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from unittest import skipIf
from django.conf import settings
from django.test import TestCase
from .utils import render, setup
try:
import numpy
except ImportError:
numpy = False
@skipIf(numpy is False, "Numpy must be installed to run these tests.")
class NumpyTests(TestCase):
@setup({'numpy-array-index01': '{{ var.1 }}'})
def test_numpy_array_index01(self):
"""
Numpy's array-index syntax allows a template to access a certain
item of a subscriptable object.
"""
output = render(
'numpy-array-index01',
{'var': numpy.array(["first item", "second item"])},
)
self.assertEqual(output, 'second item')
@setup({'numpy-array-index02': '{{ var.5 }}'})
def test_numpy_array_index02(self):
"""
Fail silently when the array index is out of range.
"""
output = render(
'numpy-array-index02',
{'var': numpy.array(["first item", "second item"])},
)
if settings.TEMPLATE_STRING_IF_INVALID:
self.assertEqual(output, 'INVALID')
else:
self.assertEqual(output, '')
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