def test_showOptionalMarker(self):
"""Verify a field marked .for_display has no (Optional) marker."""
# IInputWidgets have an (Optional) marker if they are not required.
form = LaunchpadFormView(None, None)
@implementer(IInputWidget)
class FakeInputWidget:
def __init__(self, required):
self.required = required
form.widgets = {'widget': FakeInputWidget(required=False)}
self.assertTrue(form.showOptionalMarker('widget'))
# Required IInputWidgets have no (Optional) marker.
form.widgets = {'widget': FakeInputWidget(required=True)}
self.assertFalse(form.showOptionalMarker('widget'))
# IDisplayWidgets have no (Optional) marker, regardless of whether
# they are required or not, since they are read only.
@implementer(IDisplayWidget)
class FakeDisplayWidget:
def __init__(self, required):
self.required = required
form.widgets = {'widget': FakeDisplayWidget(required=False)}
self.assertFalse(form.showOptionalMarker('widget'))
form.widgets = {'widget': FakeDisplayWidget(required=True)}
self.assertFalse(form.showOptionalMarker('widget'))
def test_JsonModelNamespace_traverse_LPFormView(self):
# Test traversal for JSON model namespace,
# ++model++ for a non-LaunchpadView context.
request = get_current_browser_request()
context = object()
view = LaunchpadFormView(context, request)
namespace = JsonModelNamespaceView(view, request)
result = namespace.traverse(view, None)
self.assertEqual(result, namespace)
def test_formLayout(self):
# Verify that exactly one of isSingleLineLayout(), isMultiLineLayout()
# and isCheckBoxLayout() return True for particular widget.
#
# If more than one returns True, then that widget may get included
# in the form twice.
form = LaunchpadFormView(None, None)
class FakeWidget:
pass
widget = FakeWidget()
form.widgets = {'widget': widget}
# test every combination of the three interfaces:
for use_single_line in [False, True]:
for use_multi_line in [False, True]:
for use_checkbox in [False, True]:
provides = []
if use_single_line:
provides.append(ISingleLineWidgetLayout)
if use_multi_line:
provides.append(IMultiLineWidgetLayout)
if use_checkbox:
provides.append(ICheckBoxWidgetLayout)
directlyProvides(widget, *provides)
# Now count how many of the is* functions return True:
count = 0
if form.isSingleLineLayout('widget'):
count += 1
if form.isMultiLineLayout('widget'):
count += 1
if form.isCheckBoxLayout('widget'):
count += 1
self.assertEqual(
count, 1, 'Expected count of 1 for %r. Got %d' %
(provides, count))
