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from unittest import skipIf
from django import forms
from django.db import connection, models
from django.test import TestCase
from .models import Post
class TextFieldTests(TestCase):
def test_max_length_passed_to_formfield(self):
"""
TextField passes its max_length attribute to form fields created using
their formfield() method.
"""
tf1 = models.TextField()
tf2 = models.TextField(max_length=2345)
self.assertIsNone(tf1.formfield().max_length)
self.assertEqual(2345, tf2.formfield().max_length)
def test_choices_generates_select_widget(self):
"""A TextField with choices uses a Select widget."""
f = models.TextField(choices=[('A', 'A'), ('B', 'B')])
self.assertIsInstance(f.formfield().widget, forms.Select)
def test_to_python(self):
"""TextField.to_python() should return a string."""
f = models.TextField()
self.assertEqual(f.to_python(1), '1')
def test_lookup_integer_in_textfield(self):
self.assertEqual(Post.objects.filter(body=24).count(), 0)
@skipIf(connection.vendor == 'mysql', 'Running on MySQL requires utf8mb4 encoding (#18392)')
def test_emoji(self):
p = Post.objects.create(title='Whatever', body='Smile 😀.')
p.refresh_from_db()
self.assertEqual(p.body, 'Smile 😀.')
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