def test_clean_led_count_and_height_and_width_each_at_minimum(self):
form_data = {
'led_count': 1,
'height': 1,
'width': 1,
'position': 'BL',
'direction': 'V',
}
form = GridForm(data = form_data)
self.assertTrue(form.is_valid())
def test_clean_rotation_defined_when_direction_is_spiral(self):
form_data = {
'led_count': 1,
'height': 1,
'width': 1,
'position': 'BL',
'direction': 'S',
'rotation': 'C',
}
form = GridForm(data = form_data)
self.assertTrue(form.is_valid())
def grid_settings(request):
"""View function for grid settings form"""
# Ensure that shape has been set to grid
try:
# try and retrieve shape
shape = Shape.objects.get(pk = 1)
# test if the shape is not set to grid
if shape.shape != 'G':
# Redirect if the shape is not set to grid
shape_url_names = {
'C': "circle-settings",
'L': "line-settings",
'S': "square-settings",
}
return HttpResponseRedirect(reverse(shape_url_names[shape.shape]))
except Shape.DoesNotExist:
# The selected shape hasn't been set
return HttpResponseRedirect(reverse('shape'))
# if this is a POST request then process the Form data
if request.method == "POST":
# Check if settings already were created. Will have PK of 1
try:
s = Grid.objects.get(pk = 1)
form = GridForm(request.POST, instance = s)
except Grid.DoesNotExist:
# First time creating settings. Load blank form.
form = GridForm(request.POST)
# Check if the form is valid:
if form.is_valid():
form.save()
led_strip.reload_map(shape.shape)
return HttpResponseRedirect(reverse('home'))
else:
try:
s = Grid.objects.get(pk = 1)
form = GridForm(instance = s)
except ObjectDoesNotExist:
form = GridForm()
context = {
'form': form,
}
return render(request, 'LEDApp/grid_settings.html', context)
def test_clean_rotation_not_defined_when_direction_is_spiral(self):
form_data = {
'led_count': 1,
'height': 1,
'width': 1,
'position': 'BL',
'direction': 'S',
}
form = GridForm(data = form_data)
self.assertFalse(form.is_valid())
self.assertEqual(
form.errors['rotation'][0],
"Missing information - If the grid is wired in a spiral pattern, the direction in which the spiral rotates must be specified"
)
def test_clean_width_too_low(self):
form_data = {
'led_count': 1,
'height': 1,
'width': 0,
'position': 'BL',
'direction': 'H',
}
form = GridForm(data = form_data)
self.assertFalse(form.is_valid())
self.assertEqual(
form.errors['width'][0],
'Invalid grid width - Must be greater then 0'
)
self.assertEqual(
form.errors['__all__'][0],
'Invalid height/width - The height * width must equal the number of LEDs'
)