2010-01-10 05:28:54 +08:00
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import unittest
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from django.db import models
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from django.contrib import admin
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2010-01-10 11:36:59 +08:00
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from django.contrib.admin.util import display_for_field, label_for_field
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2010-01-10 05:28:54 +08:00
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from django.contrib.admin.views.main import EMPTY_CHANGELIST_VALUE
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2010-01-10 11:36:59 +08:00
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from models import Article
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2010-01-10 05:28:54 +08:00
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class UtilTests(unittest.TestCase):
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2010-01-10 11:36:59 +08:00
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2010-01-10 05:28:54 +08:00
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def test_null_display_for_field(self):
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"""
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Regression test for #12550: display_for_field should handle None
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value.
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"""
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display_value = display_for_field(None, models.CharField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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display_value = display_for_field(None, models.CharField(
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choices=(
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(None, "test_none"),
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)
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))
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self.assertEqual(display_value, "test_none")
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display_value = display_for_field(None, models.DateField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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display_value = display_for_field(None, models.TimeField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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display_value = display_for_field(None, models.NullBooleanField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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display_value = display_for_field(None, models.DecimalField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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display_value = display_for_field(None, models.FloatField())
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self.assertEqual(display_value, EMPTY_CHANGELIST_VALUE)
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2010-01-10 11:36:59 +08:00
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def test_label_for_field(self):
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"""
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Tests for label_for_field
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"""
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self.assertEquals(
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label_for_field("title", Article),
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"title"
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)
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self.assertEquals(
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label_for_field("title2", Article),
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"another name"
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)
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self.assertEquals(
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label_for_field("title2", Article, return_attr=True),
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("another name", None)
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)
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self.assertEquals(
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label_for_field("__unicode__", Article),
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"article"
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)
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self.assertEquals(
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label_for_field("__str__", Article),
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"article"
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)
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self.assertRaises(
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AttributeError,
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lambda: label_for_field("unknown", Article)
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)
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def test_callable(obj):
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return "nothing"
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self.assertEquals(
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label_for_field(test_callable, Article),
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"test_callable"
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)
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self.assertEquals(
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label_for_field(test_callable, Article, return_attr=True),
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("test_callable", test_callable)
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)
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self.assertEquals(
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label_for_field("test_from_model", Article),
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"test_from_model"
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)
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self.assertEquals(
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label_for_field("test_from_model", Article, return_attr=True),
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("test_from_model", Article.test_from_model)
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)
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self.assertEquals(
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label_for_field("test_from_model_with_override", Article),
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"not what you expect"
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)
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self.assertEquals(
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label_for_field(lambda x: "nothing", Article),
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"--"
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)
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class MockModelAdmin(object):
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def test_from_model(self, obj):
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return "nothing"
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test_from_model.short_description = "not really the model"
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self.assertEquals(
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label_for_field("test_from_model", Article, model_admin=MockModelAdmin),
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"not really the model"
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)
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self.assertEquals(
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label_for_field("test_from_model", Article,
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model_admin = MockModelAdmin,
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return_attr = True
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),
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("not really the model", MockModelAdmin.test_from_model)
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)
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