2016-08-04 00:35:53 +02:00
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from __future__ import absolute_import
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from __future__ import print_function
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import sys
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import unittest
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try:
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from tools.lib.template_parser import (
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2016-08-08 02:21:36 +02:00
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html_tag_tree,
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2016-08-04 00:35:53 +02:00
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is_django_block_tag,
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2016-08-08 01:46:44 +02:00
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tokenize,
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2016-08-04 00:35:53 +02:00
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validate,
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)
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except ImportError:
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print('ERROR!!! You need to run this via tools/test-tools.')
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sys.exit(1)
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class ParserTest(unittest.TestCase):
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def test_is_django_block_tag(self):
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# type: () -> None
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self.assertTrue(is_django_block_tag('block'))
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self.assertFalse(is_django_block_tag('not a django tag'))
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def test_validate_vanilla_html(self):
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# type: () -> None
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'''
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Verify that validate() does not raise errors for
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well-formed HTML.
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'''
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my_html = '''
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<table>
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<tr>
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<td>foo</td>
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</tr>
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</table>'''
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validate(text=my_html)
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2016-08-08 01:46:44 +02:00
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2016-08-08 16:26:33 +02:00
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def test_validate_handlebars(self):
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# type: () -> None
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my_html = '''
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{{#with stream}}
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<p>{{stream}}</p>
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{{/with}}
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'''
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validate(text=my_html)
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2016-08-08 16:30:07 +02:00
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def test_validate_django(self):
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# type: () -> None
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my_html = '''
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{% include "some_other.html" %}
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{% if foo %}
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<p>bar</p>
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{% endif %}
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'''
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validate(text=my_html)
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2016-08-18 16:02:18 +02:00
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def test_code_blocks(self):
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# type: () -> None
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# This is fine.
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my_html = '''
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<code>
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x = 5
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y = x + 1
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</code>'''
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validate(text=my_html)
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# This is also fine.
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my_html = "<code>process_widgets()</code>"
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validate(text=my_html)
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# This is illegal.
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my_html = '''
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<code>x =
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5</code>
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'''
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# See https://github.com/python/typeshed/issues/372
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# for why we have to ingore types here.
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with self.assertRaisesRegexp(Exception, 'split across two lines'): # type: ignore
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validate(text=my_html)
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2016-08-08 01:46:44 +02:00
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def test_tokenize(self):
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# type: () -> None
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tag = '<meta whatever>bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'html_special')
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tag = '<a>bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'html_start')
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self.assertEqual(token.tag, 'a')
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tag = '<br />bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'html_singleton')
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self.assertEqual(token.tag, 'br')
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tag = '</a>bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'html_end')
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self.assertEqual(token.tag, 'a')
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tag = '{{#with foo}}bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'handlebars_start')
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self.assertEqual(token.tag, 'with')
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tag = '{{/with}}bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'handlebars_end')
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self.assertEqual(token.tag, 'with')
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tag = '{% if foo %}bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'django_start')
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self.assertEqual(token.tag, 'if')
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tag = '{% endif %}bla'
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token = tokenize(tag)[0]
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self.assertEqual(token.kind, 'django_end')
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self.assertEqual(token.tag, 'if')
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2016-08-08 02:21:36 +02:00
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def test_html_tag_tree(self):
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# type: () -> None
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html = '''
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<body><p>Hello world</p></body>
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'''
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tree = html_tag_tree(html)
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self.assertEqual(tree.children[0].children[0].token.s, '<p>')
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