def test_dropdown_menus_with_divider(web_fixture):
"""You can add a divider to a DropdownMenu."""
sub_menu = DropdownMenu(web_fixture.view)
sub_menu.add_a(A(web_fixture.view, Url('/an/url'), description='sub menu item'))
sub_menu.add_divider()
sub_menu.add_a(A(web_fixture.view, Url('/another/url'), description='another sub menu item'))
[item1, divider, item2] = sub_menu.html_representation.children
assert 'dropdown-divider' in divider.get_attribute('class').split()
def __init__(self, view):
super().__init__(view, 'simple_form')
self.use_layout(FormLayout())
if self.exception:
self.layout.add_alert_for_domain_exception(self.exception)
domain_object = self.get_or_create_domain_object()
link = self.add_child(
A(view, Url('/'), description='Open another tab...'))
link.set_attribute('target', '_blank')
self.add_child(
P(view,
text=
'...and increment the value there. Come back here and submit the value. A Concurrency error will be shown'
))
#Your own widget that tracks changes
self.add_child(MyConcurrencyWidget(view, domain_object))
self.layout.add_input(
TextInput(self, domain_object.fields.some_field_value))
self.define_event_handler(domain_object.events.submit)
self.add_child(Button(self, domain_object.events.submit))
self.define_event_handler(domain_object.events.increment)
self.add_child(Button(self, domain_object.events.increment))
def test_dropdown_menus(web_fixture):
"""You can add a DropdownMenu as a dropdown inside a Nav."""
menu = Nav(web_fixture.view)
sub_menu = DropdownMenu(web_fixture.view)
sub_menu.add_a(A(web_fixture.view, Url('/an/url'), description='sub menu item'))
menu.add_dropdown('Dropdown title', sub_menu)
[item] = menu.html_representation.children
assert item.tag_name == 'li'
assert 'dropdown' in item.get_attribute('class')
[toggle, added_sub_menu] = item.children
assert 'dropdown-toggle' in toggle.get_attribute('class')
assert 'button' in toggle.get_attribute('role')
assert 'true' in toggle.get_attribute('aria-haspopup')
assert 'dropdown' in toggle.get_attribute('data-toggle')
title_text = toggle.children[0].value
assert title_text == 'Dropdown title'
assert added_sub_menu is sub_menu
assert 'dropdown-menu' in added_sub_menu.html_representation.get_attribute('class').split()
assert isinstance(added_sub_menu.html_representation, Div)
[dropdown_item] = added_sub_menu.html_representation.children
assert isinstance(dropdown_item, A)
assert 'dropdown-item' in dropdown_item.get_attribute('class').split()
def dropdown_menus(fixture):
"""You can add a DropdownMenu as a dropdown inside a Nav."""
menu = Nav(fixture.view)
sub_menu = DropdownMenu(fixture.view)
sub_menu.add_a(A(fixture.view, Url('/an/url'),
description='sub menu item'))
menu.add_dropdown('Dropdown title', sub_menu)
[item] = menu.html_representation.children
vassert(item.tag_name == 'li')
vassert('dropdown' in item.get_attribute('class'))
[toggle, added_sub_menu] = item.children
vassert('dropdown-toggle' in toggle.get_attribute('class'))
vassert('dropdown' in toggle.get_attribute('data-toggle'))
vassert('-' in toggle.get_attribute('data-target'))
vassert('caret' in toggle.children[1].get_attribute('class'))
title_text = toggle.children[0].value
vassert(title_text == 'Dropdown title')
vassert(added_sub_menu is sub_menu)
vassert('dropdown-menu' in
added_sub_menu.html_representation.get_attribute('class').split())
vassert(isinstance(added_sub_menu.html_representation, Div))
[dropdown_item] = added_sub_menu.html_representation.children
vassert(isinstance(dropdown_item, A))
vassert('dropdown-item' in dropdown_item.get_attribute('class').split())
def set_brand_text(self, brand_text):
"""Sets the brand to be a link to the home page that contains the given text.
:param brand_text: Text to use for branding.
"""
brand_a = A(self.view, Url('/'), description=brand_text)
self.set_brand(brand_a)
def test_button_layouts_on_anchors(web_fixture):
"""A ButtonLayout can also be used to make an A (anchor) look like a button."""
anchor = A(web_fixture.view, href=Url('/an/href'), description='link text').use_layout(ButtonLayout())
tester = WidgetTester(anchor)
[rendered_anchor] = tester.xpath(XPath.link().with_text('link text'))
assert rendered_anchor.attrib['class'] == 'btn btn-secondary'
assert 'aria-disabled' not in rendered_anchor.attrib
assert 'tabindex' not in rendered_anchor.attrib
anchor = A(web_fixture.view, href=Url('/an/href'), description='link text', write_check=lambda: False).use_layout(ButtonLayout())
tester = WidgetTester(anchor)
[rendered_anchor] = tester.xpath(XPath.link().with_text('link text'))
assert rendered_anchor.attrib['class'] == 'btn btn-secondary disabled'
assert rendered_anchor.attrib['aria-disabled'] == 'true'
assert rendered_anchor.attrib['tabindex'] == '-1'
def new_menu_item_a(self):
description = 'The link'
href = Url('/link')
menu_item_a = A(self.web_fixture.view,
self.href,
description=description)
return menu_item_a
def button_layouts_on_anchors(fixture):
"""A ButtonLayout can also be used to make an A (anchor) look like a button."""
anchor = A(fixture.view, href=Url('/an/href'),
description='link text').use_layout(ButtonLayout())
tester = WidgetTester(anchor)
[rendered_anchor] = tester.xpath(XPath.link_with_text('link text'))
vassert(rendered_anchor.attrib['class'] == 'btn')
def disabled(self):
"""The mouse cursor is shown as no-access on disabled items."""
def not_allowed():
return False
self.menu_item_with_state = A(self.view,
Url('/another_url'),
write_check=not_allowed)
self.state_indicator_class = 'disabled'
def __init__(self, view):
super().__init__(view)
error_widget = self.body.insert_child(0, ErrorWidget(view))
error_widget.add_child(H(view, 1, text='Oops, something broke'))
error_widget.add_child(P(view, text=error_widget.error_message))
error_widget.add_child(
A(view,
Url(error_widget.error_source_href),
description='Click here to try again'))
def test_button_layouts_on_disabled_anchors(web_fixture):
"""Disabled A's are marked with a class so Bootstrap can style them appropriately."""
def can_write():
return False
anchor = A(web_fixture.view, href=Url('/an/href'), description='link text', write_check=can_write)
anchor.use_layout(ButtonLayout())
tester = WidgetTester(anchor)
[rendered_anchor] = tester.xpath(XPath.link().with_text('link text'))
assert rendered_anchor.attrib['class'] == 'btn btn-secondary disabled'
def __init__(self, view):
super().__init__(view)
self.add_child(
Alert(view, 'This is an alert in danger color', severity='danger'))
self.add_child(
Alert(view,
'This is an alert in primary color',
severity='primary'))
self.add_child(A(view, Url('#'),
description='Link styled as button')).use_layout(
ButtonLayout(style='primary'))
def test_visual_feedback_on_items(web_fixture, visual_feedback_scenarios):
"""The state of a MenuItem is visually indicated to a user."""
menu = Nav(web_fixture.view)
menu.add_a(A(web_fixture.view, Url('/an_url')))
menu.add_a(visual_feedback_scenarios.menu_item_with_state)
[defaulted_item, item_with_state] = menu.html_representation.children
[defaulted_a] = defaulted_item.children
[a_with_state] = item_with_state.children
assert visual_feedback_scenarios.state_indicator_class not in defaulted_a.get_attribute('class')
assert visual_feedback_scenarios.state_indicator_class in a_with_state.get_attribute('class')
def add_control(self, previous=False):
control_a = self.carousel_panel.add_child(A(self.view, self.url))
control_a.append_class('carousel-control-prev' if previous else 'carousel-control-next')
control_a.set_attribute('role', 'button')
control_a.set_attribute('data-slide', 'prev' if previous else 'next')
span_icon = control_a.add_child(Span(self.view))
span_icon.append_class('carousel-control-%s-icon' % ('prev' if previous else 'next'))
span_icon.set_attribute('aria-hidden', 'true')
span_text = control_a.add_child(Span(self.view, text=_('Previous') if previous else _('Next')))
span_text.append_class('sr-only')
return control_a
def test_rendering_active_menu_items(web_fixture, menu_item_scenarios):
"""A MenuItem is marked as active based on its active_regex or the A it represents."""
description = 'The link'
href = Url('/link')
menu = Nav(web_fixture.view)
menu_item_a = A(web_fixture.view, href, description=description)
menu.add_a(menu_item_a, active_regex=menu_item_scenarios.active_regex)
tester = WidgetTester(menu)
actual = tester.get_html_for('//li')
active_str = '' if not menu_item_scenarios.active else 'active '
expected_menu_item_html = '<li class="nav-item"><a href="/link" class="%snav-link">The link</a></li>' % (active_str)
assert actual == expected_menu_item_html
def active(self):
"""The currently active item is highlighted."""
current_url = Url(self.web_fixture.request.url)
self.menu_item_with_state = A(self.web_fixture.view, current_url)
self.state_indicator_class = 'active'