from __future__ import absolute_import
from __future__ import print_function
import sys
import unittest
try:
from tools.lib.template_parser import (
html_tag_tree,
is_django_block_tag,
tokenize,
validate,
)
except ImportError:
print('ERROR!!! You need to run this via tools/test-tools.')
sys.exit(1)
class ParserTest(unittest.TestCase):
def test_is_django_block_tag(self):
# type: () -> None
self.assertTrue(is_django_block_tag('block'))
self.assertFalse(is_django_block_tag('not a django tag'))
def test_validate_vanilla_html(self):
# type: () -> None
'''
Verify that validate() does not raise errors for
well-formed HTML.
'''
my_html = '''
'''
validate(text=my_html)
def test_validate_handlebars(self):
# type: () -> None
my_html = '''
{{#with stream}}
{{stream}}
{{/with}}
'''
validate(text=my_html)
def test_validate_django(self):
# type: () -> None
my_html = '''
{% include "some_other.html" %}
{% if foo %}
bar
{% endif %}
'''
validate(text=my_html)
def test_tokenize(self):
# type: () -> None
tag = 'bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'html_special')
tag = 'bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'html_start')
self.assertEqual(token.tag, 'a')
tag = '
bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'html_singleton')
self.assertEqual(token.tag, 'br')
tag = 'bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'html_end')
self.assertEqual(token.tag, 'a')
tag = '{{#with foo}}bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'handlebars_start')
self.assertEqual(token.tag, 'with')
tag = '{{/with}}bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'handlebars_end')
self.assertEqual(token.tag, 'with')
tag = '{% if foo %}bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'django_start')
self.assertEqual(token.tag, 'if')
tag = '{% endif %}bla'
token = tokenize(tag)[0]
self.assertEqual(token.kind, 'django_end')
self.assertEqual(token.tag, 'if')
def test_html_tag_tree(self):
# type: () -> None
html = '''
Hello world
'''
tree = html_tag_tree(html)
self.assertEqual(tree.children[0].children[0].token.s, '')