from django.template import TemplateSyntaxError from django.test import SimpleTestCase from ..utils import setup class ForTagTests(SimpleTestCase): libraries = {'custom': 'template_tests.templatetags.custom'} @setup({'for-tag01': '{% for val in values %}{{ val }}{% endfor %}'}) def test_for_tag01(self): output = self.engine.render_to_string('for-tag01', {'values': [1, 2, 3]}) self.assertEqual(output, '123') @setup({'for-tag02': '{% for val in values reversed %}{{ val }}{% endfor %}'}) def test_for_tag02(self): output = self.engine.render_to_string('for-tag02', {'values': [1, 2, 3]}) self.assertEqual(output, '321') @setup({'for-tag-vars01': '{% for val in values %}{{ forloop.counter }}{% endfor %}'}) def test_for_tag_vars01(self): output = self.engine.render_to_string('for-tag-vars01', {'values': [6, 6, 6]}) self.assertEqual(output, '123') @setup({'for-tag-vars02': '{% for val in values %}{{ forloop.counter0 }}{% endfor %}'}) def test_for_tag_vars02(self): output = self.engine.render_to_string('for-tag-vars02', {'values': [6, 6, 6]}) self.assertEqual(output, '012') @setup({'for-tag-vars03': '{% for val in values %}{{ forloop.revcounter }}{% endfor %}'}) def test_for_tag_vars03(self): output = self.engine.render_to_string('for-tag-vars03', {'values': [6, 6, 6]}) self.assertEqual(output, '321') @setup({'for-tag-vars04': '{% for val in values %}{{ forloop.revcounter0 }}{% endfor %}'}) def test_for_tag_vars04(self): output = self.engine.render_to_string('for-tag-vars04', {'values': [6, 6, 6]}) self.assertEqual(output, '210') @setup({'for-tag-vars05': '{% for val in values %}' '{% if forloop.first %}f{% else %}x{% endif %}{% endfor %}'}) def test_for_tag_vars05(self): output = self.engine.render_to_string('for-tag-vars05', {'values': [6, 6, 6]}) self.assertEqual(output, 'fxx') @setup({'for-tag-vars06': '{% for val in values %}' '{% if forloop.last %}l{% else %}x{% endif %}{% endfor %}'}) def test_for_tag_vars06(self): output = self.engine.render_to_string('for-tag-vars06', {'values': [6, 6, 6]}) self.assertEqual(output, 'xxl') @setup({'for-tag-unpack01': '{% for key,value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack01(self): output = self.engine.render_to_string('for-tag-unpack01', {'items': (('one', 1), ('two', 2))}) self.assertEqual(output, 'one:1/two:2/') @setup({'for-tag-unpack03': '{% for key, value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack03(self): output = self.engine.render_to_string('for-tag-unpack03', {'items': (('one', 1), ('two', 2))}) self.assertEqual(output, 'one:1/two:2/') @setup({'for-tag-unpack04': '{% for key , value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack04(self): output = self.engine.render_to_string('for-tag-unpack04', {'items': (('one', 1), ('two', 2))}) self.assertEqual(output, 'one:1/two:2/') @setup({'for-tag-unpack05': '{% for key ,value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack05(self): output = self.engine.render_to_string('for-tag-unpack05', {'items': (('one', 1), ('two', 2))}) self.assertEqual(output, 'one:1/two:2/') @setup({'for-tag-unpack06': '{% for key value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack06(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('for-tag-unpack06', {'items': (('one', 1), ('two', 2))}) @setup({'for-tag-unpack07': '{% for key,,value in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack07(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('for-tag-unpack07', {'items': (('one', 1), ('two', 2))}) @setup({'for-tag-unpack08': '{% for key,value, in items %}{{ key }}:{{ value }}/{% endfor %}'}) def test_for_tag_unpack08(self): with self.assertRaises(TemplateSyntaxError): self.engine.render_to_string('for-tag-unpack08', {'items': (('one', 1), ('two', 2))}) @setup({'for-tag-unpack09': '{% for val in items %}{{ val.0 }}:{{ val.1 }}/{% endfor %}'}) def test_for_tag_unpack09(self): """ Ensure that a single loopvar doesn't truncate the list in val. """ output = self.engine.render_to_string('for-tag-unpack09', {'items': (('one', 1), ('two', 2))}) self.assertEqual(output, 'one:1/two:2/') @setup({'for-tag-unpack13': '{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}'}) def test_for_tag_unpack13(self): output = self.engine.render_to_string( 'for-tag-unpack13', {'items': (('one', 1, 'carrot'), ('two', 2, 'cheese'))} ) if self.engine.string_if_invalid: self.assertEqual(output, 'one:1,carrot/two:2,cheese/') else: self.assertEqual(output, 'one:1,carrot/two:2,cheese/') @setup({'for-tag-empty01': '{% for val in values %}{{ val }}{% empty %}empty text{% endfor %}'}) def test_for_tag_empty01(self): output = self.engine.render_to_string('for-tag-empty01', {'values': [1, 2, 3]}) self.assertEqual(output, '123') @setup({'for-tag-empty02': '{% for val in values %}{{ val }}{% empty %}values array empty{% endfor %}'}) def test_for_tag_empty02(self): output = self.engine.render_to_string('for-tag-empty02', {'values': []}) self.assertEqual(output, 'values array empty') @setup({'for-tag-empty03': '{% for val in values %}' '{{ val }}{% empty %}values array not found{% endfor %}'}) def test_for_tag_empty03(self): output = self.engine.render_to_string('for-tag-empty03') self.assertEqual(output, 'values array not found') @setup({'for-tag-filter-ws': "{% load custom %}{% for x in s|noop:'x y' %}{{ x }}{% endfor %}"}) def test_for_tag_filter_ws(self): """ #19882 """ output = self.engine.render_to_string('for-tag-filter-ws', {'s': 'abc'}) self.assertEqual(output, 'abc') # These tests raise deprecation warnings and will raise an exception # in Django 1.10. The existing behavior is silent truncation if the # length of loopvars differs to the length of each set of items. @setup({'for-tag-unpack10': '{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}'}) def test_for_tag_unpack10(self): with self.assertRaisesMessage(ValueError, 'Need 2 values to unpack in for loop; got 3.'): self.engine.render_to_string( 'for-tag-unpack10', {'items': (('one', 1, 'carrot'), ('two', 2, 'orange'))}, ) @setup({'for-tag-unpack11': '{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}'}) def test_for_tag_unpack11(self): with self.assertRaisesMessage(ValueError, 'Need 3 values to unpack in for loop; got 2.'): self.engine.render_to_string( 'for-tag-unpack11', {'items': (('one', 1), ('two', 2))}, ) @setup({'for-tag-unpack12': '{% for x,y,z in items %}{{ x }}:{{ y }},{{ z }}/{% endfor %}'}) def test_for_tag_unpack12(self): with self.assertRaisesMessage(ValueError, 'Need 3 values to unpack in for loop; got 2.'): self.engine.render_to_string( 'for-tag-unpack12', {'items': (('one', 1, 'carrot'), ('two', 2))} ) @setup({'for-tag-unpack14': '{% for x,y in items %}{{ x }}:{{ y }}/{% endfor %}'}) def test_for_tag_unpack14(self): with self.assertRaisesMessage(ValueError, 'Need 2 values to unpack in for loop; got 1.'): self.engine.render_to_string('for-tag-unpack14', {'items': (1, 2)})