mirror of https://github.com/django/django.git
78 lines
3.1 KiB
Python
78 lines
3.1 KiB
Python
from django.test import TestCase
|
|
from django.db import models
|
|
from django.db.models.loading import BaseAppCache
|
|
from django.db.migrations.state import ProjectState, ModelState
|
|
|
|
|
|
class StateTests(TestCase):
|
|
"""
|
|
Tests state construction, rendering and modification by operations.
|
|
"""
|
|
|
|
def test_create(self):
|
|
"""
|
|
Tests making a ProjectState from an AppCache
|
|
"""
|
|
|
|
new_app_cache = BaseAppCache()
|
|
|
|
class Author(models.Model):
|
|
name = models.CharField(max_length=255)
|
|
bio = models.TextField()
|
|
age = models.IntegerField(blank=True, null=True)
|
|
class Meta:
|
|
app_label = "migrations"
|
|
app_cache = new_app_cache
|
|
unique_together = ["name", "bio"]
|
|
|
|
class Book(models.Model):
|
|
title = models.CharField(max_length=1000)
|
|
author = models.ForeignKey(Author)
|
|
class Meta:
|
|
app_label = "migrations"
|
|
app_cache = new_app_cache
|
|
verbose_name = "tome"
|
|
db_table = "test_tome"
|
|
|
|
project_state = ProjectState.from_app_cache(new_app_cache)
|
|
author_state = project_state.models['migrations', 'author']
|
|
book_state = project_state.models['migrations', 'book']
|
|
|
|
self.assertEqual(author_state.app_label, "migrations")
|
|
self.assertEqual(author_state.name, "Author")
|
|
self.assertEqual([x for x, y in author_state.fields], ["id", "name", "bio", "age"])
|
|
self.assertEqual(author_state.fields[1][1].max_length, 255)
|
|
self.assertEqual(author_state.fields[2][1].null, False)
|
|
self.assertEqual(author_state.fields[3][1].null, True)
|
|
self.assertEqual(author_state.options, {"unique_together": set(("name", "bio"))})
|
|
self.assertEqual(author_state.bases, (models.Model, ))
|
|
|
|
self.assertEqual(book_state.app_label, "migrations")
|
|
self.assertEqual(book_state.name, "Book")
|
|
self.assertEqual([x for x, y in book_state.fields], ["id", "title", "author"])
|
|
self.assertEqual(book_state.fields[1][1].max_length, 1000)
|
|
self.assertEqual(book_state.fields[2][1].null, False)
|
|
self.assertEqual(book_state.options, {"verbose_name": "tome", "db_table": "test_tome"})
|
|
self.assertEqual(book_state.bases, (models.Model, ))
|
|
|
|
def test_render(self):
|
|
"""
|
|
Tests rendering a ProjectState into an AppCache.
|
|
"""
|
|
project_state = ProjectState()
|
|
project_state.add_model_state(ModelState(
|
|
"migrations",
|
|
"Tag",
|
|
[
|
|
("id", models.AutoField(primary_key=True)),
|
|
("name", models.CharField(max_length=100)),
|
|
("hidden", models.BooleanField()),
|
|
],
|
|
{},
|
|
None,
|
|
))
|
|
|
|
new_app_cache = project_state.render()
|
|
self.assertEqual(new_app_cache.get_model("migrations", "Tag")._meta.get_field_by_name("name")[0].max_length, 100)
|
|
self.assertEqual(new_app_cache.get_model("migrations", "Tag")._meta.get_field_by_name("hidden")[0].null, False)
|