old_contents: from .utils import TemplateTestCase, Mock
  
  
  class BlockTagTest(TemplateTestCase):
  
      def test_block_parse(self):
          self.assertRendered('{% block name %}%{% endblock %}', '%')
  
  
  class ForTagTest(TemplateTestCase):
      def test_simple_for(self):
          self.assertRendered(
              '{% for _in=seq %}{{ item }} {% endfor %}',
              'a b c d e ',
              {'seq': 'abcde'},
          )
  
      def test_unpack_for(self):
          self.assertRendered(
              '{% for a, b, _in=seq %}{{ a }} == {{ b }},{% endfor %}',
              'a == 1,b == 2,',
              {'seq': (('a', 1), ('b', 2))}
          )
  
  
  class IfTagTest(TemplateTestCase):
      def test_simple_if(self):
          self.assertRendered(
              '{% if a == 1 %}Yes!{% endif %}',
              'Yes!',
              {'a': 1}
          )
  
          self.assertRendered(
              '{% if a == 1 %}Yes!{% endif %}',
              '',
              {'a': 2}
          )
  
      def test_if_else(self):
          tmpl = '{% if a == 1 %}Yes!{% else %}No!{% endif %}'
          self.assertRendered(tmpl, 'Yes!', {'a': 1})
          self.assertRendered(tmpl, 'No!', {'a': 2})
  
new_contents: from .utils import TemplateTestCase, Mock
  
  
  class BlockTagTest(TemplateTestCase):
  
      def test_block_parse(self):
          self.assertRendered('{% block name %}%{% endblock %}', '%')
  
  
  class ForTagTest(TemplateTestCase):
      def test_simple_for(self):
          self.assertRendered(
              '{% for item in seq %}{{ item }} {% endfor %}',
              'a b c d e ',
              {'seq': 'abcde'},
          )
  
      def test_unpack_for(self):
          self.assertRendered(
              '{% for a, b in seq %}{{ a }} == {{ b }},{% endfor %}',
              'a == 1,b == 2,',
              {'seq': (('a', 1), ('b', 2))}
          )
  
  
  class IfTagTest(TemplateTestCase):
      def test_simple_if(self):
          self.assertRendered(
              '{% if a == 1 %}Yes!{% endif %}',
              'Yes!',
              {'a': 1}
          )
  
          self.assertRendered(
              '{% if a == 1 %}Yes!{% endif %}',
              '',
              {'a': 2}
          )
  
      def test_if_else(self):
          tmpl = '{% if a == 1 %}Yes!{% else %}No!{% endif %}'
          self.assertRendered(tmpl, 'Yes!', {'a': 1})
          self.assertRendered(tmpl, 'No!', {'a': 2})
  
subject: Update tags for new syntax