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from unittest.mock import MagicMock, Mock
from django.core.paginator import EmptyPage, PageNotAnInteger
from django.test import SimpleTestCase, TestCase
from django_tables2 import Column, RequestConfig, Table
from .app.models import Person
from .utils import build_request
NOTSET = object() # unique value
def MockTable(**kwargs):
return MagicMock(
prefixed_page_field="page",
prefixed_per_page_field="per_page",
prefixed_order_by_field="sort",
**kwargs,
)
class ConfigTest(SimpleTestCase):
def test_no_querystring(self):
table = MockTable(order_by=NOTSET)
RequestConfig(build_request("/")).configure(table)
table.paginate.assert_called()
self.assertEqual(table.order_by, NOTSET)
def test_full_querystring(self):
request = build_request("/?page=1&per_page=5&sort=abc")
table = MockTable()
RequestConfig(request).configure(table)
table.paginate.assert_called_with(page=1, per_page=5)
self.assertEqual(table.order_by, ["abc"])
def test_partial_querystring(self):
table = MockTable()
request = build_request("/?page=1&sort=abc")
RequestConfig(request, paginate={"per_page": 5}).configure(table)
table.paginate.assert_called_with(page=1, per_page=5)
self.assertEqual(table.order_by, ["abc"])
def test_silent_page_not_an_integer_error(self):
request = build_request("/")
table = MockTable(paginate=Mock(side_effect=PageNotAnInteger), paginator=MagicMock())
RequestConfig(request, paginate={"page": "abc", "silent": True}).configure(table)
table.paginate.assert_called_with(page="abc")
table.paginator.page.assert_called_with(1)
def test_silent_empty_page_error(self):
request = build_request("/")
table = MockTable(paginate=Mock(side_effect=EmptyPage), paginator=MagicMock(num_pages=987))
RequestConfig(request, paginate={"page": 123, "silent": True}).configure(table)
table.paginator.page.assert_called_with(987)
def test_passing_request_to_constructor(self):
"""Table constructor should call RequestConfig if a request is passed."""
request = build_request("/?page=1&sort=abc")
class SimpleTable(Table):
abc = Column()
table = SimpleTable([{}], request=request)
self.assertTrue(table.columns["abc"].is_ordered)
def test_request_is_added_to_the_table(self):
table = MockTable()
request = build_request("/")
RequestConfig(request, paginate=False).configure(table)
self.assertEqual(table.request, request)
class NoPaginationQueriesTest(TestCase):
def test_should_not_count_with_paginate_False(self):
"""
No extra queries with pagination turned off.
https://github.com/jieter/django-tables2/issues/551
"""
class MyTable(Table):
first_name = Column()
class Meta:
template_name = "minimal.html"
request = build_request()
Person.objects.create(first_name="Talip", last_name="Molenschot")
table = MyTable(Person.objects.all())
RequestConfig(request, paginate=False).configure(table)
with self.assertNumQueries(1):
html = table.as_html(request)
self.assertIn("<table>", html)
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