def test_generate_scaling_css_invalid_property_name_is_not_scaling(self):
css_class = 'white-space-nowrap-s'
name = 'white-space'
value = 'nowrap'
priority = ''
css_property = Property(name=name, value=value, priority=priority)
expected = ''
scaling_parser = ScalingParser(css_class=css_class, css_property=css_property)
css = scaling_parser.build_media_query()
self.assertEqual(css, expected, msg=css)
def test_generate_scaling_css_em_important(self):
css_class = 'font-size-24-s-i'
name = 'font-size'
value = '1.5em'
priority = 'important'
css_property = Property(name=name, value=value, priority=priority)
expected = (
'.font-size-24-s-i { font-size: ' + value + ' !important; }\n\n' +
'@media only screen and (max-width: 45.0em) {\n' +
'\t.font-size-24-s-i { font-size: 1.3333em !important; }\n' +
'}\n\n' +
'@media only screen and (max-width: 30.0em) {\n' +
'\t.font-size-24-s-i { font-size: 1.2em !important; }\n' +
'}\n\n'
)
scaling_parser = ScalingParser(css_class=css_class, css_property=css_property)
css = scaling_parser.build_media_query()
self.assertEqual(css, expected, msg=css)
def test_generate_scaling_css_pixels(self):
css_class = 'font-size-24-s'
name = 'font-size'
value = '24px'
priority = ''
css_property = Property(name=name, value=value, priority=priority)
expected = (
'.font-size-24-s { font-size: ' + value + '; }\n\n' +
'@media only screen and (max-width: 45.0em) {\n' +
'\t.font-size-24-s { font-size: 21.3333px; }\n' +
'}\n\n' +
'@media only screen and (max-width: 30.0em) {\n' +
'\t.font-size-24-s { font-size: 19.2px; }\n' +
'}\n\n'
)
scaling_parser = ScalingParser(css_class=css_class, css_property=css_property)
css = scaling_parser.build_media_query()
self.assertEqual(css, expected)
def test_strip_scaling_flag(self):
valid_css_classes = [
'font-size-34-s', 'font-size-24-s-i', 'padding-12-s', 'margin-31-s-i',
'font-size-10', 'font-size-13-i',
]
names = ['font-size', 'font-size', 'padding', 'margin', 'font-size', 'font-size', ]
values = ['34px', '24px', '12px', '31px', '15px', '52px', '10px', '13px', ]
priorities = ['', 'important', '', 'important', '', '', '', '', ]
expected = [
'font-size-34', 'font-size-24-i', 'padding-12', 'margin-31-i',
'font-size-10', 'font-size-13-i',
]
for i, css_class in enumerate(valid_css_classes):
css_property = Property(name=names[i], value=values[i], priority=priorities[i])
scaling_parser = ScalingParser(css_class=css_class, css_property=css_property)
clean_css_class = scaling_parser.strip_scaling_flag()
self.assertEqual(clean_css_class, expected[i])
def test_generate_scaling_css_invalid_units(self):
# TODO: Decide whether to create unit validator or to continue relying on cssutils for validation.
css_class = 'font-size-24parsecs-s-i'
name = 'font-size'
value = '24parsecs'
priority = 'important'
css_property = Property(name=name, value=value, priority=priority)
expected = (
'.font-size-24parsecs-s-i { font-size: ' + value + ' !important; }\n\n' +
'@media only screen and (max-width: 45.0em) {\n' +
'\t.font-size-24parsecs-s-i { font-size: 21.3333parsecs !important; }\n' +
'}\n\n' +
'@media only screen and (max-width: 30.0em) {\n' +
'\t.font-size-24parsecs-s-i { font-size: 19.2parsecs !important; }\n' +
'}\n\n'
)
scaling_parser = ScalingParser(css_class=css_class, css_property=css_property)
css = scaling_parser.build_media_query()
self.assertEqual(css, expected, msg=css)
def __init__(self, property_parser=ClassPropertyParser()):
print(u'\nMediaQueryBuilder Running...\n')
self.property_parser = property_parser
self.css_media_queries = set()
self.media_query_text = ''
not_media_classes = dict()
for css_class in self.property_parser.class_set:
name = self.property_parser.get_property_name(css_class=css_class)
priority = self.property_parser.get_property_priority(css_class=css_class)
clean_css_class = '' # Prevents css_class from being modified.
if name:
# value='inherit' since we do not know if the class is valid yet.
inherit_property = Property(name=name, value='inherit', priority=priority)
scaling_parser = ScalingParser(css_class=css_class, css_property=inherit_property)
is_scaling = scaling_parser.is_scaling
if is_scaling:
clean_css_class = scaling_parser.strip_scaling_flag()
breakpoint_parser = BreakpointParser(css_class=css_class, css_property=inherit_property)
is_breakpoint = breakpoint_parser.is_breakpoint
if is_breakpoint:
clean_css_class = breakpoint_parser.strip_breakpoint_limit()
if is_breakpoint and is_scaling: # Mixed syntax
not_media_classes[css_class] = ' (Breakpoint and scaling media query syntax cannot be combined.)'
continue
if not is_breakpoint and not is_scaling: # Missing syntax
not_media_classes[css_class] = ' is not a media query css_class selector.'
continue
else:
not_media_classes[css_class] = ' is not a media query css_class selector.'
continue
if clean_css_class and property_parser.is_important(css_class=clean_css_class):
clean_css_class = property_parser.strip_priority_designator(css_class=clean_css_class)
# Set property value.
# Handles case where css_class equals 'small-down', 'large-only', 'medium-up', etc.
# Specifically handle the 'display' case.
if clean_css_class and clean_css_class != 'display':
# Can return an empty string '' if css_class does not match any patterns in the property_alias_dict.
try:
encoded_property_value = self.property_parser.get_encoded_property_value(
property_name=name,
css_class=clean_css_class
)
value = self.property_parser.get_property_value(
property_name=name,
encoded_property_value=encoded_property_value
)
except ValueError: # Impossible to get here if get_property_name() is working properly.
not_media_classes[css_class] = ' property_name not found in property_alias_dict.'
continue
else:
value = 'none' # Breakpoint Parser Case -> display: none;
# Build CSS Property AND Add to css_media_queries OR Remove invalid css_class from class_set.
try:
css_property = Property(name=name, value=value, priority=priority)
if css_property.valid:
if is_breakpoint and breakpoint_parser:
breakpoint_parser.css_property = css_property
media_query = breakpoint_parser.build_media_query()
self.css_media_queries.add(media_query)
if is_scaling:
scaling_parser.css_property = css_property
media_query = scaling_parser.build_media_query()
self.css_media_queries.add(media_query)
else:
not_media_classes[css_class] = ' (cssutils invalid property value: ' + value + ')'
continue
# This exception can't be tested as clean_class_set() and get_property_value() prevent it.(Triple Redundant)
except SyntaxErr: # Special Case - Not Tested
not_media_classes[css_class] = ' (cssutils SyntaxErr invalid property value: ' + value + ')'
continue
# Clean out invalid CSS Classes.
for invalid_css_class, reason in not_media_classes.items():
self.property_parser.class_set.remove(invalid_css_class)
self.property_parser.removed_class_set.add(invalid_css_class + reason)
