1. from django.core.exceptions import ValidationError

  2. from django.forms import IntegerField, Textarea

  3. from django.test import SimpleTestCase

  4. 

  5. from . import FormFieldAssertionsMixin

  6. 

  7. 

  8. class IntegerFieldTest(FormFieldAssertionsMixin, SimpleTestCase):

  9.     def test_integerfield_1(self):

  10.         f = IntegerField()

  11.         self.assertWidgetRendersTo(

  12.             f, '<input type="number" name="f" id="id_f" required>'

  13.         )

  14.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  15.             f.clean("")

  16.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  17.             f.clean(None)

  18.         self.assertEqual(1, f.clean("1"))

  19.         self.assertIsInstance(f.clean("1"), int)

  20.         self.assertEqual(23, f.clean("23"))

  21.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  22.             f.clean("a")

  23.         self.assertEqual(42, f.clean(42))

  24.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  25.             f.clean(3.14)

  26.         self.assertEqual(1, f.clean("1 "))

  27.         self.assertEqual(1, f.clean(" 1"))

  28.         self.assertEqual(1, f.clean(" 1 "))

  29.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  30.             f.clean("1a")

  31.         self.assertIsNone(f.max_value)

  32.         self.assertIsNone(f.min_value)

  33. 

  34.     def test_integerfield_2(self):

  35.         f = IntegerField(required=False)

  36.         self.assertIsNone(f.clean(""))

  37.         self.assertEqual("None", repr(f.clean("")))

  38.         self.assertIsNone(f.clean(None))

  39.         self.assertEqual("None", repr(f.clean(None)))

  40.         self.assertEqual(1, f.clean("1"))

  41.         self.assertIsInstance(f.clean("1"), int)

  42.         self.assertEqual(23, f.clean("23"))

  43.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  44.             f.clean("a")

  45.         self.assertEqual(1, f.clean("1 "))

  46.         self.assertEqual(1, f.clean(" 1"))

  47.         self.assertEqual(1, f.clean(" 1 "))

  48.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  49.             f.clean("1a")

  50.         self.assertIsNone(f.max_value)

  51.         self.assertIsNone(f.min_value)

  52. 

  53.     def test_integerfield_3(self):

  54.         f = IntegerField(max_value=10)

  55.         self.assertWidgetRendersTo(

  56.             f, '<input max="10" type="number" name="f" id="id_f" required>'

  57.         )

  58.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  59.             f.clean(None)

  60.         self.assertEqual(1, f.clean(1))

  61.         self.assertEqual(10, f.clean(10))

  62.         with self.assertRaisesMessage(

  63.             ValidationError, "'Ensure this value is less than or equal to 10.'"

  64.         ):

  65.             f.clean(11)

  66.         self.assertEqual(10, f.clean("10"))

  67.         with self.assertRaisesMessage(

  68.             ValidationError, "'Ensure this value is less than or equal to 10.'"

  69.         ):

  70.             f.clean("11")

  71.         self.assertEqual(f.max_value, 10)

  72.         self.assertIsNone(f.min_value)

  73. 

  74.     def test_integerfield_4(self):

  75.         f = IntegerField(min_value=10)

  76.         self.assertWidgetRendersTo(

  77.             f, '<input id="id_f" type="number" name="f" min="10" required>'

  78.         )

  79.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  80.             f.clean(None)

  81.         with self.assertRaisesMessage(

  82.             ValidationError, "'Ensure this value is greater than or equal to 10.'"

  83.         ):

  84.             f.clean(1)

  85.         self.assertEqual(10, f.clean(10))

  86.         self.assertEqual(11, f.clean(11))

  87.         self.assertEqual(10, f.clean("10"))

  88.         self.assertEqual(11, f.clean("11"))

  89.         self.assertIsNone(f.max_value)

  90.         self.assertEqual(f.min_value, 10)

  91. 

  92.     def test_integerfield_5(self):

  93.         f = IntegerField(min_value=10, max_value=20)

  94.         self.assertWidgetRendersTo(

  95.             f, '<input id="id_f" max="20" type="number" name="f" min="10" required>'

  96.         )

  97.         with self.assertRaisesMessage(ValidationError, "'This field is required.'"):

  98.             f.clean(None)

  99.         with self.assertRaisesMessage(

  100.             ValidationError, "'Ensure this value is greater than or equal to 10.'"

  101.         ):

  102.             f.clean(1)

  103.         self.assertEqual(10, f.clean(10))

  104.         self.assertEqual(11, f.clean(11))

  105.         self.assertEqual(10, f.clean("10"))

  106.         self.assertEqual(11, f.clean("11"))

  107.         self.assertEqual(20, f.clean(20))

  108.         with self.assertRaisesMessage(

  109.             ValidationError, "'Ensure this value is less than or equal to 20.'"

  110.         ):

  111.             f.clean(21)

  112.         self.assertEqual(f.max_value, 20)

  113.         self.assertEqual(f.min_value, 10)

  114. 

  115.     def test_integerfield_6(self):

  116.         f = IntegerField(step_size=3)

  117.         self.assertWidgetRendersTo(

  118.             f,

  119.             '<input name="f" step="3" type="number" id="id_f" required>',

  120.         )

  121.         with self.assertRaisesMessage(

  122.             ValidationError, "'Ensure this value is a multiple of step size 3.'"

  123.         ):

  124.             f.clean("10")

  125.         self.assertEqual(12, f.clean(12))

  126.         self.assertEqual(12, f.clean("12"))

  127.         self.assertEqual(f.step_size, 3)

  128. 

  129.     def test_integerfield_localized(self):

  130.         """

  131.         A localized IntegerField's widget renders to a text input without any

  132.         number input specific attributes.

  133.         """

  134.         f1 = IntegerField(localize=True)

  135.         self.assertWidgetRendersTo(

  136.             f1, '<input id="id_f" name="f" type="text" required>'

  137.         )

  138. 

  139.     def test_integerfield_float(self):

  140.         f = IntegerField()

  141.         self.assertEqual(1, f.clean(1.0))

  142.         self.assertEqual(1, f.clean("1.0"))

  143.         self.assertEqual(1, f.clean(" 1.0 "))

  144.         self.assertEqual(1, f.clean("1."))

  145.         self.assertEqual(1, f.clean(" 1. "))

  146.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  147.             f.clean("1.5")

  148.         with self.assertRaisesMessage(ValidationError, "'Enter a whole number.'"):

  149.             f.clean("…")

  150. 

  151.     def test_integerfield_big_num(self):

  152.         f = IntegerField()

  153.         self.assertEqual(9223372036854775808, f.clean(9223372036854775808))

  154.         self.assertEqual(9223372036854775808, f.clean("9223372036854775808"))

  155.         self.assertEqual(9223372036854775808, f.clean("9223372036854775808.0"))

  156. 

  157.     def test_integerfield_unicode_number(self):

  158.         f = IntegerField()

  159.         self.assertEqual(50, f.clean("５０"))

  160. 

  161.     def test_integerfield_subclass(self):

  162.         """

  163.         Class-defined widget is not overwritten by __init__() (#22245).

  164.         """

  165. 

  166.         class MyIntegerField(IntegerField):

  167.             widget = Textarea

  168. 

  169.         f = MyIntegerField()

  170.         self.assertEqual(f.widget.__class__, Textarea)

  171.         f = MyIntegerField(localize=True)

  172.         self.assertEqual(f.widget.__class__, Textarea)
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