, 1), 'numx': (2, 2, 2)}) self.assertEqual(output, '1222') @setup({'ifchanged07': '{% for n in num %}{% ifchanged %}{{ n }}{% endifchanged %}' '{% for x in numx %}{% ifchanged %}{{ x }}{% endifchanged %}' '{% for y in numy %}{% ifchanged %}{{ y }}{% endifchanged %}' '{% endfor %}{% endfor %}{% endfor %}'}) def test_ifchanged07(self): output = self.engine.render_to_string('ifchanged07', {'num': (1, 1, 1), 'numx': (2, 2, 2), 'numy': (3, 3, 3)}) self.assertEqual(output, '1233323332333') @setup({'ifchanged08': '{% for data in datalist %}{% for c,d in data %}' '{% if c %}{% ifchanged %}{{ d }}{% endifchanged %}' '{% endif %}{% endfor %}{% endfor %}'}) def test_ifchanged08(self): output = self.engine.render_to_string('ifchanged08', {'datalist': [ [(1, 'a'), (1, 'a'), (0, 'b'), (1, 'c')], [(0, 'a'), (1, 'c'), (1, 'd'), (1, 'd'), (0, 'e')] ]}) self.assertEqual(output, 'accd') @setup({'ifchanged-param01': '{% for n in num %}{% ifchanged n %}..{% endifchanged %}' '{{ n }}{% endfor %}'}) def test_ifchanged_param01(self): """ Test one parameter given to ifchanged. """ output = self.engine.render_to_string('ifchanged-param01', {'num': (1, 2, 3)}) self.assertEqual(output, '..1..2..3') @setup({'ifchanged-param02': '{% for n in num %}{% for x in numx %}{% ifchanged n %}..{% endifchanged %}' '{{ x }}{% endfor %}{% endfor %}'}) def test_ifchanged_param02(self): output = self.engine.render_to_string('ifchanged-param02', {'num': (1, 2, 3), 'numx': (5, 6, 7)}) self.assertEqual(output, '..567..567..567') @setup({'ifchanged-param03': '{% for n in num %}{{ n }}{% for x in numx %}' '{% ifchanged x n %}{{ x }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged_param03(self): """ Test multiple parameters to ifchanged. """ output = self.engine.render_to_string('ifchanged-param03', {'num': (1, 1, 2), 'numx': (5, 6, 6)}) self.assertEqual(output, '156156256') @setup({'ifchanged-param04': '{% for d in days %}{% ifchanged %}{{ d.day }}{% endifchanged %}' '{% for h in d.hours %}{% ifchanged d h %}{{ h }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged_param04(self): """ Test a date+hour like construct, where the hour of the last day is the same but the date had changed, so print the hour anyway. """ output = self.engine.render_to_string( 'ifchanged-param04', {'days': [{'hours': [1, 2, 3], 'day': 1}, {'hours': [3], 'day': 2}]}, ) self.assertEqual(output, '112323') @setup({'ifchanged-param05': '{% for d in days %}{% ifchanged d.day %}{{ d.day }}{% endifchanged %}' '{% for h in d.hours %}{% ifchanged d.day h %}{{ h }}{% endifchanged %}' '{% endfor %}{% endfor %}'}) def test_ifchanged_param05(self): """ Logically the same as above, just written with explicit ifchanged for the day. """ output = self.engine.render_to_string( 'ifchanged-param05', {'days': [{'hours': [1, 2, 3], 'day': 1}, {'hours': [3], 'day': 2}]}, ) self.assertEqual(output, '112323') @setup({'ifchanged-else01': '{% for id in ids %}{{ id }}' '{% ifchanged id %}-first{% else %}-other{% endifchanged %}' ',{% endfor %}'}) def test_ifchanged_else01(self): """ Test the else clause of ifchanged. """ output = self.engine.render_to_string('ifchanged-else01', {'ids': [1, 1, 2, 2, 2, 3]}) self.assertEqual(output, '1-first,1-other,2-first,2-other,2-other,3-first,') @setup({'ifchanged-else02': '{% for id in ids %}{{ id }}-' '{% ifchanged id %}{% cycle red,blue %}{% else %}grey{% endifchanged %}' ',{% endfor %}'}) def test_ifchanged_else02(self): output = self.engine.render_to_string('ifchanged-else02', {'ids': [1, 1, 2, 2, 2, 3]}) self.assertEqual(output, '1-red,1-grey,2-blue,2-grey,2-grey,3-red,') @setup({'ifchanged-else03': '{% for id in ids %}{{ id }}' '{% ifchanged id %}-{% cycle red,blue %}{% else %}{% endifchanged %}' ',{% endfor %}'}) def test_ifchanged_else03(self): output = self.engine.render_to_string('ifchanged-else03', {'ids': [1, 1, 2, 2, 2, 3]}) self.assertEqual(output, '1-red,1,2-blue,2,2,3-red,') @setup({'ifchanged-else04': '{% for id in ids %}' '{% ifchanged %}***{{ id }}*{% else %}...{% endifchanged %}' '{{ forloop.counter }}{% endfor %}'}) def test_ifchanged_else04(self): output = self.engine.render_to_string('ifchanged-else04', {'ids': [1, 1, 2, 2, 2, 3, 4]}) self.assertEqual(output, '***1*1...2***2*3...4...5***3*6***4*7') @setup({'ifchanged-filter-ws': '{% load custom %}{% for n in num %}' '{% ifchanged n|noop:"x y" %}..{% endifchanged %}{{ n }}' '{% endfor %}'}) def test_ifchanged_filter_ws(self): """ Test whitespace in filter arguments """ output = self.engine.render_to_string('ifchanged-filter-ws', {'num': (1, 2, 3)}) self.assertEqual(output, '..1..2..3')