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import os
import unittest
try:
import lxml
except ImportError:
lxml = None
try:
import html5lib
except ImportError:
html5lib = None
from django.test.utils import override_settings
from compressor.base import SOURCE_HUNK, SOURCE_FILE
from compressor.conf import settings
from compressor.tests.test_base import CompressorTestCase
class ParserTestCase:
def setUp(self):
self.override_settings = self.settings(COMPRESS_PARSER=self.parser_cls)
self.override_settings.__enter__()
super().setUp()
def tearDown(self):
self.override_settings.__exit__(None, None, None)
@unittest.skipIf(lxml is None, "lxml not found")
class LxmlParserTests(ParserTestCase, CompressorTestCase):
parser_cls = "compressor.parser.LxmlParser"
@unittest.skipIf(html5lib is None, "html5lib not found")
class Html5LibParserTests(ParserTestCase, CompressorTestCase):
parser_cls = "compressor.parser.Html5LibParser"
# Special test variants required since xml.etree holds attributes
# as a plain dictionary, e.g. key order is unpredictable.
def test_css_split(self):
split = self.css_node.split_contents()
out0 = (
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, "css", "one.css"),
"css/one.css",
"{http://www.w3.org/1999/xhtml}link",
{"rel": "stylesheet", "href": "/static/css/one.css", "type": "text/css"},
)
self.assertEqual(out0, split[0][:3] + (split[0][3].tag, split[0][3].attrib))
out1 = (
SOURCE_HUNK,
"p { border:5px solid green;}",
None,
'<style type="text/css">p { border:5px solid green;}</style>',
)
self.assertEqual(
out1, split[1][:3] + (self.css_node.parser.elem_str(split[1][3]),)
)
out2 = (
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, "css", "two.css"),
"css/two.css",
"{http://www.w3.org/1999/xhtml}link",
{"rel": "stylesheet", "href": "/static/css/two.css", "type": "text/css"},
)
self.assertEqual(out2, split[2][:3] + (split[2][3].tag, split[2][3].attrib))
def test_js_split(self):
split = self.js_node.split_contents()
out0 = (
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, "js", "one.js"),
"js/one.js",
"{http://www.w3.org/1999/xhtml}script",
{"src": "/static/js/one.js", "type": "text/javascript"},
None,
)
self.assertEqual(
out0, split[0][:3] + (split[0][3].tag, split[0][3].attrib, split[0][3].text)
)
out1 = (
SOURCE_HUNK,
'obj.value = "value";',
None,
"{http://www.w3.org/1999/xhtml}script",
{"type": "text/javascript"},
'obj.value = "value";',
)
self.assertEqual(
out1, split[1][:3] + (split[1][3].tag, split[1][3].attrib, split[1][3].text)
)
@override_settings(COMPRESS_ENABLED=False)
def test_css_return_if_off(self):
# Yes, they are semantically equal but attributes might be
# scrambled in unpredictable order. A more elaborate check
# would require parsing both arguments with a different parser
# and then evaluating the result, which no longer is
# a meaningful unit test.
self.assertEqual(len(self.css), len(self.css_node.output()))
@override_settings(COMPRESS_PRECOMPILERS=(), COMPRESS_ENABLED=False)
def test_js_return_if_off(self):
# As above.
self.assertEqual(len(self.js), len(self.js_node.output()))
class BeautifulSoupParserTests(ParserTestCase, CompressorTestCase):
parser_cls = "compressor.parser.BeautifulSoupParser"
# just like in the Html5LibParserTests, provide special tests because
# in bs4 attributes are held in dictionaries
def test_css_split(self):
split = self.css_node.split_contents()
out0 = (
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, "css", "one.css"),
"css/one.css",
None,
None,
)
self.assertEqual(out0, split[0][:3] + (split[0][3].tag, split[0][3].attrib))
out1 = (
SOURCE_HUNK,
"p { border:5px solid green;}",
None,
'<style type="text/css">p { border:5px solid green;}</style>',
)
self.assertEqual(
out1, split[1][:3] + (self.css_node.parser.elem_str(split[1][3]),)
)
out2 = (
SOURCE_FILE,
os.path.join(settings.COMPRESS_ROOT, "css", "two.css"),
"css/two.css",
None,
None,
)
self.assertEqual(out2, split[2][:3] + (split[2][3].tag, split[2][3].attrib))
@override_settings(COMPRESS_ENABLED=False)
def test_css_return_if_off(self):
self.assertEqual(len(self.css), len(self.css_node.output()))
class HtmlParserTests(ParserTestCase, CompressorTestCase):
parser_cls = "compressor.parser.HtmlParser"
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