django/tests/template_tests/syntax_tests/test_numpy.py

40 lines
1.1 KiB
Python

from unittest import skipIf
from django.test import SimpleTestCase
from ..utils import setup
try:
import numpy
except ImportError:
numpy = False
@skipIf(numpy is False, "Numpy must be installed to run these tests.")
class NumpyTests(SimpleTestCase):
@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 = self.engine.render_to_string(
"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 = self.engine.render_to_string(
"numpy-array-index02",
{"var": numpy.array(["first item", "second item"])},
)
if self.engine.string_if_invalid:
self.assertEqual(output, "INVALID")
else:
self.assertEqual(output, "")