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"""Tests for the Compass images functions.
Not all of Compass is implemented, and the arrangement of Compass functions
doesn't exactly match the arrangement in the original documentation.
Regardless, this is a good starting place:
http://compass-style.org/reference/compass/helpers/
Some functions appear to be undocumented, but nonetheless are part of Compass's
Ruby code.
"""
from __future__ import absolute_import
from __future__ import unicode_literals
import os
import sys
import pytest
from scss import config
from scss.expression import Calculator
from scss.extension.compass.images import images_namespace
# TODO many of these tests could also stand to test for failure cases
@pytest.fixture
def calc():
return Calculator(images_namespace).evaluate_expression
def test_image_url(calc):
# nb: config.IMAGES_URL is None and defaults to this
images_url = config.STATIC_URL
assert calc('image-url("/some_path.jpg")').render() == 'url({0}some_path.jpg)'.format(images_url)
# inline-image
def test_inline_image(calc, monkeypatch):
monkeypatch.setattr(config, 'IMAGES_ROOT', os.path.join(config.PROJECT_ROOT, 'tests/files/images'))
with open(os.path.join(config.PROJECT_ROOT, 'tests/files/images/test-qr.base64.txt'), 'r') as f:
font_base64 = f.read()
assert 'url(data:image/png;base64,%s)' % font_base64 == calc('inline_image("/test-qr.png")').render()
@pytest.mark.skipif(sys.platform == 'win32', reason='cur mimetype is defined on windows')
def test_inline_cursor(calc, monkeypatch):
monkeypatch.setattr(config, 'IMAGES_ROOT', os.path.join(config.PROJECT_ROOT, 'tests/files/cursors'))
with open(os.path.join(config.PROJECT_ROOT, 'tests/files/cursors/fake.base64.txt'), 'r') as f:
font_base64 = f.read()
assert 'url(data:image/cur;base64,%s)' % font_base64 == calc('inline_image("/fake.cur")').render()
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